how to connect database using asp.net

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I am just checking database connection in my system... But i got the error like this...
Error:System.ComponentModel.Win32Exception: The system cannot find the file specified

My Code is..
DEFAULT.ASPX:

<asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="Button" />

DEFAULT.ASPX.CS:

C#

using System.Data;
using System.Data.OleDb;
using System.Data.SqlClient;

protected void Button1_Click(object sender, EventArgs e)
{
string connectionString = "Data Source=User-PC;Initial Catalog=master;uid=sa;pwd=picme123; Integrated Security=True";
SqlConnection conn = new SqlConnection(connectionString);
conn.Open();
Response.Write("Connected");
conn.Close();
}

Pls any one help me.. I think i have a problem in my webconfig... how to rectify this..

Posted 24-Jul-14 0:17am

Member 10463904

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Manoj Kumar Choubey · Answer 1 · 2014-07-24T00:34:00

Solution 1

Put try catch

and in try catch you should put following code

C#

if(conn.Connection != ConnectionState.Closed)
{

conn.Connection.Close();
conn.Dispose();
}

Posted 24-Jul-14 0:34am

Manoj Kumar Choubey

v2

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Member 10463904 24-Jul-14 7:46am

pls send full cod for db connection using try catch method