Cache ASP.Net Tutorial

  1. Home
  2. ASP.Net Tutorial
  3. Cache
  4. SqlDependency (C#)
<%@ Page Language="C#" AutoEventWireup="true"  CodeFile="Default.aspx.cs"  Inherits="_Default" %>



    Untitled Page


    
    

        
        
    
    

    


File: Default.aspx.cs
using System;
using System.Data;
using System.Data.SqlClient;
using System.Web.Caching;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
public partial class _Default : System.Web.UI.Page 
{
    protected void Page_Load(object sender, EventArgs e)
    {
        Response.Write("Page created: " + DateTime.Now.ToLongTimeString());
        string connStr = ConfigurationManager.ConnectionStrings["AppConnectionString1"].ConnectionString;
        SqlDependency.Start(connStr);
        SqlConnection connection = new SqlConnection(connStr);
        SqlCommand command = new SqlCommand("Select * FROM Customers", connection);
        SqlCacheDependency depends = new SqlCacheDependency(command);
        
        connection.Open();
        GridView1.DataSource = command.ExecuteReader();
        GridView1.DataBind();
        connection.Close();
        Response.AddCacheDependency(depends);
    }
}
File: Web.config