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Using DateTimeOffset in a DateTimePicker and Grid


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How can I bind a DateTimeOffset model value to the Telerik UI for ASP.NET MVC DateTimePicker and Data Grid components?


The DateTimeOffset structure represents a new date-time data structure that defines a point relative to the UTC time zone. However, neither databases nor JS are able of storing this structure as is because the DateTimeOffset is serialized as an object. The UI for ASP.NET MVC components that use dates depend on the JavaScript Date type API, which means that they need to work with a JavaScript Date.

The default MVC binder is capable of binding a DateTimeOffset only if the submitted parameter is in the 2017-04-17T05:04:18.070Z format. In other words, if the UI for ASP.NET MVC components implement the DateTimeOffset overload, their use will be limited only to the above format or they will require a custom binder.

To achieve the desired results, map database models with DateTimeOffset fields to view models with DateTime fields and use those view models in the Telerik UI for ASP.NET MVC components. AutoMapper is a popular third-party library that can map the models as shown below.

  1. Install AutoMapper from NuGet Package Manager or from the package manager console:

        PM> Install-Package AutoMapper

    Upon a successful installation, the packages.config file should include a similar package:

        <package id="AutoMapper" version="7.0.1" targetFramework="net45" />
  2. Add a Mapping profile class that inherits from AutoMapper.Profile and list the required mappings.

        public class MappingProfile : Profile
            public MappingProfile()
                CreateMap<Car, CarViewModel>();
                CreateMap<CarViewModel, Car>();
                CreateMap<DateTime, DateTimeOffset>().ConstructUsing(x => new DateTimeOffset(x));
                CreateMap<DateTimeOffset, DateTime>();
        public class Car
            public DateTimeOffset ProductionDate { get; set; }
        public class CarViewModel
            public DateTime ProductionDate { get; set; }
        using AutoMapper;
        public class HomeController : Controller
            private readonly IMapper mapper;
            public HomeController()
                if(mapper == null)
                    var mappingConfig = new MapperConfiguration(mc =>
                        mc.AddProfile(new MappingProfile());
                    mapper = mappingConfig.CreateMapper();
            // to bind the model to any UI for ASP.NET Date/Time picker in the Index.cshtmls view
            public ActionResult Index()
                return View(mapper.Map<CarViewModel>(cars.FirstOrDefault()));
            // to use DateTimeOffset in the context of the Ajax() bound grid
            public ActionResult AllCars([DataSourceRequest] DataSourceRequest request)
                // map the database models to the viewmodels
                var result = cars.Select(car => mapper.Map<CarViewModel>(car));
                // call the ToDataSourceResult() extension method over the mapped collection
                return Json(result.ToDataSourceResult(request));

For the complete implementation, refer to this GitHub project.

More ASP.NET MVC DateTimePicker Resources

See Also

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