Mega Code Archive
Pass a CommandBehavior CloseConnection parameter to the ExecuteReader() method
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This parameter causes the database connection associated with the SqlDataReader to close automatically
after all the records have been fetched from the SqlDataReader.
File: App_Code\Product.cs
using System;
using System.Data;
using System.Data.SqlClient;
using System.Web.Configuration;
using System.Collections.Generic;
public class Product
{
private static readonly string _connectionString;
public SqlDataReader GetAll()
{
SqlConnection con = new SqlConnection(_connectionString);
SqlCommand cmd = new SqlCommand("SELECT Title,Director FROM Products", con);
con.Open();
return cmd.ExecuteReader(CommandBehavior.CloseConnection);
}
static Product()
{
_connectionString = WebConfigurationManager.ConnectionStrings["Products"].ConnectionString;
}
}
File: ShowProduct.aspx
<%@ Page Language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
<title>Show Product</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:GridView
id="grdProducts"
DataSourceID="srcProducts"
Runat="server" />
<asp:ObjectDataSource
id="srcProducts"
TypeName="Product"
SelectMethod="GetAll"
Runat="server" />
</div>
</form>
</body>
</html>
File: Web.config
<configuration>
<connectionStrings>
<add name="Products"
connectionString="Data Source=.\SQLEXPRESS;
AttachDbFilename=|DataDirectory|MyDatabase.mdf;Integrated Security=True;User Instance=True" />
</connectionStrings>
</configuration>
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