defaultcs.aspx.cs

Telerik是很大的第三方软件制造商

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

namespace Telerik.GridExamplesCSharp.Programming.FilteringTemplateColumns
{
	public abstract class DefaultCS : XhtmlPage
	{
		protected System.Web.UI.WebControls.Button Button1;
		protected Telerik.WebControls.RadGrid RadGrid1;

		#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()
		{
			this.RadGrid1.NeedDataSource += new Telerik.WebControls.GridNeedDataSourceEventHandler(this.RadGrid1_NeedDataSource);

		}
		#endregion

		private void RadGrid1_NeedDataSource(object source, Telerik.WebControls.GridNeedDataSourceEventArgs e)
		{
			RadGrid1.DataSource = DataSourceHelperCS.GetDataTable("SELECT CustomerID, CompanyName, ContactName, ContactTitle, Address, PostalCode, Country FROM Customers");
		}
	}

	public class MyCustomFilteringColumn : GridTemplateColumn
	{
		public string DataField
		{
			get
			{
				object res = this.ViewState["_df"];
				if ( res != null )
				{
					return (string)res;
				}

				return String.Empty;
			}
			set
			{
				this.ViewState["_df"] = value;
			}
		}

		protected override void SetupFilterControls(System.Web.UI.WebControls.TableCell cell)
		{
			base.SetupFilterControls (cell);
			cell.Controls.RemoveAt(0);
			cell.Controls.AddAt(0, new TextBox());
		}

		protected override string GetFilterDataField()
		{
			return this.DataField;
		}

		protected override void SetCurrentFilterValueToControl(TableCell cell)
		{
			base.SetCurrentFilterValueToControl (cell);
			if (this.CurrentFilterValue != "")
			{
				(cell.Controls[0] as TextBox).Text = this.CurrentFilterValue;
			}
		}

		protected override string GetCurrentFilterValueFromControl(TableCell cell)
		{
			return (cell.Controls[0] as TextBox).Text;
		}

		public override bool SupportsFiltering()
		{
			return true;
		}

	}
}