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Get the value from second page of gridview multiselect

Posted By:      Posted Date: September 30, 2010    Points: 0   Category :ASP.Net


I am implementing a gridview multiselect using checkboxes.

bit  iam stuck at a point where if a user select all i want all the rows to be selected [second ,third page] but i am not how to get the datakey value of the second page.

since the row index always start with 0 for all pages



 GridViewRow header = (GridViewRow)GridView1.HeaderRow;
                CheckBox Cbx = (CheckBox)(header.FindControl("SelectAll_cbx"));
                string str = "";
                if (Cbx.Checked == true)
                    string s = "";
                    for (int i = 0; i < GridView1.PageCount; i++)
                        foreach (GridViewRow row in GridView1.Rows)
                            CheckBox Cb = (CheckBox)GridView1.Rows[row.RowIndex].FindControl("Selection_cbx");
                            if (Cb != null)

                                if (Cb.Checked == true)

                                    string rec_code = GridView1.DataKeys[0].Value.ToString(); ;

                                    s = s + "," + rec_code;

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