title: Unable to check null value for the object in vb.net
body: <p>This is my class :</p>
  
  <pre><code>Public Class AddressForm
  
      Private Street As String
  
      Property Street_() As String
          Get
              Return Street
          End Get
          Set(ByVal value As String)
              If value IsNot Nothing Then
                  Street = ""
              Else
                  Street = value
              End If
  
          End Set
      End Property
  End Class
  </code></pre>
  
  <p>it is my object for above class BussinessAddressDialog</p>
  
  <p>If Not BussinessAddressDialog.Street_ = String.Empty (here application crashes for empty value) 
   after this line i am inserting values in data base </p>
  
  <p>Thnx for your help</p>