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Home » Resources » Validation Numeric text box and letters text box using java script

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Validation Numeric text box and letters text box using java script

03 Dec, 2009

Author: ahmed mohamed magdi

Summary
Validation Numeric text box and letters text box using java script

.NET Classes used :

none

just copy and paste the follwing code in the HTML page

then add the follwing code to the form load event

Me.txt_Numbers.Attributes.Add(onkeypress, return isNumberKey(event))
-
or the follwing code for the letters textboxes
-

-
then add the follwing code to the form load event
Me.txt_Letters.Attributes.Add(onkeypress, return isNumberKey(event))
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Please note the u can post it inside if condetion for the ispostback like

if not isPostBack Then
Me.txt_Letters.Attributes.Add(onkeypress, return isNumberKey(event))

Me.txt_Numbers.Attributes.Add(onkeypress, return isNumberKey(event))

end if

and it will work just fine

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