I've created an asp.net web service and am trying to test it using my client. The web method I'm currently testing returns a custom object named GetAllTicketsSinceLastPullDateResult, which contains one ArrayList of custom clsTrip objects, and a custom object called FaultResponse. This is how I'm using my client:
ServiceReference1.ServiceSoapClient myClient = new ServiceReference1.ServiceSoapClient();
ServiceReference1.GetAllTicketsSinceLastPullDateResult result = new ServiceReference1.GetAllTicketsSinceLastPullDateResult();
result = myClient.getAllTicketsSinceLastPullDate(myUser);
But I get the following error:
System.Web.Services.Protocols.SoapException: Server was unable to process request. ---> System.InvalidOperationException: There was an error generating the XML document. ---> System.InvalidOperationException: The type clsTicket was not expected. Use the XmlInclude or SoapInclude attribute to specify types that are not known statically.
I Google the error and most of the answers I find have to do with serializing derived classes. But my clsTicket class is not a derived class. What can be causing this error? How do I use XmlInclude or SoapInclude?
Thanks in advance!
Okay I finally got it to work, I ended up putting the following line:
[XmlInclude(typeof(clsTicket))]
Between [WebMethod] and my method's definition. So far so good.
I don't think you need to 'new' result:
ServiceReference1.GetAllTicketsSinceLastPullDateResult result;
result = myClient.getAllTicketsSinceLastPullDate(myUser);
Also, how do you know the error isn't on the server?
Can you call the function with a web browser?
Have you updated your service since initially adding the reference to your project? If you're using Visual Studio's "Add Web Reference" feature and you update the service, often times there is a configuration or parameter chance, which can generate SOAP errors.
Try right clicking on the Web Service in question through visual studio and select "Update" option. Recompile the app and see if that resolves your issue.
Related
I need to add web reference to ASP.NET project, but unfortunately I got error:
There was an error downloading 'http://isapi.somehost.com/soapclient/soapclient.php?URL=http://isapi.mekashron.com/SmartHD/MekashronTV.dll%2Fwsdl%2FISmartHD/_vti_bin/ListData.svc/$metadata'.
The request failed with the error message:
--
object(SoapFault)#3 (9) {
["message":protected]=>
strin
Is there any ways to fix it?
Can you post the exact exception you got to help you further.
But couple of initial thoughts.
ASP.NEt is not able to get the WSDL to generate a proxy class. You ight need to check permissions.
If it is WCF service try to add service reference.
Thanks
In my project, I included Webservice files, when I tried to run, I got this error in Chrome browser.
Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately.
Compiler Error Message: CS0029: Cannot implicitly convert type 'Unified.WebService.GetOrder [c:\Users\Venkatesh\AppData\Local\Temp\Temporary ASP.NET Files\root\417f2571\29df25a\assembly\dl3\1f05470e\0779ccf4_47dfcd01_0\WasteManagement.DLL]' to 'Unified.WebService.GetOrder [c:\Users\Venkatesh\Desktop\Venkateshwar\Company Related\Waste Management - Copy\WasteManagement\WasteManagement\App_Code\GetOrder.cs(8)]'
Source Error:
Line 43: public GetOrder retrieveOrder(string orderNumber)
Line 44: {
//Calling Web service method in my class
Line 45:/*ERROR*/ return connection.getOrder(orderNumber);
Line 46: }
Line 47:
When I clicked Compiler Warning Messages, it is showing error in all the connections which were through Web service.
If necessary, I will share the code too. (As I am new to asp.net, I cant understand which part of code to share. So, please mention which part of code you want, if needed.)
Your Web-service should be independent project in your solution. After that you should add Web Reference for it, and after that you can safely call it.
Web Service is not a basic class you cann add and use - it is a different thing, so you can't simply add it to your App_Code folder to make it work.
From MSDN:
Web service discovery is the process by which a client locates a Web service and obtains its service description. The process of Web service discovery in Visual Studio involves interrogating a Web site following a predetermined algorithm. The goal of the process is to locate the service description, which is an XML document that uses the Web Services Description Language (WSDL).
The service description describes what services are available and how to interact with those services. Without a service description, it is impossible to programmatically interact with a Web service.
Edit:
Yes, you can remove [WebMethod] attributes, etc, from web service declaration, and temporary use it like class, but after that you still have to add a Web reference for it to use it like Web Service.
i write a simple webservice code in asp.net when i build the service and run the service it is working fine. when i try to access the webservice it is giving some problem , problem means i am not getting that method (webservice method). After completing writing the webserivce i take a asp.net page (.aspx) and in solution explorer i add a webservices and it is added successfully. but when i adding namespace it is not getting the service name ( i not able to add the namespace of websercice
I am not exactly sure what could be the problem but you should only need to do the following to use the web service:
// Look at what you named your web reference, in my example it is
// called MyWebService. Check your solution explorer for the actual name.
// This is the alias you should be using.
MyWebService.YourWebServiceName ws = new MyWebService.YourWebServiceName();
var result = ws.MyMethod(someparameter);
I've just started developing silverlight applications. I've created a webserivce in my asp.net project. Now, when I try to connect to it through my silverlight project I receive the following error:
"the opreation is not supported for a relative uri"
I am using the following url -->
http://192.168.1.2/MyWebsite/SubVersionedHistory.svc
I can find the class and its methods, but I receive this horrific error when I add it.
Thank you for your help and advice,
Vondiplo
I don't think you're alone in hitting this problem. I hit it today with VS2008SP1 + SL2 trying to create a Service Reference for an ADO.NET Data Service. First time I've hit the error.
Others have detailed similar experiences to reach this error:
http://silverlight.net/forums/t/87535.aspx
http://silverlight.net/forums/t/56629.aspx
It's not entirely clear at this point if the issue is with the IDE "Add Service Reference" dialog or something specific in the services causing this error. In my case, however, my code still worked despite the error message. I simply passed the URL to my service in the constructor of my DataService proxy client, like this:
var context = new DataServiceContext(new Uri("NorthwindDataService.svc", UriKind.Relative));
Summary point: Just because you hit this error in the IDE, your service reference may still work. Give it a try and let us know if you're seeing errors at run time.
Hope that helps.
[UPDATE] Based on some other advice I've found and tested, you can also try:
deleting your Service Reference
deleting your ServiceReferences.ClientConfig file
saving your solution
and then closing and reopening it in VS.
The simple act of closing and reopening your project has been shown to fix several problems with the Add Service wizard. Re-run the Add Service Ref wizard and you may have better luck. I personally tested this solution on a project today and can confirm it works. Hope that adds extra help to finding your solution.
You should be more specific about your problem. For example, are you having this problem when adding the reference or when you actually try to consume the service?
It sounds like you need to be using a full path, including the "http://" but that is just a shot in the dark based on the error message you provide.
[edit]If you are using the built in ASP.NET server instead of IIS then be sure you set a specific port number and use it in your path. For example, I have used http://localhost:4940/MyService.svc for testing[/edit]
Maybe this response can help you
You cannot use AbsolutePath, You need to use AbsoluteURL. Build your URL this way:
Uri url = new Uri(App.Current.Host.Source, "../settings.xml");client.DownloadStringAsync(url);
http://silverlight.net/forums/p/28912/95541.aspx
HTH
Braulio
Check the ServiceReferences.ClientConfig
if there are multiple endpoints there you will get this exception. one thing that can cause this is referencing a service using casini, later switiching to IIS express and rereferencing the service.
We have consumed a third party web service and are trying to invoke it from an ASP.NET web application.
However when I instantiate the web service the following System.InvalidOperationException exception is thrown:
Method 'ABC.XYZ' can not be reflected.
System.InvalidOperationException:
Method 'ABC.XYZ' can not be reflected.
---> System.InvalidOperationException: The XML element 'MyDoc' from namespace
'http://mysoftware.com/ns' references
a method and a type. Change the
method's message name using
WebMethodAttribute or change the
type's root element using the
XmlRootAttribute.
From what I can gather there appears to be some ambiguity between a method and a type in the web service.
Can anyone clarify the probably cause of this exception and is there anything I can do to rectify this or should I just go to the web service owners to rectify?
Edit: Visual Studio 2008 has created the proxy class. Unfortunately I can't provide a link to the wsdl as it is a web service for a locally installed thrid party app.
I ran into the same problem earlier today.
The reason was - the class generated by Visual Studio and passed as a parameter into one of the methods did not have a default parameterless constructor. Once I have added it, the error had gone.
It seems the problem is down to data type issues between VS and the web service that was written in Java.
Ultimately it was fixed by manually editing the class and schema files that were created by VS.
I have come across the exact same problem when I was consuming a 3rd party web service. The problem in this instance was that the mustUndertand property in the reference file was looking for a Boolean, whereby the namespace property looked for a string.
By looking through the reference i was able to idenitfy the offending property and simply add "overrides" to the method signature.
Not ideal as any time you update the service you have to do this but I couldn't find any other way around this.
To find the reference file select "all files" from the solution explorer
Hope this helps
I'm guessing the wsdl emitted by or supplied with the service is not in a form that wsdl.exe or serviceutil can understand - can you post the wsdl or link to it?
how are you creating the proxy classes?
Also you might like to try and validate the wsdl against the wsdl schema to check its valid
In my case I was getting a "method cannot be reflected" error due to that fact that in the class being returned by method, I had failed to expose a default parameter-less constructor.
I was working in VB.NET. In my return class I had declared a "New(..)" method that took a couple parameters (because that is how I wanted to use it in my code). But by doing so, I had supressed the default (hidden) parameterless New() constructor that VB adds behind the scenes. Apparently the web service handler requires that a parameterless constructor be available. As soon as I added back into my class a parameterless New() constructor, it all worked fine.
I got the same message but mine was caused by a missing System.Runtime.Serialization.dll since I tried to run a 3.5 application on a machine with only .NET 2.0 installed.
I had the same issue but I found that one of the WebMethod parameters has a member that is of type interface that is why VS could not serialise it. here is the exception when trying to download the disco file
System.InvalidOperationException: Cannot serialize member
'Leopard.JobDespatchParameters.SendingUser'
of type 'Leopard.Interfaces.IUser', see inner exception for more
details. ---> System.NotSupportedException: Cannot serialize member
Leopard.JobDespatchParameters.SendingUser
of type Leopard.Interfaces.IUser because it is an interface.
Old thread but I had a different issue, Maybe of help to someone. referenced dlls were mixed up between two versions on data layer and service layer that caused the problem.
Another scenario where this error can happen: I simply had another web method with the same name (but different parameters)in my web service that slipped in during a code merge. After I deleted the old method it worked.