Winform DataGrid设计

 Winform DataGrid设计

                一、DataGrid如何动态实现多种风格(Style)之间的转换

        DataGrid多用来把数据库中的数据以表格的形式表示出来，初学者的一般做法是用sqlConnection连接数据库后，把数据缓冲到DataSet中，再设定DataGrid的DataSource为此DataSet，这样就轻松的实现了数据的显示。这种方法虽然简单，但是这样有几个缺点：

1．界面不美观。

2．DataGrid最上层的标题与数据库中表格的标题一致。

3．把数据库中的数据没有选择性的全部都显示出来了。

其实DataGrid中TableStyle属性可以解决上面的问题。

        首先用System.Windows.Forms.DataGridTableStyle类来设定DataGrid的TableStyle属性，包括显示的背景色、显示的列标题/列类型等；然后建立数据源(可以从数据库直接读取，本文利用DataTable手动创建一些数据作为数据源)；最后利用MappingName属性把数据源中的数据同TableStyle中的相关列建立关联即可。

下面的源代码已经在vs2003中测试通过，语句的说明已经标注在程序中了。

using System;

using System.Drawing;

using System.Collections;

using System.ComponentModel;

using System.Windows.Forms;

using System.Data;

 

namespace DataGridBackColor

{

     ///<summary>

     /// MultiStyleForm 的摘要描述。

     ///</summary>

     public class MultiStyleForm : System.Windows.Forms.Form

     {

         private System.Windows.Forms.Button button1;

         private System.Windows.Forms.Button button2;

         private System.Windows.Forms.DataGrid dataGrid;

         ///<summary>

         ///设计工具所需的变数。

         ///</summary>

         private System.ComponentModel.Container components = null;

 

         public MultiStyleForm()

         {

              //

              // Windows Form 设计工具支持的必要项

              //

              InitializeComponent();

              //

              // TODO: 在 InitializeComponent 呼叫之后加入任何建构函式程序代码

              //

         }

         ///<summary>

         ///清除任何使用中的资源。

         ///</summary>

         protected override void Dispose( bool disposing )

         {

              if( disposing )

              {

                  if(components != null)

                  {

                       components.Dispose();

                  }

              }

              base.Dispose( disposing );

         }

         #region Windows Form 设计工具产生的程序代码

         ///<summary>

         ///此为设计工具支持所必须的方法 - 请勿使用程序代码编辑器修改

         ///这个方法的内容。

         ///</summary>

         private void InitializeComponent()

         {

              this.button1 = new System.Windows.Forms.Button();

              this.button2 = new System.Windows.Forms.Button();

              this.dataGrid = new System.Windows.Forms.DataGrid();

              ((System.ComponentModel.ISupportInitialize)(this.dataGrid)).BeginInit();

              this.SuspendLayout();

              //

              // button1

              //

              this.button1.FlatStyle = System.Windows.Forms.FlatStyle.System;

              this.button1.Location = new System.Drawing.Point(40, 16);

              this.button1.Name = "button1";

              this.button1.TabIndex = 0;

              this.button1.Text = "Style1";

              this.button1.Click += new System.EventHandler(this.button1_Click);

              //

              // button2

              //

              this.button2.FlatStyle = System.Windows.Forms.FlatStyle.System;

              this.button2.Location = new System.Drawing.Point(160, 16);

              this.button2.Name = "button2";

              this.button2.TabIndex = 1;

              this.button2.Text = "Style2";

              this.button2.Click += new System.EventHandler(this.button2_Click);

              //

              // dataGrid

              //

              this.dataGrid.CaptionText = "DataGrid Example";

              this.dataGrid.DataMember = "";

              this.dataGrid.Dock = System.Windows.Forms.DockStyle.Bottom;

              this.dataGrid.HeaderForeColor = System.Drawing.SystemColors.ControlText;

              this.dataGrid.Location = new System.Drawing.Point(0, 54);

              this.dataGrid.Name = "dataGrid";

              this.dataGrid.Size = new System.Drawing.Size(536, 176);

              this.dataGrid.TabIndex = 2;

              //

              // MultiStyleForm

              //

              this.AutoScaleBaseSize = new System.Drawing.Size(5, 15);

              this.ClientSize = new System.Drawing.Size(536, 230);

              this.Controls.Add(this.dataGrid);

              this.Controls.Add(this.button2);

              this.Controls.Add(this.button1);

              this.Name = "MultiStyleForm";

              this.Text = "MultiStyleForm";

              this.Load += new System.EventHandler(this.MultiStyleForm_Load);

              ((System.ComponentModel.ISupportInitialize)(this.dataGrid)).EndInit();

              this.ResumeLayout(false);

         }

         #endregion

         ///<summary>

         ///应用程序的主进入点。

         ///</summary>

         [STAThread]

         static void Main()

         {

              Application.Run(new MultiStyleForm());

         }

         #region User Variable

         private System.Windows.Forms.DataGridTableStyle TableStyle1;//风格1

         private System.Windows.Forms.DataGridBoolColumn TableStyle1Status;//风格1的中Check框

         private System.Windows.Forms.DataGridTextBoxColumn TableStyle1TextBox1;//风格1中的TextBox1框

         private System.Windows.Forms.DataGridTextBoxColumn TableStyle1TextBox2;//风格1中的TextBox2框

         private System.Windows.Forms.DataGridTableStyle TableStyle2;//风格2

         private System.Windows.Forms.DataGridTextBoxColumn TableStyle2TextBox1;//风格2中的TextBox1框

         private System.Windows.Forms.DataGridTextBoxColumn TableStyle2TextBox2;//风格2中的TextBox2框

         private DataTable DataGridTable = null;//用Table作数据源

         private DataView DataGridView = null;//用DataView来限定数据源的一些设定

         #endregion

         #region Init TableStyle 分别初始化风格1和风格2

         private void InitTableStyle1()

         {

              TableStyle1 = new DataGridTableStyle();

              TableStyle1Status = new DataGridBoolColumn();

              TableStyle1TextBox1 = new DataGridTextBoxColumn();

              TableStyle1TextBox2 = new DataGridTextBoxColumn();

 

              //

              // TableStyle1

              //

              this.TableStyle1.AlternatingBackColor = System.Drawing.Color.Wheat;

              this.TableStyle1.BackColor = System.Drawing.Color.LightGray;

              this.TableStyle1.DataGrid = this.dataGrid;

              this.TableStyle1.ForeColor = System.Drawing.Color.MidnightBlue;

              this.TableStyle1.GridColumnStyles.AddRange(new System.Windows.Forms.DataGridColumnStyle[] {

                                                                                                                        this.TableStyle1Status,

                                                                                                                        this.TableStyle1TextBox1,

                                                                                                                         this.TableStyle1TextBox2});

              this.TableStyle1.GridLineColor = System.Drawing.Color.Black;

              this.TableStyle1.HeaderBackColor = System.Drawing.Color.LightBlue;

              this.TableStyle1.HeaderForeColor = System.Drawing.SystemColors.ControlText;

              this.TableStyle1.MappingName = "";

              this.TableStyle1.RowHeadersVisible = false;

              this.TableStyle1.SelectionBackColor = System.Drawing.Color.LightSkyBlue;

              this.TableStyle1.SelectionForeColor = System.Drawing.Color.WhiteSmoke;

              //

              // TableStyle1Status

              //

              this.TableStyle1Status.AllowNull = false;

              this.TableStyle1Status.FalseValue = false;

              this.TableStyle1Status.HeaderText = "Status";

              this.TableStyle1Status.MappingName = "";

              this.TableStyle1Status.NullText = "";

              this.TableStyle1Status.TrueValue = true;

              this.TableStyle1Status.Width = 40;

              //

              // TableStyle1TextBox1

              //

              this.TableStyle1TextBox1.Format = "";

              this.TableStyle1TextBox1.FormatInfo = null;

              this.TableStyle1TextBox1.HeaderText = "TextBox1";

              this.TableStyle1TextBox1.MappingName = "";

              this.TableStyle1TextBox1.NullText = "";

              this.TableStyle1TextBox1.ReadOnly = true;

              this.TableStyle1TextBox1.Width = 75;

              //

              // TableStyle1TextBox2

              //

              this.TableStyle1TextBox2.Format = "";

              this.TableStyle1TextBox2.FormatInfo = null;

              this.TableStyle1TextBox2.HeaderText = "TextBox2";

              this.TableStyle1TextBox2.MappingName = "";

              this.TableStyle1TextBox2.NullText = "";

              this.TableStyle1TextBox2.Width = 75;

         }

         private void InitTableStyle2()

         {

              TableStyle2 = new DataGridTableStyle();

              TableStyle2TextBox1 = new DataGridTextBoxColumn();

              TableStyle2TextBox2 = new DataGridTextBoxColumn();

              //

              // TableStyle2

              //

              this.TableStyle2.AlternatingBackColor = System.Drawing.Color.Wheat;

              this.TableStyle2.BackColor = System.Drawing.Color.LightGray;

              this.TableStyle2.DataGrid = this.dataGrid;

              this.TableStyle2.ForeColor = System.Drawing.Color.MidnightBlue;

              this.TableStyle2.GridColumnStyles.AddRange(new System.Windows.Forms.DataGridColumnStyle[] {

                                                                                                                        this.TableStyle2TextBox1,

                                                                                                                        this.TableStyle2TextBox2});

              this.TableStyle2.GridLineColor = System.Drawing.Color.Black;

              this.TableStyle2.HeaderBackColor = System.Drawing.Color.LightBlue;

              this.TableStyle2.HeaderForeColor = System.Drawing.SystemColors.ControlText;

              this.TableStyle2.MappingName = "";

              this.TableStyle2.RowHeadersVisible = false;

              this.TableStyle2.SelectionBackColor = System.Drawing.Color.LightSkyBlue;

              this.TableStyle2.SelectionForeColor = System.Drawing.Color.WhiteSmoke;

              //

              // TableStyle2TextBox1

              //

              this.TableStyle2TextBox1.Format = "";

              this.TableStyle2TextBox1.FormatInfo = null;

              this.TableStyle2TextBox1.HeaderText = "TextBox1";

              this.TableStyle2TextBox1.MappingName = "";

              this.TableStyle2TextBox1.NullText = "";

              this.TableStyle2TextBox1.ReadOnly = true;

              this.TableStyle2TextBox1.Width = 75;

              //

              // TableStyle2TextBox2

              //

              this.TableStyle2TextBox2.Format = "";

              this.TableStyle2TextBox2.FormatInfo = null;

              this.TableStyle2TextBox2.HeaderText = "TextBox2";

              this.TableStyle2TextBox2.MappingName = "";

              this.TableStyle2TextBox2.NullText = "";

              this.TableStyle2TextBox2.Width = 75;

         }

         #endregion

         #region Init Table View DataGrid 分别初始化Table View DataGrid和为Table创建数据源

         private void InitTable()

         {

              DataGridTable = new DataTable("DataGridTable");//初始化Table

              DataColumn[] d = new DataColumn[3];//初始化Table中的列

              d[0] = new DataColumn("d0",typeof(bool));

              d[1] = new DataColumn("d1",typeof(string));

              d[2] = new DataColumn("d2",typeof(string));

              DataGridTable.Columns.AddRange(d);//把三列加入Table

              TableStyle1.MappingName = "DataGridTable";//风格1绑定数据源

              TableStyle1Status.MappingName = "d0";//风格1中的列0绑定数据源中的列0

              TableStyle1TextBox1.MappingName = "d1";//风格1中的列1绑定数据源中的列1

              TableStyle1TextBox2.MappingName = "d2";//风格1中的列2绑定数据源中的列2

              TableStyle2.MappingName = "DataGridTable";//风格2绑定数据源

              TableStyle2TextBox1.MappingName = "d2";//风格2中的列1绑定数据源中的列2

              TableStyle2TextBox2.MappingName = "d1";//风格2中的列2绑定数据源中的列1

         }

         private void InitView()

         {

              DataGridView = new DataView();

              DataGridView.Table = DataGridTable;//用View来代表Table，若有多个Table则用DataSet来绑定。

              DataGridView.AllowNew = false;//对Table进行必要的限定

         }

         private void InitDataGrid()

         {

              dataGrid.DataSource = DataGridView;//用View来设定DataGrid的数据源

         }

         private void InitData()//为数据源Table添加数据

         {

              DataRow r = null;

              for( int count = 0 ; count < 4 ; count++ )

              {

                  r = DataGridTable.NewRow();

                  r[0] = false;

                  r[1] = "TextBox1" + count.ToString();

                  r[2] = "TextBox2" + count .ToString();

                  DataGridTable.Rows.Add(r);

              }

         }

         #endregion

 

         private void button1_Click(object sender, System.EventArgs e)

         {

              //启用风格1

              dataGrid.TableStyles.Clear();

              dataGrid.TableStyles.Add(TableStyle1);

         }

         private void button2_Click(object sender, System.EventArgs e)

         {

              //启动风格2

              dataGrid.TableStyles.Clear();

              dataGrid.TableStyles.Add(TableStyle2);

         }

         private void MultiStyleForm_Load(object sender, System.EventArgs e)

         {

              try

              {

                  InitTableStyle1();

                  InitTableStyle2();

                  InitTable();

                  InitView();

                  InitDataGrid();

                  InitData();

              }

              catch( Exception ex )

              {

                  MessageBox.Show( ex.Message );

              }

         }

     }

}

运行后的画面如下：

原始图面：

启动风格1画面

启动风格2画面

       

        为了能把TableStyle讲清楚，所以本文用了手动的方法来创建。其实vs2003中已经把这个功能整合到IDE中了，通过DataGrid属性栏中的TableStyle属性就可以让IDE自动设置TableStyle的风格了。

                二、如何在DataGrid中加入ComboBox控件

C#类库中的DataGrid控件功能非常强大，基本上可以应对一般的表格处理，但是对于特殊的要求，比如在DataGrid中加入单选框(ChechBox)和多选下拉菜单(ComboBox)时就要自己写一些代码了，在Framework1.1中的DataGrid并没有提供这方面的功能。下面介绍一种在DataGrid中加入ComboBox的方法。

1.      首先设置DataGrid的TableStyle

2.      然后利用DataGridTextBoxColumn中的TextBox.Controls属性把ComBoBox加入

3.      最后编写ComboBox的comboBox_SelectedIndexChanged事件，使修改可以保存回DataGrid的相应行。

       下面是程序的完整例子，在vs2003中测试通过，代码说明在程序中。添加ComboBox的代码主要在InitDataTable()函数中。

using System;

using System.Drawing;

using System.Collections;

using System.ComponentModel;

using System.Windows.Forms;

using System.Data;

 

namespace DataGridBackColor

{

     ///<summary>

     /// Form1 的摘要描述。

     ///</summary>

     public class Form1 : System.Windows.Forms.Form

     {

         private System.Windows.Forms.DataGrid dataGrid;

         private System.Windows.Forms.DataGridTableStyle TableStyle;

         private System.Windows.Forms.DataGridBoolColumn Status;

         private System.Windows.Forms.DataGridTextBoxColumn DataGridTextBox1;

         private System.Windows.Forms.DataGridTextBoxColumn DataGridTextBox2;

         private System.Windows.Forms.DataGridTextBoxColumn DataGridComboBox;

         ///<summary>

         ///设计工具所需的变数。

         ///</summary>

         private System.ComponentModel.Container components = null;

 

         public Form1()

         {

              //

              // Windows Form 设计工具支持的必要项

              //

              InitializeComponent();

 

              //

              // TODO: 在 InitializeComponent 呼叫之后加入任何建构函式程序代码

              //

         }

 

         ///<summary>

         ///清除任何使用中的资源。

         ///</summary>

         protected override void Dispose( bool disposing )

         {

              if( disposing )

              {

                  if (components != null)

                  {

                       components.Dispose();

                  }

              }

              base.Dispose( disposing );

         }

 

         #region Windows Form 设计工具产生的程序代码

         ///<summary>

         ///此为设计工具支持所必须的方法 - 请勿使用程序代码编辑器修改

         ///这个方法的内容。

         ///</summary>

         private void InitializeComponent()

         {

              System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(Form1));

              this.dataGrid = new System.Windows.Forms.DataGrid();

              this.TableStyle = new System.Windows.Forms.DataGridTableStyle();

              this.Status = new System.Windows.Forms.DataGridBoolColumn();

              this.DataGridTextBox1 = new System.Windows.Forms.DataGridTextBoxColumn();

              this.DataGridTextBox2 = new System.Windows.Forms.DataGridTextBoxColumn();

              this.DataGridComboBox = new System.Windows.Forms.DataGridTextBoxColumn();

              ((System.ComponentModel.ISupportInitialize)(this.dataGrid)).BeginInit();

              this.SuspendLayout();

              //

              // dataGrid

              //

              this.dataGrid.CaptionText = "DataGrid Example";

              this.dataGrid.DataMember = "";

              this.dataGrid.Dock = System.Windows.Forms.DockStyle.Fill;

              this.dataGrid.HeaderForeColor = System.Drawing.SystemColors.ControlText;

              this.dataGrid.Location = new System.Drawing.Point(0, 0);

              this.dataGrid.Name = "dataGrid";

              this.dataGrid.Size = new System.Drawing.Size(408, 238);

              this.dataGrid.TabIndex = 0;

              this.dataGrid.TableStyles.AddRange(new System.Windows.Forms.DataGridTableStyle[] {

                                                                                                               this.TableStyle});

              //

              // TableStyle

              //

              this.TableStyle.AlternatingBackColor = System.Drawing.Color.Wheat;

              this.TableStyle.BackColor = System.Drawing.Color.LightGray;

              this.TableStyle.DataGrid = this.dataGrid;

              this.TableStyle.ForeColor = System.Drawing.Color.MidnightBlue;

              this.TableStyle.GridColumnStyles.AddRange(new System.Windows.Forms.DataGridColumnStyle[] {

                                                                                                                        this.Status,

                                                                                                                        this.DataGridTextBox1,

                                                                                                                        this.DataGridTextBox2,

                                                                                                                        this.DataGridComboBox});

              this.TableStyle.GridLineColor = System.Drawing.Color.Black;

              this.TableStyle.HeaderBackColor = System.Drawing.Color.LightBlue;

              this.TableStyle.HeaderForeColor = System.Drawing.SystemColors.ControlText;

              this.TableStyle.MappingName = "";

              this.TableStyle.RowHeadersVisible = false;

              this.TableStyle.SelectionBackColor = System.Drawing.Color.LightSkyBlue;

              this.TableStyle.SelectionForeColor = System.Drawing.Color.WhiteSmoke;

              //

              // Status

              //

              this.Status.AllowNull = false;

              this.Status.FalseValue = false;

              this.Status.HeaderText = "Status";

              this.Status.MappingName = "";

              this.Status.NullText = "";

              this.Status.NullValue = ((object)(resources.GetObject("Status.NullValue")));

              this.Status.TrueValue = true;

              this.Status.Width = 40;

              //

              // DataGridTextBox1

              //

              this.DataGridTextBox1.Format = "";

              this.DataGridTextBox1.FormatInfo = null;

              this.DataGridTextBox1.HeaderText = "TextBox1";

              this.DataGridTextBox1.MappingName = "";

              this.DataGridTextBox1.NullText = "";

              this.DataGridTextBox1.ReadOnly = true;

              this.DataGridTextBox1.Width = 75;

              //

              // DataGridTextBox2

              //

              this.DataGridTextBox2.Format = "";

              this.DataGridTextBox2.FormatInfo = null;

              this.DataGridTextBox2.HeaderText = "TextBox2";

              this.DataGridTextBox2.MappingName = "";

              this.DataGridTextBox2.NullText = "";

              this.DataGridTextBox2.Width = 75;

              //

              // DataGridComboBox

              //

              this.DataGridComboBox.Format = "";

              this.DataGridComboBox.FormatInfo = null;

              this.DataGridComboBox.HeaderText = "ComboBox";

              this.DataGridComboBox.MappingName = "";

              this.DataGridComboBox.NullText = "";

              this.DataGridComboBox.Width = 75;

              //

              // Form1

              //

              this.AutoScaleBaseSize = new System.Drawing.Size(5, 15);

              this.ClientSize = new System.Drawing.Size(408, 238);

              this.Controls.Add(this.dataGrid);

              this.Name = "Form1";

              this.Text = "DataGrid Example";

              this.Load += new System.EventHandler(this.Form1_Load);

              ((System.ComponentModel.ISupportInitialize)(this.dataGrid)).EndInit();

              this.ResumeLayout(false);

 

         }

         #endregion

 

         ///<summary>

         ///应用程序的主进入点。

         ///</summary>

         [STAThread]

         static void Main()

         {

              Application.Run(new Form1());

         }

 

         #region User Variable

         private DataTable UserTable = null;

         private DataView UserView = null;

         #endregion

 

         #region comboBox Event

         private void Form1_Load(object sender, System.EventArgs e)

         {

              try

              {

                  InitDataTable();

                  InitDataView();

                  InitDataGrid();

                  InitData();

              }

              catch( Exception ex )

              {

                  MessageBox.Show( ex.Message );

              }

         }

        

         private void comboBox_SelectedIndexChanged(object sender , System.EventArgs e)

         {

              //将修改写回dataGrid的相应行

              if( dataGrid != null )

              {

                  dataGrid[dataGrid.CurrentCell] = ((ComboBox)sender).SelectedItem.ToString();

              }

         }

         #endregion

 

         private void InitDataTable()

         {

              UserTable = new DataTable("UserTable");

              DataColumn[] d = new DataColumn[4];

              d[0] = new DataColumn("d0",typeof(bool));

              d[1] = new DataColumn("d1",typeof(string));

              d[2] = new DataColumn("d2",typeof(string));

              d[3] = new DataColumn("d3",typeof(string));

              UserTable.Columns.AddRange( d );

 

              TableStyle.MappingName = "UserTable";

              Status.MappingName = "d0";

              DataGridTextBox1.MappingName = "d1";

              DataGridTextBox2.MappingName = "d2";

              DataGridComboBox.MappingName = "d3";

 

              //创建一个新的ComboBox控件并设置其基本属性

              ComboBox comboBox = new ComboBox();

              comboBox.Items.AddRange( new object[]{ "Choose1" , "Choose2" , "Choose3" });

              comboBox.DropDownStyle = ComboBoxStyle.DropDownList;

              comboBox.Dock = DockStyle.Fill;

              DataGridComboBox.TextBox.Controls.Add( comboBox );//将comboBox加入DataGrid的相应行

 

              //关联comboBox的SelectedIndexChanged事件

              comboBox.SelectedIndexChanged += new EventHandler(comboBox_SelectedIndexChanged);

         }

 

         private void InitDataView()

         {

              UserView = new DataView();

              UserView.Table = UserTable;

              UserView.AllowNew = false;

         }

 

         private void InitDataGrid()

         {

              dataGrid.DataSource = UserView;

         }

 

         private void InitData()

         {

              DataRow r = null;

              for( int count = 1 ; count < 4 ; count++ )

              {

                  r = UserTable.NewRow();

                  r[0] = true;

                  r[1] = "TextBox1" + count.ToString();

                  r[2] = "TextBox2" + count.ToString();

                  r[3] = "Choose" + count.ToString();

                  UserTable.Rows.Add( r );

              }

         }

     }

}

运行结果如下：

 

        在有些时候，DataGrid中不同行的值要以不同的颜色显示出来，比如告警，不同告警的背景色要不同。

                三、如何改变DataGrid的背景色

        在用DataGrid作为表格显示数据的时候，有时往往需要根据数据的内容来显示不同的颜色，比如作告警列表时，不同的告警要用不同的颜色表示。修改DataGrid背景色的方法很多，这里介绍一种使用DataGrid的TableStyle属性方法来修改背景色。大致过程如下：

1.      自定义DataGridColoredTextBoxColumn类，继承自DataGridTextBoxColumn

2.      重写(override) Paint方法

3.      用DataGridColoredTextBoxColumn类替代程序中的DataGridTextBoxColumn类

代码如下：代码说明详见代码中的注释，该程序在vs2003下测试通过。程序中用到了TableStyle。

程序中所有关于TableStyle的部分都没有加注释。程序的重点在于DataGridColoredTextBoxColumn 类的构造和Paint方法的重写。

代码如下：

using System;

using System.Drawing;

using System.Collections;

using System.ComponentModel;

using System.Windows.Forms;

using System.Data;

 

namespace DataGridBackColor

{

     ///<summary>

     /// BackColorForm 的摘要描述。

     ///</summary>

     public class BackColorForm : System.Windows.Forms.Form

     {

         //定义DataGridColoredTextBoxColumn类

         public class DataGridColoredTextBoxColumn : DataGridTextBoxColumn

         {

              //利用DataView来传递当前DataGrid中的数据

              public DataView dv = null;

 

              //重写Paint

              protected override void Paint(Graphics g, Rectangle bounds, CurrencyManager source, int rowNum, Brush backBrush, Brush foreBrush, bool alignToRight)

              {

                  try

                  {

                       //判断DataGrid中每行第一列的数据是否为如下的字符串

                       switch( dv[rowNum].Row[0].ToString() )

                       {

                           case "critical" : backBrush = Brushes.Red; break;//改变颜色

                           case "major" : backBrush = Brushes.Brown; break;//改变颜色

                           case "minor" : backBrush = Brushes.Orange; break;//改变颜色

                           case "warning" : backBrush = Brushes.YellowGreen; break;//改变颜色

                           default : break;

                       }

                  }

                  catch( Exception ex )

                  {

                       MessageBox.Show( ex.Message );

                  }

                  finally

                  {

                       //调用基类的Paint方法

                       base.Paint (g, bounds, source, rowNum, backBrush, foreBrush, alignToRight);

                  }

              }

         }

         private System.Windows.Forms.DataGrid dataGrid;

         private System.Windows.Forms.DataGridTableStyle TableStyle;

         private DataGridColoredTextBoxColumn Status;

         private DataGridColoredTextBoxColumn TextBox1;

         private DataGridColoredTextBoxColumn TextBox2;

        

         ///<summary>

         ///设计工具所需的变数。

         ///</summary>

         private System.ComponentModel.Container components = null;

 

         public BackColorForm()

         {

              //

              // Windows Form 设计工具支持的必要项

              //

              InitializeComponent();

 

              //

              // TODO: 在 InitializeComponent 呼叫之后加入任何建构函式程序代码

              //

         }

 

         ///<summary>

         ///清除任何使用中的资源。

         ///</summary>

         protected override void Dispose( bool disposing )

         {

              if( disposing )

              {

                  if(components != null)

                  {

                       components.Dispose();

                  }

              }

              base.Dispose( disposing );

         }

 

         #region Windows Form 设计工具产生的程序代码

         ///<summary>

         ///此为设计工具支持所必须的方法 - 请勿使用程序代码编辑器修改

         ///这个方法的内容。

         ///</summary>

         private void InitializeComponent()

         {

              this.dataGrid = new System.Windows.Forms.DataGrid();

              this.TableStyle = new System.Windows.Forms.DataGridTableStyle();

              this.Status = new DataGridColoredTextBoxColumn();

              this.TextBox1 = new DataGridColoredTextBoxColumn();

              this.TextBox2 = new DataGridColoredTextBoxColumn();

              ((System.ComponentModel.ISupportInitialize)(this.dataGrid)).BeginInit();

              this.SuspendLayout();

              //

              // dataGrid

              //

              this.dataGrid.CaptionText = "BackColorForm";

              this.dataGrid.DataMember = "";

              this.dataGrid.Dock = System.Windows.Forms.DockStyle.Fill;

              this.dataGrid.HeaderForeColor = System.Drawing.SystemColors.ControlText;

              this.dataGrid.Location = new System.Drawing.Point(0, 0);

              this.dataGrid.Name = "dataGrid";

              this.dataGrid.Size = new System.Drawing.Size(292, 266);

              this.dataGrid.TabIndex = 0;

              this.dataGrid.TableStyles.AddRange(new System.Windows.Forms.DataGridTableStyle[] {

                                                                                                               this.TableStyle});

              //

              // TableStyle

              //

              this.TableStyle.AlternatingBackColor = System.Drawing.Color.Wheat;

              this.TableStyle.BackColor = System.Drawing.Color.LightGray;

              this.TableStyle.DataGrid = this.dataGrid;

              this.TableStyle.ForeColor = System.Drawing.Color.MidnightBlue;

              this.TableStyle.GridColumnStyles.AddRange(new System.Windows.Forms.DataGridColumnStyle[] {

                                                                                                                        this.Status,

                                                                                                                        this.TextBox1,

                                                                                                                        this.TextBox2});

              this.TableStyle.GridLineColor = System.Drawing.Color.Black;

              this.TableStyle.HeaderBackColor = System.Drawing.Color.LightBlue;

              this.TableStyle.HeaderForeColor = System.Drawing.SystemColors.ControlText;

              this.TableStyle.MappingName = "";

              this.TableStyle.SelectionBackColor = System.Drawing.Color.LightSkyBlue;

              this.TableStyle.SelectionForeColor = System.Drawing.Color.WhiteSmoke;

              //

              // Status

              //

              this.Status.Format = "";

              this.Status.FormatInfo = null;

              this.Status.HeaderText = "Status";

              this.Status.MappingName = "";

              this.Status.NullText = "";

              this.Status.Width = 75;

              //

              // TextBox1

              //

              this.TextBox1.Format = "";

              this.TextBox1.FormatInfo = null;

              this.TextBox1.HeaderText = "TextBox1";

              this.TextBox1.MappingName = "";

              this.TextBox1.NullText = "";

              this.TextBox1.Width = 75;

              //

              // TextBox2

              //

              this.TextBox2.Format = "";

              this.TextBox2.FormatInfo = null;

              this.TextBox2.HeaderText = "TextBox2";

              this.TextBox2.MappingName = "";

              this.TextBox2.NullText = "";

              this.TextBox2.Width = 75;

              //

              // BackColorForm

              //

              this.AutoScaleBaseSize = new System.Drawing.Size(5, 15);

              this.ClientSize = new System.Drawing.Size(292, 266);

              this.Controls.Add(this.dataGrid);

              this.Name = "BackColorForm";

              this.Text = "BackColorForm";

              this.Load += new System.EventHandler(this.Form1_Load);

              ((System.ComponentModel.ISupportInitialize)(this.dataGrid)).EndInit();

              this.ResumeLayout(false);

 

         }

         #endregion

 

         ///<summary>

         ///应用程序的主进入点。

         ///</summary>

         [STAThread]

         static void Main()

         {

              Application.Run(new BackColorForm());

         }

 

         #region User Variable

         private DataTable UserTable = null;

         private DataView UserView = null;

         #endregion

 

         private void Form1_Load(object sender, System.EventArgs e)

         {

              try

              {

                  InitDataTable();

                  InitDataView();

                  InitDataGrid();

                  InitData();

              }

              catch( Exception ex )

              {

                  MessageBox.Show( ex.Message );

              }

         }

        

         private void InitDataTable()

         {

              UserTable = new DataTable("UserTable");

              DataColumn[] d = new DataColumn[4];

              d[0] = new DataColumn("d0",typeof(string));

              d[1] = new DataColumn("d1",typeof(string));

              d[2] = new DataColumn("d2",typeof(string));

              UserTable.Columns.AddRange( d );

 

              TableStyle.MappingName = "UserTable";

              Status.MappingName = "d0";

              TextBox1.MappingName = "d1";

              TextBox2.MappingName = "d2";

         }

 

         private void InitDataView()

         {

              UserView = new DataView();

              UserView.Table = UserTable;

              UserView.AllowNew = false;

 

              //将DataView赋给DataGridColoredTextBoxColumn类中的DataView变量

              Status.dv = UserView;

              TextBox1.dv = UserView;

              TextBox2.dv = UserView;

         }

 

         private void InitDataGrid()

         {

              dataGrid.DataSource = UserView;

         }

 

         private void InitData()

         {

              DataRow r = null;

              //Row 1

              r = UserTable.NewRow();

              r[0] = "critical";

              r[1] = "TextBox11";

              r[2] = "TextBox21";

              UserTable.Rows.Add( r );

              //Row 2

              r = UserTable.NewRow();

              r[0] = "major";

              r[1] = "TextBox12";

              r[2] = "TextBox22";

              UserTable.Rows.Add( r );

              //Row 3

              r = UserTable.NewRow();

              r[0] = "minor";

              r[1] = "TextBox13";

              r[2] = "TextBox23";

              UserTable.Rows.Add( r );

              //Row 4

              r = UserTable.NewRow();

              r[0] = "warning";

              r[1] = "TextBox14";

              r[2] = "TextBox24";

              UserTable.Rows.Add( r );

             

         }

     }

}

 

运行结果如下：

                                                                             来源：CSDN