fetchServiceShoporders works

Client/Shared/MainLayout.razor

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+@inherits LayoutComponentBase
+
+<MudDialogProvider />
+<MudSnackbarProvider />
+
+<MudThemeProvider @ref="@_MudThemeProvider" @bind-IsDarkMode="@_IsDarkMode"/>
+
+<MudLayout>
+    <MudAppBar Elevation="0">
+        <MudIconButton Icon="@Icons.Material.Filled.Menu" Color="Color.Inherit" Edge="Edge.Start" OnClick="@((e) => DrawerToggle())" />
+        <MudSpacer />
+        <MudIconButton Icon="@Icons.Custom.Brands.MudBlazor" Color="Color.Inherit" Link="https://mudblazor.com/" Target="_blank" />
+        <MudIconButton Icon="@Icons.Custom.Brands.GitHub" Color="Color.Inherit" Link="https://github.com/MudBlazor/MudBlazor/" Target="_blank" />
+        <MudSwitch @bind-Checked="@_IsDarkMode" Color="Color.Primary" Class="ma-4" T="bool" Label="Toggle Light/Dark Mode"/>
+    </MudAppBar>
+    <MudDrawer @bind-Open="_DrawerOpen" Elevation="1">
+        <MudDrawerHeader>
+            <MudText Typo="Typo.h6">Blazor</MudText>
+        </MudDrawerHeader>
+        <NavMenu />
+    </MudDrawer>
+    <MudMainContent>
+        <MudContainer MaxWidth="MaxWidth.Large" Class="my-16 pt-16">
+            @Body
+        </MudContainer>
+    </MudMainContent>
+</MudLayout>

Client/Shared/MainLayout.razor.cs

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+using MudBlazor;
+
+namespace OI.Metrology.Client.Shared;
+
+public partial class MainLayout
+{
+    bool _DrawerOpen = true;
+    private bool _IsDarkMode;
+    private MudThemeProvider? _MudThemeProvider;
+
+    void DrawerToggle() => _DrawerOpen = !_DrawerOpen;
+
+    protected override async Task OnAfterRenderAsync(bool firstRender)
+    {
+        if (firstRender && _MudThemeProvider is not null)
+        {
+            _IsDarkMode = await _MudThemeProvider.GetSystemPreference();
+            StateHasChanged();
+        }
+    }
+
+}

Client/Shared/NavMenu.razor

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+<MudNavMenu>
+    <MudNavLink Href="" Match="NavLinkMatch.All" Icon="@Icons.Material.Filled.Home">Home</MudNavLink>
+    <MudNavLink Href="counter" Match="NavLinkMatch.Prefix" Icon="@Icons.Material.Filled.Add">Counter</MudNavLink>
+    <MudNavLink Href="fetchserviceshoporders" Match="NavLinkMatch.Prefix" Icon="@Icons.Material.Filled.List">Fetch Service Shop Orders</MudNavLink>
+</MudNavMenu>

Client/Shared/NavMenu.razor.cs

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+namespace OI.Metrology.Client.Shared;
+
+public partial class NavMenu
+{ }