hi al..

am a beginner for vb.net, i was using the WROX book to start of with vb.net.In that i had an example code which i tried to work out but i got an error like this one ,am jus creating an array and adding it into the list

value cannot be null.Parameter name:item

plz do help me with ur replies

dim stname(4) as string

private sub form1_load() me.load

stname(0)="naresh"

stname(0)="ezhil"

stname(0)="balaji"

stname(0)="srinath"

end sub

private sub btn_click()

for each n as string in stname

lstData.Items.Add(n) <-------------------- at tis point am getting the error

next

end sub

Try this code

Private strName As String() = New String(3) {}
Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
    strName(0) = "amit"
    strName(1) = "jain"
    strName(2) = "amitjain"
    strName(3) = "amiTjaiN"
End Sub
Protected Sub Button1_Click(ByVal sender As Object, ByVal e As EventArgs)
    For Each strTest As String In strName
        ListBox1.Items.Add(strTest)
    Next
End Sub