defaultcs.aspx.cs

Telerik是很大的第三方软件制造商

using System;
using System.Data;
using System.Data.OleDb;
using System.Web.UI;
using System.IO;
using System.Web.UI.WebControls;
using Telerik.QuickStart;


namespace Telerik.ComboboxExamplesCS.Templates
{
	/// <summary>
	/// Summary description for _Default.
	/// </summary>
	public class DefaultCS: XhtmlPage
	{
		protected System.Web.UI.WebControls.DataGrid DataGrid1;		
		protected Telerik.WebControls.RadComboBox RadComboBox1;		
		protected Telerik.WebControls.RadComboBox RadComboBox2;
		protected Telerik.WebControls.RadComboBox RadComboBox3;		
		
		private string FormatDate(DateTime date)
		{
			return String.Format("{0}/{1}/{2}", date.Year, date.Month, date.Day);
		}

		private void Page_Load(object sender, System.EventArgs e)
		{
			LoadSupervisors();			
		}
		
		private void LoadSupervisors()
		{
			string mdbPath = Server.MapPath("~/Combobox/Data/NWind.mdb"); 
			OleDbConnection dbCon = new OleDbConnection ("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + mdbPath); 
			dbCon.Open();
			
			string sql = "SELECT * from Employees";
			
			OleDbDataAdapter adapter = new OleDbDataAdapter(sql, dbCon);
			DataTable dt = new DataTable();
			adapter.Fill(dt);
			dbCon.Close();

			DataGrid grid = (DataGrid) RadComboBox3.SelectedItem.FindControl("SupervisorGrid");
			grid.DataSource = dt;
			grid.DataBind();
		}

		protected void FromMonthChanged(object sender, MonthChangedEventArgs e)
		{
			RadComboBox1.OpenDropDownOnLoad = true;
			RadComboBox2.OpenDropDownOnLoad = false;
		}
		
		protected void FromDateChanged(object sender, System.EventArgs e)
		{
			Calendar calendar = (Calendar) RadComboBox1.SelectedItem.FindControl("Calendar1");		
			RadComboBox1.Text = FormatDate(calendar.SelectedDate);

			RadComboBox1.OpenDropDownOnLoad = false;
		}

		protected void ToMonthChanged(object sender, MonthChangedEventArgs e)
		{
			RadComboBox1.OpenDropDownOnLoad = false;
			RadComboBox2.OpenDropDownOnLoad = true;
		}
		
		protected void ToDateChanged(object sender, System.EventArgs e)
		{
			Calendar calendar = (Calendar) RadComboBox2.SelectedItem.FindControl("Calendar2");						

			RadComboBox2.Text = FormatDate(calendar.SelectedDate);
			RadComboBox2.OpenDropDownOnLoad = false;			
		}

		// Fixing the calendar control XHTML output.
		protected override void Render(HtmlTextWriter writer)
		{
			StringWriter stringWriter = new StringWriter();
			HtmlTextWriter newWriter = new HtmlTextWriter(stringWriter);
			base.Render(newWriter);
			string pageHtml = stringWriter.ToString();
			pageHtml = pageHtml.Replace("<td align=\"Center\"", "<td align=\"center\"");
			pageHtml = pageHtml.Replace("<td align=\"Right\"", "<td align=\"right\"");
			pageHtml = pageHtml.Replace("<td align=\"Left\"", "<td align=\"left\"");
			writer.Write(pageHtml);
		}

		#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.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion
		

	}
}