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Merge pull request #53 from SyncfusionExamples/EJ2-942250-loadDiffDoc
942250: Sample on How to Load Documents with links and Validate Form Fields
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‎How to/Load Documents with links and Validate Form Fields/CoreSample.sln‎

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio Version 17
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VisualStudioVersion = 17.8.34309.116
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "CoreSample", "CoreSample\CoreSample.csproj", "{74B177C7-8BEA-4FC2-8067-208F7A494DA3}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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Release|Any CPU = Release|Any CPU
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Release-Xml|Any CPU = Release-Xml|Any CPU
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{74B177C7-8BEA-4FC2-8067-208F7A494DA3}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{74B177C7-8BEA-4FC2-8067-208F7A494DA3}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{74B177C7-8BEA-4FC2-8067-208F7A494DA3}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{74B177C7-8BEA-4FC2-8067-208F7A494DA3}.Release|Any CPU.Build.0 = Release|Any CPU
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{74B177C7-8BEA-4FC2-8067-208F7A494DA3}.Release-Xml|Any CPU.ActiveCfg = Release|Any CPU
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{74B177C7-8BEA-4FC2-8067-208F7A494DA3}.Release-Xml|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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EndGlobalSection
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GlobalSection(ExtensibilityGlobals) = postSolution
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SolutionGuid = {0548ECA4-3BAC-44DB-90D2-F6C447AD24CC}
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EndGlobalSection
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EndGlobal

‎How to/Load Documents with links and Validate Form Fields/CoreSample/CoreSample.csproj‎

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<Project Sdk="Microsoft.NET.Sdk.Web">
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<PropertyGroup>
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<TargetFramework>net8.0</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="SkiaSharp.NativeAssets.Linux" Version="2.88.8" />
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<PackageReference Include="Syncfusion.EJ2.AspNet.Core" Version="*" />
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<PackageReference Include="Syncfusion.EJ2.PdfViewer.AspNet.Core" Version="*" />
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</ItemGroup>
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<ItemGroup>
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<None Update="PDF_Succinctly.pdf">
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<CopyToOutputDirectory>Always</CopyToOutputDirectory>
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</None>
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</ItemGroup>
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</Project>

‎How to/Load Documents with links and Validate Form Fields/CoreSample/CoreSample.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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<NameOfLastUsedPublishProfile>D:\EJ2 Materials\ASP.NET.Core\8.0\CoreSample8.01999985370\CoreSample\CoreSample\Properties\PublishProfiles\CoreSample20240719165733 - Web Deploy.pubxml</NameOfLastUsedPublishProfile>
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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>

‎How to/Load Documents with links and Validate Form Fields/CoreSample/NuGet.config‎

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<?xml version="1.0" encoding="utf-8"?>
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<configuration>
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<packageSources>
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<clear />
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<add key="nuget.org" value="https://api.nuget.org/v3/index.json" />
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</packageSources>
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<fallbackPackageFolders>
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<clear />
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</fallbackPackageFolders>
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<disabledPackageSources>
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<clear />
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</disabledPackageSources>
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</configuration>

‎How to/Load Documents with links and Validate Form Fields/CoreSample/Pages/Error.cshtml‎

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@page
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@model ErrorModel
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@{
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ViewData["Title"] = "Error";
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}
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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>

‎How to/Load Documents with links and Validate Form Fields/CoreSample/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 CoreSample.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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}

‎How to/Load Documents with links and Validate Form Fields/CoreSample/Pages/Index.cshtml‎

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@page "{handler?}"
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@model IndexModel
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@{
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// Set the page title for the browser tab
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ViewData["Title"] = "Home page";
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// Build the base URL for the application using current request information
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var originUrl = $"{Request.Scheme}://{Request.Host}{Request.PathBase}";
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// Define the default document path
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var document = originUrl + "/PDF_Succinctly.pdf";
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// Set the resource URL for Syncfusion PDF Viewer library files
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var resourceUrl = originUrl + "/ej2-pdfviewer-lib";
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}
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<div>
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<h5>Select Document to View</h5>
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<ul>
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<li id="set" onclick="loadDocument1()"><a href="#">Document 1</a></li>
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<li id="set" onclick="loadDocument2()"><a href="#">Document 2</a></li>
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<li id="set" onclick="loadDocument3()"><a href="#">Document 3</a></li>
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</ul>
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<ejs-pdfviewer id="pdfviewer" style="height:600px" resourceUrl=@resourceUrl formFieldPropertiesChange="formFieldPropertiesChange" formFieldAdd="onFormFieldAdd">
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</ejs-pdfviewer>
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</div>
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<script>
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var originUrl = '@originUrl';
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function loadDocument1() {
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var viewer = document.getElementById('pdfviewer').ej2_instances[0];
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viewer.load(originUrl + "/form-filling-document.pdf", "null");
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}
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function loadDocument2() {
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var viewer = document.getElementById('pdfviewer').ej2_instances[0];
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viewer.load(originUrl + "/form-designer.pdf", "null");
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}
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function loadDocument3() {
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var viewer = document.getElementById('pdfviewer').ej2_instances[0];
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viewer.load(originUrl + "/pdf-succinctly (5).pdf", "null");
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}
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function validateEmail(value) {
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const emailRegex = /^[^\s@@]+@@[^\s@@]+\.[^\s@@]+$/;
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return emailRegex.test(value);
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}
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function validateNumber(value) {
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const numberRegex = /^[0-9]+$/;
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return numberRegex.test(value);
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}
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function validateDate(value) {
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const dateRegex = /^\d{4}-\d{2}-\d{2}$/;
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return dateRegex.test(value);
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}
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function onFormFieldAdd(event) {
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console.log('New form field added:', event.field);
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if (event.field.type === 'Text') {
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event.field.placeholder = 'Enter text here...';
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}
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}
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function formFieldPropertiesChange(event) {
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const viewer = document.getElementById('pdfviewer').ej2_instances[0];
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const field = event.field;
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const value = field.value;
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let isValid = true;
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// Remove '_content' from the field ID if it exists
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const fieldIdWithoutContent = field.id.replace('_content', '');
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// Find the matching field in the form field collection
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const formFields = viewer.formFieldCollections;
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const matchingField = formFields.find(f => f.id === fieldIdWithoutContent);
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if (!matchingField) {
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console.error(`Field with ID "${fieldIdWithoutContent}" not found in the form field collection.`);
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return;
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}
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// Validate based on field name
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if (matchingField.name.includes('My Email')) {
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isValid = validateEmail(value);
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} else if (matchingField.name.includes('My Phone')) {
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isValid = validateNumber(value);
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} else if (matchingField.name.includes('dob')) {
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isValid = validateDate(value);
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}
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if (!isValid) {
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// Update field properties to show invalid state (red border), keep the value as is
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viewer.formDesigner.updateFormField(matchingField, { borderColor: 'red' });
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} else {
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// Reset to the default border color when valid input is entered
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viewer.formDesigner.updateFormField(matchingField, { borderColor: '#2f2f2fff' });
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}
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}
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</script>

‎How to/Load Documents with links and Validate Form Fields/CoreSample/Pages/Index.cshtml.cs‎

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using Microsoft.AspNetCore.Mvc;
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using Microsoft.Extensions.Caching.Memory;
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using Syncfusion.EJ2.PdfViewer;
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using Newtonsoft.Json;
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using Microsoft.AspNetCore.Mvc.RazorPages;
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using System.Reflection;
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using System.Net;
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using Syncfusion.Pdf.Parsing;
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namespace CoreSample.Pages
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{
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[IgnoreAntiforgeryToken(Order = 1001)]
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public class IndexModel : PageModel
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{
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private readonly Microsoft.AspNetCore.Hosting.IHostingEnvironment _hostingEnvironment;
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private IMemoryCache _cache;
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public IndexModel(Microsoft.AspNetCore.Hosting.IHostingEnvironment hostingEnvironment, IMemoryCache cache)
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{
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_hostingEnvironment = hostingEnvironment;
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_cache = cache;
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}
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}
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}

‎How to/Load Documents with links and Validate Form Fields/CoreSample/Pages/Privacy.cshtml‎

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@page
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@model PrivacyModel
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@{
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ViewData["Title"] = "Privacy Policy";
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}
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<h1>@ViewData["Title"]</h1>
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<p>Use this page to detail your site's privacy policy.</p>

‎How to/Load Documents with links and Validate Form Fields/CoreSample/Pages/Privacy.cshtml.cs‎

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using Microsoft.AspNetCore.Mvc;
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using Microsoft.AspNetCore.Mvc.RazorPages;
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namespace CoreSample.Pages
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{
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public class PrivacyModel : PageModel
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{
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private readonly ILogger<PrivacyModel> _logger;
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public PrivacyModel(ILogger<PrivacyModel> 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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}
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}
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}

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