ConstraintCollection.Clear 方法

public:
 void Clear();

public void Clear();

member this.Clear : unit -> unit

Public Sub Clear ()

示例

下面的示例从中 ConstraintCollection清除所有约束。

public static void ClearConstraints(DataSet dataSet)
{
   foreach (DataTable table in dataSet.Tables)
     table.Constraints.Clear();
}

Public Shared Sub ClearConstraints(dataSet As DataSet) 
   Dim table As DataTable
   For Each table In dataSet.Tables
     table.Constraints.Clear()
   Next
End Sub

注解

如果此操作成功，则会发生该 CollectionChanged 事件。