本文整理匯總了VB.NET中System.Nullable<T>.ToString方法的典型用法代碼示例。如果您正苦於以下問題：VB.NET Nullable<T>.ToString方法的具體用法？VB.NET Nullable<T>.ToString怎麽用？VB.NET Nullable<T>.ToString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。您也可以進一步了解該方法所在類System.Nullable<T>的用法示例。
在下文中一共展示了Nullable<T>.ToString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: Sample
' This code example demonstrates the
' Nullable<T>.ToString method.
Class Sample
Public Shared Sub Main()
Dim nullableDate As Nullable(Of DateTime)
' Display the current date and time.
nullableDate = DateTime.Now
Display("1)", nullableDate)
' Assign null (Nothing in Visual Basic) to nullableDate, then
' display its value.
nullableDate = Nothing
Display("2)", nullableDate)
End Sub
' Display the text representation of a nullable DateTime.
Public Shared Sub Display(ByVal title As String, _
ByVal dspDT As Nullable(Of DateTime))
Dim msg As String = dspDT.ToString()
Console.Write("{0} ", title)
If String.IsNullOrEmpty(msg) Then
Console.WriteLine("The nullable DateTime has no defined value.")
Else
Console.WriteLine("The current date and time is {0}.", msg)
End If
End Sub
End Class輸出：
1) The current date and time is 4/19/2005 8:28:14 PM. 2) The nullable DateTime has no defined value.