The following code with alternating background I have shows up fine in Chrome and Firefox but not IE9:
If IE9 does support it, what am I missing?

Here is the output in Chrome and in IE9 respectively. Notice the grayish background missing on IE9


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Internet Explorer, or any other browser for that matter, has no knowledge of
AlternatingItemTemplate. It’s part of a server-side control. ASP.NET renders theAlternativeItemTemplate‘s contents when it’s an alternate row.As far as your background color not working, I recommend using the Developer Tools and tracing the style to determine why it isn’t visible.