ObjectContext.SaveChanges Method
Definition
Important
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Overloads
| SaveChanges() |
Persists all updates to the database and resets change tracking in the object context. |
| SaveChanges(Boolean) |
Obsolete.
Persists all updates to the database and optionally resets change tracking in the object context. |
| SaveChanges(SaveOptions) |
Persists all updates to the database and optionally resets change tracking in the object context. |
SaveChanges()
Persists all updates to the database and resets change tracking in the object context.
public virtual int SaveChanges ();abstract member SaveChanges : unit -> int
override this.SaveChanges : unit -> intPublic Overridable Function SaveChanges () As IntegerReturns
The number of state entries written to the underlying database. This can include state entries for entities and/or relationships. Relationship state entries are created for many-to-many relationships and relationships where there is no foreign key property included in the entity class (often referred to as independent associations).
Exceptions
An optimistic concurrency violation has occurred while saving changes.
Applies to
SaveChanges(Boolean)
Caution
Use SaveChanges(SaveOptions options) instead.
Persists all updates to the database and optionally resets change tracking in the object context.
[System.ComponentModel.Browsable(false)]
[System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
[System.Obsolete("Use SaveChanges(SaveOptions options) instead.")]
public virtual int SaveChanges (bool acceptChangesDuringSave);abstract member SaveChanges : bool -> int
override this.SaveChanges : bool -> intPublic Overridable Function SaveChanges (acceptChangesDuringSave As Boolean) As IntegerParameters
- acceptChangesDuringSave
- Boolean
This parameter is needed for client-side transaction support. If true, the change tracking on all objects is reset after SaveChanges(Boolean) finishes. If false, you must call the AcceptAllChanges() method after SaveChanges(Boolean).
Returns
The number of state entries written to the underlying database. This can include state entries for entities and/or relationships. Relationship state entries are created for many-to-many relationships and relationships where there is no foreign key property included in the entity class (often referred to as independent associations).
- Attributes
Exceptions
An optimistic concurrency violation has occurred while saving changes.
Applies to
SaveChanges(SaveOptions)
Persists all updates to the database and optionally resets change tracking in the object context.
public virtual int SaveChanges (System.Data.Entity.Core.Objects.SaveOptions options);abstract member SaveChanges : System.Data.Entity.Core.Objects.SaveOptions -> int
override this.SaveChanges : System.Data.Entity.Core.Objects.SaveOptions -> intPublic Overridable Function SaveChanges (options As SaveOptions) As IntegerParameters
- options
- SaveOptions
A SaveOptions value that determines the behavior of the operation.
Returns
The number of state entries written to the underlying database. This can include state entries for entities and/or relationships. Relationship state entries are created for many-to-many relationships and relationships where there is no foreign key property included in the entity class (often referred to as independent associations).
Exceptions
An optimistic concurrency violation has occurred while saving changes.
Applies to
Entity Framework