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HomeHomeOur CommunityOur CommunityGeneral Discuss...General Discuss...Null exception while using Dnn UserInfo class in windows console applicationNull exception while using Dnn UserInfo class in windows console application
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12/6/2014 12:15 PM
 
Keval Gangani


Joined: 5/18/2011
Posts: 22

I'm facing null exception error while using below code in windows console application.

DotNetNuke.Entities.Users.UserInfo loUserInfo = new DotNetNuke.Entities.Users.UserInfo();
DotNetNuke.Entities.Users.UserController loController = new DotNetNuke.Entities.Users.UserController();
loUserInfo = loController.GetUser(0, 1);  => Error Line

I've already registered "DotNetNuke.dll" as a reference in application but still facing Null Exception on 3rd line.

Any help would be appreciated.

- Keval
 
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12/6/2014 9:18 PM
 
Wes Tatters


Wes Tatters's Avatar

Joined: 4/30/2004
Posts: 2155
This is not something that is a by design usage for DotNetNuke.dll. There are many parts of the dnn core that require access to a valid HttpContext and beyond that access to specific information that exists in the web.config of that running website context.

The dataprovider needs for example - access to SiteSqlServer connection settings so that it knows what database to look at. There are also an number of global objects that get created inside the context that need to exist before anything would run.

As a result - the correct way to access dnn from a console application is to create a webservice that runs inside the dnn hosting you want to access - and make calls to this service from you console application. That way the webservice handles all the httpcontext setup and knows where to look for its data etc.

Westa
 
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12/7/2014 12:00 AM
 
Keval Gangani


Joined: 5/18/2011
Posts: 22

Thanks Wes,

 Is it make sense if I add all those DNN global objects as well as DataProvider settings in app.config file? I've already set connection string like below in app.config file OR there is no way to do like that and I have to create web-service to use Dnn User Info?

 

<connectionStrings>
    <add name="SiteSqlServer" connectionString="Data Source=KEVAL;Initial Catalog=DNN711;User ID=sa;Password=sa123" providerName="System.Data.SqlClient" />
  </connectionStrings>
  <appSettings>
    <add key="SiteSqlServer" value="Data Source=KEVAL;Initial Catalog=DNN711;User ID=sa;Password=sa123" />
  </appSettings>

- Keval
 
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12/7/2014 5:27 PM
 
Wes Tatters


Wes Tatters's Avatar

Joined: 4/30/2004
Posts: 2155

There are just too many things that DNN needs to do to get itself setup inside the httpcontext for that sort of thing to be practical as far as I am concerned.   You could spend the next month trying to work out how to force dnn to work outside of a httpcontext (and still not succeed) - or you could make a webservice module in about 10 minutes.

http://www.dnnsoftware.com/wiki/page/services-framework-webapi

Westa
 
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12/7/2014 11:52 PM
 
Keval Gangani


Joined: 5/18/2011
Posts: 22
Thanks Wes,

Then web-service module is better way to go with.
- Keval
 
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HomeHomeOur CommunityOur CommunityGeneral Discuss...General Discuss...Null exception while using Dnn UserInfo class in windows console applicationNull exception while using Dnn UserInfo class in windows console application


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