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RE: BindingSource 自動產生的 SQL 敘述

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RoiLee

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Sep 12, 2006, 5:34:02 AM9/12/06
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補充：CreateTime 是 timestamp 格式 (做為時間戳記用)，在 VS2003 沒碰過。

"RoiLee" 來函：

> 請問一下，在 VS2005 的 BindingSource 自動產生的 SQL 敘述
>
> UPDATE TAB32
> SET TAB32_01 = @TAB32_01, TAB32_02 = @TAB32_02
> WHERE (TAB32_01 = @Original_TAB32_01) AND (@IsNull_CreateTime = 1) AND
> (CreateTime IS NULL) OR (TAB32_01 = @Original_TAB32_01) AND (CreateTime =
> @Original_CreateTime)
>
> 多了(@IsNull_CreateTime = 1) AND (CreateTime IS NULL) 代表的意思為何?
>

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