For stored procedures, you can map the input and output parameters of the stored procedure to the data setsource columns as defined in the select command.
对于存储过程，您可以将该存储过程的的输入和输出参数映射到select命令中所定义的数据集源列。
2
If you need to modify the properties for a message, for example when the message set information for source and target is different, you can do so more simply by using Map by Name.
如果您需要修改消息的属性，例如在源和目标的消息集信息不同的情况下，您只需使用Map by Name即可。
3
The CLR methods map to canonical functions, so that a specific set of methods will correctly map, regardless of the data source.