Try the following code, it should get you started:

SqlCommand cmd = new SqlCommand("usp_Table_Action");

cmd.CommandType = CommandType.StoredProcedure;

SqlParameter param = new SqlParameter("@ReturnCode", SqlDbType.Int);

param.Direction = ParameterDirection.ReturnValue;

cmd.Parameters.Add(param);

Another very important reason for using parameters that I didn't see covered in the article is that of security. Using parameters provides a very important layer of defence to...