Database.BeginTransaction 方法 (IsolationLevel)
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在基礎存放區連接上使用指定的隔離等級開始交易
命名空間: System.Data.Entity
組件: EntityFramework (在 EntityFramework.dll 中)
語法
'宣告
Public Function BeginTransaction ( _
isolationLevel As IsolationLevel _
) As DbContextTransaction
'用途
Dim instance As Database
Dim isolationLevel As IsolationLevel
Dim returnValue As DbContextTransaction
returnValue = instance.BeginTransaction(isolationLevel)
public DbContextTransaction BeginTransaction(
IsolationLevel isolationLevel
)
public:
DbContextTransaction^ BeginTransaction(
IsolationLevel isolationLevel
)
member BeginTransaction :
isolationLevel:IsolationLevel -> DbContextTransaction
public function BeginTransaction(
isolationLevel : IsolationLevel
) : DbContextTransaction
參數
- isolationLevel
類型:System.Data.IsolationLevel
要建立基礎存放區交易的資料庫隔離等級
傳回值
類型:System.Data.Entity.DbContextTransaction
包裝對基礎存放區交易物件之存取的 DbContextTransaction 物件