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Added getting started example for dropdown list
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‎App.razor

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<Router AppAssembly="@typeof(Program).Assembly">
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<Found Context="routeData">
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<RouteView RouteData="@routeData" DefaultLayout="@typeof(MainLayout)" />
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</Found>
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<NotFound>
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<LayoutView Layout="@typeof(MainLayout)">
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<p>Sorry, there's nothing at this address.</p>
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</LayoutView>
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</NotFound>
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</Router>

‎BlazorExample.csproj

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<Project Sdk="Microsoft.NET.Sdk.Web">
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<PropertyGroup>
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<TargetFramework>netcoreapp3.1</TargetFramework>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="Syncfusion.Blazor" Version="18.1.0.36-beta" />
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</ItemGroup>
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</Project>

‎Data/WeatherForecast.cs

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using System;
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namespace BlazorExample.Data
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{
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public class WeatherForecast
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{
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public DateTime Date { get; set; }
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public int TemperatureC { get; set; }
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public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);
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public string Summary { get; set; }
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}
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}

‎Data/WeatherForecastService.cs

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using System;
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using System.Linq;
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using System.Threading.Tasks;
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namespace BlazorExample.Data
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{
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public class WeatherForecastService
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{
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private static readonly string[] Summaries = new[]
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{
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"Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching"
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};
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public Task<WeatherForecast[]> GetForecastAsync(DateTime startDate)
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{
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var rng = new Random();
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return Task.FromResult(Enumerable.Range(1, 5).Select(index => new WeatherForecast
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{
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Date = startDate.AddDays(index),
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TemperatureC = rng.Next(-20, 55),
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Summary = Summaries[rng.Next(Summaries.Length)]
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}).ToArray());
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}
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}
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}

‎Pages/Counter.razor

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@page "/counter"
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<h1>Counter</h1>
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<p>Current count: @currentCount</p>
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<button class="btn btn-primary" @onclick="IncrementCount">Click me</button>
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@code {
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private int currentCount = 0;
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private void IncrementCount()
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{
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currentCount++;
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}
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}

‎Pages/Error.razor

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@page "/error"
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<h1 class="text-danger">Error.</h1>
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<h2 class="text-danger">An error occurred while processing your request.</h2>
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<h3>Development Mode</h3>
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<p>
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Swapping to <strong>Development</strong> environment will display more detailed information about the error that occurred.
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</p>
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<p>
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<strong>The Development environment shouldn't be enabled for deployed applications.</strong>
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It can result in displaying sensitive information from exceptions to end users.
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For local debugging, enable the <strong>Development</strong> environment by setting the <strong>ASPNETCORE_ENVIRONMENT</strong> environment variable to <strong>Development</strong>
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and restarting the app.
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</p>

‎Pages/FetchData.razor

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@page "/fetchdata"
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@using BlazorExample.Data
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@inject WeatherForecastService ForecastService
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<h1>Weather forecast</h1>
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<p>This component demonstrates fetching data from a service.</p>
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@if (forecasts == null)
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{
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<p><em>Loading...</em></p>
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}
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else
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{
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<table class="table">
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<thead>
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<tr>
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<th>Date</th>
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<th>Temp. (C)</th>
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<th>Temp. (F)</th>
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<th>Summary</th>
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</tr>
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</thead>
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<tbody>
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@foreach (var forecast in forecasts)
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{
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<tr>
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<td>@forecast.Date.ToShortDateString()</td>
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<td>@forecast.TemperatureC</td>
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<td>@forecast.TemperatureF</td>
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<td>@forecast.Summary</td>
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</tr>
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}
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</tbody>
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</table>
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}
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@code {
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private WeatherForecast[] forecasts;
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protected override async Task OnInitializedAsync()
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{
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forecasts = await ForecastService.GetForecastAsync(DateTime.Now);
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}
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}

‎Pages/Index.razor

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@page "/"
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<div class="control_wrapper">
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<SfDropDownList DataSource="@Games" TValue="string" TItem="GamesData"
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Placeholder="Select a game" PopupHeight="400px" PopupWidth="250px">
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<DropDownListFieldSettings Value="ID" Text="Name">
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</DropDownListFieldSettings>
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</SfDropDownList>
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@*Remote Data Source code snippet*@
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@*<SfDropDownList TValue="string" TItem="EmployeeData"
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Placeholder="Select a name">
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<DropDownListFieldSettings Value="EmployeeID" Text="FirstName">
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</DropDownListFieldSettings>
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<SfDataManager Url="https://ej2services.syncfusion.com/production/web-services/api/Employees"
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Adaptor="Syncfusion.Blazor.Adaptors.WebApiAdaptor"
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CrossDomain=true>
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</SfDataManager>
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</SfDropDownList>*@
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</div>
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@code {
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//Remote Data Source code snippet
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//public class EmployeeData
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//{
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// public int EmployeeID { get; set; }
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// public string FirstName { get; set; }
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// public string Designation { get; set; }
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// public string Country { get; set; }
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//}
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public class GamesData
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{
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public string ID { get; set; }
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public string Name { get; set; }
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}
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List<GamesData>
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Games = new List<GamesData>
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{
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new GamesData() { ID= "Game1", Name= "Badminton" },
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new GamesData() { ID= "Game2", Name= "Basketball" },
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new GamesData() { ID= "Game3", Name= "Cricket" },
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new GamesData() { ID= "Game4", Name= "Football" },
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new GamesData() { ID= "Game5", Name= "Golf" },
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new GamesData() { ID= "Game6", Name= "Hockey" },
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new GamesData() { ID= "Game7", Name= "Tennis"},
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};
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}
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<style>
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.control_wrapper {
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width: 250px;
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margin-left: 40%;
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margin-right: 40%;
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margin-top: 15%;
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margin-bottom: 15%;
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}
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</style>

‎Pages/_Host.cshtml

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@page "/"
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@namespace BlazorExample.Pages
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@addTagHelper *, Microsoft.AspNetCore.Mvc.TagHelpers
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@{
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Layout = null;
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}
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>BlazorExample</title>
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<base href="~/" />
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<link rel="stylesheet" href="css/bootstrap/bootstrap.min.css" />
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<link href="css/site.css" rel="stylesheet" />
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<link href="_content/Syncfusion.Blazor/styles/material.css" rel="stylesheet" />
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</head>
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<body>
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<app>
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<component type="typeof(App)" render-mode="ServerPrerendered" />
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</app>
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<div id="blazor-error-ui">
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<environment include="Staging,Production">
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An error has occurred. This application may no longer respond until reloaded.
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</environment>
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<environment include="Development">
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An unhandled exception has occurred. See browser dev tools for details.
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</environment>
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<a href="" class="reload">Reload</a>
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<a class="dismiss">🗙</a>
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</div>
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<script src="_framework/blazor.server.js"></script>
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</body>
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</html>

‎Program.cs

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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Threading.Tasks;
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using Microsoft.AspNetCore;
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using Microsoft.AspNetCore.Hosting;
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using Microsoft.Extensions.Configuration;
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using Microsoft.Extensions.Hosting;
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using Microsoft.Extensions.Logging;
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namespace BlazorExample
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{
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public class Program
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{
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public static void Main(string[] args)
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{
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CreateHostBuilder(args).Build().Run();
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}
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public static IHostBuilder CreateHostBuilder(string[] args) =>
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Host.CreateDefaultBuilder(args)
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.ConfigureWebHostDefaults(webBuilder =>
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{
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webBuilder.UseStartup<Startup>();
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});
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}
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}

‎Properties/launchSettings.json

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{
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"iisSettings": {
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"windowsAuthentication": false,
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"anonymousAuthentication": true,
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"iisExpress": {
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"applicationUrl": "http://localhost:59220",
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"sslPort": 44375
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}
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},
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"profiles": {
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"IIS Express": {
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"commandName": "IISExpress",
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"launchBrowser": true,
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"environmentVariables": {
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"ASPNETCORE_ENVIRONMENT": "Development"
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}
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},
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"BlazorExample": {
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"commandName": "Project",
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"launchBrowser": true,
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"applicationUrl": "https://localhost:5001;http://localhost:5000",
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"environmentVariables": {
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"ASPNETCORE_ENVIRONMENT": "Development"
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}
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}
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}
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}

‎README.md

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# blazor-dropdown-list-getting-started-example
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# Add a Blazor Dropdown List to a Blazor Server App
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A quick overview on how to create and configure the Syncfusion Blazor Dropdown List in a Blazor Server app using Visual Studio Code. You will learn how to add Syncfusion Blazor Dropdown List to a Blazor Server application. You will see how to populate it with JSON data and remote data sources. You will also learn how to set a custom height and width for the Dropdown List pop-up.
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Example: https://blazor.syncfusion.com/demos/dropdown-list/default-functionalities
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Documentation: https://blazor.syncfusion.com/documentation/dropdown-list/getting-started
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## Project pre-requisites
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Make sure that you have the compatible versions of Visual Studio 2019 and .NET Core SDK 3.1.2 in your machine before starting to work on this project.
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## How to run this application?
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To run this application, you need to first clone the `blazor-dropdown-list-getting-started-example` repository and then open it in Visual Studio 2019. Now, simply build and run your project to view the output.
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‎Shared/MainLayout.razor

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@inherits LayoutComponentBase
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<div class="sidebar">
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<NavMenu />
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</div>
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<div class="main">
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<div class="top-row px-4">
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<a href="https://docs.microsoft.com/aspnet/" target="_blank">About</a>
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</div>
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<div class="content px-4">
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@Body
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</div>
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</div>

‎Shared/NavMenu.razor

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<div class="top-row pl-4 navbar navbar-dark">
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<a class="navbar-brand" href="">BlazorExample</a>
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<button class="navbar-toggler" @onclick="ToggleNavMenu">
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<span class="navbar-toggler-icon"></span>
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</button>
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</div>
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<div class="@NavMenuCssClass" @onclick="ToggleNavMenu">
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<ul class="nav flex-column">
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<li class="nav-item px-3">
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<NavLink class="nav-link" href="" Match="NavLinkMatch.All">
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<span class="oi oi-home" aria-hidden="true"></span> Home
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</NavLink>
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</li>
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<li class="nav-item px-3">
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<NavLink class="nav-link" href="counter">
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<span class="oi oi-plus" aria-hidden="true"></span> Counter
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</NavLink>
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</li>
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<li class="nav-item px-3">
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<NavLink class="nav-link" href="fetchdata">
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<span class="oi oi-list-rich" aria-hidden="true"></span> Fetch data
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</NavLink>
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</li>
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</ul>
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</div>
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@code {
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private bool collapseNavMenu = true;
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private string NavMenuCssClass => collapseNavMenu ? "collapse" : null;
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private void ToggleNavMenu()
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{
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collapseNavMenu = !collapseNavMenu;
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}
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}

‎Shared/SurveyPrompt.razor

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<div class="alert alert-secondary mt-4" role="alert">
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<span class="oi oi-pencil mr-2" aria-hidden="true"></span>
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<strong>@Title</strong>
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<span class="text-nowrap">
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Please take our
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<a target="_blank" class="font-weight-bold" href="https://go.microsoft.com/fwlink/?linkid=2112271">brief survey</a>
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</span>
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and tell us what you think.
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</div>
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@code {
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// Demonstrates how a parent component can supply parameters
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[Parameter]
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public string Title { get; set; }
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}

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