Creating SQL connection in ASP.NET C#

If you want to perform database operations from your ASP.NET website/application, Please use below code to connect and perform operations:

SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["<<YourConnectionStringKey>>"].ToString());
SqlCommand cmd = new SqlCommand();
SqlDataAdapter da = new SqlDataAdapter(); 
        cmd.Connection = con;
        cmd.CommandText = "<<Your Query Here>>"
 DataSet ds = new DataSet();

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