Table<TEntity>.InsertOnSubmit(TEntity) 方法
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
將 pending insert
狀態中的實體加入至此 Table<TEntity>。
public:
void InsertOnSubmit(TEntity entity);
public:
virtual void InsertOnSubmit(TEntity entity);
public void InsertOnSubmit (TEntity entity);
member this.InsertOnSubmit : 'Entity -> unit
abstract member InsertOnSubmit : 'Entity -> unit
override this.InsertOnSubmit : 'Entity -> unit
Public Sub InsertOnSubmit (entity As TEntity)
參數
- entity
- TEntity
要加入的實體。
實作
範例
// Create a new Order object.
Order ord = new Order
{
OrderID = 12000,
ShipCity = "Seattle",
OrderDate = DateTime.Now
// …
};
// Add the new object to the Orders collection.
db.Orders.InsertOnSubmit(ord);
// Submit the change to the database.
try
{
db.SubmitChanges();
}
catch (Exception e)
{
Console.WriteLine(e);
// Make some adjustments.
// ...
// Try again.
db.SubmitChanges();
}
' Create a new Order object.
Dim ord As New Order With _
{.OrderID = 12000, _
.ShipCity = "Seattle", _
.OrderDate = DateTime.Now}
' Add the new object to the Orders collection.
db.Orders.InsertOnSubmit(ord)
' Submit the change to the database.
Try
db.SubmitChanges()
Catch e As Exception
Console.WriteLine(e)
' Make some adjustments.
' ...
' Try again.
db.SubmitChanges()
End Try
備註
在呼叫 之後,新增的實體將不會出現在此數據表 SubmitChanges 的查詢結果中。