未处理 System.AccessViolationException

  Message=尝试读取或写入受保护的内存。这通常指示其他内存已损坏。

  Source=System.Drawing

  StackTrace:

       在 System.Drawing.SafeNativeMethods.Gdip.GdipDrawRectangleI(HandleRef graphics, HandleRef pen, Int32 x, Int32 y, Int32 width, Int32 height)

       在 System.Drawing.Graphics.DrawRectangle(Pen pen, Int32 x, Int32 y, Int32 width, Int32 height)

       在 System.Drawing.Graphics.DrawRectangle(Pen pen, Rectangle rect)

       在 System.Windows.Forms.DataGridView.PaintBorder(Graphics g, Rectangle clipRect, Rectangle bounds)

       在 System.Windows.Forms.DataGridView.OnPaint(PaintEventArgs e)

       在 System.Windows.Forms.Control.PaintWithErrorHandling(PaintEventArgs e, Int16 layer)

       在 System.Windows.Forms.Control.WmPaint(Message& m)

       在 System.Windows.Forms.Control.WndProc(Message& m)

       在 System.Windows.Forms.DataGridView.WndProc(Message& m)

       在 System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)

       在 System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)

       在 System.Windows.Forms.NativeWindow.DebuggableCallback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

       在 System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg)

       在 System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(IntPtr dwComponentID, Int32 reason, Int32 pvLoopData)

       在 System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context)

       在 System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context)

       在 System.Windows.Forms.Application.Run(Form mainForm)

       在 WindowsFormsApplication2.Program.Main() 位置 E:\cjing_project\WindowsFormsApplication2\WindowsFormsApplication2\Program.cs:行号 18

       在 System.AppDomain._nExecuteAssembly(RuntimeAssembly assembly, String[] args)

       在 System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args)

       在 Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly()

       在 System.Threading.ThreadHelper.ThreadStart_Context(Object state)

       在 System.Threading.ExecutionContext.Run(ExecutionContext&nb