protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
e.Row.Cells[0].Width = new Unit("100px");
e.Row.Cells[1].Width = new Unit("170px");
e.Row.Cells[2].Width = new Unit("52px");
e.Row.Cells[3].Width = new Unit("60px");
}
}