DataGridView单元格合并和二维表头
................................\WindowsApplication15
................................\....................\WindowsApplication15
................................\....................\....................\bin
................................\....................\....................\...\Debug
................................\....................\....................\...\.....\WindowsApplication15.exe
................................\....................\....................\Form1.cs
................................\....................\....................\Form1.Designer.cs
................................\....................\....................\Form1.resx
................................\....................\....................\Program.cs
................................\....................\....................\Properties
................................\....................\....................\..........\AssemblyInfo.cs
................................\....................\....................\..........\Resources.Designer.cs
................................\....................\....................\..........\Resources.resx
................................\....................\....................\..........\Settings.Designer.cs
................................\....................\....................\..........\Settings.settings
................................\....................\....................\RowMergeView.cs
................................\....................\....................\RowMergeView.designer.cs
................................\....................\....................\RowMergeView.resx
................................\....................\....................\WindowsApplication15.csproj
................................\....................\WindowsApplication15.sln