this?
VB Code:
  1. Dim cn As New SqlConnection()
  2.    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
  3.       cn.ConnectionString = "user id=sa;password=password;initial catalog=northwind"
  4.       cn.Open()
  5.  
  6.       Dim cmdtext As String = "select * from territories"
  7.       Dim cm As New SqlCommand(cmdtext, cn)
  8.       Dim dr As SqlDataReader = cm.ExecuteReader
  9.       While dr.Read
  10.          ComboBox1.Items.Add(dr(0) & ", " & dr(1) & ", " & dr(2))
  11.       End While
  12.  
  13.       IDontKnow()
  14.    End Sub
  15.  
  16.    Sub IDontKnow()
  17.       Dim s As String
  18.       Dim s2 As String
  19.       For Each s2 In ComboBox1.Items
  20.          s &= s2 & Constants.vbCrLf
  21.       Next
  22.       MessageBox.Show(s)
  23.    End Sub