我正在尝试发出SOAP请求而我正在捕获异常，您可以在下面看到它。 （我不会消耗WCF）
也许有人有类似的问题，知道如何解决它？提前谢谢。
{System.ArgumentException：空字符串''不是有效的本地名称。
at（包装器托管到本机）System.Object：__ icall_wrapper_mono_delegate_end_invoke（object，intptr）
at（wrapper delegate-end-invoke）：end_invoke_object__this ___ object []＆amp; _IAsyncResult（object []＆amp;，System.IAsyncResult）
在System.ServiceModel.MonoInternal.ClientRuntimeChannel.EndProcess（System.Reflection.MethodBase方法，System.String operationName，System.Object []参数，System.IAsyncResult结果）[0x0001f] in＆lt; 475dec2c1fe44b95bbfbd21b550b63f8＆gt;：0
在System.ServiceModel.ClientBase 1+ChannelBase 1 [TChannel，T] .EndInvoke（System.String methodName，System.Object [] args，System.IAsyncResult result）[0x00045] in＆lt; 475dec2c1fe44b95bbfbd21b550b63f8＆gt;：0
at App3.AscoTms.imcwpPortTypeClient + imcwpPortTypeClientChannel.EndLogin（System.IAsyncResult result）[0x00008]在C：\ Users \ georgij.nebudrov \ source \ repos \ App3 \ App3 \ App3 \ Connected Services \ AscoTms \ Reference.cs：3833
在C：\ Users \ georgij.nebudrov \ source \ repos \ App3 \ App3 \ App3 \ Connected Services \ AscoTms \ Reference中的App3.AscoTms.imcwpPortTypeClient.App3.AscoTms.imcwpPortType.EndLogin（System.IAsyncResult result）[0x00001]。 CS：3088
at App3.AscoTms.imcwpPortTypeClient.EndLogin（System.IAsyncResult result）[0x00001]在C：\ Users \ georgij.nebudrov \ source \ repos \ App3 \ App3 \ App3 \ Connected Services \ AscoTms \ Reference.cs：3093
at App3.AscoTms.imcwpPortTypeClient.OnEndLogin（System.IAsyncResult result）[0x00001]在C：\ Users \ georgij.nebudrov \ source \ repos \ App3 \ App3 \ App3 \ Connected Services \ AscoTms \ Reference.cs：3103
在System.ServiceModel.ClientBase 1+<>c__DisplayClass39_0[TChannel].<InvokeAsync>b__0 (System.IAsyncResult ar) [0x00006] in <475dec2c1fe44b95bbfbd21b550b63f8>:0
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000c] in <896ad1d315ca4ba7b117efb8dacaedcf>:0
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Threading.Tasks.Task task) [0x0003e] in <896ad1d315ca4ba7b117efb8dacaedcf>:0
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Threading.Tasks.Task task) [0x00028] in <896ad1d315ca4ba7b117efb8dacaedcf>:0
at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd (System.Threading.Tasks.Task task) [0x00008] in <896ad1d315ca4ba7b117efb8dacaedcf>:0
at System.Runtime.CompilerServices.TaskAwaiter 1 [TResult] .GetResult（）[0x00000] in＆lt; 896ad1d315ca4ba7b117efb8dacaedcf＆gt ;:0
在App3.MainPage + d__2.MoveNext（）[0x00081]在C：\ Users \ georgij.nebudrov \ source \ repos \ App3 \ App3 \ App3 \ MainPage.xaml.cs：47}