QueryableDataSourceView.Update(IDictionary, IDictionary, IDictionary) 方法
定义
执行更新操作。Performs an update operation.
public:
int Update(System::Collections::IDictionary ^ keys, System::Collections::IDictionary ^ values, System::Collections::IDictionary ^ oldValues);
public int Update (System.Collections.IDictionary keys, System.Collections.IDictionary values, System.Collections.IDictionary oldValues);
override this.Update : System.Collections.IDictionary * System.Collections.IDictionary * System.Collections.IDictionary -> int
Public Function Update (keys As IDictionary, values As IDictionary, oldValues As IDictionary) As Integer
参数
- keys
- IDictionary
要更新的行的键。The keys of the rows to update.
- values
- IDictionary
要更新的行的值。The values of the rows to update.
- oldValues
- IDictionary
为检测数据冲突而计算的行值。The row values to evaluate in order to detect data conflicts.
返回
已在数据源中更新的行数。The number of rows that were updated in the data source.