Connection tester : SqlConnectionStringBuilder « ADO.net Database « ASP.NET Tutorial
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- ADO.net Database
- SqlConnectionStringBuilder
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="TestConnection" %>
<!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>Testing the Connection</title>
</head>
<body>
<form id="form1" runat="server">
<div id="container">
<h1>Testing the Connection</h1>
This example tests the <code>Connection</code> class.
<asp:Label ID="labMsg" runat="server" />
</div>
</form>
</body>
</html>
File: Default.aspx.cs
using System;
using System.Data;
using System.Configuration;
using System.Collections;
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;
using System.Data.OleDb;
using System.Data.SqlClient;
using System.Web.Configuration;
public partial class TestConnection : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
SqlConnectionStringBuilder builder = new SqlConnectionStringBuilder();
builder.DataSource = "localhost";
builder.InitialCatalog = "Northwind";
builder.IntegratedSecurity = true;
string connString = builder.ConnectionString;
SqlConnection conn = null;
try
{
conn = new SqlConnection(connString);
conn.Open();
labMsg.Text = "State of Connection: " + conn.State;
}
catch (Exception ex)
{
labMsg.Text = "Error occurred accessing the database";
labMsg.Text += "<br/>" + ex.Message;
}
finally
{
if (conn != null)
conn.Close();
}
}
}