Dropdowlist in Gridview footer not populating
if (!IsPostBack)
        {

            GridViewRow FooterRow = (GridViewRow)grdTime.FooterRow;

            if (FooterRow != null)
            {
                QuartersTableAdapter Quarters = new QuartersTableAdapter();

                DropDownList ddMonStart = (DropDownList)FooterRow.FindControl("ddMonStart");

                ddMonStart.DataSource = Quarters.GetQuarters();
                ddMonStart.DataTextField = "QuarterHour";
                ddMonStart.DataValueField = "QuarterHour";
                ddMonStart.DataBind();
            }
        }

if(e.Row.RowType == DataControlRowType.Footer)