DevExpress gridView GridView分層

本文轉載自查看原文 2012-03-28 20:22 4632 DevExpress/ GridView Devpress 層次表關系

下面的代碼來自GridTutorials v10.1

RunTimeUsing

DataSet ds = new DataSet();
         private void GridRunTimeUsing_Load( object sender, System.EventArgs e) {
            InitNWindData();
            GridAdjustment();
            GridEditorsAdjustment();
            GridAppearance();
        }
         /// <summary>
         /// DataSet 數據源，表之間的關系
         /// </summary>
         /// <param name="connectionString"></param>
         protected override void InitMDBData( string connectionString) {
            OleDbDataAdapter oleDBAdapter1 = new OleDbDataAdapter( " SELECT * FROM Customers ", connectionString);
            OleDbDataAdapter oleDBAdapter2 = new OleDbDataAdapter( " SELECT * FROM Orders ", connectionString);
            OleDbDataAdapter oleDBAdapter3 = new OleDbDataAdapter( " SELECT * FROM [Order Details] ", connectionString);
            OleDbDataAdapter oleDBAdapter4 = new OleDbDataAdapter( " SELECT * FROM Employees ", connectionString);
            OleDbDataAdapter oleDBAdapter5 = new OleDbDataAdapter( " SELECT * FROM Products ", connectionString);

            oleDBAdapter1.Fill(ds, " Customers ");
            oleDBAdapter2.Fill(ds, " Orders ");
            oleDBAdapter3.Fill(ds, " Order Details ");
            oleDBAdapter4.Fill(ds, " Employees ");
            oleDBAdapter5.Fill(ds, " Products ");

            ds.Relations.Add( " Orders ",
                ds.Tables[ " Customers "].Columns[ " CustomerID "],
                ds.Tables[ " Orders "].Columns[ " CustomerID "]);

            ds.Relations.Add( " OrderDetails ",
                ds.Tables[ " Orders "].Columns[ " OrderID "],
                ds.Tables[ " Order Details "].Columns[ " OrderID "]);

            ds.Relations.Add( " Employees ",
                ds.Tables[ " Orders "].Columns[ " EmployeeID "],
                ds.Tables[ " Employees "].Columns[ " EmployeeID "], false);

            gridControl1.DataSource = ds.Tables[ " Customers "];
            gridControl1.MainView.PopulateColumns();
        }
         protected override void InitXMLData( string dataFileName) {
        }
         /// <summary>
         /// 多個GridView，分層的主要是通過2個GridView之間的關系 gridControl1.LevelTree.Nodes.Add("RelationName", gvs[i]);。
         /// </summary>
         private void GridAdjustment()
        {
            gridControl1.MainView.KeyDown += new KeyEventHandler(gridView_KeyDown);
            GridView[] gvs = new GridView[ 4];
            ColorMaker[] colorMakers = new ColorMaker[ 4];
             string[] options = new String[] {
                                                 " EvenRow ",
                                                 " OddRow ",
                                                 " FocusedRow ",
                                                 " FocusedCell ",
                                                 " GroupRow ",
                                                 " HeaderPanel ",
                                                 " GroupPanel ",
                                                 " HorzLine ",
                                                 " VertLine "};
            gvs[ 0] = gridView1;

            colorMakers[ 0] = new ColorMaker(Color.DimGray, Color.WhiteSmoke);
            colorMakers[ 1] = new ColorMaker(Color.DarkCyan, Color.LightCyan);
            colorMakers[ 2] = new ColorMaker(Color.DarkGoldenrod, Color.LightGoldenrodYellow);
            colorMakers[ 3] = new ColorMaker(Color.Navy, Color.Lavender);

             for ( int i = 0; i < 4; i++)
            {
                 string prefix = "";
                 int basefontsize = 8, backColor = 100, foreColor = 0, font = 0;
                FontStyle fstyle = FontStyle.Regular;

                 if (i == 0) basefontsize = 9;

                 if (i > 0)
                {
                    gvs[i] = new GridView(gridControl1);
                    gvs[i].KeyDown += new KeyEventHandler(gridView_KeyDown);
                    gvs[i].OptionsDetail.ShowDetailTabs = true;
                    gvs[i].OptionsDetail.EnableDetailToolTip = true;
                    prefix = ds.Relations[i - 1].RelationName;
                }

                 if (i < 2)
                    gvs[i].OptionsView.ColumnAutoWidth = false;

                 foreach ( string option in options)
                {
                     switch (option)
                    {
                         case " EvenRow ":
                            backColor = 100;
                            foreColor = 0;
                             break;
                         case " OddRow ":
                            backColor = 90;
                            foreColor = 0;
                             break;
                         case " FocusedRow ":
                            backColor = 10;
                            foreColor = 90;
                            fstyle = FontStyle.Bold;
                             break;
                         case " FocusedCell ":
                            backColor = 200;
                            foreColor = 0;
                             break;
                         case " GroupRow ":
                            backColor = 60;
                            foreColor = 100;
                            fstyle = FontStyle.Italic;
                             break;
                         case " HeaderPanel ":
                            backColor = 30;
                            foreColor = 100;
                            font = 1;
                            fstyle = FontStyle.Bold;
                             break;
                         case " GroupPanel ":
                            backColor = 0;
                            foreColor = 100;
                            font = 2;
                            fstyle = FontStyle.Bold;
                             break;
                         case " HorzLine ":
                         case " VertLine ":
                            backColor = 0;
                            foreColor = 0;
                            font = 0;
                             break;
                    }
                    gvs[i].Appearance.GetAppearance(option).BackColor = colorMakers[i].ProduceColor(backColor);
                    gvs[i].Appearance.GetAppearance(option).BorderColor = colorMakers[i].ProduceColor(backColor);
                    gvs[i].Appearance.GetAppearance(option).ForeColor = colorMakers[i].ProduceColor(foreColor);
                    gvs[i].Appearance.GetAppearance(option).Font = new Font(DevExpress.Utils.AppearanceObject.DefaultFont.FontFamily, basefontsize + font, fstyle);
                }

                 if (gvs[i].OptionsView.ShowGroupPanel)
                    gvs[i].OptionsView.ShowGroupPanel = false;

                gvs[i].DetailHeight = 500;
                gvs[i].PaintStyleName = " MixedXP ";
// 關鍵   Gridview 添加關系
                 if (prefix == " Orders ")
                    gridControl1.LevelTree.Nodes.Add(prefix, gvs[i]);
                 else if (prefix != "")
                    gridControl1.LevelTree.Nodes[ " Orders "].Nodes.Add(prefix, gvs[i]);
            }
        }

效果:

想起做這個效果的表，是因為Bom層次顯示的時候需要這樣。

如果加一列CheckBox，可以在計算物理需求時選擇參加計算的物料。

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