GridView - SortExpression

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I have used SortExpression in all of my columns in Grid View. When I Sort any of the column and than do edit of the column ,the page gets Postback(It needs to be postback in my case)and It displays me the old value selected for editing, before Sorting. Sorting is not maintained after PostBack. I think that to maintain Sorting after Postback will be helpful but I am not getting it.
Please help me how to do that or if you have any new way to do.

Posted 4-May-12 1:48am

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Sandeep Mewara · Answer 1 · 2012-05-04T03:02:00

You have to store the sortexpression locally such that whenever there is postback you can re-apply the same.

Try:

C#

public string SortExpression {
    get {
        if (ViewState("SortExpression") == null) {
            ViewState("SortExpression") = "LastName ASC";
        }
        return ViewState("SortExpression").ToString;
    }
    set { ViewState("SortExpression") = value; }
}

Apply this SortExpression every time you load/populate your gridview.