本文整理匯總了VB.NET中System.Data.DataRelation.ParentKeyConstraint屬性的典型用法代碼示例。如果您正苦於以下問題：VB.NET DataRelation.ParentKeyConstraint屬性的具體用法？VB.NET DataRelation.ParentKeyConstraint怎麽用？VB.NET DataRelation.ParentKeyConstraint使用的例子？那麽, 這裏精選的屬性代碼示例或許可以為您提供幫助。您也可以進一步了解該屬性所在類System.Data.DataRelation的用法示例。
在下文中一共展示了DataRelation.ParentKeyConstraint屬性的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的VB.NET代碼示例。
示例1: GetParentKeyConstraint
Private Sub GetParentKeyConstraint()
' Get a DataRelation from a DataSet.
Dim relation As DataRelation = _
DataSet1.Relations("CustomerOrders")
' Get the relations parent key constraint.
Dim constraint As UniqueConstraint = _
relation.ParentKeyConstraint
' Get the constraint's DataColumns
Dim constraintColumns() As DataColumn
constraintColumns = constraint.Columns
' Print the column names.
Dim i As Integer
For i = 0 to constraintColumns.GetUpperBound(0)
Console.WriteLine(constraintColumns(i).ColumnName.ToString())
Next i
End Sub