ModelDataSourceView.ExecuteUpdate(IDictionary, IDictionary, IDictionary) 方法

定义

UpdateMethod 方法执行更新操作。Performs an update operation using the UpdateMethod method.

protected:
 override int ExecuteUpdate(System::Collections::IDictionary ^ keys, System::Collections::IDictionary ^ values, System::Collections::IDictionary ^ oldValues);
protected override int ExecuteUpdate (System.Collections.IDictionary keys, System.Collections.IDictionary values, System.Collections.IDictionary oldValues);
override this.ExecuteUpdate : System.Collections.IDictionary * System.Collections.IDictionary * System.Collections.IDictionary -> int
Protected Overrides Function ExecuteUpdate (keys As IDictionary, values As IDictionary, oldValues As IDictionary) As Integer

参数

keys
IDictionary

UpdateMethod 方法一起使用的参数。The parameters to be used with the UpdateMethod method. 如果没有与方法关联的参数,则传递 nullIf there are no parameters associated with the method, pass null.

values
IDictionary

要更新的新行值。The new values of the row to be updated.

oldValues
IDictionary

要更新的行的旧值。The old values of the row to be updated.

返回

Int32

插入的行数;否则,如果行数未知,则为 -1。The number of rows inserted; otherwise, -1, if the number is not known.

适用于