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getting page refresh after specific time

Posted By:      Posted Date: April 10, 2011    Points: 0   Category :ASP.Net
Dear All, when I wanted to automatic refresh page that time i putted a line as below Response.AppendHeader("Refresh", "30"); in my page Load event. but now I don't want to refresh page so that i comment that line but still my page getting postback after specific time. so please tell me what can i do for this thanks...

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