本文整理汇总了VB.NET中System.Data.UniqueConstraint.Columns属性的典型用法代码示例。如果您正苦于以下问题:VB.NET UniqueConstraint.Columns属性的具体用法?VB.NET UniqueConstraint.Columns怎么用?VB.NET UniqueConstraint.Columns使用的例子?那么, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类System.Data.UniqueConstraint
的用法示例。
在下文中一共展示了UniqueConstraint.Columns属性的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的VB.NET代码示例。
示例1: GetColsFromConstraint
Private Sub GetColsFromConstraint()
Dim dataColumns() As DataColumn
' Get a named relation from a DataSet.
Dim dataRelation As DataRelation
dataRelation = DataSet1.Relations("CustomerOrders")
' Get the ParentKeyConstraint
Dim uniqueConstraint As UniqueConstraint
uniqueConstraint= dataRelation.ParentKeyConstraint
' Get the DataColumn objects being constrained.
dataColumns = uniqueConstraint.Columns
' Print the column name of each column.
Dim i As Integer
For i = 0 to dataColumns.GetUpperBound(0)
Console.Write(dataColumns(i).ColumnName)
Next i
End Sub