本文整理汇总了VB.NET中System.Data.DataRowCollection.Contains方法的典型用法代码示例。如果您正苦于以下问题：VB.NET DataRowCollection.Contains方法的具体用法？VB.NET DataRowCollection.Contains怎么用？VB.NET DataRowCollection.Contains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.DataRowCollection的用法示例。
在下文中一共展示了DataRowCollection.Contains方法的2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: ColContains
Private Sub ColContains()
Dim table As DataTable = CType(DataGrid1.DataSource, DataTable)
Dim rowCollection As DataRowCollection = table.Rows
If rowCollection.Contains(Edit1.Text) Then
Label1.Text = "At least one row contains " & Edit1.Text
Else
Label1.Text = "No row contains the value in its primary key field"
End If
End Sub示例2: ContainsArray
Private Sub ContainsArray()
' This example assumes that the DataTable object contains two
' DataColumn objects designated as primary keys.
' The table has two primary key columns.
Dim arrKeyVals(1) As Object
Dim table As DataTable = CType(DataGrid1.DataSource, DataTable)
Dim rowCollection As DataRowCollection = table.Rows
arrKeyVals(0) = "Hello"
arrKeyVals(1) = "World"
label1.Text = rowCollection.Contains(arrKeyVals).ToString()
End Sub