fix(EFCore): update EditAsync method (#4249)

Co-authored-by: Argo Zhang <argo@live.ca>
dotnetcore · Sep 10, 2024 · f118a21 · f118a21
1 parent 29e1d10
commit f118a21
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/...ensions/DataServices/BootstrapBlazor.DataAccess.EntityFrameworkCore/DefaultDataService.cs b/...ensions/DataServices/BootstrapBlazor.DataAccess.EntityFrameworkCore/DefaultDataService.cs
@@ -59,6 +59,14 @@ public Task CancelAsync()
     public Task EditAsync(object model)
     {
         Model = model as TModel;
+        if (Model != null)
+        {
+            var existingEntity = _db.Set<TModel>().Local.FirstOrDefault(e => e == Model);
+            if (existingEntity != null)
+            {
+                _db.Entry(existingEntity).State = EntityState.Detached;
+            } 
+        }
         return Task.CompletedTask;
     }
 
@@ -92,6 +100,10 @@ public override async Task<bool> SaveAsync(TModel model, ItemChangedType changed
         }
 
         await _db.SaveChangesAsync();
+
+        // 保存完成后，分离实体，避免进一步跟踪
+        _db.Entry(model).State = EntityState.Detached;
+
         return true;
     }