DaraGridView任意行中嵌入ComboBox控件的简单代码实现
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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace WindowsFormsApplication2
{
public partial class Form1 : Form
{
// 定义下拉列表框
private ComboBox cmb_Temp = new ComboBox();
public Form1()
{
InitializeComponent();
}
/// <summary>
/// 绑定性别下拉列表框
/// </summary>
private void BindSex()
{
//DataTable dtSex = new DataTable();
//dtSex.Columns.Add("Value");
//dtSex.Columns.Add("Name");
//DataRow drSex;
//drSex = dtSex.NewRow();
//drSex[0] = "1";
//drSex[1] = "男";
//dtSex.Rows.Add(drSex);
//drSex = dtSex.NewRow();
//drSex[0] = "0";
//drSex[1] = "女";
//dtSex.Rows.Add(drSex);
//cmb_Temp.ValueMember = "Value";
//cmb_Temp.DisplayMember = "Name";
//cmb_Temp.DataSource = dtSex;
cmb_Temp.Items.Add("男");
cmb_Temp.Items.Add("女");
cmb_Temp.Items.Add("人妖");
cmb_Temp.DropDownStyle = ComboBoxStyle.DropDownList;
}
/// <summary>
/// 为避免连接数据库,这里手工构造数据表,实际应用中应从数据库中获取
/// </summary>
private void BindData()
{
DataTable dtData = new DataTable();
dtData.Columns.Add("ID");
dtData.Columns.Add("Name");
dtData.Columns.Add("Sex");
DataRow drData;
drData = dtData.NewRow();
drData[0] = 1;
drData[1] = "张三";
drData[2] = "男";
dtData.Rows.Add(drData);
drData = dtData.NewRow();
drData[0] = 2;
drData[1] = "李四";
drData[2] = "人妖";
dtData.Rows.Add(drData);
drData = dtData.NewRow();
drData[0] = 3;
drData[1] = "王五";
drData[2] = "女";
dtData.Rows.Add(drData);
drData = dtData.NewRow();
drData[0] = 4;
drData[1] = "小芳";
drData[2] = "男";
dtData.Rows.Add(drData);
drData = dtData.NewRow();
drData[0] = 5;
drData[1] = "小娟";
drData[2] = "人妖";
dtData.Rows.Add(drData);
drData = dtData.NewRow();
drData[0] = 6;
drData[1] = "赵六";
drData[2] = "女";
dtData.Rows.Add(drData);
this.dgv_User.DataSource = dtData;
}
private void Form1_Load(object sender, EventArgs e)
{
// 绑定性别下拉列表框
BindSex();
//绑定数据表
BindData();
// 设置下拉列表框不可见
cmb_Temp.Visible = false;
// 添加下拉列表框事件
cmb_Temp.SelectedIndexChanged += new EventHandler(cmb_Temp_SelectedIndexChanged);
// 将下拉列表框加入到DataGridView控件中
this.dgv_User.Controls.Add(cmb_Temp);
}
// 当用户移动到性别这一列时单元格显示下拉列表框
private void dgv_User_CurrentCellChanged(object sender, EventArgs e)
{
try
{
if (this.dgv_User.CurrentCell.ColumnIndex == 2)
{
Rectangle rect = dgv_User.GetCellDisplayRectangle(dgv_User.CurrentCell.ColumnIndex, dgv_User.CurrentCell.RowIndex, false);
string sexValue = dgv_User.CurrentCell.Value.ToString();
//if (sexValue == "1")
//{
cmb_Temp.Text = sexValue;
//}
//else
//{
// cmb_Temp.Text = "女";
//}
cmb_Temp.Left = rect.Left;
cmb_Temp.Top = rect.Top;
cmb_Temp.Width = rect.Width;
cmb_Temp.Height = rect.Height;
cmb_Temp.Visible = true;
}
else
{
cmb_Temp.Visible = false;
}
}
catch
{
}
}
// 当用户选择下拉列表框时改变DataGridView单元格的内容
private void cmb_Temp_SelectedIndexChanged(object sender, EventArgs e)
{
System.Diagnostics.Debug.Print(((ComboBox)sender).Text);
//if (((ComboBox)sender).Text == "男")
//{
dgv_User.CurrentCell.Value = ((ComboBox)sender).Text;
// dgv_User.CurrentCell.Tag = "1";
//}
//else
//{
// dgv_User.CurrentCell.Value = "女";
// dgv_User.CurrentCell.Tag = "0";
//}
}
// 滚动DataGridView时将下拉列表框设为不可见
private void dgv_User_Scroll(object sender, ScrollEventArgs e)
{
this.cmb_Temp.Visible = false;
}
// 改变DataGridView列宽时将下拉列表框设为不可见
private void dgv_User_ColumnWidthChanged(object sender, DataGridViewColumnEventArgs e)
{
this.cmb_Temp.Visible = false;
}
// 绑定数据表后将性别列中的每一单元格的Value和Tag属性(Tag为值文本,Value为显示文本)
private void dgv_User_DataBindingComplete(object sender, DataGridViewBindingCompleteEventArgs e)
{
for (int i = 0; i < this.dgv_User.Rows.Count; i++)
{
if (dgv_User.Rows[i].Cells[2].Value != null && dgv_User.Rows[i].Cells[2].ColumnIndex == 2)
{
dgv_User.Rows[i].Cells[2].Tag = dgv_User.Rows[i].Cells[2].Value.ToString();
if (dgv_User.Rows[i].Cells[2].Value.ToString() == "1")
{
dgv_User.Rows[i].Cells[2].Value = "男";
}
else if (dgv_User.Rows[i].Cells[2].Value.ToString() == "0")
{
dgv_User.Rows[i].Cells[2].Value = "女";
}
}
}
}
}
}
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace WindowsFormsApplication2
{
public partial class Form1 : Form
{
// 定义下拉列表框
private ComboBox cmb_Temp = new ComboBox();
public Form1()
{
InitializeComponent();
}
/// <summary>
/// 绑定性别下拉列表框
/// </summary>
private void BindSex()
{
//DataTable dtSex = new DataTable();
//dtSex.Columns.Add("Value");
//dtSex.Columns.Add("Name");
//DataRow drSex;
//drSex = dtSex.NewRow();
//drSex[0] = "1";
//drSex[1] = "男";
//dtSex.Rows.Add(drSex);
//drSex = dtSex.NewRow();
//drSex[0] = "0";
//drSex[1] = "女";
//dtSex.Rows.Add(drSex);
//cmb_Temp.ValueMember = "Value";
//cmb_Temp.DisplayMember = "Name";
//cmb_Temp.DataSource = dtSex;
cmb_Temp.Items.Add("男");
cmb_Temp.Items.Add("女");
cmb_Temp.Items.Add("人妖");
cmb_Temp.DropDownStyle = ComboBoxStyle.DropDownList;
}
/// <summary>
/// 为避免连接数据库,这里手工构造数据表,实际应用中应从数据库中获取
/// </summary>
private void BindData()
{
DataTable dtData = new DataTable();
dtData.Columns.Add("ID");
dtData.Columns.Add("Name");
dtData.Columns.Add("Sex");
DataRow drData;
drData = dtData.NewRow();
drData[0] = 1;
drData[1] = "张三";
drData[2] = "男";
dtData.Rows.Add(drData);
drData = dtData.NewRow();
drData[0] = 2;
drData[1] = "李四";
drData[2] = "人妖";
dtData.Rows.Add(drData);
drData = dtData.NewRow();
drData[0] = 3;
drData[1] = "王五";
drData[2] = "女";
dtData.Rows.Add(drData);
drData = dtData.NewRow();
drData[0] = 4;
drData[1] = "小芳";
drData[2] = "男";
dtData.Rows.Add(drData);
drData = dtData.NewRow();
drData[0] = 5;
drData[1] = "小娟";
drData[2] = "人妖";
dtData.Rows.Add(drData);
drData = dtData.NewRow();
drData[0] = 6;
drData[1] = "赵六";
drData[2] = "女";
dtData.Rows.Add(drData);
this.dgv_User.DataSource = dtData;
}
private void Form1_Load(object sender, EventArgs e)
{
// 绑定性别下拉列表框
BindSex();
//绑定数据表
BindData();
// 设置下拉列表框不可见
cmb_Temp.Visible = false;
// 添加下拉列表框事件
cmb_Temp.SelectedIndexChanged += new EventHandler(cmb_Temp_SelectedIndexChanged);
// 将下拉列表框加入到DataGridView控件中
this.dgv_User.Controls.Add(cmb_Temp);
}
// 当用户移动到性别这一列时单元格显示下拉列表框
private void dgv_User_CurrentCellChanged(object sender, EventArgs e)
{
try
{
if (this.dgv_User.CurrentCell.ColumnIndex == 2)
{
Rectangle rect = dgv_User.GetCellDisplayRectangle(dgv_User.CurrentCell.ColumnIndex, dgv_User.CurrentCell.RowIndex, false);
string sexValue = dgv_User.CurrentCell.Value.ToString();
//if (sexValue == "1")
//{
cmb_Temp.Text = sexValue;
//}
//else
//{
// cmb_Temp.Text = "女";
//}
cmb_Temp.Left = rect.Left;
cmb_Temp.Top = rect.Top;
cmb_Temp.Width = rect.Width;
cmb_Temp.Height = rect.Height;
cmb_Temp.Visible = true;
}
else
{
cmb_Temp.Visible = false;
}
}
catch
{
}
}
// 当用户选择下拉列表框时改变DataGridView单元格的内容
private void cmb_Temp_SelectedIndexChanged(object sender, EventArgs e)
{
System.Diagnostics.Debug.Print(((ComboBox)sender).Text);
//if (((ComboBox)sender).Text == "男")
//{
dgv_User.CurrentCell.Value = ((ComboBox)sender).Text;
// dgv_User.CurrentCell.Tag = "1";
//}
//else
//{
// dgv_User.CurrentCell.Value = "女";
// dgv_User.CurrentCell.Tag = "0";
//}
}
// 滚动DataGridView时将下拉列表框设为不可见
private void dgv_User_Scroll(object sender, ScrollEventArgs e)
{
this.cmb_Temp.Visible = false;
}
// 改变DataGridView列宽时将下拉列表框设为不可见
private void dgv_User_ColumnWidthChanged(object sender, DataGridViewColumnEventArgs e)
{
this.cmb_Temp.Visible = false;
}
// 绑定数据表后将性别列中的每一单元格的Value和Tag属性(Tag为值文本,Value为显示文本)
private void dgv_User_DataBindingComplete(object sender, DataGridViewBindingCompleteEventArgs e)
{
for (int i = 0; i < this.dgv_User.Rows.Count; i++)
{
if (dgv_User.Rows[i].Cells[2].Value != null && dgv_User.Rows[i].Cells[2].ColumnIndex == 2)
{
dgv_User.Rows[i].Cells[2].Tag = dgv_User.Rows[i].Cells[2].Value.ToString();
if (dgv_User.Rows[i].Cells[2].Value.ToString() == "1")
{
dgv_User.Rows[i].Cells[2].Value = "男";
}
else if (dgv_User.Rows[i].Cells[2].Value.ToString() == "0")
{
dgv_User.Rows[i].Cells[2].Value = "女";
}
}
}
}
}
}
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