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Set focus on erronous control on validation inside ajax tabcontrol having 5 tab

Posted By:      Posted Date: October 10, 2010    Points: 0   Category :ASP.Net

Hiii.. Everybody

How to set the focus on textbox when requiredfield validator error mesage comes to action inside the ajax tabcontrol.The ajax tabcontrol is having 5 tabs.The submit button is in 5th tab .I have reqiredfield validator for textbox  in 1st tab.I want to set the focus on textbox if validation fails.Is it possible to get without postback????

Is there anyone can help me out ????

Thanks in advance

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