Hi Ahsan Thanks for reply, The Error is validation of ViewState MAC failed. if this application is hosted by a web farm or cluster , ensure that configuration specifies the same validtaion and validation algorithm.Auto genarate cannot be used in a cluster. ArunVijay

Never used Telerik Reporting Check if you are giving any Default values in aspx ? Check if txtName is having different property to show text like TextBoxId.Text ? Where are you calling this function Fill_Fun ? Check the Source of your html is Telerik Reporting is Rendered or not i think one of these may have your solution Thanks and Regards Sandeep If If you look at what you do not have in life, you don't have anything, If you look at what you have in life, you have everything... " Check My Blog

How about a more meaningful subject line next time? "The clue train passed his station without stopping." - John Simmons / outlaw programmer "Real programmers just throw a bunch of 1s and 0s at the computer to see what sticks" - Pete O'Hanlon

Can you provide the source code? Are you getting an error or does it just get stuck? Current Rant: "Pope Fever!!" http://craptasticnation.blogspot.com/[^]

Could be many things. I suspect at the core, it's that you're fighting the framework, which wants to add it's own onclick handler. Either way, it seems like the ASP.NET control is superfluous here. Christian Graus Please read this if you don't understand the answer I've given you "also I don't think "TranslateOneToTwoBillion OneHundredAndFortySevenMillion FourHundredAndEightyThreeThousand SixHundredAndFortySeven()" is a very good choice for a function name" - SpacixOne ( offering help to someone who really needed it ) ( spaces added for the benefit of people running at < 1280x1024 )

Hi Arun, Read this[^] first. And this[^] was my first hit when I googled. All C# applications should call Application.Quit(); in the beginning to avoid any .NET problems.- Unclyclopedia How to use google | Ask smart questions

Second result when you search google for "asp.net fileupload". http://www.codeproject.com/KB/aspnet/fileupload.aspx[^] Mark's blog: developMENTALmadness.blogspot.com Funniest variable name: lLongDong - spotted in legacy code, was used to determine how long a beep should be. - Dave Bacher