... Transactions with the SQL Server .NET Data Provider Problem You need to create a nested transaction using the SQL Server .NET data provider, but the Begin( ) command that you need is only available with ... filling a DataTable with the Categories table from the Northwind sample database. The default view of the table is bound to a data grid on the form. Insert Button.Click Inserts user-entered data ... command in the transaction with parameters. SqlCommand cmd = new SqlCommand(sqlText, conn, tran); cmd.Parameters.Add(new SqlParameter("@CategoryName", SqlDbType.NVarChar, 15));...