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Thread: Textbox MaxLength property

Frank Chaffin
Posts: 475

Textbox MaxLength property Your last visit to this thread was on 1/1/1970 12:00:00 AM

Posted: 20 Mar 08 12:48 PM

Under v7.2.1 the MaxLength property for TextBox object does not seem to work if MultiLine = True.

Has anyone used the property?

[Reply][Quote]

Steve Knowles
Posts: 657

Re: Textbox MaxLength property Your last visit to this thread was on 1/1/1970 12:00:00 AM

Posted: 21 Mar 08 1:48 PM

I am seeing the same results. A quick google turned up this: http://www.codeproject.com/KB/custom-controls/textlengthvalidator.aspx - Looks like an asp.net limitation as opposed to an slx limitation.

Actually what happens is that the asp.net multiline textbox gets rendered as an HTML text area that has no maxlength property. So another method must be used like javascript or this RegularExpressionValidator - where the 200 is the length you want to limit - this control will fire on a postback, so it doesn't actually limit how much people can type but will let them know they typed too much when exiting the control:
(Leading Less sign omited as forum want to render as a tag.)
asp:RegularExpressionValidator ID="txtConclusionValidator1" ControlToValidate="txtAddContactEmail" Text="Exceeding 200 characters" ValidationExpression="^[\s\S]{0,200}$" runat="server" />

[Reply][Quote]

Frank Chaffin
Posts: 475

Re: Textbox MaxLength property Your last visit to this thread was on 1/1/1970 12:00:00 AM

Posted: 21 Mar 08 3:21 PM

Steve,

Thanks for the information. I guess SLX is off the hook on the one.

[Reply][Quote]

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