Microsoft TableAdapter methods that "Retun No Value" use ExecuteNonQuery which returns the rows affected. This Snippet returns the value from one of the command parameters on a TableAdapter. dtNonQueryOutParam

methodName String Replace with the name of the new method you wish to expose on the TableAdapter. GetNonQueryOutputParameter existingMethod String Replace with the existing ExecuteNonQuery method on the TableAdapter. GetCustomerCount commandIndex Int Replace with the index of the command in the TableAdapter _commandCollection. Hint: Select Go To Definition on the existing method to determine the index. 1 parameterIndex Int Replace with the index of the parameter that you wish to return. Hint: Use the DataSet designer to determine the index of the parameter on the query of the TableAdapter. 1