■ GridView 클래스의 MasterRowGetChildList 이벤트를 사용해 상세 내역을 동적 로드하는 방법을 보여준다.
▶ MainForm.cs
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using System.Collections.Generic; using System.Data.OleDb; using System.Windows.Forms; using DevExpress.Utils; using DevExpress.XtraEditors; using DevExpress.XtraGrid; using DevExpress.XtraGrid.Views.Base; using DevExpress.XtraGrid.Views.Grid; namespace TestProject { /// <summary> /// 메인 폼 /// </summary> public partial class MainForm : XtraForm { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 연결 /// </summary> private OleDbConnection connection; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); this.connection = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=nwind.mdb"); #region 조부모 그리드 뷰를 설정한다. GridView grandParentGridView = new GridView(); grandParentGridView.Name = "grandParentGridView"; grandParentGridView.InitializeView ( true, // Multi Select GridMultiSelectMode.CellSelect, // Grid Multi Select Mode DrawFocusRectStyle.CellFocus, // Draw Focus Rect Style true, // Show Indicator true, // Show Column Headers true, // Allow Column Moving true, // Allow Column Resizing true, // Allow Filter true, // Allow Sort false, // Allow Cell Merge EditorShowMode.Default, // Editor Show Mode false // Editable ); grandParentGridView.OptionsDetail.EnableMasterViewMode = true; grandParentGridView.OptionsDetail.AllowExpandEmptyDetails = false; grandParentGridView.OptionsBehavior.AutoPopulateColumns = true; #endregion #region 부모 그리드 뷰를 설정한다. GridView parentGridView = new GridView(); parentGridView.Name = "parentGridView"; parentGridView.InitializeView ( true, // Multi Select GridMultiSelectMode.CellSelect, // Grid Multi Select Mode DrawFocusRectStyle.CellFocus, // Draw Focus Rect Style true, // Show Indicator true, // Show Column Headers true, // Allow Column Moving true, // Allow Column Resizing true, // Allow Filter true, // Allow Sort false, // Allow Cell Merge EditorShowMode.Default, // Editor Show Mode false // Editable ); parentGridView.OptionsBehavior.AutoPopulateColumns = true; #endregion #region 자식 그리드 뷰를 설정한다. GridView childGridView = new GridView(); childGridView.InitializeView ( true, // Multi Select GridMultiSelectMode.CellSelect, // Grid Multi Select Mode DrawFocusRectStyle.CellFocus, // Draw Focus Rect Style true, // Show Indicator true, // Show Column Headers true, // Allow Column Moving true, // Allow Column Resizing true, // Allow Filter true, // Allow Sort false, // Allow Cell Merge EditorShowMode.Default, // Editor Show Mode false // Editable ); childGridView.OptionsBehavior.AutoPopulateColumns = true; #endregion #region 그리드 레벨 노드 2를 설정한다. GridLevelNode gridLevelNode2 = new GridLevelNode(); gridLevelNode2.RelationName = "Relation2"; gridLevelNode2.LevelTemplate = childGridView; #endregion #region 그리드 레벨 노드 1을 설정한다. GridLevelNode gridLevelNode1 = new GridLevelNode(); gridLevelNode1.RelationName = "Relation1"; gridLevelNode1.LevelTemplate = parentGridView; gridLevelNode1.Nodes.Add(gridLevelNode2); #endregion #region 그리드 컨트롤을 설정한다. GridControl gridControl = new GridControl(); gridControl.Name = "gridControl"; gridControl.Dock = DockStyle.Fill; gridControl.MainView = grandParentGridView; gridControl.ViewCollection.AddRange(new BaseView[] { grandParentGridView, parentGridView, childGridView }); gridControl.LevelTree.Nodes.Add(gridLevelNode1); Controls.Add(gridControl); gridControl.DataSource = Customer.GetCustomerList(this.connection); #endregion grandParentGridView.BestFitColumns(); #region 이벤트를 설정한다. grandParentGridView.MasterRowExpanded += gridView_MasterRowExpanded; grandParentGridView.MasterRowGetRelationCount += gridView_MasterRowGetRelationCount; grandParentGridView.MasterRowEmpty += gridView_MasterRowEmpty; grandParentGridView.MasterRowGetRelationName += gridView_MasterRowGetRelationName; grandParentGridView.MasterRowGetChildList += gridView_MasterRowGetChildList; #endregion } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private //////////////////////////////////////////////////////////////////////////////// Event #region 그리드 뷰 마스터 행 확장시 처리하기 - gridView_MasterRowExpanded(sender, e) /// <summary> /// 그리드 뷰 마스터 행 확장시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void gridView_MasterRowExpanded(object sender, CustomMasterRowEventArgs e) { GridView gridView = sender as GridView; GridView childGridView = gridView.GetDetailView(e.RowHandle, e.RelationIndex) as GridView; if(childGridView.Name == "grandParentGridView") { childGridView.Name = "parentGridView"; childGridView.BestFitColumns(); childGridView.RefreshData(); childGridView.MasterRowExpanded += gridView_MasterRowExpanded; childGridView.MasterRowGetRelationCount += gridView_MasterRowGetRelationCount; childGridView.MasterRowEmpty += gridView_MasterRowEmpty; childGridView.MasterRowGetRelationName += gridView_MasterRowGetRelationName; childGridView.MasterRowGetChildList += gridView_MasterRowGetChildList; } else if(childGridView.Name == "parentGridView") { childGridView.Name = "childGridView"; childGridView.BestFitColumns(); } } #endregion #region 그리드 뷰 마스터 행 관계 수 구하기 - gridView_MasterRowGetRelationCount(sender, e) /// <summary> /// 그리드 뷰 마스터 행 관계 수 구하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void gridView_MasterRowGetRelationCount(object sender, MasterRowGetRelationCountEventArgs e) { GridView gridView = sender as GridView; if(gridView.Name == "grandParentGridView") { e.RelationCount = 1; } else if(gridView.Name == "parentGridView") { e.RelationCount = 1; } } #endregion #region 그리드 뷰 마스터 행 세부 내역 여부 처리하기 - gridView_MasterRowEmpty(sender, e) /// <summary> /// 그리드 뷰 마스터 행 세부 내역 여부 설정하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void gridView_MasterRowEmpty(object sender, MasterRowEmptyEventArgs e) { e.IsEmpty = false; } #endregion #region 그리드 뷰 마스터 행 관계명 구하기 - gridView_MasterRowGetRelationName(sender, e) /// <summary> /// 그리드 뷰 마스터 행 관계명 구하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void gridView_MasterRowGetRelationName(object sender, MasterRowGetRelationNameEventArgs e) { GridView gridView = sender as GridView; if(gridView.Name == "grandParentGridView") { e.RelationName = "주문 내역"; } else if(gridView.Name == "parentGridView") { e.RelationName = "주문 상세 내역"; } } #endregion #region 그리드 뷰 마스터 행 자식 리스트 구하기 - gridView_MasterRowGetChildList(sender, e) /// <summary> /// 그리드 뷰 마스터 행 자식 리스트 구하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void gridView_MasterRowGetChildList(object sender, MasterRowGetChildListEventArgs e) { GridView gridView = sender as GridView; if(gridView.Name == "grandParentGridView") { Customer customer = gridView.GetRow(e.RowHandle) as Customer; List<Order> orderList = Order.GetOrderList(this.connection, customer); e.ChildList = orderList; } else if(gridView.Name == "parentGridView") { Order order = gridView.GetRow(e.RowHandle) as Order; List<OrderDetail> orderDetailList = OrderDetail.GetOrderDetailList(this.connection, order); e.ChildList = orderDetailList; } } #endregion } } |
