How Do I Insert a Null Value in an Access Database?

When you need to insert a null value into a column in an Access database, you could use "" to indicate a zero-length string. However, a zero-length string is not the same as Null. To insert a Null value, simple pass the keyword Null for the column, as shown in the code example.
<% Option Explicit %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
  <title>Inserting Null in a Microsoft Access Database</title>
  Dim MyConnection
  Dim MyConnectionString
  Dim MySQLStatement
MyConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;" & _ "Data Source=C:\Databases\WebSite.mdb;User Id=admin;Password=" MySQLStatement = "INSERT INTO MyTable " & _ "(Column1, Column2) Values('A Value', null)" Set MyConnection = Server.CreateObject("ADODB.Connection") MyConnection.Open MyConnectionString MyConnection.Execute(MySQLStatement) MyConnection.Close() Set MyConnection = Nothing Response.Write("Record inserted successfully")

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Written by Imar Spaanjaars
Date Posted 05/09/2004 15:25
Date Last Reviewed 08/06/2006 13:49
Listened to when writing Bewitched, Bothered And Bewildered by Sinead O'Connor (Track 2 from the album: Am I Not Your Girl?)


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