fetchServiceShoporders works

Client/Shared/MainLayout.razor.cs

@@ -0,0 +1,22 @@
+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();
+        }
+    }
+
+}