Format Mask on textbox Date dd/mm/yyyy

Posted on 2006-11-19
Last Modified: 2007-12-19
Dear Experts.

I am using ASP.NET2.0, C#.
I want to make Format mask. on a textbox that only Accepts Date format dd/mm/yyyy throught JavaScript.

so please can you Help me.
Question by:RamyBouchra
LVL 29

Expert Comment

ID: 17975129
Have a look at:,339024692,320273671,00.htm

Although to be perfectly honest I would recommend the datepicker instead - it's easier to work with, and far simpler if you are concerned with globalisation.

Expert Comment

ID: 17977451

Expert Comment

ID: 17978976

 you can do this through regular expressions. to validate the date  just drag and drop a regular expression validator and set the following property to it.
RegularExpressionValidator1.ValidationExpression =

 this would solve your problem....
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Author Comment

ID: 17979085
Hi Experts,

Thanks for your reply.
But, I need a kind of masking for the date, like enter numbers only and for day just enter 2 numbers and for month two numbers only and year 4 numbers.

Thank You,
Steven Metias

Accepted Solution

jay_gadhavi earned 500 total points
ID: 17985047
U can use onkeypress event on the textbox where u enter the dd mm and yyyy.
with the onkeypress event call the javascript functiion which count the length of the textbox value and if it is valid then the number you have pressed should be show in the textbox and if the length like example dd is more then 2 then give the alert message.
I hope u understood.
Try to do.

Expert Comment

ID: 17985072
U can also set the maximum length of the text box  like as
 <input type="text" name="testDateFormat5" size='10' maxlength="10"  onkeypress=".......">
U can use the following ref for you leangth validation

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