# Re: A little problem. How to test the field is "Null"

Posted by Arthur on August 06, 1999 at 16:59:27:

In Reply to: A little problem. How to test the field is "Null" posted by Fai on August 06, 1999 at 16:03:45:

: I would like to use this command to display the Model No as follows:
: lblModel.Caption = IIf(Rs!Model = Null, "N/A", Rs!Model)
: However it return the false part and have the message "Invalid Use of Null".
: Now, how to test the field contain Null
: Thank you very much

改用 IsNull() 函式来判断 Unll 值

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