Broken TreeView lines in IE7

ISSUE:
Using a TreeView control in a web app. It looks fine in IE6, but in IE7, the vertical lines that appear when you expand a node are broken. There are a few black pixels then a few white pixel then a few black pixels, etc

RESOLUTION:


This issues seems to be related to xhtml;

Page should be HTML 4.0 compliant. Means your aspx page DOCTYPE should have HTML 4.0 Transitional.

Let me know if you face any issue.

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