Prevent PostBack

[Jonathan Wood]

I have an image button on my page that runs some javascript:

<asp:ImageButton runat="server" id="ImageButton3"
ImageUrl="Graphics/Help.png" AlternateText="Help"
onclientclick="javascript:ShowHelp('help_rent.aspx')" />

ShowHelp() is a function that I create that calls window.open().

It works okay--it pops up a separate help window with content from another
page--but it also refreshes the current page, which I want to prevent.

How do I stop the default behavior?

Jonathan

 

[bruce barker]

onclientclick="ShowHelp('help_rent.aspx');return false;" />

-- bruce (sqlwork.com);

 

[Jonathan Wood]

Works! Thanks.

 

[Jonathan Wood]

Wow. Active group. Thanks.

 

[Cowboy \(Gregory A. Beamer\)]

You can have ShowHelp() return false, as well.

 

[Jonathan Wood]

And I assume you mean to change the call to onclientclick="javascript:return
ShowHelp('help_desc.aspx')"

Thanks.

 

[Cowboy \(Gregory A. Beamer\)]

Pretty much anything that sends back a false will interrupt the postback.