Posted by Paul on 04/20/07 11:13

Hi,

I would do it using a procedure as follows:

CREATE PROCEDURE GetFieldValue
@strTableName VARCHAR(250),
@strFieldName VARCHAR(250),
@nID DECIMAL(9,0),
@strResult VARCHAR(250) OUTPUT
AS
BEGIN
DECLARE @strSQL NVARCHAR(4000)

SET @strSQL = 'SELECT @strResult = ' + @strFieldName
+ ' FROM ' + @strTableName
+ ' WHERE ID = ' + CAST (@nID AS VARCHAR(9))

EXEC sp_executesql @strSQL,
N'@strResult VARCHAR(250) OUTPUT',
@strResult OUTPUT
END
GO

And then execute it in a way like this:

DECLARE
@strValue VARCHAR(250)

BEGIN

EXEC dbo.GetFieldValue 'TABLE1', 'COLUMN1', 1, @strValue OUTPUT

PRINT @strValue
END
GO

Obviously the print is just to ensure that you have the correct value.
This may not be the best way, but it's a way that works for me.

Hope this helps,

Paul

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