本文整理汇总了VB.NET中System.Data.ConstraintCollection.AddRange方法的典型用法代码示例。如果您正苦于以下问题:VB.NET ConstraintCollection.AddRange方法的具体用法?VB.NET ConstraintCollection.AddRange怎么用?VB.NET ConstraintCollection.AddRange使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Data.ConstraintCollection
的用法示例。
在下文中一共展示了ConstraintCollection.AddRange方法的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: ConstraintAddRange
Public Shared Sub ConstraintAddRange(dataSet As DataSet)
Try
' Reference the tables from the DataSet.
Dim customersTable As DataTable = dataSet.Tables("Customers")
Dim ordersTable As DataTable = dataSet.Tables("Orders")
' Create unique and foreign key constraints.
Dim uniqueConstraint As New UniqueConstraint( _
customersTable.Columns("CustomerID"))
Dim fkConstraint As New ForeignKeyConstraint("CustOrdersConstraint", _
customersTable.Columns("CustomerID"), _
ordersTable.Columns("CustomerID"))
' Add the constraints.
customersTable.Constraints.AddRange(New Constraint() _
{uniqueConstraint, fkConstraint})
Catch ex As Exception
' Process exception and return.
Console.WriteLine($"Exception of type {ex.GetType()} occurred.")
End Try
End Sub