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I think I found a bug in VS 2005 Datasets

If you use the Dataset editor to create a "new stored procedure" that
returns an single integer, it creates a matching method in the
TableAdapter that returns an object. If you delete the method, then
add a query that uses an "existing stored procedure" and select the
*exact same SP*, and tell the wizard that it returns a single value,
the created method returns a nullable int. I don't think this is
supposed to happen.


Add --Query --New stored procedure --SELECT which returns a
single value

SELECT MIN(fooId) FROM dbo.tblFoo
WHERE fooName = @fooName;

Name the SP FindFoo, and call the function the same thing.

The generated function (tblFooAdapter.FindByName) will have return
type "object", even though if you go into the Parameters collection
editor for the function, @RETURN_VALUE has type provider Int.
Now, delete FindFoo from your TableAdapter. Add --Query -->
Existing stored procedure. Select FindFoo, tell the wizard that it
returns a single value, enter a function name. Your new function will
return a Nullable<intinstead of an object. Bug?
Apr 3 '08 #1
0 854

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