Retricting TextBox input

P

Paul Jarvis

I have numerous TextBoxes inside a web form.

Please can anyone tell me how to make sure once some text (a number for e.g.) is placed in into a TextBox, then if the same number is placed into another TextBox, an error message is shown.

Thanks in advance

Paul Jarvis
The University of Manchester

Paul Jarvis
PhD Student
The School of Community Based Medicine
The University of Manchester
 

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