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UmaMaheswariChandraboseUmaMaheswariChandrabose
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Merge pull request #1 from SuganyaRathinam/master
Added a PDF getting started sample
2 parents 763018b + 592beea commit 6435e05

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‎App.razor‎

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<Router AppAssembly="@typeof(App).Assembly">
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<Found Context="routeData">
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<RouteView RouteData="@routeData" DefaultLayout="@typeof(MainLayout)" />
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<FocusOnNavigate RouteData="@routeData" Selector="h1" />
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</Found>
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<NotFound>
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<PageTitle>Not found</PageTitle>
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<LayoutView Layout="@typeof(MainLayout)">
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<p role="alert">Sorry, there's nothing at this address.</p>
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</LayoutView>
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</NotFound>
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</Router>

‎BlazorPDF.csproj‎

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<Project Sdk="Microsoft.NET.Sdk.Web">
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<PropertyGroup>
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<TargetFramework>net7.0</TargetFramework>
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<Nullable>enable</Nullable>
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<ImplicitUsings>enable</ImplicitUsings>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="Syncfusion.Pdf.Net.Core" Version="20.4.0.43" />
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</ItemGroup>
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</Project>

‎BlazorPDF.csproj.user‎

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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="Current" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<PropertyGroup>
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<ActiveDebugProfile>IIS Express</ActiveDebugProfile>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
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<DebuggerFlavor>ProjectDebugger</DebuggerFlavor>
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</PropertyGroup>
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</Project>

‎Pages/Counter.razor‎

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@page "/counter"
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<PageTitle>Counter</PageTitle>
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<h1>Counter</h1>
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<p role="status">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.cshtml‎

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@page
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@model BlazorPDF.Pages.ErrorModel
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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, maximum-scale=1.0, user-scalable=no" />
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<title>Error</title>
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<link href="~/css/bootstrap/bootstrap.min.css" rel="stylesheet" />
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<link href="~/css/site.css" rel="stylesheet" asp-append-version="true" />
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</head>
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<body>
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<div class="main">
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<div class="content px-4">
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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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@if (Model.ShowRequestId)
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{
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<p>
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<strong>Request ID:</strong> <code>@Model.RequestId</code>
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</p>
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}
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<h3>Development Mode</h3>
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<p>
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Swapping to the <strong>Development</strong> environment displays 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>
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</div>
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</div>
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</body>
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</html>

‎Pages/Error.cshtml.cs‎

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using Microsoft.AspNetCore.Mvc;
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using Microsoft.AspNetCore.Mvc.RazorPages;
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using System.Diagnostics;
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namespace BlazorPDF.Pages
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{
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[ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
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[IgnoreAntiforgeryToken]
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public class ErrorModel : PageModel
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{
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public string? RequestId { get; set; }
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public bool ShowRequestId => !string.IsNullOrEmpty(RequestId);
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private readonly ILogger<ErrorModel> _logger;
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public ErrorModel(ILogger<ErrorModel> logger)
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{
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_logger = logger;
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}
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public void OnGet()
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{
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RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier;
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}
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}
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}

‎Pages/FetchData.razor‎

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@page "/fetchdata"
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@using BlazorPDF.Data
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@inject WeatherForecastService ForecastService
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<PageTitle>Weather forecast</PageTitle>
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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(DateOnly.FromDateTime(DateTime.Now));
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}
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}

‎Pages/Index.razor‎

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@page "/"
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@using BlazorPDF.Data;
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@inject Microsoft.AspNetCore.Hosting.IWebHostEnvironment hostingEnvironment
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@inject Microsoft.JSInterop.IJSRuntime JS
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<h2>PDF Library</h2>
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<p>Click the button to view a PDF document generated by Blazor PDF library.</p>
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<button class="btn btn-primary" onclick="@CreatePDF">Create PDF</button>
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@code{
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protected async void CreatePDF()
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{
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ExportService service = new ExportService(hostingEnvironment);
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MemoryStream documentStream = service.CreatePDF();
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await JS.InvokeAsync<object>(
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"saveAsFile",
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"Invoice.pdf",
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Convert.ToBase64String(documentStream.ToArray()));
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}
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}

‎Pages/_Host.cshtml‎

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@page "/"
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@using Microsoft.AspNetCore.Components.Web
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@namespace BlazorPDF.Pages
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@addTagHelper *, Microsoft.AspNetCore.Mvc.TagHelpers
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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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<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="BlazorPDF.styles.css" rel="stylesheet" />
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<link rel="icon" type="image/png" href="favicon.png"/>
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<component type="typeof(HeadOutlet)" render-mode="ServerPrerendered" />
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</head>
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<body>
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<component type="typeof(App)" render-mode="ServerPrerendered" />
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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 type="text/javascript">
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function saveAsFile(filename, bytesBase64) {
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if (navigator.msSaveBlob) {
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//Download document in Edge browser
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var data = window.atob(bytesBase64);
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var bytes = new Uint8Array(data.length);
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for (var i = 0; i < data.length; i++) {
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bytes[i] = data.charCodeAt(i);
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}
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var blob = new Blob([bytes.buffer], { type: "application/octet-stream" });
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navigator.msSaveBlob(blob, filename);
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}
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else {
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var link = document.createElement('a');
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link.download = filename;
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link.href = "data:application/octet-stream;base64," + bytesBase64;
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document.body.appendChild(link); // Needed for Firefox
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link.click();
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document.body.removeChild(link);
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}
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}
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</script>
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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 BlazorPDF.Data;
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using Microsoft.AspNetCore.Components;
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using Microsoft.AspNetCore.Components.Web;
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var builder = WebApplication.CreateBuilder(args);
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Syncfusion.Licensing.SyncfusionLicenseProvider.RegisterLicense("OTEwODM4QDMyMzAyZTM0MmUzMGwybS9hbGswSEo2eURRRjFCVVUxc0FlWFAvWDdCanIvRGlvS084N0pYR1k9");
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// Add services to the container.
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builder.Services.AddRazorPages();
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builder.Services.AddServerSideBlazor();
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builder.Services.AddSingleton<WeatherForecastService>();
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var app = builder.Build();
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// Configure the HTTP request pipeline.
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if (!app.Environment.IsDevelopment())
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{
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app.UseExceptionHandler("/Error");
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// The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
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app.UseHsts();
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}
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app.UseHttpsRedirection();
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app.UseStaticFiles();
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app.UseRouting();
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app.MapBlazorHub();
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app.MapFallbackToPage("/_Host");
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app.Run();

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