ASP.NET 调用COM组件 80004005错误

[MAGICSLIAO]

windows 2003 server,iis 6.0
c# 调用组件时的报80004005错误



DllInvoke.init("DataExchangeServer.DataCommunication.1");

DllInvoke.DoMethod("Startup", null);

[指间的风]

http://www.cnitblog.com/CoffeeCat/archive/2007/03/23/24539.aspx
http://www.jz123.cn/text/182.html
http://www.pconline.com.cn/pcedu/empolder/wz/asp/0401/270822.html
http://www.playes.net/Blog/257.asp

[指间的风]

我看了一下这个错误，多是和权限有关。

[MAGICSLIAO]

确实可能是权限问题。我把目录都设为Everyone了，还是有问题。

未指定的错误 (异常来自 HRESULT:0x80004005 (E_FAIL))
说明: 执行当前 Web 请求期间，出现未处理的异常。请检查堆栈跟踪信息，以了解有关该错误以及代码中导致错误的出处的详细信息。

异常详细信息: System.Runtime.InteropServices.COMException: 未指定的错误 (异常来自 HRESULT:0x80004005 (E_FAIL))

源错误:


行 37: public object DoMethod(string MethodName, object[] args)
行 38: {
行 39: return _ObjType.InvokeMember(MethodName, System.Reflection.BindingFlags.InvokeMethod, null, _ObjInstance, args);
行 40: }
行 41:


源文件: D:\Work\EMASS\Citrix实施\Project\龙岩公安\BTPrinter\Printer\DynamicCOMPrinter.cs 行: 39

堆栈跟踪:


[COMException (0x80004005): 未指定的错误 (异常来自 HRESULT:0x80004005 (E_FAIL))]

[TargetInvocationException: 调用的目标发生了异常。]
System.RuntimeType.InvokeDispMethod(String name, BindingFlags invokeAttr, Object target, Object[] args, Boolean[] byrefModifiers, Int32 culture, String[] namedParameters) +0
System.RuntimeType.InvokeMember(String name, BindingFlags bindingFlags, Binder binder, Object target, Object[] providedArgs, ParameterModifier[] modifiers, CultureInfo culture, String[] namedParams) +337
System.Type.InvokeMember(String name, BindingFlags invokeAttr, Binder binder, Object target, Object[] args) +28
BTPrinter.Printer.DynamicCOMPrinter.DoMethod(String MethodName, Object[] args) in D:\Work\EMASS\Citrix实施\Project\龙岩公安\BTPrinter\Printer\DynamicCOMPrinter.cs:39
BTPrinter.Printer.DataCommunicationClass.Startup() in D:\Work\EMASS\Citrix实施\Project\龙岩公安\BTPrinter\Printer\DataCommunicationClass.cs:19
BTPrinter.Printer.MPK1230..ctor() in D:\Work\EMASS\Citrix实施\Project\龙岩公安\BTPrinter\Printer\MPK1230.cs:16
DAL_LYGA.BLL.PenaltyPlanA.printList() in D:\Work\EMASS\Citrix实施\Project\龙岩公安\DAL_LYGA\BLL\PenaltyPlanA.cs:94
_Default.Button1_Click(Object sender, EventArgs e) +31
System.Web.UI.WebControls.Button.OnClick(EventArgs e) +111
System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +110
System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +10
System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +13
System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +36
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1565