I have created a wcf service and trying to consume by a wpf client. I am unable to see data in datagrid of my wpf client..Here is the code of both wcp & wpf
I have attached all the details in the following url..pls check it out n help me..
http://pastebin.com/8cVKrqci
There are 4 basic possibilities here:
You are not calling the WCF service
You are calling the WCF service but it is not returning any data
You are not binding the data to your datagrid
The datagrid is not refreshing after the data has been bound
You need to put some logging in your code to identify the problem.
Edit
Based on the comments, your problem is that the service is not running on the address that you are using.
Related
I need to create the RESTful WCF service for the schema I have in the application. The schema which has three elements
My requirement is to create the WCF service so I can pass these three values through the service. Can anybody give me clear idea how can I approach this. I have been trying to create a schema, and promoted the one of the element for example the user name and created the property schema like
I deployed this and tried creating the WCf service through the publishing wizard selecting WCF WebHTTp adapter(which didnt ask we to select the schema) created the service and configured the application in Biztalk console. But the service is not working. If I call the service with the parameters , still it shows the
Can anybody please help me how can I approach this. I am really stuck with this for long time. Please any help is greatly appreciated. Thanks
This error means that Server is not able to find out the action it needs to do based upon the URL and request. Based on your configuration on receive location, your url should be localhost/demp/service1.svc/specimen=value, if that does not work then, change the Operation Name="Op1" Method = "GET" Url ="specimen/{specimen} and then your url should be localhost/demp/service1.svc/specimen/value
I have a Silverlight 5 app. This app has been in development for 18 months. This app calls back to a WCF service. I just had a support request.
Before today, the service would return ObservableCollection<T> results. However, now all of the sudden, out-of-the-middle of nowhere, it starts returning T[] results after I updated the service reference in the Silverlight app.
My question is, what could have happened that would cause this change? This has caused approximately 70 errors due to type conflicts. Am I overlooking a basic setting?
Thank you!
If you're using a service reference to communicate with the service, make sure the Data Type hasn't been changed. Right click on the service in the Service References folder, select Configure Service Reference..., and look at the Data Type - Collection type:. If it's System.Array, then this may be your problem. Change it to ObservableCollection and see if that helps.
We have a Requirement of Consuming the WCf Services which is hosted in IIS like http://localhost/someservice.svc.
We would like to consume that Service via java script and bind my sample data controls called grid view on client side itself.
I think this can be done by Serializing and deserialzing to JSON and consume the data source and bind the grid controls.
Pls Refer the below link
http://forums.infragistics.com/forums/p/48035/258346.aspx
I would like to Achieve my func like the above link.
Can you pls guide me to achieve this Tasks.
Thanks
Regards
N.Balaji
Balaji,
Yes, you can definitely enable your WCF service (whether within IIS or not) to use JSON.
You do need to make one choice: do you want to use that service from the ASP .NET AJAX framework, or do you want to create a more general solution that is not tied down to that framework's usage within the browser?
If it's the former, use WebScriptEnablingBehavior. If it's the latter, use WebHttpBehavior.
For either scenario, detailed instructions are available in the following two MSDN sections:
AJAX Integration and JSON Support
WCF Web Http Programming Model
I have a custom data entity (data object) that is exposed via a WCF webservice. The WCF service lives in a web application. I then have a Silverlight application with a service reference to that WCF service. When i add the service reference a proxy is generated, and that includes a version of the custom data entity.
How should i structure my code so that the data entity is declared in one place, and shared amongst the project containing the WCF service and any Silverlight applications that reference it? I want to eliminate the version of the data entity that is generated with the proxy.
There is a good example of how to do this here by Pete Brown. Using that approach you can use the same classes in both the Silverlight client and in the WCF service without having to use the generated objects.
Declare the data entities in the WCF service or a project that the service refereneces, then from the Silverlight project add the entities as links and make sure the "Reuse types in referenced assemblies" checkbox is selected from the Service Reference Settings dialog.
You can put the types in either the Silverlight or WCF side.
I have tried doing things this way and found that using DTOs instead and mapping them to the entities in the Silverlight side to be much cleaner and easier to work with although I did write a bunch of mapping code to get the DTOs into the entities and vice versa.
I´m not quite shure why anybody want to do that. You have to understand that the type you find in the proxy is a projection of the Type you have at Service server site. It´s defined in the *.g.cs files and gets generated new if you update the service reference.
In my opinion it´s the best way to have it declared in a single location, and project it. You need it in two places and it´s single defined.
I may be wrong anyway .....
I have a VB.NET web service that calls a third party web service. How can I view the SOAP message generated by .NET before it is sent to the third party web service and how can I see the SOAP response before it is serialized by .NET.
When creating a standalone EXE, I see the Reference.vb file that is automatically generated, but don't see a similar file when my project is a web service. I have found lots of C# code to do this, but none in VB.NET.
Edit - Fiddler and TCP loggers are great, but will not work for my purposes. I need to be able to access the raw SOAP messages from within the application so I can log them or modify them. I need to do more than just see the messages going back and forth.
You can use fiddler or a tcp sniffer to filter and identify all outgoing and incoming traffic on your host.
This is if you want to see the xml request and response.
How about using an extension to allow you to examine the SOAP message?
Accessing Raw SOAP Messages in ASP.NET Web Services
http://msdn.microsoft.com/en-us/magazine/cc188761.aspx
I was trying to do the same thing and this seems to work for me:
Dim message As String = OperationContext.Current.RequestContext.RequestMessage.ToString()
I didn't think it would be that easy since most of the time ToString() returns the name of the class, but I tried it out and low and behold.
I know you asked this back in January so if since then you've figured out a better way let me know.
Please note that if you're catching the exception in a class that implements IErrorHandler then you have to perform this operation from within the ProvideFault() method instead of the HandleError() method because the context is closed before it gets to call the HandleError() method.
Hope this helps.