>I have a field textbox in a grid that, if the user make some changes, I want to fire some code.
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>I don't want to fire that code if no change occured in the textbox. Right now, I have put the code in the Valid() event so it is fired each time.
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>Usually, I create a form property that contain the value of the field which can then be compared at the Valid() level with the new value of the textbox and see if changes occured.
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>Is there a better way to do that without having to use a form property?

why not compare this.value with table.fieldname?