help about oledb connection in .net c# connection with sql server 2008r2

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.NET

.NET4.5

hello i have to connect sql server from .net using c# and this connection should be oledb type i have done it with sqlclient but now i want the same result from oledb connection so can anybody please send me proper code for the same this code can do in sqlclient ..... i want answer for oledb connection

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Data.SqlClient;

/// <summary>
/// Summary description for Class1
/// </summary>
public class Class1
{
    public SqlConnection con;
	public Class1()
	{
        con = new SqlConnection("data source=DEESH-PC\\SQLEXPRESS; database=tcs_db; integrated security=true");
		//
		// TODO: Add constructor logic here
		//
	}
}