TempData null dans asp.net de base

Je suis en train d'utiliser TempData dans asp.net core Cependant j'obtiens une valeur null sur la méthode get de TempData. Quelqu'un peut s'il vous plaît laissez-moi savoir comment je peux utiliser TempData dans asp.net core

Ci-dessous sont les choses que j', ont ajouté que par la recherche.

Projet.fichier json

{
"dependencies": {
"Microsoft.NETCore.App": {
"version": "1.0.1",
"type": "platform"
},
"Microsoft.AspNetCore.Mvc": "1.0.1",
"Microsoft.AspNetCore.Routing": "1.0.1",
"Microsoft.AspNetCore.Server.IISIntegration": "1.0.0",
"Microsoft.AspNetCore.Server.Kestrel": "1.0.1",
"Microsoft.Extensions.Configuration.EnvironmentVariables": "1.0.0",
"Microsoft.Extensions.Configuration.FileExtensions": "1.0.0",
"Microsoft.Extensions.Configuration.Json": "1.0.0",
"Microsoft.Extensions.Logging": "1.1.0",
"Microsoft.Extensions.Logging.Console": "1.0.0",
"Microsoft.Extensions.Logging.Debug": "1.0.0",
"Microsoft.Extensions.Options.ConfigurationExtensions": "1.0.0",
"Microsoft.EntityFrameworkCore.SqlServer": "1.1.0",
"Microsoft.EntityFrameworkCore.Tools": "1.1.0-preview4-final",
"Microsoft.EntityFrameworkCore.Design": "1.1.0",
"Microsoft.EntityFrameworkCore.SqlServer.Design": "1.1.0",
"DataBase": "1.0.0-*",
"UnitOfWork": "1.0.0-*",
"ViewModel": "1.0.0-*",
"Common": "1.0.0-*",
"System.IdentityModel.Tokens.Jwt": "5.0.0",
"Microsoft.AspNetCore.Authentication.JwtBearer": "1.0.0",
"Microsoft.AspNetCore.Diagnostics": "1.0.0",
"Microsoft.AspNetCore.StaticFiles": "1.0.0",
"Microsoft.AspNetCore.Session": "1.1.0",
"Microsoft.Extensions.Caching.Memory": "1.1.0"
},
"tools": {
"Microsoft.AspNetCore.Server.IISIntegration.Tools": "1.0.0-preview2-final",
"Microsoft.EntityFrameworkCore.Tools.DotNet": "1.0.0-preview3-final",
"Microsoft.AspNetCore.Razor.Tools": "1.0.0-preview2-final"
},
"frameworks": {
"netcoreapp1.0": {
"imports": [
"dotnet5.6",
"portable-net45+win8"
]
}
},
"buildOptions": {
"emitEntryPoint": true,
"preserveCompilationContext": true
},
"runtimeOptions": {
"configProperties": {
"System.GC.Server": true
}
},
"publishOptions": {
"include": [
"wwwroot",
"**/*.cshtml",
"appsettings.json",
"web.config"
]
},
"scripts": {
"postpublish": [ "dotnet publish-iis --publish-folder %publish:OutputPath% --framework %publish:FullTargetFramework%" ]
}
}

commencer.cs fichier

public void ConfigureServices(IServiceCollection services)
{
services.AddMemoryCache();
services.AddSession();
//Add framework services.
services.AddMvc();
services.AddTransient<IMarketUOW, MarketUow>();
services.AddTransient<ICategoryUow, CategoryUow>();
services.AddTransient<IUserProfileUow, UserProfileUow>();
services.AddTransient<IItemUow, ItemUow>();
services.AddTransient(typeof(IGenericRepository<>), typeof(GenericRepository<>));
var connection = Configuration.GetConnectionString("DefaultConnection");
services.AddDbContext<EmakitiContext>(options => options.UseSqlServer(connection));
}
public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory)
{
app.UseSession();
app.UseMvc(routes =>
{
routes.MapRoute(
name: "default",
template: "{controller=Home}/{action=Index}/{id?}");
});
}

Ici est la mise en œuvre de tempdata.Lorsque cette méthode est appelée, je peux voir la valeur dans TempData.

[HttpGet("{pageNumber}")]
public GenericResponseObject<List<MarketViewModel>> GetMarketList(int pageNumber)
{
TempData["Currentpage"] = pageNumber;
TempData.Keep("Currentpage");
GenericResponseObject<List<MarketViewModel>> genericResponseObject = new GenericResponseObject<List<MarketViewModel>>();
genericResponseObject.IsSuccess = false;
genericResponseObject.Message = ConstaintStingValue.Tag_ConnectionFailed;
try
{
var marketItem = _iMarketUow.GetMarketList(pageNumber);
genericResponseObject.Data = marketItem.Item1;
var totalPages = (int)Math.Ceiling((decimal)marketItem.Item2 / (decimal)10);
genericResponseObject.TotalPage = totalPages;
genericResponseObject.IsSuccess = true;
genericResponseObject.Message = ConstaintStingValue.Tag_SuccessMessageRecord;
genericResponseObject.Message = ConstaintStingValue.Tag_ConnectionSuccess;
}
catch (Exception exception)
{
genericResponseObject.IsSuccess = false;
genericResponseObject.Message = exception.Message;
genericResponseObject.ErrorCode = exception.HResult;
genericResponseObject.ExceptionErrorMessage = exception.StackTrace;
}
return genericResponseObject;
}

Mais la méthode ci-dessous a la valeur null dans la temp de données.

[HttpPost]
public GenericResponseObject<List<MarketViewModel>> AddUpdateMarket([FromBody] MarketViewModel marketViewModel)
{
GenericResponseObject<List<MarketViewModel>> genericResponseObject = new GenericResponseObject<List<MarketViewModel>>();
genericResponseObject.IsSuccess = false;
genericResponseObject.Message = ConstaintStingValue.Tag_ConnectionFailed;
if (marketViewModel!= null && ModelState.IsValid)
{
try
{
_iMarketUow.AddUpdateMarketList(marketViewModel);
genericResponseObject = GetMarketList(Convert.ToInt16(TempData.Peek("Currentpage")));
}
catch (Exception exception)
{
genericResponseObject.IsSuccess = false;
genericResponseObject.Message = exception.Message;
genericResponseObject.ErrorCode = exception.HResult;
genericResponseObject.ExceptionErrorMessage = exception.StackTrace;
}
}
else
{
genericResponseObject.Message = ConstaintStingValue.Tag_InputDataFormatNotMatch;
}
return genericResponseObject;
}

Ici est l'image de la session de débogage

TempData null dans asp.net de base

TempData null dans asp.net de base

J'ai eu le même problème et j'ai réalisé que c'était à cause de j'ai été en utilisant privé onglet du navigateur
Pour référence: docs.microsoft.com/en-us/aspnet/core/fundamentals/...

OriginalL'auteur San Jaisy | 2017-01-19