Added the Forms sample in Blazor platform

Forms/OpenPDFFromStream_ByteArrary/Blazor/BlazorPDFGettingStarted.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.6.33723.286
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BlazorPDFGettingStarted", "BlazorPDFGettingStarted\BlazorPDFGettingStarted.csproj", "{BA279A83-F445-4234-AF7E-BB3F31D95D4E}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{BA279A83-F445-4234-AF7E-BB3F31D95D4E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{BA279A83-F445-4234-AF7E-BB3F31D95D4E}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{BA279A83-F445-4234-AF7E-BB3F31D95D4E}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{BA279A83-F445-4234-AF7E-BB3F31D95D4E}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {4E522B04-97B1-49FF-B760-E40453111008}
+	EndGlobalSection
+EndGlobal

Forms/OpenPDFFromStream_ByteArrary/Blazor/BlazorPDFGettingStarted/App.razor

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

Forms/OpenPDFFromStream_ByteArrary/Blazor/BlazorPDFGettingStarted/BlazorPDFGettingStarted.csproj

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+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Syncfusion.Pdf.Net.Core" Version="22.2.5" />
+  </ItemGroup>
+
+</Project>

Forms/OpenPDFFromStream_ByteArrary/Blazor/BlazorPDFGettingStarted/Data/PdfService.cs

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+using Syncfusion.Pdf;
+using Syncfusion.Pdf.Graphics;
+using Syncfusion.Pdf.Grid;
+using Syncfusion.Drawing;
+using Syncfusion.Pdf.Parsing;
+using System.IO;
+
+namespace BlazorPDFGettingStarted
+{
+    public class PdfService
+    {
+
+        public static MemoryStream FillPdfForm(Stream inputFileStream)
+        {
+            try
+            {
+                PdfLoadedDocument document = new PdfLoadedDocument(inputFileStream);
+                PdfLoadedForm form = document.Form;
+
+                PdfLoadedFormFieldCollection fields = form.Fields;
+
+                for(int i = 0; i< fields.Count; i++)
+                {
+                    if (fields[i] is PdfLoadedTextBoxField)
+                    {
+                        PdfLoadedTextBoxField textBoxField = fields[i] as PdfLoadedTextBoxField;
+                        switch (textBoxField.Name)
+                        {
+                            case "txtFirst":
+                                textBoxField.Text = "Johnson";
+                                break;
+                            case "txtLast":
+                                textBoxField.Text = "Smith";
+                                break;
+                            case "txtPhone":
+                                textBoxField.Text = "9192356837";
+                                break;
+                            case "txtEmail":
+                                textBoxField.Text = "[email protected]";
+                                break;
+                            case "txtAck":
+                                textBoxField.Text = "7/28/2023";
+                                break;
+                        }
+
+                    }
+                }
+
+                using (MemoryStream stream = new MemoryStream())
+                {
+                    //Saving the PDF document into the stream
+                    document.Save(stream);
+                    //Closing the PDF document
+                    document.Close(true);
+                    return stream;
+                }
+
+            }
+            catch (System.Exception ex)
+            {
+                throw ex;
+            }
+
+        }
+
+        public static MemoryStream FillPdfForm(byte[] inputBytes)
+        {
+            try
+            {
+                PdfLoadedDocument document = new PdfLoadedDocument(inputBytes);
+                PdfLoadedForm form = document.Form;
+
+                PdfLoadedFormFieldCollection fields = form.Fields;
+
+                for (int i = 0; i < fields.Count; i++)
+                {
+                    if (fields[i] is PdfLoadedTextBoxField)
+                    {
+                        PdfLoadedTextBoxField textBoxField = fields[i] as PdfLoadedTextBoxField;
+                        switch (textBoxField.Name)
+                        {
+                            case "txtFirst":
+                                textBoxField.Text = "Johnson";
+                                break;
+                            case "txtLast":
+                                textBoxField.Text = "Smith";
+                                break;
+                            case "txtPhone":
+                                textBoxField.Text = "9192356837";
+                                break;
+                            case "txtEmail":
+                                textBoxField.Text = "[email protected]";
+                                break;
+                            case "txtAck":
+                                textBoxField.Text = "7/28/2023";
+                                break;
+                        }
+
+                    }
+                }
+
+                using (MemoryStream stream = new MemoryStream())
+                {
+                    //Saving the PDF document into the stream
+                    document.Save(stream);
+                    //Closing the PDF document
+                    document.Close(true);
+                    return stream;
+                }
+
+            }
+            catch (System.Exception ex)
+            {
+                throw ex;
+            }
+
+        }
+    }
+}

Forms/OpenPDFFromStream_ByteArrary/Blazor/BlazorPDFGettingStarted/Data/WeatherForecast.cs

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

Forms/OpenPDFFromStream_ByteArrary/Blazor/BlazorPDFGettingStarted/Data/WeatherForecastService.cs

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

Forms/OpenPDFFromStream_ByteArrary/Blazor/BlazorPDFGettingStarted/FileUtil.cs

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+using Microsoft.JSInterop;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace BlazorPDFGettingStarted
+{
+    public static class FileUtil
+    {
+        public static ValueTask<object> SaveAs(this IJSRuntime js, string filename, byte[] data)
+       => js.InvokeAsync<object>(
+           "saveAsFile",
+           filename,
+           Convert.ToBase64String(data));
+    }
+}

Forms/OpenPDFFromStream_ByteArrary/Blazor/BlazorPDFGettingStarted/Pages/Counter.razor

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

Forms/OpenPDFFromStream_ByteArrary/Blazor/BlazorPDFGettingStarted/Pages/Error.cshtml

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+@page
+@model BlazorPDFGettingStarted.Pages.ErrorModel
+
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
+    <title>Error</title>
+    <link href="~/css/bootstrap/bootstrap.min.css" rel="stylesheet" />
+    <link href="~/css/site.css" rel="stylesheet" asp-append-version="true" />
+</head>
+
+<body>
+    <div class="main">
+        <div class="content px-4">
+            <h1 class="text-danger">Error.</h1>
+            <h2 class="text-danger">An error occurred while processing your request.</h2>
+
+            @if (Model.ShowRequestId)
+            {
+                <p>
+                    <strong>Request ID:</strong> <code>@Model.RequestId</code>
+                </p>
+            }
+
+            <h3>Development Mode</h3>
+            <p>
+                Swapping to the <strong>Development</strong> environment displays detailed information about the error that occurred.
+            </p>
+            <p>
+                <strong>The Development environment shouldn't be enabled for deployed applications.</strong>
+                It can result in displaying sensitive information from exceptions to end users.
+                For local debugging, enable the <strong>Development</strong> environment by setting the <strong>ASPNETCORE_ENVIRONMENT</strong> environment variable to <strong>Development</strong>
+                and restarting the app.
+            </p>
+        </div>
+    </div>
+</body>
+
+</html>

Forms/OpenPDFFromStream_ByteArrary/Blazor/BlazorPDFGettingStarted/Pages/Error.cshtml.cs

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

Forms/OpenPDFFromStream_ByteArrary/Blazor/BlazorPDFGettingStarted/Pages/FetchData.razor

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