Empty String Check in Trigger

Posted by Asim Sajjad on Stack Overflow See other posts from Stack Overflow or by Asim Sajjad
Published on 2010-04-05T09:30:08Z Indexed on 2010/04/05 9:33 UTC
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How can I check the empty string in triggers

<Trigger Property="Source" SourceName="ControlName"  Value="">
     <Setter Property="Height" Value="0" TargetName="ControlName" />
</Trigger>

I have set the Height of the Control to 0 if the source of the imageControl is empty stirnr or not set? How can I do it, Basically If the image is not set then I want to hide the image control in the template. thanks in advance.

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Empty String Check in Trigger - Developer IT

Empty String Check in Trigger

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