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Join Date: Jul 2007

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samycbe

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text box validataion

Jul 23rd, 2007

how to make a validation like vb in asp.net? I want to make a text box should only accept numeric values....

samy

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manoshailu manoshailu is offline

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Re: text box validataion

Jul 25th, 2007

hi,

To validate the numeric in the TextBox use

RegularExpressionValidator control
In Properties

Specify the control which control to validate in ControlToValidate Property.

In Text Property Specify any Error Message.

regards

shailu

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vinod varma vinod varma is offline

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Re: text box validataion

Jul 25th, 2007

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Originally Posted by samycbe

how to make a validation like vb in asp.net? I want to make a text box should only accept numeric values....

samy

friend may i know what language you are using
you want tovalidate that on client side or server side

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manoshailu manoshailu is offline

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Re: text box validataion

Jul 25th, 2007

hi,

Its a server side validation control, this control can be used in VB or C# and one more thing u have to mainly specify the Validation Expression in the control property.

Numeric Validation : \d {3,5} -----> d -Numeric Checking, {} - Size
Character Validation : \D {5,10} -----> D - Character Validation, {} - Size.

Regards
Shailu.

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kedar_challa kedar_challa is offline

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Re: text box validataion

Jul 25th, 2007

Hi,

I would suggest you to use "MaskedEdit" control from ajax toolkit. here is the link.

http://ajax.asp.net/ajaxtoolkit/Mask...askedEdit.aspx

Thanks,

KedarNath Challa

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jamello

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Re: text box validataion

Jul 27th, 2007

If the intention is only to make the textbox accept only numeric values, just very simply use the Isnumeric function.

that is

 Help with Code Tags 
 ASP.NET Syntax (Toggle Plain Text) 
 
if not Isnumeric(textbox.text) then
 'do stuff like forcing retyping of content
end if
 
 
if not Isnumeric(textbox.text) then
 'do stuff like forcing retyping of content
end if

Hope this helps.

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mail2saion mail2saion is offline

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Re: text box validataion

Apr 10th, 2009

HI,
HOPE THE BELOW LINK WILL HELP READERS A LOT FOR CROSS-BROWSER NUMERIC VALIDATION:
http://shawpnendu.blogspot.com/2009/...isnumeric.html

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buddylee17 buddylee17 is offline

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Re: text box validataion

Apr 10th, 2009

mail2saion, many thanks for bumping this thread to promote your blog.

Lost time is never found again.
- Benjamin Franklin

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Join Date: Nov 2006

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nil

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Re: text box validataion

Apr 12th, 2009

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Originally Posted by samycbe

how to make a validation like vb in asp.net? I want to make a text box should only accept numeric values....

samy

Hi,
First of all you need validation for textbox and you want user to enter only numeric values. So rather than allowing user to enter something and check it whether it is numeric or not is not good approach. I believe prevention is better than cure.

So you can Use FilterTextboxExtender that comes with AjaxToolkit. Please have a look at this demo

I hope this will solve your problem. You can use other tools also, they are very useful.

Happy Programming!!

Regards,
Nil
"If you like me raise your hand, if not raise your standard"