datagridview添加一个合计行[实例美好实用版]

C:\Documents and Settings\Administrator\桌面\doom\doom\obj\Debug\ResolveAssemblyReference.cache C:\Documents and Settings\Administrator\桌面\doom\doom\obj\Debug\doom.Properties.Resources.resources C:\Documents and Settings\Administrator\桌面\doom\doom\obj\Debug\doom.csproj.GenerateResource.Cache C:\Documents and Settings\Administrator\桌面\doom\doom\bin\Debug\doom.exe C:\Documents and Settings\Administrator\桌面\doom\doom\bin\Debug\doom.pdb C:\Documents and Settings\Administrator\桌面\doom\doom\obj\Debug\doom.exe C:\Documents and Settings\Administrator\桌面\doom\doom\obj\Debug\doom.pdb C:\Documents and Settings\Administrator\桌面\doom\doom\obj\Debug\doom.Form1.resources