DataContext.Refresh Method
Definition
Important
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Refreshes object state by using data in the database.
Overloads
| Refresh(RefreshMode, IEnumerable) |
Refreshes a collection of entity objects according to the specified mode. |
| Refresh(RefreshMode, Object) |
Refreshes an entity object according to the specified mode. |
| Refresh(RefreshMode, Object[]) |
Refreshes an array of entity objects according to the specified mode. |
Remarks
This method is useful after an optimistic concurrency error to bring items into a state for another attempt. It updates the state of the primitive fields and properties on the objects.
Note
If an object is on the many side of a one-to-many relationship, the foreign key on the object will be set and the object pointer for the other side of the relationship will be set to the new value.
Refreshes a collection of entity objects according to the specified mode.
public:
void Refresh(System::Data::Linq::RefreshMode mode, System::Collections::IEnumerable ^ entities);public void Refresh(System.Data.Linq.RefreshMode mode, System.Collections.IEnumerable entities);member this.Refresh : System.Data.Linq.RefreshMode * System.Collections.IEnumerable -> unitPublic Sub Refresh (mode As RefreshMode, entities As IEnumerable)Parameters
- mode
- RefreshMode
A value that specifies how optimistic concurrency conflicts are handled.
- entities
- IEnumerable
The collection of entities to be refreshed.
Applies to
.NET Framework 4.8.1 and other versions
| Product | Versions |
|---|---|
| .NET Framework | 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
Refreshes an entity object according to the specified mode.
public:
void Refresh(System::Data::Linq::RefreshMode mode, System::Object ^ entity);public void Refresh(System.Data.Linq.RefreshMode mode, object entity);member this.Refresh : System.Data.Linq.RefreshMode * obj -> unitPublic Sub Refresh (mode As RefreshMode, entity As Object)Parameters
- mode
- RefreshMode
A value that specifies how optimistic concurrency conflicts are handled.
- entity
- Object
The object to be refreshed.
Applies to
.NET Framework 4.8.1 and other versions
| Product | Versions |
|---|---|
| .NET Framework | 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
Refreshes an array of entity objects according to the specified mode.
public:
void Refresh(System::Data::Linq::RefreshMode mode, ... cli::array <System::Object ^> ^ entities);public void Refresh(System.Data.Linq.RefreshMode mode, params object[] entities);member this.Refresh : System.Data.Linq.RefreshMode * obj[] -> unitPublic Sub Refresh (mode As RefreshMode, ParamArray entities As Object())Parameters
- mode
- RefreshMode
A value that specifies how optimistic concurrency conflicts are handled.
- entities
- Object[]
The array of entity objects to be refreshed.
Applies to
.NET Framework 4.8.1 and other versions
| Product | Versions |
|---|---|
| .NET Framework | 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
