C# 重写datagridview（合并单元格与列头）

实现同列相同单元格值的合并与统一列头的归类

using System;
using System.Collections.Generic;
using System.Windows.Forms;

namespace WindowsApplication15
{
    static class Program
    {
        /// 

        /// 应用程序的主入口点。
        /// 

        [STAThread]
        static void Main（）
        {
           // Application.EnableVisualstyles（）;
            Application.SetCompatibleTextRenderingDefault（false）;
            Application.Run（new 性别（））;
        }
    }
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件       1834  2015-03-11 15:05  WindowsApplication15\UpgradeLog.xml

     文件      25088  2015-03-13 14:41  WindowsApplication15\WindowsApplication15\bin\Debug\WindowsApplication15.exe

     文件      56832  2015-03-13 14:41  WindowsApplication15\WindowsApplication15\bin\Debug\WindowsApplication15.pdb

     文件      11608  2015-03-13 14:41  WindowsApplication15\WindowsApplication15\bin\Debug\WindowsApplication15.vshost.exe

     文件       4384  2015-03-13 14:41  WindowsApplication15\WindowsApplication15\DateGridview.csproj

     文件       2225  2015-03-13 14:41  WindowsApplication15\WindowsApplication15\obj\Debug\DateGridview.csproj.FileListAbsolute.txt

     文件       5443  2015-03-13 14:27  WindowsApplication15\WindowsApplication15\obj\Debug\DesignTimeResolveAssemblyReferences.cache

     文件       5659  2015-03-13 14:41  WindowsApplication15\WindowsApplication15\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

     文件       1934  2015-03-13 14:41  WindowsApplication15\WindowsApplication15\obj\Debug\GenerateResource-ResGen.read.1.tlog

     文件       6662  2015-03-13 14:41  WindowsApplication15\WindowsApplication15\obj\Debug\GenerateResource-ResGen.write.1.tlog

     文件        180  2015-03-13 14:41  WindowsApplication15\WindowsApplication15\obj\Debug\RowMergeView.resources

     文件       4608  2015-03-11 15:05  WindowsApplication15\WindowsApplication15\obj\Debug\TempPE\Properties.Resources.Designer.cs.dll

     文件       2223  2015-03-13 14:30  WindowsApplication15\WindowsApplication15\obj\Debug\WindowsApplication15.csproj.FileListAbsolute.txt

     文件      25088  2015-03-13 14:41  WindowsApplication15\WindowsApplication15\obj\Debug\WindowsApplication15.exe

     文件        660  2015-03-13 14:26  WindowsApplication15\WindowsApplication15\obj\Debug\WindowsApplication15.Form1.resources

     文件        660  2015-03-13 14:26  WindowsApplication15\WindowsApplication15\obj\Debug\WindowsApplication15.Form2.resources

     文件      56832  2015-03-13 14:41  WindowsApplication15\WindowsApplication15\obj\Debug\WindowsApplication15.pdb

     文件        180  2015-03-13 14:41  WindowsApplication15\WindowsApplication15\obj\Debug\WindowsApplication15.Properties.Resources.resources

     文件        660  2015-03-13 14:41  WindowsApplication15\WindowsApplication15\obj\Debug\WindowsApplication15.性别.resources

     文件        660  2015-03-13 14:41  WindowsApplication15\WindowsApplication15\obj\Debug\WindowsApplication15.月份.resources

     文件        482  2015-03-13 14:41  WindowsApplication15\WindowsApplication15\Program.cs

     文件       1212  2008-12-08 09:03  WindowsApplication15\WindowsApplication15\Properties\AssemblyInfo.cs

     文件       2879  2015-03-11 15:05  WindowsApplication15\WindowsApplication15\Properties\Resources.Designer.cs

     文件       5612  2008-12-08 09:03  WindowsApplication15\WindowsApplication15\Properties\Resources.resx

     文件       1119  2015-03-11 15:05  WindowsApplication15\WindowsApplication15\Properties\Settings.Designer.cs

     文件        249  2008-12-08 09:03  WindowsApplication15\WindowsApplication15\Properties\Settings.settings

     文件      16563  2015-03-13 14:30  WindowsApplication15\WindowsApplication15\RowMergeView.cs

     文件       1585  2008-12-08 09:04  WindowsApplication15\WindowsApplication15\RowMergeView.designer.cs

     文件       6189  2008-12-08 09:04  WindowsApplication15\WindowsApplication15\RowMergeView.resx

     文件       4582  2015-03-13 14:41  WindowsApplication15\WindowsApplication15\性别.cs

............此处省略24个文件信息