报的这个错误************** Exception Text ************** System.IO.FileNotFoundException: File name: 'System.Design, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' at System.Web.Services.Description.SoapProtocolImporter.BeginNamespace() at System.Web.Services.Description.ProtocolImporter.GenerateCode(CodeNamespace codeNamespace, ImportContext importContext, Hashtable exportContext) at System.Web.Services.Description.ServiceDescriptionImporter.Import(CodeNamespace codeNamespace, ImportContext importContext, Hashtable exportContext, StringCollection warnings) at System.Web.Services.Description.ServiceDescriptionImporter.Import(CodeNamespace codeNamespace, CodeCompileUnit codeCompileUnit) at ZhiHongMS.tools.InvokeWebservice(String url, String namespace, String classname, String methodname, Object[] args) at ZhiHongMS.login.button1_Click(Object sender, EventArgs e) at System.Windows.Forms.Control.OnClick(EventArgs e) at System.Windows.Forms.Button.OnClick(EventArgs e) at System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent) at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks) at System.Windows.Forms.Control.WndProc(Message& m) at System.Windows.Forms.ButtonBase.WndProc(Message& m) at System.Windows.Forms.Button.WndProc(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m) at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
System.IO.FileNotFoundException:
File name: 'System.Design, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'
at System.Web.Services.Description.SoapProtocolImporter.BeginNamespace()
at System.Web.Services.Description.ProtocolImporter.GenerateCode(CodeNamespace codeNamespace, ImportContext importContext, Hashtable exportContext)
at System.Web.Services.Description.ServiceDescriptionImporter.Import(CodeNamespace codeNamespace, ImportContext importContext, Hashtable exportContext, StringCollection warnings)
at System.Web.Services.Description.ServiceDescriptionImporter.Import(CodeNamespace codeNamespace, CodeCompileUnit codeCompileUnit)
at ZhiHongMS.tools.InvokeWebservice(String url, String namespace, String classname, String methodname, Object[] args)
at ZhiHongMS.login.button1_Click(Object sender, EventArgs e)
at System.Windows.Forms.Control.OnClick(EventArgs e)
at System.Windows.Forms.Button.OnClick(EventArgs e)
at System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent)
at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.ButtonBase.WndProc(Message& m)
at System.Windows.Forms.Button.WndProc(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)