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Form1.cs
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Form1.cs
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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;
using DevExpress.XtraGrid.Columns;
using DevExpress.XtraGrid.Views.Grid;
using DevExpress.XtraGrid.Views.Grid.ViewInfo;
namespace A899Example
{
public partial class Form1 : Form
{
DataSet dataSet;
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
// Fill data set with two tables and set up Master - Detail relationship between them
dataSet = new DataSet();
dataSet.Tables.Add(FillMasterTable());
dataSet.Tables.Add(FillDetailTable());
DataColumn keyColumn = dataSet.Tables["MasterTable"].Columns["Vendor"];
DataColumn foreignKeyColumn = dataSet.Tables["DetailTable"].Columns["Vendor"];
dataSet.Relations.Add("Models", keyColumn, foreignKeyColumn);
// Bind master table to the grid control
gridControl1.DataSource = dataSet.Tables["MasterTable"];
gridView1.OptionsDetail.AllowExpandEmptyDetails = true;
// Create and configure detail grid view
GridView detailGridView = new GridView(gridControl1);
gridControl1.LevelTree.Nodes.Add("Models", detailGridView);
detailGridView.PopulateColumns(dataSet.Tables["DetailTable"]);
detailGridView.Columns["Vendor"].VisibleIndex = -1;
}
private void gridView1_CustomDrawCell(object sender, DevExpress.XtraGrid.Views.Base.RowCellCustomDrawEventArgs e)
{
GridView view = sender as GridView;
if(e.Column.VisibleIndex == 0 && view.IsMasterRowEmpty(e.RowHandle))
(e.Cell as GridCellInfo).CellButtonRect = Rectangle.Empty;
}
public static DataTable FillMasterTable()
{
DataTable _masterTable = new DataTable();
_masterTable.TableName = "MasterTable";
_masterTable.Columns.Add(new DataColumn("Vendor", typeof(string)));
_masterTable.Columns.Add(new DataColumn("Availability", typeof(bool)));
_masterTable.Rows.Add(new object[] { "HP", true });
_masterTable.Rows.Add(new object[] { "Dell", false });
return _masterTable;
}
public static DataTable FillDetailTable()
{
DataTable _detailTable = new DataTable();
_detailTable.TableName = "DetailTable";
_detailTable.Columns.Add(new DataColumn("Vendor", typeof(string)));
_detailTable.Columns.Add(new DataColumn("Model", typeof(string)));
_detailTable.Columns.Add(new DataColumn("Availability", typeof(bool)));
_detailTable.Rows.Add(new object[] { "HP", "Pavillion", true });
_detailTable.Rows.Add(new object[] { "HP", "Mini", true });
return _detailTable;
}
}
}