defaultcs.aspx.cs

Telerik是很大的第三方软件制造商

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using Telerik.QuickStart;
using Telerik.WebControls;

namespace Telerik.CallbackExamplesCSharp.Functionality.LoadUnloadWebControls
{
	/// <summary>
	/// Summary description for _Default.
	/// </summary>
	public class DefaultCS: XhtmlPage
	{
		protected System.Web.UI.WebControls.Panel Panel1;
		protected Telerik.WebControls.CallbackButton Button1;
		protected Telerik.WebControls.CallbackCheckBoxList CheckBoxList1;
		protected Telerik.WebControls.CallbackDropDownList ddlCountry;
		protected System.Web.UI.WebControls.Label Label1;
		protected Telerik.WebControls.LoadingPanel LoadingPanel1;
		protected System.Web.UI.HtmlControls.HtmlImage Img1;
		protected System.Web.UI.HtmlControls.HtmlImage Img2;
		protected Telerik.WebControls.CallbackRadioButtonList CallbackRadioButtonList1;

		private void Page_Load(object sender, System.EventArgs e)
		{
			// Put user code to initialize the page here
		}

		#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);
		}
		
		/// <summary>
		///		Required method for Designer support - do not modify
		///		the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			this.CallbackRadioButtonList1.SelectedIndexChanged += new System.EventHandler(this.CallbackRadioButtonList1_SelectedIndexChanged);
			this.Button1.Click += new System.EventHandler(this.Button1_Click);
			this.CheckBoxList1.SelectedIndexChanged += new System.EventHandler(this.CheckBoxList1_SelectedIndexChanged);
			this.ddlCountry.SelectedIndexChanged += new System.EventHandler(this.ddlCountry_SelectedIndexChanged);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion
		
		private void CallbackRadioButtonList1_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			switch (CallbackRadioButtonList1.SelectedIndex)
			{
				case 0: 
				{
					Button1.Visible = true;
					CheckBoxList1.Visible = false;
					ddlCountry.Visible = false;
					break;
				}
				case 1:
				{
					Button1.Visible = false;
					CheckBoxList1.Visible = true;
					ddlCountry.Visible = false;
					break;
				}
				case 2:
				{
					Button1.Visible = false;
					CheckBoxList1.Visible = false;
					ddlCountry.Visible = true;
					break;
				}
			}
			UpdateLabel();
		}

		private void UpdateLabel()
		{
			Label1.Text = string.Empty;
			if (ddlCountry.Visible)
			{
				Label1.Text = ddlCountry.SelectedItem.Value;
			}
			else if (CheckBoxList1.Visible)
			{
				Label1.Text = string.Empty;				
				foreach (ListItem item in CheckBoxList1.Items)
				{
					if (item.Selected)
					{
						Label1.Text += item.Text + " ";
					}
				}				
			}
							
		}

		private void ddlCountry_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			UpdateLabel();			
		}

		private void Button1_Click(object sender, System.EventArgs e)
		{
			Label1.Text = "Submitted.";
		}

		private void CheckBoxList1_SelectedIndexChanged(object sender, System.EventArgs e)
		{			
			Label1.Text = string.Empty;
			foreach (ListItem item in CheckBoxList1.Items)
			{				
				if (item.Selected)
				{
					Label1.Text += item.Text + " ";

				}
			}			
		}		
	}
}