获取当前行

  for (int i = 0; i<=GridView1.Rows.Count - 1; i++)
            {
                DataRowView dv = ds.Tables[0].DefaultView[i];
                lbl = (Label)GridView1.Rows[i].FindControl("Label1");
                if (lbl.Text.Trim() == "1")
                {
                    lb = (LinkButton)GridView1.Rows[i].FindControl("LinkButton1");
                   lb.Text ="已审核";
                }
                else if (lbl.Text.Trim()== "-1")
                {
                    lb = (LinkButton)GridView1.Rows[i].FindControl("LinkButton1");
                    lb.Text =  "未审核";
                }
               /**//* else if(Convert.ToString(dv["state"])=="0")
                {
                    lb = (LinkButton)GridView1.Rows[i].FindControl("LinkButton1");
                   lb.Text = "过期";
                }*/
            }

 LinkButton lb = (LinkButton)sender;
        DataControlFieldCell dcf = (DataControlFieldCell)lb.Parent;
        GridViewRow gvr = (GridViewRow)dcf.Parent;
        GridView1.SelectedIndex = gvr.RowIndex;

        string picadid = GridView1.DataKeys[GridView1.SelectedIndex].Value.ToString();//获取当前行的关键值