private void LoadTree() { try { string DeptCode = "CHG"; DataTable dtDepartment = objCP.GetFolderId(DeptCode, GetSessionUserID()); if (dtDepartment.Rows.Count > 0) { btnAdd.Visible = true; ddlDepartment.DataSource = dtDepartment; ddlDepartment.DataTextField = dtDepartment.Columns[1].ToString(); ddlDepartment.DataValueField = dtDepartment.Columns[0].ToString(); ddlDepartment.DataBind(); ddlDepartment.Items.Insert(0, "--Select--"); } else { btnAdd.Visible = false; } } catch { } }