在winform程序开发中，涉及到对某个表的组合查询时会到数据库中提取表的字段名和说明，以便于用户选择查询，在C#中使用语句比较麻烦，写到存储过程中就比较方便了。
USE [schoolDB] GO /****** Object: StoredProcedure [dbo].[sp_showcolumn] Script Date: 06/03/2016 16:45:26 ******/ SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO ALTER proc [dbo].[sp_showcolumn] @tablename varchar(30) as select c.name as 字段名,p.value as 说明 from sysobjects o left join syscolumns c on o.id=c.id left join sys.extended_properties p on p.major_id=c.id and p.minor_id=c.colid and p.name='MS_Description' left join systypes t on c.xusertype=t.xusertype where o.type='u' and o.name=@tablename
查询更多信息的sql语句：
select o.name as tableName,c.name as columnName,t.name as columnType,p.value as columnDescription from sysobjects o left join syscolumns c on o.id=c.id left join sys.extended_properties p on p.major_id=c.id and p.minor_id=c.colid and p.name='MS_Description' left join systypes t on c.xusertype=t.xusertype where o.type='u' and o.name='cdxmain'
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