System Null and DB NUll : Database NULL « Database ADO.net « VB.Net

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VB.Net » Database ADO.net » Database NULL   System Null and DB NUll Public Class MainClass    Public Shared Sub Main()        'Strings         Dim strConstant As String = "ABC"         Dim strRepeat As New String("A"c, 20)         Dim strMyString As String = "Hello World"        strMyString = Nothing         Dim sysNull As System.DBNull         If strMyString Is sysNull Then             strMyString = "Initialize my String"         End If         If Not IsDBNull(strMyString) Then             Console.WriteLine(strMyString)         End If             End Sub End Class                     Related examples in the same category