Dev GridControl

来源：互联网发布：anaconda python 使用编辑：程序博客网时间：2024/04/30 20:42
using System;using System.Collections.Generic;using System.ComponentModel;using System.Windows.Forms;using DevExpress.XtraGrid.Columns;using DevExpress.XtraGrid.Views.Base;using DevExpress.XtraGrid.Views.BandedGrid;using DevExpress.XtraEditors.Repository;namespace XtraGridDemo1{    public partial class Form1 : DevExpress.XtraEditors.XtraForm    {        public Form1()        {            InitializeComponent();                        //首先拖到窗体上一个GridControl，在表格上点击“Click here to change view”链接，在弹出菜单中选择“convert to”-->“AdvBandedGridView”。                        InitGrid();        }        ///初始化表格        private void InitGrid()        {            // advBandedGridView1是表格上的默认视图，注意这里声明的是：BandedGridView            BandedGridView view = advBandedGridView1 as BandedGridView;                        view.BeginUpdate(); //开始视图的编辑，防止触发其他事件            view.BeginDataUpdate(); //开始数据的编辑            view.Bands.Clear();            //修改附加选项            view.OptionsView.ShowColumnHeaders = false;                         //因为有Band列了，所以把ColumnHeader隐藏            view.OptionsView.ShowGroupPanel = false;                            //如果没必要分组，就把它去掉            view.OptionsView.EnableAppearanceEvenRow = false;                   //是否启用偶数行外观            view.OptionsView.EnableAppearanceOddRow = true;                     //是否启用奇数行外观            view.OptionsView.ShowFilterPanelMode = ShowFilterPanelMode.Never;   //是否显示过滤面板            view.OptionsCustomization.AllowColumnMoving = false;                //是否允许移动列            view.OptionsCustomization.AllowColumnResizing = false;              //是否允许调整列宽            view.OptionsCustomization.AllowGroup = false;                       //是否允许分组            view.OptionsCustomization.AllowFilter = false;                      //是否允许过滤            view.OptionsCustomization.AllowSort = true;                         //是否允许排序            view.OptionsSelection.EnableAppearanceFocusedCell = true;           //???            view.OptionsBehavior.Editable = true;                               //是否允许用户编辑单元格            //添加列标题            GridBand bandID = view.Bands.AddBand("ID");            bandID.Visible = false; //隐藏ID列            GridBand bandName = view.Bands.AddBand("姓名");            GridBand bandSex = view.Bands.AddBand("性别");            GridBand bandBirth = view.Bands.AddBand("出生日期");            GridBand bandScore = view.Bands.AddBand("分数");            GridBand bandMath = bandScore.Children.AddBand("数学");            GridBand bandChinese = bandScore.Children.AddBand("语文");            GridBand bandEnglish = bandScore.Children.AddBand("英语");            GridBand bandSubTotal = bandScore.Children.AddBand("小计");            GridBand bandRemark = view.Bands.AddBand("备注");            //列标题对齐方式            bandName.AppearanceHeader.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;            bandSex.AppearanceHeader.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;            bandBirth.AppearanceHeader.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;            bandScore.AppearanceHeader.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;            bandMath.AppearanceHeader.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;            bandChinese.AppearanceHeader.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;            bandEnglish.AppearanceHeader.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;            bandSubTotal.AppearanceHeader.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;            bandRemark.AppearanceHeader.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;            //模拟几个数据            List<Record> listDataSource = new List<Record>();            listDataSource.Add(new Record(1, "张三","男",Convert.ToDateTime("1989-5-6") ,115.5f,101,96,""));            listDataSource.Add(new Record(2, "李四", "女", Convert.ToDateTime("1987-12-23"), 92, 85, 87, ""));            listDataSource.Add(new Record(3, "王五", "女", Convert.ToDateTime("1990-2-11"), 88, 69, 41.5f, ""));            listDataSource.Add(new Record(4, "赵六", "男", Convert.ToDateTime("1988-9-1"), 119, 108, 110, "备注行"));            //绑定数据源并显示            gridControl1.DataSource = listDataSource;            gridControl1.MainView.PopulateColumns();            //[小计]这一列因为没绑定数据源，所以需要手动添加            //(有点复杂，慢慢看吧)            string[] fieldNames = new string[] { "SubTotal" };            GridColumn column;   //声明单列            column = view.Columns.AddField(fieldNames[0]);  //添加一个数据字段            column.VisibleIndex = view.Columns.Count -1;  //设置该列在编辑视图时的显示位置(倒数第二列)              column.UnboundType = DevExpress.Data.UnboundColumnType.Decimal;            column.OptionsColumn.AllowEdit = false;     //此列不可编辑            column.Visible = true;            view.Columns.Add(column);   //视图中添加一列            //绑定事件，当[分数]改变时[小计]也跟着变            //(好像只有在绑定事件里才能改变该单元格数值，直接修改无效)            view.CustomUnboundColumnData += new                DevExpress.XtraGrid.Views.Base.CustomColumnDataEventHandler(advBandedGridView1_CustomUnboundColumnData);            //[性别]列绑定ComboBox            RepositoryItemComboBox riCombo = new RepositoryItemComboBox();            riCombo.Items.AddRange(new string[] {"男", "女"});            gridControl1.RepositoryItems.Add(riCombo);            view.Columns["Sex"].ColumnEdit = riCombo;            //[出生年月]列绑定Date            RepositoryItemDateEdit riDate = new RepositoryItemDateEdit();            gridControl1.RepositoryItems.Add(riDate);            view.Columns["Birth"].ColumnEdit = riDate;            //[分数]列绑定SpinEdit            RepositoryItemSpinEdit riSpin = new RepositoryItemSpinEdit();            gridControl1.RepositoryItems.Add(riSpin);            view.Columns["Math"].ColumnEdit = riSpin;            view.Columns["Chinese"].ColumnEdit = riSpin;            view.Columns["English"].ColumnEdit = riSpin;            //[备注]列绑定MemoExEdit            RepositoryItemMemoExEdit riMemoEx = new RepositoryItemMemoExEdit();            gridControl1.RepositoryItems.Add(riMemoEx);            view.Columns["Remark"].ColumnEdit = riMemoEx;            //小计列添加汇总            view.OptionsView.ShowFooter = true;     //显示表格页脚            view.Columns["SubTotal"].SummaryItem.FieldName = "SubTotal";            view.Columns["SubTotal"].SummaryItem.DisplayFormat = "{0:f2}";            view.Columns["SubTotal"].SummaryItem.SummaryType = DevExpress.Data.SummaryItemType.Average;            //将标题列和数据列对应            view.Columns["ID"].OwnerBand = bandID;            view.Columns["Name"].OwnerBand = bandName;            view.Columns["Sex"].OwnerBand = bandSex;            view.Columns["Birth"].OwnerBand = bandBirth;            view.Columns["Math"].OwnerBand = bandMath;            view.Columns["Chinese"].OwnerBand = bandChinese;            view.Columns["English"].OwnerBand = bandEnglish;            view.Columns["SubTotal"].OwnerBand = bandSubTotal;            view.Columns["Remark"].OwnerBand = bandRemark;            view.EndDataUpdate();//结束数据的编辑            view.EndUpdate();   //结束视图的编辑        }        // 计算小计        private float calcSubTotal(float math, float chinese, float english)        {            return math + chinese + english;        }        private void advBandedGridView1_CustomUnboundColumnData(object sender, CustomColumnDataEventArgs e)        {            ColumnView colView = sender as ColumnView;            if (e.Column.FieldName == "SubTotal" && e.IsGetData) e.Value = calcSubTotal(                     Convert.ToSingle(colView.GetRowCellValue(e.RowHandle, colView.Columns["Math"])),                     Convert.ToSingle(colView.GetRowCellValue(e.RowHandle, colView.Columns["Chinese"])),                     Convert.ToSingle(colView.GetRowCellValue(e.RowHandle, colView.Columns["English"])));        }        #region 运行时绑定到实现Ilist接口的数据源        public class Record        {            int id;            DateTime birth;            string name, sex, remark;            float math, chinese, english;            public Record(int id, string name, string sex, DateTime birth, float math, float chinese, float english, string remark)            {                this.id = id;                this.name = name;                this.sex = sex;                this.birth = birth;                this.math = math;                this.chinese = chinese;                this.english = english;                this.remark = remark;            }            public int ID { get { return id; } }            public string Name            {                get { return name; }                set { name = value; }            }            public string Sex            {                get { return sex; }                set { sex = value; }            }            public DateTime Birth            {                get { return birth; }                set { birth = value; }            }            public float Math            {                get { return math; }                set { math = value; }            }            public float Chinese            {                get { return chinese; }                set { chinese = value; }            }            public float English            {                get { return english; }                set { english = value; }            }            public string Remark            {                get { return remark; }                set { remark = value; }            }        }        #endregion    }}
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