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Triggers on text fields

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Posted - 2001-11-21 : 11:23:39

Alena writes "Hi,
I need to set up an insert/update trigger on a text field, but when I try to do that, I get an error message: Cannot use text, ntext, or image columns in the 'inserted' and 'deleted' tables.
My code looks like this (the names have been changed to protect their privacy):


CREATE TRIGGER MyTrigger ON [dbo].[MyTable] 
FOR INSERT, UPDATE
AS
    IF UPDATE (MyTextDataField)
    BEGIN
        IF (SELECT MyTextDataField FROM inserted) LIKE '' 
        BEGIN
            ROLLBACK TRANSACTION
            PRINT 'Cannot save empty data'
        END
    END

Could you please help? Thank you!!!"

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