grid view problem

can i use following code without gridview_rowdatabound event? how and where?

 protected void GridView2_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        if (e.Row.RowType == DataControlRowType.DataRow)
        {
            string hotelname = e.Row.Cells[4].Text;
            string roomtype = e.Row.Cells[5].Text;
            string AminID = e.Row.Cells[10].Text;
            string Aminitiesval = " ";
            Aminitiesval = Aminitiesval + "" + AminID + "" + ",";
            e.Row.Cells[10].Text = Aminitiesval;
        }
    }