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ChangeTracker.HasChanges Method
Definition
- Namespace:
- Microsoft.EntityFrameworkCore.ChangeTracking
- Assembly:
- Microsoft.EntityFrameworkCore.dll
- Package:
- Microsoft.EntityFrameworkCore v1.1.6
- Package:
- Microsoft.EntityFrameworkCore v10.0.0
- Package:
- Microsoft.EntityFrameworkCore v2.0.3
- Package:
- Microsoft.EntityFrameworkCore v2.1.11
- Package:
- Microsoft.EntityFrameworkCore v2.2.6
- Package:
- Microsoft.EntityFrameworkCore v3.0.0
- Package:
- Microsoft.EntityFrameworkCore v3.1.0
- Package:
- Microsoft.EntityFrameworkCore v5.0.0
- Package:
- Microsoft.EntityFrameworkCore v6.0.0
- Package:
- Microsoft.EntityFrameworkCore v7.0.0
- Package:
- Microsoft.EntityFrameworkCore v8.0.0
- Package:
- Microsoft.EntityFrameworkCore v9.0.0
- Source:
- ChangeTracker.cs
- Source:
- ChangeTracker.cs
- Source:
- ChangeTracker.cs
- Source:
- ChangeTracker.cs
- Source:
- ChangeTracker.cs
- Source:
- ChangeTracker.cs
- Source:
- ChangeTracker.cs
- Source:
- ChangeTracker.cs
- Source:
- ChangeTracker.cs
- Source:
- ChangeTracker.cs
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Checks if any new, deleted, or changed entities are being tracked such that these changes will be sent to the database if SaveChanges() or SaveChangesAsync(CancellationToken) is called.
public virtual bool HasChanges();abstract member HasChanges : unit -> bool
override this.HasChanges : unit -> boolPublic Overridable Function HasChanges () As BooleanReturns
true if there are changes to save, otherwise false.
Remarks
This method calls DetectChanges() to ensure the returned value is accurate. Since detecting changes can be slow, consider temporarily setting AutoDetectChangesEnabled to prevent detecting changes in situations where the state is known to be up-to-date.
See EF Core change tracking for more information and examples.
Applies to
Entity Framework
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