General information
Category:
Databases,Tables, Views, Indexing and SQL syntax
Yes, in add mode, the CurVal() and OldVal() will return null all. I find out this fact just before.:-)
But, to my question, I am sure it's not in add mode.When i was test, i just changed one or more characters of the text which has existed in my textbox .When i press the entry, the problem happened.:-(
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