public HeaderForm() { InitializeComponent(); this.CenterToParent(); OfficeDDL.DataSource = XLDocument.GetList("Office"); OfficeDDL.DisplayMember = "name"; OfficeDDL.ValueMember = "dbTag"; DeptDDL.DataSource = XLDocument.GetList("Footer"); DeptDDL.DisplayMember = "name"; DeptDDL.ValueMember = "dbTag"; }