■ GridView 클래스의 MasterRowExpanded 이벤트를 사용해 마스터 행 확장시 처리하는 방법을 보여준다.
▶ MainForm.cs
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using System.Data; 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 { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); #region 데이터를 로드한다. DataSet dataSet = new DataSet(); OleDbConnection connection = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=nwind.mdb"); OleDbDataAdapter customersAdapter = new OleDbDataAdapter("SELECT * FROM Customers", connection); OleDbDataAdapter ordersAdapter = new OleDbDataAdapter("SELECT * FROM Orders", connection); OleDbDataAdapter orderDetailsAdapter = new OleDbDataAdapter("SELECT * FROM [Order Details]", connection); customersAdapter.Fill(dataSet, "Customers"); ordersAdapter.Fill(dataSet, "Orders"); orderDetailsAdapter.Fill(dataSet, "Order Details"); DataColumn customerIDKeyColumn = dataSet.Tables["Customers"].Columns["CustomerID"]; DataColumn customerIDForeignKeyColumn = dataSet.Tables["Orders" ].Columns["CustomerID"]; dataSet.Relations.Add("CustomersOrders", customerIDKeyColumn, customerIDForeignKeyColumn); DataColumn orderIDKeyColumn = dataSet.Tables["Orders" ].Columns["OrderID"]; DataColumn orderIDForeignKeyColumn = dataSet.Tables["Order Details"].Columns["OrderID"]; dataSet.Relations.Add("OrdersOrderDatails", orderIDKeyColumn, orderIDForeignKeyColumn); #endregion #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.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.Name = "childGridView"; 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 = dataSet; gridControl.DataMember = "Customers"; #endregion grandParentGridView.BestFitColumns(); grandParentGridView.MasterRowExpanded += gridView_MasterRowExpanded; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private #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.MasterRowExpanded += gridView_MasterRowExpanded; } else if(childGridView.Name == "parentGridView") { childGridView.Name = "childGridView"; childGridView.BestFitColumns(); } } #endregion } } |
