datagridview二维表头与合并单元格

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1、DataGridView二维表头与合并单元格1、在项目中添加“组件类”。 2、所引用的命名空间如下：usingSystem;usingSystem.Collections.Generic;usingSystem.Linq;usingSystem.Text;usingSystem.Collections;usingSystem.ComponentModel;usingSystem.Windows.Forms;usingSystem.Drawing;usingSystem.Drawing.Design;usingSystem.Diagnostics; 3、DataGridView二维表

2、头与合并单元格类，继承DataGridView类publicpartialclassHeaderUnitView:DataGridView   {       privateTreeView[]_columnTreeView;       privateArrayList_columnList=newArrayList();       privateint_cellHeight=17;       publicintCellHeight       {           get{return_cellHeight;}           set{_cellHeight=valu

3、e;}       }       privateint_columnDeep=1;       privateboolHscrollRefresh=false;       ///

4、lRefresh;}           set{HscrollRefresh=value;}       }       ///

5、高度显示模式                     }       publicHeaderUnitView(IContainercontainer)       {           container.Add(this);           InitializeComponent();       }       [Description("设置或获得合并表头树的深度")]       publicintColumnDeep       {           get           {               if(this.Columns.Count==0) 

6、                  _columnDeep=1;               this.ColumnHeadersHeight=_cellHeight*_columnDeep;               return_columnDeep;           }           set           {               if(value<1)                   _columnDeep=1;               else                   _columnDeep=value;            

7、   this.ColumnHeadersHeight=_cellHeight*_columnDeep;           }       }       [Description("添加合并式单元格绘制的所需要的节点对象")]       publicTreeView[]ColumnTreeView       {           get{return_columnTreeView;}           set           {