Question

我在表适配器中有一个insert语句，但它一直返回1，而不是新插入的行的id。为什么呢？

Dim TA As New pTableAdapters.householdsTableAdapter
lblResult.Text = TA.Insert(New Guid("32dd20eb-1691-457b-9ff5-fc41d687e578"), Trim(Title), 0, "add", "addr2", _
            "4544", "london", "ld", 0, "", Date.Now)

表适配器中的insert语句：

INSERT INTO households (userid, title, side, address, address2, zipcode, city, state, country, notes, createdate) VALUES (@userid,@title,@side,@address,@address2,@zipcode,@city,@state,@country,@notes,@createdate);SELECT CAST(scope_identity() AS int)

Answer 1

从以下链接：http://blogs.msdn.com/b/smartclientdata/archive/2005/10/31/returnidentityvaluequery.aspx

...还有最后一个重要部分：在DataSet Designer中选择新查询，并将ExecuteMode属性从NonQuery更改为Scalar。 ...

NonQuery将返回受影响的行数（因此您总是得到1），而Scalar模式返回所选的值本身。

从表适配器插入命令返回新的标识值

1 个答案: