本文整理匯總了VB.NET中System.Data.DataTableReader.GetValue方法的典型用法代碼示例。如果您正苦於以下問題:VB.NET DataTableReader.GetValue方法的具體用法?VB.NET DataTableReader.GetValue怎麽用?VB.NET DataTableReader.GetValue使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。
在下文中一共展示了DataTableReader.GetValue方法的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: GetAllValues
Private Sub GetAllValues(ByVal reader As DataTableReader)
' Given a DataTableReader, retrieve the value of
' each column, and display the name, value, and type.
' Make sure you've called reader.Read at least once before
' calling this procedure.
' Loop through all the columns.
Dim value As Object
For i As Integer = 0 To reader.FieldCount - 1
If reader.IsDBNull(i) Then
value = "<NULL>"
Else
value = reader.GetValue(i)
End If
Console.WriteLine("{0}: {1} ({2})", reader.GetName(i), _
value, reader.GetFieldType(i).Name)
Next
End Sub