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What is causing my ToDataSourceResult error in my KendoUI Core Application?


What is causing my ToDataSourceResult error in my KendoUI Core Application?

By : CN_JuneMeng
Date : October 22 2020, 08:10 AM
may help you . For ToDataSourceResult, it is the method for IEnumerable.
For GetAllVesselsAsync(), it returns a task.
code :
[HttpGet]
public async Task<DataSourceResult> GetVessels([DataSourceRequest]DataSourceRequest request)
{
    var result = await service.GetAllVesselsAsync();
    return result.ToDataSourceResult(request); 
}
public class HomeController : Controller
{
    private IVesselRepository service;
    public HomeController(IVesselRepository service)
    {
        this.service = service;
    }


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ASP application causing Error 500 and causing server to stop frequently

ASP application causing Error 500 and causing server to stop frequently


By : Osman Rešidović
Date : March 29 2020, 07:55 AM
Hope that helps I have found the cause to my problem. For each Url redirection, I used the syntax Response.Redirect("/NewPage.aspx"); and this would continue the process even after creating the child process. The fix was: Response.Redirect("/NewPage.aspx", false); This would terminate the process right after calling a child process. That saved a lot of memory used by each process!
.Net Core Razor pages using EF Core CRUD edit model exclude non nullable fields without causing error

.Net Core Razor pages using EF Core CRUD edit model exclude non nullable fields without causing error


By : Nick Bender
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , Are you attaching the entity object as modified? If so, it will mark all properties as modified. Use the EntityEntry to set the IsModified property for the relevant properties to false so that EF will not attempt to update their values in the store.
code :
// gets EntityEntry and begins tracking if not currently tracked
var entry = dbContext.Entry( yourEntity );
// set as modified
entry.State = EntityState.Modified;
// for each property you don't want updated in store:
entry.Property( e => e.PropertyName )
    .IsModified = false;
Constructor with Dependency Injection is causing http 500 error in react asp.net core application

Constructor with Dependency Injection is causing http 500 error in react asp.net core application


By : user2722137
Date : March 29 2020, 07:55 AM
this one helps. IMapper is an interface from the AutoMapper library.
You need to add the package AutoMapper.Extensions.Microsoft.DependencyInjection and call
code :
services.AddAutoMapper();
Why is my KendoUI Grid showing duplicate records in my ASP.NET Core application?

Why is my KendoUI Grid showing duplicate records in my ASP.NET Core application?


By : kishore
Date : March 29 2020, 07:55 AM
Does that help I did a little more digging into this, I found that the problem came down to the view itself, EF tried to understand a unique key which I had defined using the '[Key]' annotation in the entity but it wasn't actually unique, for that reason duplicates were turned. I added an additional column (that I don't use) which is unique and applied the key annotation to that and it now works.
How to use ToDataSourceResult from KendoUI in Onion Architecture withouth exposing IQueryable

How to use ToDataSourceResult from KendoUI in Onion Architecture withouth exposing IQueryable


By : fila1988
Date : March 29 2020, 07:55 AM
Hope that helps I am designing application with Onion architecture and I would like to use grid from Kendo UI with server side filtering sorting and paging. I would like to avoid manually parsing DataSourceRequest into dynamic LinQ, but use ToDataSourceResult instead. , The repository method with no reference to Kendo:
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