Merge pull request #94 from BalaVigneshRaviChandran/ES-890869-RemoteData

890869: UG samples for remote data using various data adapters

UG-Samples/DataBinding/RemoteData/ODataAdaptor/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>

UG-Samples/DataBinding/RemoteData/ODataAdaptor/BlazorServer.csproj

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+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net7.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Syncfusion.Blazor" Version="*" />
+  </ItemGroup>
+
+</Project>

UG-Samples/DataBinding/RemoteData/ODataAdaptor/BlazorServer.csproj.user

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+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="Current" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <ActiveDebugProfile>https</ActiveDebugProfile>
+  </PropertyGroup>
+</Project>

UG-Samples/DataBinding/RemoteData/ODataAdaptor/BlazorServer.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.9.34616.47
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "BlazorServer", "BlazorServer.csproj", "{923B1AE0-4DE6-4174-B440-05D0FFE2F511}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{923B1AE0-4DE6-4174-B440-05D0FFE2F511}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{923B1AE0-4DE6-4174-B440-05D0FFE2F511}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{923B1AE0-4DE6-4174-B440-05D0FFE2F511}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{923B1AE0-4DE6-4174-B440-05D0FFE2F511}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {39B1047F-18F1-49AD-A601-4871C3497563}
+	EndGlobalSection
+EndGlobal

UG-Samples/DataBinding/RemoteData/ODataAdaptor/Data/WeatherForecast.cs

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

UG-Samples/DataBinding/RemoteData/ODataAdaptor/Data/WeatherForecastService.cs

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+namespace BlazorServer.Data
+{
+    public class WeatherForecastService
+    {
+        private static readonly string[] Summaries = new[]
+        {
+            "Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching"
+        };
+
+        public Task<WeatherForecast[]> GetForecastAsync(DateOnly 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());
+        }
+    }
+}

UG-Samples/DataBinding/RemoteData/ODataAdaptor/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++;
+    }
+}

UG-Samples/DataBinding/RemoteData/ODataAdaptor/Pages/Error.cshtml

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+@page
+@model BlazorServer.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>

UG-Samples/DataBinding/RemoteData/ODataAdaptor/Pages/Error.cshtml.cs

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+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using System.Diagnostics;
+
+namespace BlazorServer.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;
+        }
+    }
+}

UG-Samples/DataBinding/RemoteData/ODataAdaptor/Pages/FetchData.razor

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

UG-Samples/DataBinding/RemoteData/ODataAdaptor/Pages/Index.razor

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+@page "/"
+@page "/DiagramOData"
+@using Syncfusion.Blazor.Internal
+@using Syncfusion.Blazor.Diagram
+@using Syncfusion.Blazor.Data
+@inject HttpClient Http
+
+
+<div id="diagram-space" class="content-wrapper">
+    <SfDiagramComponent Height="400px" NodeCreating="OnNodeCreating" ConnectorCreating="OnConnectorCreating">
+        <DataSourceSettings Id="EmployeeID" ParentId="ReportsTo" Query="Query">
+            <SfDataManager Url="https://blazor.syncfusion.com/services/development/odata/DiagramOData" Adaptor="Syncfusion.Blazor.Adaptors.ODataAdaptor"></SfDataManager>
+        </DataSourceSettings>
+        <SnapSettings Constraints="SnapConstraints.None"></SnapSettings>
+        <Layout HorizontalSpacing="100" VerticalSpacing="100" Type="LayoutType.HierarchicalTree"></Layout>
+    </SfDiagramComponent>
+</div>
+
+@code {
+        SfDiagramComponent Diagrams;
+    private float x = 100;
+    private float y = 100;
+
+    public class Employee
+    {
+        public int? EmployeeID { get; set; }
+        public string FirstName { get; set; }
+        public int? ReportsTo { get; set; }
+    }
+
+    private Query Query = new Query().Select(new List<string>() { "EmployeeID", "ReportsTo", "FirstName" }).Take(9);
+
+    private void OnNodeCreating(IDiagramObject obj)
+    {
+        Node node = obj as Node;
+        node.OffsetX = x;
+        node.OffsetY = y;
+        node.Width = 80;
+        node.Height = 40;
+        node.Shape = new BasicShape() { Type = Syncfusion.Blazor.Diagram.NodeShapes.Basic, Shape = NodeBasicShapes.Rectangle, CornerRadius = 8 };
+        node.Style = new ShapeStyle() { StrokeWidth = 0, Fill = "" };
+        x += 100;
+
+        Dictionary<string, object> data = node.Data as Dictionary<string, object>;
+        node.Annotations = new DiagramObjectCollection<ShapeAnnotation>() {
+            new ShapeAnnotation() {
+                Content = data["FirstName"].ToString(),
+                Style = new TextStyle() { Color = "white" }
+            }
+        };
+
+        switch (data["FirstName"].ToString())
+        {
+            case "Andrew":
+                node.Style.Fill = "#3A4857";
+                break;
+            case "Nancy":
+                node.Style.Fill = "#2B8C68";
+                break;
+            case "Janet":
+                node.Style.Fill = "#488CC1";
+                break;
+            case "Margaret":
+                node.Style.Fill = "#4C888F";
+                break;
+            case "Steven":
+                node.Style.Fill = "#8E4DB4";
+                break;
+            case "Laura":
+                node.Style.Fill = "#CD6A32";
+                break;
+            default:
+                node.Style.Fill = "#8E4DB4";
+                break;
+        }
+    }
+
+    private void OnConnectorCreating(IDiagramObject obj)
+    {
+        Connector connector = obj as Connector;
+        connector.Style.StrokeColor = "#048785";
+        connector.Type = ConnectorSegmentType.Orthogonal;
+        connector.TargetDecorator.Shape = DecoratorShape.None;
+        connector.SourceDecorator.Shape = DecoratorShape.None;
+        connector.Style = new ShapeStyle() { StrokeColor = "#3A4857", Fill = "#3A4857", StrokeWidth = 1, StrokeDashArray = "3,3" };
+    }
+}
+
+

UG-Samples/DataBinding/RemoteData/ODataAdaptor/Pages/_Host.cshtml

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+@page "/"
+@using Microsoft.AspNetCore.Components.Web
+@namespace BlazorServer.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" />
+    <link href="BlazorServer.styles.css" rel="stylesheet" />
+    <link rel="icon" type="image/png" href="favicon.png" />
+    <component type="typeof(HeadOutlet)" render-mode="ServerPrerendered" />
+    <link href="_content/Syncfusion.Blazor.Themes/bootstrap5.css" rel="stylesheet" />
+    <script src="_content/Syncfusion.Blazor.Core/scripts/syncfusion-blazor.min.js" type="text/javascript"></script>
+</head>
+<body>
+    <component type="typeof(App)" render-mode="ServerPrerendered" />
+
+    <div id="blazor-error-ui">
+        <environment include="Staging,Production">
+            An error has occurred. This application may no longer respond until reloaded.
+        </environment>
+        <environment include="Development">
+            An unhandled exception has occurred. See browser dev tools for details.
+        </environment>
+        <a href="" class="reload">Reload</a>
+        <a class="dismiss">🗙</a>
+    </div>
+
+    <script src="_framework/blazor.server.js"></script>
+</body>
+</html>

UG-Samples/DataBinding/RemoteData/ODataAdaptor/Program.cs

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+using BlazorServer.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<WeatherForecastService>();
+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();