Question nullreference exception in web browser

[tcesurya]

Private Sub TextBox1_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles TextBox1.KeyPress
If e.KeyChar = Chr(13) Then
WebBrowser1.Navigate(Me.TextBox1.Text)
WebBrowser1.Document.GetElementById("Email").SetAttribute("value", "tcesurya")


End If



End Sub

i am getting nullreference exception why plz explain

 

[JohnH]

Navigate is asynchronous, no document has been loaded when it returns. You have to handle DocumentCompleted event and check ReadyState property to be completely loaded before you access the Document property.

 

[tcesurya]

Navigate is asynchronous, no document has been loaded when it returns. You have to handle DocumentCompleted event and check ReadyState property to be completely loaded before you access the Document property.

how to check readystate property can u plz modify my code so that it works properly thanks in advance

 

[JohnH]

Search forum for 'readystate', you'll quite a lot of examples for this.