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From: Luc on 3 Mar 2010 08:56
Hi,

i use the login control in order to create users. Asp.net generates
automatically a password which is sent to the user by email.
The emailaddress must be like this: firstname.name(a)ourdomain.be . I can
easely check whether it terminates with @ourdomain.be, but if
'firstname.name' doesn't exist in our Exchange server ('ourdomain.be'),
then:

1) the user is still created
2) the message page with: 'Mailbox unavailable. The server response was:
5.1.1 User unknown' appears

What i want is 1) that the user is not created and 2) that a simple
Alert-box appears instead of the this error page.

I tried a lot of Try / Catch / Endtry but all my attempts fail: the user is
always created and the whole message page appears. I also tried with
CreateUserWizard1_SendMailError sub.1

Here my code (vb.net):

Protected Sub CreateUserWizard1_CreatingUser(ByVal sender As Object, ByVal e
As System.Web.UI.WebControls.LoginCancelEventArgs) Handles
CreateUserWizard1.CreatingUser
Dim tx, em As TextBox
tx =
CType(CreateUserWizard1.CreateUserStep.ContentTemplateContainer.FindControl("username"),
TextBox)
em =
CType(CreateUserWizard1.CreateUserStep.ContentTemplateContainer.FindControl("email"),
TextBox)

If Not Right(em.Text, 12) = "ourdomain.be" Then
Label3.Text = "wrong emailaddress"
e.Cancel = True
End If
End Sub
-----------------------------------------------
Protected Sub CreateUserWizard1_SendingMail(ByVal sender As Object,
ByVal e As System.Web.UI.WebControls.MailMessageEventArgs) Handles
CreateUserWizard1.SendingMail
Label2.Visible = False
e.Message.Body = e.Message.Body.Replace("##user##",
CreateUserWizard1.UserName)
e.Message.Body = e.Message.Body.Replace("##password##",
CreateUserWizard1.Password)
End Sub
-----------------------------------------------
Protected Sub CreateUserWizard1_SendMailError(ByVal sender As Object,
ByVal e As System.Web.UI.WebControls.SendMailErrorEventArgs) Handles
CreateUserWizard1.SendMailError
Page.ClientScript.RegisterClientScriptBlock(Me.GetType(),
"myscript", _
" alert(Unknown user.');", True)
End Sub
End Class


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