У вашего броузера проблема в совместимости с HTML5
This Tutorial Shows you how to Create Watermark Textbox Using VB.Net. You can Use 2008 or 2010. Just Scroll down Below to Check out the 2010 Express Version of VB.Net.
The Code Files:
http://www.mediafire.com/?5eic204vduphpsp
VB.Net 2010 Express Edition:
http://www.microsoft.com/visualstudio/eng/downloads#d-2010-express
If you get any Problem, Feel Free to ask!
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