Linq to xml，读取XMl节点值

C:\Documents and Settings\Administrator\桌面\WindowsForm\WindowsForm\bin\Debug\WindowsForm.exe C:\Documents and Settings\Administrator\桌面\WindowsForm\WindowsForm\bin\Debug\WindowsForm.pdb C:\Documents and Settings\Administrator\桌面\WindowsForm\WindowsForm\obj\x86\Debug\ResolveAssemblyReference.cache C:\Documents and Settings\Administrator\桌面\WindowsForm\WindowsForm\obj\x86\Debug\WindowsForm.Form1.resources C:\Documents and Settings\Administrator\桌面\WindowsForm\WindowsForm\obj\x86\Debug\WindowsForm.Properties.Resources.resources C:\Documents and Settings\Administrator\桌面\WindowsForm\WindowsForm\obj\x86\Debug\GenerateResource.read.1.tlog C:\Documents and Settings\Administrator\桌面\WindowsForm\WindowsForm\obj\x86\Debug\GenerateResource.write.1.tlog C:\Documents and Settings\Administrator\桌面\WindowsForm\WindowsForm\obj\x86\Debug\WindowsForm.exe C:\Documents and Settings\Administrator\桌面\WindowsForm\WindowsForm\obj\x86\Debug\WindowsForm.pdb