Solved

best place to use a web service in MVC4

Posted on 2013-10-23
3
242 Views
Last Modified: 2013-10-30
Hi, I have inherited a MVC4 application that was using a database to retrieve customer data, but now that information is available as a web service.

My confusion is should I access this web service in the ViewModel or should I go all the way to the Model?

pls note I'm new to MVC in ASP.net, not to mention MVC4.

thanks!
0
Comment
Question by:olmuser
  • 2
3 Comments
 
LVL 75

Expert Comment

by:käµfm³d 👽
ID: 39596288
A viewmodel is used to only represent the data of your view (hence the name). It would not make sense to call this data from such classes. Since the web service is effectively your data store, I would say that the model would be the place to retrieve your data.
0
 
LVL 1

Author Comment

by:olmuser
ID: 39599476
But what if the information gathered from the web service is only relevant to the view? Say a picture that is used in the view but never stored back in the model or in the underlying database? thanks!
0
 
LVL 75

Accepted Solution

by:
käµfm³d   👽 earned 500 total points
ID: 39600384
What if the service definition changes, or what if it comes from a different source? If the structure of the view is driven by what the user needs to see, regardless of the source, then you wouldn't want to couple your view to the underlying model (of the service). If you did, then any time the service definition changes you would have to change the view as well. If the structure of the view is driven by displaying whatever the service returns, then perhaps it would be OK to just display the model associated with the service, because if the service definition ever changed, you would have to update the view to accommodate the new or missing fields anyway.
0

Featured Post

DevOps Toolchain Recommendations

Read this Gartner Research Note and discover how your IT organization can automate and optimize DevOps processes using a toolchain architecture.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

A basic question.. “What is the Garbage Collector?” The usual answer given back: “Garbage collector is a background thread run by the CLR for freeing up the memory space used by the objects which are no longer used by the program.” I wondered …
The object model of .Net can be overwhelming at times – so overwhelming that quite trivial tasks often take hours of research. In this case, the task at hand was to populate the datagrid from SQL Server database in Visual Studio 2008 Windows applica…
Windows 10 is mostly good. However the one thing that annoys me is how many clicks you have to do to dial a VPN connection. You have to go to settings from the start menu, (2 clicks), Network and Internet (1 click), Click VPN (another click) then fi…
Hi friends,  in this video  I'll show you how new windows 10 user can learn the using of windows 10. Thank you.

867 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question

Need Help in Real-Time?

Connect with top rated Experts

24 Experts available now in Live!

Get 1:1 Help Now