Locations module: Implement the view model class

After you Locations module: Implement the data model of the Locations module, you need to implement the view model class for the web service that calls the module.

Web services in Sitefinity CMS follow the MVVM pattern and therefore you must implement a view model class. To do so:

1. In Visual Studio, in the LocationsModule project, open the context menu of the Web folder and navigate to Services » Data.
   Click Add » Class.
2. Name the class file LocationItemViewModel.cs and click Add.
3. Open the file LocationItemViewModel.cs.
4. Add the following using statements:
   • using Telerik.Sitefinity.Modules;
   • using Telerik.Sitefinity.GenericContent.Model;
   • using LocationsModule.Model;
   • using Telerik.Sitefinity.Modules.GenericContent;
5. Make the LocationItemViewModel class inherit the ContentViewModelBase class:
   public class LocationItemViewModel : ContentViewModelBase

   {

   }
6. Create the following constructors:
   public LocationItemViewModel()

       : base()

   {

   }

    

   public LocationItemViewModel(LocationItem location, ContentDataProviderBase provider)

       : base(location, provider)

   {

       this.Address = location.Address;

       this.City = location.City;

       this.Region = location.Region;

       this.PostalCode = location.PostalCode;

   }
7. Define properties that match the properties in the LocationItem class. Use the following code for the Address, City, Region, and PostalCode properties:
   public string Address { get; set; }

   public string City { get; set; }

   public string Region { get; set; }

   public string PostalCode { get; set; }
8. Implement the abstract members of the ContentViewModelBase class in the following way:
   protected override Content GetLive()

   {

       return this.provider.GetLiveBase<LocationItem>((LocationItem)this.ContentItem);

   }

    

   protected override Content GetTemp()

   {

       return this.provider.GetTempBase<LocationItem>((LocationItem)this.ContentItem);

   }