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Hi, this indicates a configuration error in WCF service.
Make sure that your web.config file in WCF service looks like this: I assume that your service name is: Service<system.serviceModel><services>
<service behaviorConfiguration="WebServices.ServiceBehavior" name="WebServices.Service" ...
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Hi, can you check if the "SessionId" is also null?
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Hi,
May be I need to learn more about Cache. But, as far as I know, cache is also in memory objecct.
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As per the behavior of Garbage Collector, anything in memory which is not accessible for some time -> then it is ready for moving to Garbage. It has different algorithms to collect it.
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Hi,
As you are hosting the web service in IIS --> as part of life cycle of IIS --> It will recycle the information whenever the web service is idle for sometime. We can have some trick here.
You can make use of the "Timer" in WebService which is fired at some frequent intervals and tries to access the object in memory. (say ...
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Hi Manish,
Silverlight do NOT support System.Data related classes. But, we can still use WebServices (WCF, asmx or any SOAP based) or ADO.Net data services from Silverlight to communicate with the databases.
- Rajesh
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Hi All,
It seems that the issue is still coming up when we place more than one combo box in the user control. I even tried to create the new combox box and add it to Stackpanel for each new request. Still the issue is there.
Please help me.
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Yes, it is possible.
Please go through this link for step-by-step instructions: http://www.dotnetcurry.com/ShowArticle.aspx?ID=208
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If you are passing the DataContract object through service and still not able to access from Silvelright, then you must check if the DataContract and its required members are declared as public.
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Hi,
First check if the DataContract class and its members are decleared as "PUBLIC", but not with any other access specifiers so that it is exposed outside the service.
Then make sure that your WCF contract method is declared with "[OperationContract]" and method is returning the "DataContract" object in return or ...