Asp – Page postback even after showing validation summary

asp.netvalidation

I have a masterpage, having same old header, footer and content sections. I have different aspx pages bases on this masterpage. But each aspx contains a web user control.

For ex. MasterPage -> SiteMaster.master,
ASPX -> CreateBid.aspx,
Web Control -> CreateBid.ascx.

I have used validation controls within web controls showing validation summary within the same control.
The problem here is that, the page postbacks even if validation fails. The validation summary is also shown, but page is postbacked.

Could someone help me why this is happening?

Although the page is postbacked, no code is executed. For ex. If i am clicking on Submit button, nothing is submitted, i could see the validation summary or messagebox but the page is refreshed. If i am considering simple aspx without masterpage the validation works perfectly without page refresh.

Thanks for sharing your valuable time.

Best Answer

Hai Raza,

Have a look at this it may be your answer Validators on postback

Related Solutions

ASP.Net validation summary causes page to jump to top

Two possible work arounds:

Disable client validation and jump to correct position on post back:

* set EnableClientScript="false" for all validation controls (disabling client validation)
* set MaintainScrollPositionOnPostback="true" in Page directive

Disable the scrollTo function in javascript:

<script type="text/javascript">
    window.scrollTo = function() { }
</script>

ASP.NET page validation

Validators form part of the page on which they lie. You cannot use the built-in validator controls to validate input fields on previous pages in the sequence. If you must do it this way, then you should implement your own validation framework which validates data on each page, but provides feedback on the summary page.

You should look into the usability issues faced if you only give feedback to the user at the end of the sequence of pages. He/she will be required to go back a few pages and retry input there. I don't think that is a good option at all.

A much better option would be to use the ASP.NET Wizard control (which loads sequential UI in separate panels, but on the same page). That would enable you to use Validators in conjunction with your setup. This article by Steve C. Orr provides a good introduction to using Validators with the Wizard control.

Alternatively, you can use the AJAX Tab control as others have suggested.

Related Topic

R – Validation controls not applicable to web custom controls in asp.net