combostreamer.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 System.Data.OleDb;
using Telerik.WebControls;

namespace CompliantQsf.Combobox.Examples.Functionality.ComboInGrid
{
	/// <summary>
	/// Summary description for ComboStreamer.
	/// </summary>
	public class ComboStreamer : System.Web.UI.Page
	{
		protected Telerik.WebControls.RadComboBox RadComboBox1;
	
		private void Page_Load(object sender, System.EventArgs e)
		{			
		}

		#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.RadComboBox1.ItemsRequested += new Telerik.WebControls.RadComboBoxItemsRequestedEventHandler(this.RadComboBox1_ItemsRequested);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void RadComboBox1_ItemsRequested(object o, Telerik.WebControls.RadComboBoxItemsRequestedEventArgs e)
		{			
			RadComboBox1.Items.Clear();

			string mdbPath = Server.MapPath("~/Combobox/Data/NWind.mdb"); 
			OleDbConnection dbCon = new OleDbConnection ("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + mdbPath); 
			dbCon.Open();

			string text = e.Text;
			string sql = "SELECT * from Customers WHERE CompanyName LIKE '" + text + "%'";		
			
			OleDbDataAdapter adapter = new OleDbDataAdapter(sql, dbCon);
			DataTable dt = new DataTable();
			adapter.Fill(dt);
			dbCon.Close();
			
			foreach (DataRow row in dt.Rows)
			{
				RadComboBoxItem item = new RadComboBoxItem(row["CompanyName"].ToString());
				item.Value = row["CompanyName"].ToString();
				RadComboBox1.Items.Add(item);
			}
		}

	}
}