876065: sample added

KB-Samples/DiagramToExcel/DiagramToExcel/DiagramToExcel/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>
+

KB-Samples/DiagramToExcel/DiagramToExcel/DiagramToExcel/DiagramToExcel.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.Blazor.Diagram" Version="*" />
+    <PackageReference Include="Syncfusion.XlsIO.NET" Version="*" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Folder Include="wwwroot\" />
+  </ItemGroup>
+
+</Project>

KB-Samples/DiagramToExcel/DiagramToExcel/DiagramToExcel/DiagramToExcel.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.4.33122.133
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "DiagramToExcel", "DiagramToExcel.csproj", "{BD607AD5-F5CD-4426-B6CF-BCF6EE5E38A5}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{BD607AD5-F5CD-4426-B6CF-BCF6EE5E38A5}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{BD607AD5-F5CD-4426-B6CF-BCF6EE5E38A5}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{BD607AD5-F5CD-4426-B6CF-BCF6EE5E38A5}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{BD607AD5-F5CD-4426-B6CF-BCF6EE5E38A5}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {E54284AF-9797-4860-9EED-6ECF085DCDBF}
+	EndGlobalSection
+EndGlobal

KB-Samples/DiagramToExcel/DiagramToExcel/DiagramToExcel/FileUtils.cs

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

KB-Samples/DiagramToExcel/DiagramToExcel/DiagramToExcel/Pages/Index.razor

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+@page "/"
+@using System.IO;
+@using DiagramToExcel;
+@inject DiagramToExcel.Data.CreateExcel service
+@inject Microsoft.JSInterop.IJSRuntime JS
+@using Syncfusion.Blazor.Diagram
+
+
+<button class="btn btn-primary" @onclick="@ExportExcel">ExportExcel</button>
+
+<SfDiagramComponent Height="900px" @ref="diagram"  NodeCreating="@OnNodeCreating" ConnectorCreating="@OnConnectorCreating">
+    <Syncfusion.Blazor.Diagram.DiagramTemplates>
+        <NodeTemplate>
+            @{
+                Node node1 = (context as Node);
+                string NameId = (node1.Data as HierarchicalDetails).Id;
+                string TeamName = (node1.Data as HierarchicalDetails).Role;
+                string EmpId = (node1.Data as HierarchicalDetails).Manager;
+                string color = (node1.Data as HierarchicalDetails).Color;
+                <div style="position: absolute;
+                width: 100%;
+                height: 100%;
+                border: 1px solid #E0E0E0;
+                background-color:@color;
+                box-sizing: border-box;
+                border-radius: 8px;
+                padding-top: 5px;">
+                    <p>@NameId</p>
+                    <p>@TeamName</p>
+                    <p>@EmpId</p>
+                </div>
+                Syncfusion.Blazor.Diagram.NodeShapes type = (context as Node).Shape.Type;
+            }
+        </NodeTemplate>
+    </Syncfusion.Blazor.Diagram.DiagramTemplates>
+    <DataSourceSettings ID="Id" ParentID="Manager" DataSource="@DataSource"> </DataSourceSettings>
+    <Layout Type="LayoutType.HierarchicalTree" HorizontalSpacing="@HorizontalSpacing" VerticalSpacing="@VerticalSpacing">
+    </Layout>
+</SfDiagramComponent>
+
+@code {
+    int connectorCount = 0;
+    SfDiagramComponent diagram;
+    DiagramObjectCollection<Node> nodes = new DiagramObjectCollection<Node>();
+    DiagramObjectCollection<Connector> connectors = new DiagramObjectCollection<Connector>();
+    int left = 40;
+    int top = 50;
+    int HorizontalSpacing = 40;
+    int VerticalSpacing = 40;
+
+    private void OnNodeCreating(IDiagramObject obj)
+    {
+        Node node = obj as Node;
+        node.Height = 120;
+        node.Width = 250;
+        node.ID = (node.Data as HierarchicalDetails).Id;
+        node.Shape = new Shape()
+            { Type = Syncfusion.Blazor.Diagram.NodeShapes.HTML };
+        if (node.Data != null)
+        {
+            node.Style = new ShapeStyle() { Fill = (node.Data as HierarchicalDetails).Color, StrokeWidth = 3, StrokeColor = "Black" };
+        }
+        //Initializing the default node's shape style.
+
+    }
+
+    private void OnConnectorCreating(IDiagramObject connector)
+    {
+        (connector as Connector).Type = ConnectorSegmentType.Orthogonal;
+    }
+
+    public class HierarchicalDetails
+    {
+        public string Id { get; set; }
+        public string Role { get; set; }
+        public string Manager { get; set; }
+        public string ChartType { get; set; }
+        public string Color { get; set; }
+    }
+    public List<HierarchicalDetails> DataSource = new List<HierarchicalDetails>()
+    {
+        new HierarchicalDetails()   { Id= "FirstNode", Role= "Board ", Color= "Red" },
+        new HierarchicalDetails()   { Id= "SecondNode", Role= "General Manager", Manager= "FirstNode", ChartType= "right", Color= "Blue" },
+        new HierarchicalDetails()   { Id= "ThirdNode", Role= "Assistant Manager", Manager= "SecondNode", Color= "Yellow" },
+        new HierarchicalDetails()   { Id= "FourthNode", Role= "Human Resource Manager", Manager= "SecondNode", ChartType= "right", Color= "Orange" },
+        new HierarchicalDetails()   { Id= "FifthNode", Role= "Trainers", Manager= "SecondNode", Color= "Pink" },
+        new HierarchicalDetails()   { Id= "SixthNode", Role= "Recruiting Team", Manager= "FourthNode", Color= "Green" },
+
+    };
+    MemoryStream excelStream;
+
+    /// <summary>
+    /// Create and download the Excel document
+    /// </summary>
+    protected async void ExportExcel()
+    {
+        excelStream = service.CreateDocument(diagram.Nodes);
+        await JS.SaveAs("ExportDiagramDetails.xlsx", excelStream.ToArray());
+    }
+}

KB-Samples/DiagramToExcel/DiagramToExcel/DiagramToExcel/Pages/_Host.cshtml

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+@page "/"
+@namespace DiagramToExcel.Pages
+@addTagHelper *, Microsoft.AspNetCore.Mvc.TagHelpers
+@{
+    Layout = "_Layout";
+}
+
+<component type="typeof(App)" render-mode="ServerPrerendered" />

KB-Samples/DiagramToExcel/DiagramToExcel/DiagramToExcel/Pages/_Layout.cshtml

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+@using Microsoft.AspNetCore.Components.Web
+@namespace BackgroundColor.Pages
+@addTagHelper *, Microsoft.AspNetCore.Mvc.TagHelpers
+
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <base href="~/" />
+    <link rel="stylesheet" href="css/bootstrap/bootstrap.min.css" />
+    <link href="css/site.css" rel="stylesheet" />
+     <script src="_content/Syncfusion.Blazor.Core/scripts/syncfusion-blazor.min.js" type="text/javascript"></script>
+    <link href="BackgroundColor.styles.css" rel="stylesheet" />
+    <component type="typeof(HeadOutlet)" render-mode="ServerPrerendered" />
+</head>
+<body>
+    @RenderBody()
+
+
+
+    <script src="_framework/blazor.server.js"></script>
+    <script type="text/javascript">
+        function saveAsFile(filename, bytesBase64) {
+
+            if (navigator.msSaveBlob) {
+                //Download document in Edge browser
+                var data = window.atob(bytesBase64);
+                var bytes = new Uint8Array(data.length);
+                for (var i = 0; i < data.length; i++) {
+                    bytes[i] = data.charCodeAt(i);
+                }
+                var blob = new Blob([bytes.buffer], { type: "application/octet-stream" });
+                navigator.msSaveBlob(blob, filename);
+            }
+            else {
+                var link = document.createElement('a');
+                link.download = filename;
+                link.href = "data:application/octet-stream;base64," + bytesBase64;
+                document.body.appendChild(link); // Needed for Firefox
+                link.click();
+                document.body.removeChild(link);
+            }
+        }
+    </script>
+</body>
+</html>

KB-Samples/DiagramToExcel/DiagramToExcel/DiagramToExcel/Program.cs

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+
+using DiagramToExcel.Data;
+using Microsoft.AspNetCore.Components;
+using Microsoft.AspNetCore.Components.Web;
+using Syncfusion.Blazor;
+
+var builder = WebApplication.CreateBuilder(args);
+
+// Add services to the container.
+builder.Services.AddRazorPages();
+builder.Services.AddServerSideBlazor();
+builder.Services.AddSingleton<CreateExcel>();
+builder.Services.AddSyncfusionBlazor();
+var app = builder.Build();
+
+// Configure the HTTP request pipeline.
+if (!app.Environment.IsDevelopment())
+{
+    app.UseExceptionHandler("/Error");
+    // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
+    app.UseHsts();
+}
+
+app.UseHttpsRedirection();
+
+app.UseStaticFiles();
+
+app.UseRouting();
+
+app.MapBlazorHub();
+app.MapFallbackToPage("/_Host");
+
+app.Run();

KB-Samples/DiagramToExcel/DiagramToExcel/DiagramToExcel/Properties/launchSettings.json

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+{
+  "iisSettings": {
+    "windowsAuthentication": false,
+    "anonymousAuthentication": true,
+    "iisExpress": {
+      "applicationUrl": "http://localhost:11920",
+      "sslPort": 44341
+    }
+  },
+  "profiles": {
+    "DiagramToExcel": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "applicationUrl": "https://localhost:7204;http://localhost:5236",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "IIS Express": {
+      "commandName": "IISExpress",
+      "launchBrowser": true,
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}

KB-Samples/DiagramToExcel/DiagramToExcel/DiagramToExcel/Shared/MainLayout.razor

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+@inherits LayoutComponentBase
+
+<PageTitle>DiagramToExcel</PageTitle>
+
+<div class="page">
+    <div class="sidebar">
+        <NavMenu />
+    </div>
+
+
+    <main>
+
+        <article class="content px-4">
+            @Body
+        </article>
+    </main>
+</div>

KB-Samples/DiagramToExcel/DiagramToExcel/DiagramToExcel/Shared/MainLayout.razor.css

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+.page {
+    position: relative;
+    display: flex;
+    flex-direction: column;
+}
+
+main {
+    flex: 1;
+}
+
+.sidebar {
+    background-image: linear-gradient(180deg, rgb(5, 39, 103) 0%, #3a0647 70%);
+}
+
+.top-row {
+    background-color: #f7f7f7;
+    border-bottom: 1px solid #d6d5d5;
+    justify-content: flex-end;
+    height: 3.5rem;
+    display: flex;
+    align-items: center;
+}
+
+    .top-row ::deep a, .top-row .btn-link {
+        white-space: nowrap;
+        margin-left: 1.5rem;
+    }
+
+    .top-row a:first-child {
+        overflow: hidden;
+        text-overflow: ellipsis;
+    }
+
+@media (max-width: 640.98px) {
+    .top-row:not(.auth) {
+        display: none;
+    }
+
+    .top-row.auth {
+        justify-content: space-between;
+    }
+
+    .top-row a, .top-row .btn-link {
+        margin-left: 0;
+    }
+}
+
+@media (min-width: 641px) {
+    .page {
+        flex-direction: row;
+    }
+
+    .sidebar {
+        width: 250px;
+        height: 100vh;
+        position: sticky;
+        top: 0;
+    }
+
+    .top-row {
+        position: sticky;
+        top: 0;
+        z-index: 1;
+    }
+
+    .top-row, article {
+        padding-left: 2rem !important;
+        padding-right: 1.5rem !important;
+    }
+}

KB-Samples/DiagramToExcel/DiagramToExcel/DiagramToExcel/_Imports.razor

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+@using System.Net.Http
+@using Microsoft.AspNetCore.Authorization
+@using Microsoft.AspNetCore.Components.Authorization
+@using Microsoft.AspNetCore.Components.Forms
+@using Microsoft.AspNetCore.Components.Routing
+@using Microsoft.AspNetCore.Components.Web
+@using Microsoft.AspNetCore.Components.Web.Virtualization
+@using Microsoft.JSInterop
+@using DiagramToExcel
+@using DiagramToExcel.Shared