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Edit.cshtml.cs
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Edit.cshtml.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.RazorPages;
using Microsoft.AspNetCore.Mvc.Rendering;
using Microsoft.EntityFrameworkCore;
using NetLearner.SharedLib.Data;
using NetLearner.SharedLib.Models;
using NetLearner.SharedLib.Services;
namespace NetLearner.Pages.LearningResources
{
public class EditModel : PageModel
{
private readonly ILearningResourceService _learningResourceService;
private readonly IResourceListService _resourceListService;
public EditModel(ILearningResourceService learningResourceService, IResourceListService resourceListService)
{
_learningResourceService = learningResourceService;
_resourceListService = resourceListService;
}
[BindProperty]
public LearningResource LearningResource { get; set; }
public async Task<IActionResult> OnGetAsync(int id)
{
LearningResource = await _learningResourceService.Get(id);
if (LearningResource == null)
{
return NotFound();
}
var resourceList = await _resourceListService.Get();
ViewData["ResourceListId"] = new SelectList(resourceList, "Id", "Name", LearningResource.ResourceListId);
return Page();
}
// To protect from overposting attacks, please enable the specific properties you want to bind to, for
// more details see https://aka.ms/RazorPagesCRUD.
public async Task<IActionResult> OnPostAsync()
{
if (!ModelState.IsValid)
{
return Page();
}
try
{
await _learningResourceService.Update(LearningResource);
}
catch (DbUpdateConcurrencyException)
{
if (!LearningResourceExists(LearningResource.Id))
{
return NotFound();
}
else
{
throw;
}
}
return RedirectToPage("./Index");
}
private bool LearningResourceExists(int id)
{
var learningResource = _learningResourceService.Get(id);
return (learningResource != null);
}
}
}