奇怪的问题，用查询分析器执行视图可以得到结果，但为什么在delphi里用table调用却不行了？还有错误提示！！！！(100分)

数据库是ms sql server
错误信息如下：
限制数据类型属性冲突

视图如下：
SELECT tb.*, Son1.theName AS mobAtComType,
dbo.view_MobileAtCom.ComName AS mobAtCom
FROM (SELECT dbo.mobIn.*, dbo.SysUser.userName AS opMan,
dbo.mobileHouse.mobAtComTypeID AS mobAtComTypeID,
dbo.mobileHouse.mobAtComID AS mobAtComID
FROM dbo.mobIn LEFT OUTER JOIN
dbo.SysUser ON
dbo.mobIn.opManID = dbo.SysUser.userID LEFT OUTER JOIN
dbo.mobileHouse ON dbo.mobIn.mobCode = dbo.mobileHouse.mobCode)
tb LEFT OUTER JOIN
dbo.DataOneMixSon Son1 ON tb.mobAtComTypeID = Son1.sonID LEFT OUTER JOIN
dbo.view_MobileAtCom ON CONVERT(varchar(10), tb.mobAtComTypeID)
+ 'AND' + CONVERT(varchar(10), tb.mobAtComID) = dbo.view_MobileAtCom.DoubleID

用 TQuery 或 TStoredProc 试试呢？？