defaultcs.aspx.cs

Telerik是很大的第三方软件制造商

using System;
using Telerik.QuickStart.Grid;
using Telerik.WebControls;
using Telerik.QuickStart;

namespace Telerik.GridExamplesCSharp.Hierarchy.ThreeLevel
{
	public abstract class DefaultCS : XhtmlPage
	{
		protected Telerik.WebControls.RadGrid RadGrid1;
		protected System.Web.UI.WebControls.Button Button1;
		
		#region Web Form Designer generated code
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: This call is required by the ASP.NET Web Form Designer.
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		///		Required method for Designer support - do not modify
		///		the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{			
			RadGrid1.NeedDataSource += new GridNeedDataSourceEventHandler(RadGrid1_NeedDataSource);
			this.Load += new EventHandler(Page_Load);
		}
		#endregion


		private void RadGrid1_NeedDataSource(object source, Telerik.WebControls.GridNeedDataSourceEventArgs e)
		{
			if (!e.IsFromDetailTable)
			{
				RadGrid1.DataSource = DataSourceHelperCS.GetDataTable("SELECT * FROM Customers");
			}

			RadGrid1.MasterTableView.DetailTables[0].DataSource = DataSourceHelperCS.GetDataTable("SELECT * FROM Orders");
			RadGrid1.MasterTableView.DetailTables[0].DetailTables[0].DataSource = DataSourceHelperCS.GetDataTable("SELECT * FROM [Order Details]");
		}
		
		private void Page_Load(object sender, EventArgs e)
		{
			if ( !IsPostBack )
			{
				//Setting Selected index prior to binding RadGrid:
                //If the index is in detail table, parent items will be expanded
                //automatically 
                RadGrid1.SelectedIndexes.Add(1, 0, 1, 0, 0);
                //Index of 1, 0, 2, 0, 0 means:
                //1 - item with index 1 in MasterTabelView
                //0 - detail table with index 0
                //1 - second (index 1) item in the detail table
                //0 - 0 sub-detail
                //1 - sub detail item with index 0
			}
		}
	}
}