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Commit 040dc1e

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chore(demos): add remote binding listbox example
1 parent bb3b6b2 commit 040dc1e

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7 files changed

+156
-4
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7 files changed

+156
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lines changed
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using Microsoft.AspNetCore.Mvc;
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using System.Linq;
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using Telerik.Examples.Mvc.Database;
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namespace Telerik.Examples.Mvc.Controllers.ListBox
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{
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public class RemoteBindingController : Controller
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{
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private readonly InMemoryDbContext _dbContext;
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public RemoteBindingController(InMemoryDbContext dbContext)
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{
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_dbContext = dbContext;
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}
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public IActionResult RemoteBinding()
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{
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return View();
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}
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public IActionResult GetEmployees()
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{
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var employees = _dbContext.Employees.ToList();
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return Json(employees);
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}
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}
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}
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using Microsoft.AspNetCore.Mvc.Rendering;
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using Microsoft.EntityFrameworkCore;
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using Telerik.Examples.Mvc.Models;
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namespace Telerik.Examples.Mvc.Database
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{
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public class InMemoryDbContext: DbContext
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{
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public InMemoryDbContext(DbContextOptions<InMemoryDbContext> options)
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: base(options)
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{ }
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protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
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{
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base.OnConfiguring(optionsBuilder);
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}
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public DbSet<EmployeeViewModel> Employees { get; set; }
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}
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}

‎Telerik.Examples.Mvc/Telerik.Examples.Mvc/Models/EmployeeViewModel.cs

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using System;
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using System.Collections.Generic;
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using System.ComponentModel.DataAnnotations;
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using System.Linq;
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using System.Threading.Tasks;
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namespace Telerik.Examples.Mvc.Models
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{
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public class EmployeeViewModel
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{
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[Key]
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public int Id { get; set; }
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public string Name { get; set; }

‎Telerik.Examples.Mvc/Telerik.Examples.Mvc/Program.cs

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using Microsoft.AspNetCore.OData;
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using Microsoft.OData.Edm;
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using Microsoft.OData.ModelBuilder;
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using Telerik.Examples.Mvc.Database;
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using Telerik.Examples.Mvc.Seeders;
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var builder = WebApplication.CreateBuilder(args);
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builder.Services.Configure<RazorViewEngineOptions>(options =>
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{
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options.ViewLocationFormats.Add("/Views/ListBox/{0}" + RazorViewEngine.ViewExtension);
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options.ViewLocationFormats.Add("/Views/Captcha/{0}" + RazorViewEngine.ViewExtension);
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options.ViewLocationFormats.Add("/Views/Grid/{0}" + RazorViewEngine.ViewExtension);
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options.ViewLocationFormats.Add("/Views/ImageEditor/{0}" + RazorViewEngine.ViewExtension);
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builder.Services.AddDbContext<GeneralDbContext>(options =>
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options.UseSqlServer(builder.Configuration.GetConnectionString("DefaultConnection")));
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builder.Services.AddDbContext<InMemoryDbContext>(options =>
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options.UseInMemoryDatabase("TelerikCoreDb")
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);
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builder.Services.AddDefaultIdentity<IdentityUser>(options =>
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{
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options.SignIn.RequireConfirmedAccount = false;
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builder.Services
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.AddDistributedMemoryCache()
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.AddSession(opts => {
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.AddSession(opts =>
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{
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opts.Cookie.IsEssential = true;
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});
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endpoints.MapRazorPages();
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});
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using var serviceScope = app.Services.CreateScope();
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var context = serviceScope.ServiceProvider.GetRequiredService<GeneralDbContext>();
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context.Database.Migrate();
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using (var serviceScope = app.Services.CreateScope())
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{
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var context = serviceScope.ServiceProvider.GetRequiredService<GeneralDbContext>();
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context.Database.Migrate();
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var inMemoryContext = serviceScope.ServiceProvider.GetRequiredService<InMemoryDbContext>();
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DataSeeder.SeedListBoxItems(inMemoryContext);
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}
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app.Run();
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using Microsoft.AspNetCore.Mvc.Rendering;
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using Microsoft.EntityFrameworkCore;
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using System.Collections.Generic;
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using System.Linq;
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using Telerik.Examples.Mvc.Database;
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using Telerik.Examples.Mvc.Models;
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namespace Telerik.Examples.Mvc.Seeders
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{
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public class DataSeeder
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{
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public static void SeedListBoxItems(InMemoryDbContext dbContext)
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{
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if (dbContext.Employees.Any())
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{
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return;
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}
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var employees = new List<EmployeeViewModel>
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{
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new EmployeeViewModel(){ Id = 1, Name = "Steven White" },
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new EmployeeViewModel(){ Id = 2, Name = "Nancy King" },
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new EmployeeViewModel(){ Id = 3, Name = "Nancy Davolio" },
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new EmployeeViewModel(){ Id = 4, Name = "Michael Leverling" },
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new EmployeeViewModel(){ Id = 5, Name = "Andrew Callahan" },
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new EmployeeViewModel(){ Id = 6, Name = "Michael Suyama" },
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};
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dbContext.Employees.AddRange(employees);
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dbContext.SaveChanges();
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}
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}
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}

‎Telerik.Examples.Mvc/Telerik.Examples.Mvc/Telerik.Examples.Mvc.csproj

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<PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="9.0.2" />
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<PackageReference Include="Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation" Version="9.0.2" />
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<PackageReference Include="Microsoft.AspNetCore.OData" Version="9.2.0" />
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<PackageReference Include="Microsoft.EntityFrameworkCore.InMemory" Version="9.0.2" />
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<PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="9.0.2" />
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<PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="9.0.2">
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<PrivateAssets>all</PrivateAssets>
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<div id="example">
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<h3 id="heading">Remote Binding</h3>
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<div class="demo-section wide">
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@(Html.Kendo().ListBox()
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.Name("optional")
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.DataTextField("Name")
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.DataValueField("Id")
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.Toolbar(toolbar =>
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{
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toolbar.Position(ListBoxToolbarPosition.Right);
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toolbar.Tools(tools => tools
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.MoveUp()
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.MoveDown()
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.TransferTo()
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.TransferFrom()
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.TransferAllTo()
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.TransferAllFrom()
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.Remove()
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);
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})
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.ConnectWith("selected")
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.DataSource(dataSource => dataSource
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.Read("GetEmployees", "RemoteBinding")
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)
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)
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@(Html.Kendo().ListBox()
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.Name("selected")
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.DataTextField("Name")
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.DataValueField("Id")
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.BindTo(new List<EmployeeViewModel>())
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.Selectable(ListBoxSelectable.Multiple)
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)
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</div>
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</div>
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<style>
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#heading {
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justify-content: center;
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display: flex;
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}
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#example .demo-section {
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text-align: center;
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}
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#example .k-listbox {
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width: 236px;
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height: 360px;
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}
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#example .k-listbox:first-of-type {
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width: 270px;
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margin-right: 5px;
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}
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</style>

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