... String sqlText = "SELECT CategoryID, CategoryName, " + "Description FROM Categories"; da = new SqlDataAdapter(sqlText, ConfigurationSettings.AppSettings[" ;Sql_ ConnectString"]); ... SqlTransaction tran = conn.BeginTransaction( ); // Create command in the transaction with parameters. SqlCommand cmd = new SqlCommand(sqlText, conn, tran); cmd.Parameters.Add(new SqlParameter("@CategoryName", ... Description) VALUES " + "(@CategoryName, @Description)"; // Create the connection. SqlConnection conn = new SqlConnection( ConfigurationSettings.AppSettings[" ;Sql_ ConnectString"]);...