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Blazor Wasm - System.InvalidOperationException
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,12 @@ | ||
| <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> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,16 @@ | ||
| @inherits LayoutComponentBase | ||
| <div class="page"> | ||
| <div class="sidebar"> | ||
| <NavMenu /> | ||
| </div> | ||
|
|
||
| <main> | ||
| <div class="top-row px-4"> | ||
| <a href="https://learn.microsoft.com/aspnet/core/" target="_blank">About</a> | ||
| </div> | ||
|
|
||
| <article class="content px-4"> | ||
| @Body | ||
| </article> | ||
| </main> | ||
| </div> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,77 @@ | ||
| .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 ::deep .btn-link { | ||
| white-space: nowrap; | ||
| margin-left: 1.5rem; | ||
| text-decoration: none; | ||
| } | ||
|
|
||
| .top-row ::deep a:hover, .top-row ::deep .btn-link:hover { | ||
| text-decoration: underline; | ||
| } | ||
|
|
||
| .top-row ::deep a:first-child { | ||
| overflow: hidden; | ||
| text-overflow: ellipsis; | ||
| } | ||
|
|
||
| @media (max-width: 640.98px) { | ||
| .top-row { | ||
| justify-content: space-between; | ||
| } | ||
|
|
||
| .top-row ::deep a, .top-row ::deep .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.auth ::deep a:first-child { | ||
| flex: 1; | ||
| text-align: right; | ||
| width: 0; | ||
| } | ||
|
|
||
| .top-row, article { | ||
| padding-left: 2rem !important; | ||
| padding-right: 1.5rem !important; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| <div class="top-row ps-3 navbar navbar-dark"> | ||
| <div class="container-fluid"> | ||
| <a class="navbar-brand" href="">WasmDynamicLinq</a> | ||
| <button title="Navigation menu" class="navbar-toggler" @onclick="ToggleNavMenu"> | ||
| <span class="navbar-toggler-icon"></span> | ||
| </button> | ||
| </div> | ||
| </div> | ||
|
|
||
| <div class="@NavMenuCssClass nav-scrollable" @onclick="ToggleNavMenu"> | ||
| <nav class="flex-column"> | ||
| <div class="nav-item px-3"> | ||
| <NavLink class="nav-link" href="" Match="NavLinkMatch.All"> | ||
| <span class="bi bi-house-door-fill-nav-menu" aria-hidden="true"></span> Home | ||
| </NavLink> | ||
| </div> | ||
| <div class="nav-item px-3"> | ||
| <NavLink class="nav-link" href="counter"> | ||
| <span class="bi bi-plus-square-fill-nav-menu" aria-hidden="true"></span> Counter | ||
| </NavLink> | ||
| </div> | ||
| <div class="nav-item px-3"> | ||
| <NavLink class="nav-link" href="weather"> | ||
| <span class="bi bi-list-nested-nav-menu" aria-hidden="true"></span> Weather | ||
| </NavLink> | ||
| </div> | ||
| </nav> | ||
| </div> | ||
|
|
||
| @code { | ||
| private bool collapseNavMenu = true; | ||
|
|
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| private string NavMenuCssClass => collapseNavMenu ? "collapse" : null; | ||
|
|
||
| private void ToggleNavMenu() | ||
| { | ||
| collapseNavMenu = !collapseNavMenu; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| .navbar-toggler { | ||
| background-color: rgba(255, 255, 255, 0.1); | ||
| } | ||
|
|
||
| .top-row { | ||
| height: 3.5rem; | ||
| background-color: rgba(0,0,0,0.4); | ||
| } | ||
|
|
||
| .navbar-brand { | ||
| font-size: 1.1rem; | ||
| } | ||
|
|
||
| .bi { | ||
| display: inline-block; | ||
| position: relative; | ||
| width: 1.25rem; | ||
| height: 1.25rem; | ||
| margin-right: 0.75rem; | ||
| top: -1px; | ||
| background-size: cover; | ||
| } | ||
|
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||
| .bi-house-door-fill-nav-menu { | ||
| background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='white' class='bi bi-house-door-fill' viewBox='0 0 16 16'%3E%3Cpath d='M6.5 14.5v-3.505c0-.245.25-.495.5-.495h2c.25 0 .5.25.5.5v3.5a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5v-7a.5.5 0 0 0-.146-.354L13 5.793V2.5a.5.5 0 0 0-.5-.5h-1a.5.5 0 0 0-.5.5v1.293L8.354 1.146a.5.5 0 0 0-.708 0l-6 6A.5.5 0 0 0 1.5 7.5v7a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5Z'/%3E%3C/svg%3E"); | ||
| } | ||
|
|
||
| .bi-plus-square-fill-nav-menu { | ||
| background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='white' class='bi bi-plus-square-fill' viewBox='0 0 16 16'%3E%3Cpath d='M2 0a2 2 0 0 0-2 2v12a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V2a2 2 0 0 0-2-2H2zm6.5 4.5v3h3a.5.5 0 0 1 0 1h-3v3a.5.5 0 0 1-1 0v-3h-3a.5.5 0 0 1 0-1h3v-3a.5.5 0 0 1 1 0z'/%3E%3C/svg%3E"); | ||
| } | ||
|
|
||
| .bi-list-nested-nav-menu { | ||
| background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='white' class='bi bi-list-nested' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M4.5 11.5A.5.5 0 0 1 5 11h10a.5.5 0 0 1 0 1H5a.5.5 0 0 1-.5-.5zm-2-4A.5.5 0 0 1 3 7h10a.5.5 0 0 1 0 1H3a.5.5 0 0 1-.5-.5zm-2-4A.5.5 0 0 1 1 3h10a.5.5 0 0 1 0 1H1a.5.5 0 0 1-.5-.5z'/%3E%3C/svg%3E"); | ||
| } | ||
|
|
||
| .nav-item { | ||
| font-size: 0.9rem; | ||
| padding-bottom: 0.5rem; | ||
| } | ||
|
|
||
| .nav-item:first-of-type { | ||
| padding-top: 1rem; | ||
| } | ||
|
|
||
| .nav-item:last-of-type { | ||
| padding-bottom: 1rem; | ||
| } | ||
|
|
||
| .nav-item ::deep a { | ||
| color: #d7d7d7; | ||
| border-radius: 4px; | ||
| height: 3rem; | ||
| display: flex; | ||
| align-items: center; | ||
| line-height: 3rem; | ||
| } | ||
|
|
||
| .nav-item ::deep a.active { | ||
| background-color: rgba(255,255,255,0.37); | ||
| color: white; | ||
| } | ||
|
|
||
| .nav-item ::deep a:hover { | ||
| background-color: rgba(255,255,255,0.1); | ||
| color: white; | ||
| } | ||
|
|
||
| @media (min-width: 641px) { | ||
| .navbar-toggler { | ||
| display: none; | ||
| } | ||
|
|
||
| .collapse { | ||
| /* Never collapse the sidebar for wide screens */ | ||
| display: block; | ||
| } | ||
|
|
||
| .nav-scrollable { | ||
| /* Allow sidebar to scroll for tall menus */ | ||
| height: calc(100vh - 3.5rem); | ||
| overflow-y: auto; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| @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++; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| @page "/" | ||
|
|
||
| <PageTitle>Home</PageTitle> | ||
|
|
||
| <h1>Hello, world!</h1> | ||
|
|
||
| Welcome to your new app. |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| using System.Linq.Dynamic.Core; | ||
|
|
||
| namespace WasmDynamicLinq.Pages; | ||
|
|
||
| public partial class Home | ||
| { | ||
| protected override void OnInitialized() | ||
| { | ||
| base.OnInitialized(); | ||
|
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||
| var orders = new List<Order> | ||
| { | ||
| new Order | ||
| { | ||
| OrderId = 1, | ||
| CustomerName = "Customer A", | ||
| OrderItems = | ||
| [ | ||
| new OrderItem { ItemId = 101, ItemName = "Item 1" }, | ||
| new OrderItem { ItemId = 102, ItemName = "Item 2" } | ||
| ] | ||
| }, | ||
| new Order | ||
| { | ||
| OrderId = 2, | ||
| CustomerName = "Customer B", | ||
| OrderItems = | ||
| [ | ||
| new OrderItem { ItemId = 103, ItemName = "Item 3" }, | ||
| new OrderItem { ItemId = 104, ItemName = "Item 4" } | ||
| ] | ||
| } | ||
| }; | ||
|
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| var allOrderItemsDynamic = orders.AsQueryable() | ||
| .Select("new (OrderId as Id, OrderItems.Where(w => true) as Children, null as Empty)") | ||
| .ToDynamicList<DynamicClass>(); | ||
|
|
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| //allOrderItemsDynamic = new List<dynamic>(orders.Select(s => new { Id = s.OrderId, Children = s.OrderItems })); | ||
|
|
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| foreach (var element in allOrderItemsDynamic) | ||
| { | ||
| object elementAsObj = element; | ||
|
|
||
| //works | ||
| var idReflection = elementAsObj.GetType().GetProperty("Id").GetValue(elementAsObj); | ||
| Console.WriteLine("idReflection = " + idReflection); | ||
|
|
||
| //fails | ||
| Console.WriteLine("dynamic = " + element["Id"]); | ||
| } | ||
| } | ||
|
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| public class Order | ||
| { | ||
| public int OrderId { get; set; } | ||
|
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| public string CustomerName { get; set; } | ||
|
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| public List<OrderItem> OrderItems { get; set; } | ||
| } | ||
|
|
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| public class OrderItem | ||
| { | ||
| public int ItemId { get; set; } | ||
|
|
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| public string ItemName { get; set; } | ||
| } | ||
| } |
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