Blazor UI: Settings documented

docs/en/UI/Blazor/Settings.md

@@ -1,3 +1,63 @@
 # Blazor UI: Settings
 
-Blazor applications can reuse the same `ISettingProvider` service that is explained in the [settings document](../../Settings.md).
+Blazor applications can reuse the same `ISettingProvider` service that is explained in the [settings document](../../Settings.md).
+
+## ISettingProvider
+
+`ISettingProvider` is used to get the value of a setting or get the values of all the settings.
+
+**Example usages in a simple service**
+
+````csharp
+public class MyService : ITransientDependency
+{
+    private readonly ISettingProvider _settingProvider;
+
+    //Inject ISettingProvider in the constructor
+    public MyService(ISettingProvider settingProvider)
+    {
+        _settingProvider = settingProvider;
+    }
+
+    public async Task FooAsync()
+    {
+        //Get a value as string.
+        string setting1 = await _settingProvider.GetOrNullAsync("MySettingName");
+
+        //Get a bool value and fallback to the default value (false) if not set.
+        bool setting2 = await _settingProvider.GetAsync<bool>("MyBoolSettingName");
+
+        //Get a bool value and fallback to the provided default value (true) if not set.
+        bool setting3 = await _settingProvider.GetAsync<bool>(
+            "MyBoolSettingName", defaultValue: true);
+        
+        //Get a bool value with the IsTrueAsync shortcut extension method
+        bool setting4 = await _settingProvider.IsTrueAsync("MyBoolSettingName");
+        
+        //Get an int value or the default value (0) if not set
+        int setting5 = (await _settingProvider.GetAsync<int>("MyIntegerSettingName"));
+
+        //Get an int value or null if not provided
+        int? setting6 = (await _settingProvider
+                         .GetOrNullAsync("MyIntegerSettingName"))?.To<int>();
+    }
+}
+````
+
+**Example usage in a Razor Component**
+
+````csharp
+@page "/"
+@using Volo.Abp.Settings
+@inject ISettingProvider SettingProvider
+@code {
+    protected override async Task OnInitializedAsync()
+    {
+        bool settingValue = await SettingProvider.GetAsync<bool>("MyBoolSettingName");
+    }
+}
+````
+
+## See Also
+
+* [Settings](../../Settings.md)