Fix MudBlazor docs to match real ABP module usage

- book-store/part-02: switch the Books page from AbpMudExtensibleDataGrid to
  the standard MudBlazor MudDataGrid + <PropertyColumn> pattern (matches
  Identity.Pro SecurityLogManagement); use RowsPerPage instead of PageSize
- book-store/part-03: replace the abp-internal MudDataGridEntityActionsColumn /
  MudEntityActions / MudEntityAction wrappers with the standard MudBlazor
  TemplateColumn + MudMenu + MudMenuItem so the tutorial stays approachable;
  drop a misleading link to the legacy abp-samples/MudBlazorSample demo;
  add a note that MudDatePicker.@bind-Date requires DateTime?
- book-store/part-09: wrap MudDialog.ShowAsync/CloseAsync calls with
  InvokeAsync (matches Identity.Pro OrganizationUnitsManagement) and harden
  OnDataGridReadAsync against null SortBy entries

docs/en/tutorials/book-store/part-02.md

@@ -651,9 +651,9 @@ Open the `Books.razor` and replace the content as the following:
         </CardHeaderContent>
     </MudCardHeader>
     <MudCardContent>
-        <AbpMudExtensibleDataGrid T="BookDto"
-                                  ServerData="OnDataGridReadAsync"
-                                  RowsPerPage="@PageSize">
+        <MudDataGrid T="BookDto"
+                     ServerData="OnDataGridReadAsync"
+                     RowsPerPage="@PageSize">
             <Columns>
                 <PropertyColumn Property="x => x.Name"
                                 Title="@L["Name"]" />
@@ -678,7 +678,7 @@ Open the `Books.razor` and replace the content as the following:
                     </CellTemplate>
                 </PropertyColumn>
             </Columns>
-        </AbpMudExtensibleDataGrid>
+        </MudDataGrid>
     </MudCardContent>
 </MudCard>
 
@@ -696,7 +696,7 @@ Open the `Books.razor` and replace the content as the following:
 * Inherited from `AbpMudCrudPageBase<IBookAppService, BookDto, Guid, PagedAndSortedResultRequestDto, CreateUpdateBookDto>` which implements all the CRUD details for us.
 * `Entities`, `TotalCount`, `PageSize`, `OnDataGridReadAsync` are defined in the base class.
 * `LocalizationResource` is set to the `BookStoreResource` to localize the texts.
-* `AbpMudExtensibleDataGrid` is the ABP-extended `MudDataGrid` that supports the [data table column extension system](../../framework/ui/blazor/data-table-column-extensions.md).
+* This page uses the standard MudBlazor `MudDataGrid` with `<PropertyColumn>` definitions. ABP also ships an `AbpMudExtensibleDataGrid` that integrates with the [data table column extension system](../../framework/ui/blazor/data-table-column-extensions.md) when you need to extend module pages.
 
 While the code above is pretty easy to understand, you can check the MudBlazor [Card](https://mudblazor.com/components/card) and [DataGrid](https://mudblazor.com/components/datagrid) documents to understand them better.
 

docs/en/tutorials/book-store/part-03.md

@@ -1253,7 +1253,7 @@ Open the `Books.razor` and add the following code to the end of the page:
 
 * The form uses `[Required]`/DataAnnotations for validation; messages are localized via the same `AbpResource` localization system.
 * The `_createDialog` field, `CloseCreateDialogAsync`, `CreateFormRef` and `CreateEntityAsync` are all defined in `AbpMudCrudPageBase`. Check the [MudBlazor documentation](https://mudblazor.com/components/dialog) if you want to understand the `MudDialog` and other components.
-* `MudDatePicker.@bind-Date` requires a nullable `DateTime?`. If your DTO uses non-nullable `DateTime`, change it to `DateTime?` (`public DateTime? PublishDate { get; set; }`) when using the MudBlazor variant — see [abp-samples/MudBlazorSample](https://github.com/abpframework/abp-samples/tree/master/MudBlazorSample) for a complete reference.
+* `MudDatePicker.@bind-Date` requires a nullable `DateTime?`. If your DTO uses non-nullable `DateTime`, change it to `DateTime?` (`public DateTime? PublishDate { get; set; }`) when using the MudBlazor variant.
 
 {{end}}
 
@@ -1291,23 +1291,23 @@ The `DataGridEntityActionsColumn` component is used to show an "Actions" dropdow
 
 {{if BlazorUI == "MudBlazor"}}
 
-Open the `Books.razor` and add the following `MudDataGridEntityActionsColumn` as the first column inside the `<Columns>` section of the `AbpMudExtensibleDataGrid`:
+Open the `Books.razor` and add the following `TemplateColumn` as the first column inside the `<Columns>` section of the `MudDataGrid`:
 
 ````razor
-<MudDataGridEntityActionsColumn T="BookDto" @ref="@EntityActionsColumn">
+<TemplateColumn T="BookDto" Title="@L["Actions"]" Sortable="false">
     <CellTemplate>
-        <MudEntityActions T="BookDto" Context="entityContext">
-            <MudEntityAction T="BookDto"
-                             Text="@L["Edit"]"
-                             Clicked="() => OpenEditDialogAsync(entityContext)" />
-        </MudEntityActions>
+        <MudMenu Icon="@Icons.Material.Filled.MoreVert" Dense="true">
+            <MudMenuItem OnClick="@(() => OpenEditDialogAsync(context.Item))">
+                @L["Edit"]
+            </MudMenuItem>
+        </MudMenu>
     </CellTemplate>
-</MudDataGridEntityActionsColumn>
+</TemplateColumn>
 ````
 
 * `OpenEditDialogAsync` is defined in the base class which takes the entity (book) to edit.
 
-The `MudDataGridEntityActionsColumn` component is used to show an "Actions" menu for each row in the data grid. It shows a **single icon button** when there is only one available action and a dropdown menu when there are multiple actions.
+This renders an "Actions" dropdown menu (`MudMenu`) for each row in the data grid. We will add the **Delete** menu item later in the *Deleting a Book* section.
 
 {{end}}
 
@@ -1463,13 +1463,17 @@ Add the following `EntityAction` code under the "Edit" action inside `EntityActi
 
 {{if BlazorUI == "MudBlazor"}}
 
-Add the following `MudEntityAction` code under the "Edit" action inside `MudEntityActions`:
+Add the following `MudMenuItem` after the "Edit" item inside the actions `MudMenu`:
 
 ````razor
-<MudEntityAction T="BookDto"
-                 Text="@L["Delete"]"
-                 Clicked="() => DeleteEntityAsync(entityContext)"
-                 ConfirmationMessage="() => GetDeleteConfirmationMessage(entityContext)" />
+<MudMenuItem OnClick="@(async () => {
+    if (await Message.Confirm(GetDeleteConfirmationMessage(context.Item)))
+    {
+        await DeleteEntityAsync(context.Item);
+    }
+})">
+    @L["Delete"]
+</MudMenuItem>
 ````
 
 {{end}}
@@ -1706,23 +1710,18 @@ Here's the complete code to create the book management CRUD page, that has been
         </CardHeaderActions>
     </MudCardHeader>
     <MudCardContent>
-        <AbpMudExtensibleDataGrid T="BookDto"
-                                  ServerData="OnDataGridReadAsync"
-                                  RowsPerPage="@PageSize">
+        <MudDataGrid T="BookDto"
+                     ServerData="OnDataGridReadAsync"
+                     RowsPerPage="@PageSize">
             <Columns>
-                <MudDataGridEntityActionsColumn T="BookDto" @ref="@EntityActionsColumn">
+                <TemplateColumn T="BookDto" Title="@L["Actions"]" Sortable="false">
                     <CellTemplate>
-                        <MudEntityActions T="BookDto" Context="entityContext">
-                            <MudEntityAction T="BookDto"
-                                             Text="@L["Edit"]"
-                                             Clicked="() => OpenEditDialogAsync(entityContext)" />
-                            <MudEntityAction T="BookDto"
-                                             Text="@L["Delete"]"
-                                             Clicked="() => DeleteEntityAsync(entityContext)"
-                                             ConfirmationMessage="() => GetDeleteConfirmationMessage(entityContext)" />
-                        </MudEntityActions>
+                        <MudMenu Icon="@Icons.Material.Filled.MoreVert" Dense="true">
+                            <MudMenuItem OnClick="@(() => OpenEditDialogAsync(context.Item))">@L["Edit"]</MudMenuItem>
+                            <MudMenuItem OnClick="@(async () => { if (await Message.Confirm(GetDeleteConfirmationMessage(context.Item))) { await DeleteEntityAsync(context.Item); } })">@L["Delete"]</MudMenuItem>
+                        </MudMenu>
                     </CellTemplate>
-                </MudDataGridEntityActionsColumn>
+                </TemplateColumn>
                 <PropertyColumn Property="x => x.Name" Title="@L["Name"]" />
                 <PropertyColumn Property="x => x.Type" Title="@L["Type"]">
                     <CellTemplate>
@@ -1741,7 +1740,7 @@ Here's the complete code to create the book management CRUD page, that has been
                     </CellTemplate>
                 </PropertyColumn>
             </Columns>
-        </AbpMudExtensibleDataGrid>
+        </MudDataGrid>
     </MudCardContent>
 </MudCard>
 

docs/en/tutorials/book-store/part-09.md

@@ -1413,8 +1413,9 @@ public partial class Authors
     private async Task<GridData<AuthorDto>> OnDataGridReadAsync(GridState<AuthorDto> state)
     {
         CurrentSorting = state.SortDefinitions
-            .Select(s => s.SortBy + (s.Descending ? " DESC" : ""))
-            .Aggregate("", (a, b) => string.IsNullOrEmpty(a) ? b : a + "," + b);
+            .Where(s => !string.IsNullOrWhiteSpace(s.SortBy?.ToString()))
+            .Select(s => $"{s.SortBy}{(s.Descending ? " DESC" : "")}")
+            .JoinAsString(",");
         CurrentPage = state.Page;
 
         await GetAuthorsAsync();
@@ -1426,12 +1427,12 @@ public partial class Authors
     {
         NewAuthor = new CreateAuthorDto();
         if (CreateFormRef != null) await CreateFormRef.ResetAsync();
-        await CreateAuthorDialog.ShowAsync();
+        await InvokeAsync(() => CreateAuthorDialog.ShowAsync());
     }
 
     private Task CloseCreateAuthorDialogAsync()
     {
-        return CreateAuthorDialog.CloseAsync();
+        return InvokeAsync(() => CreateAuthorDialog.CloseAsync());
     }
 
     private async Task OpenEditAuthorDialogAsync(AuthorDto author)
@@ -1439,12 +1440,12 @@ public partial class Authors
         EditingAuthorId = author.Id;
         EditingAuthor = ObjectMapper.Map<AuthorDto, UpdateAuthorDto>(author);
         if (EditFormRef != null) await EditFormRef.ResetAsync();
-        await EditAuthorDialog.ShowAsync();
+        await InvokeAsync(() => EditAuthorDialog.ShowAsync());
     }
 
     private Task CloseEditAuthorDialogAsync()
     {
-        return EditAuthorDialog.CloseAsync();
+        return InvokeAsync(() => EditAuthorDialog.CloseAsync());
     }
 
     private async Task DeleteAuthorAsync(AuthorDto author)
@@ -1475,7 +1476,7 @@ public partial class Authors
             {
                 await AuthorAppService.CreateAsync(NewAuthor);
                 await GetAuthorsAsync();
-                await CreateAuthorDialog.CloseAsync();
+                await InvokeAsync(() => CreateAuthorDialog.CloseAsync());
             }
         }
         catch(Exception ex)
@@ -1493,7 +1494,7 @@ public partial class Authors
             {
                 await AuthorAppService.UpdateAsync(EditingAuthorId, EditingAuthor);
                 await GetAuthorsAsync();
-                await EditAuthorDialog.CloseAsync();
+                await InvokeAsync(() => EditAuthorDialog.CloseAsync());
             }
         }
         catch(Exception ex)