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C# - Paging In Gridview In Webform

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i am paging my grid view datas. now am on 3rd page of gridview. in 3rd page i have list of buttons in each rows. when i click on one button it goes to another webpage. where i edit datas and save. when i click on save it comes back to page having grid..which loads from 1st page of grid...i want to load the 3rd page of gridview itself.

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