Conversion from string "ACECATN000001" to type 'Integer' is not valid
<p>I am a new in using asp.net i have recieving an error of "Conversion from string "ACECATN000001" to type 'Integer' is not valid." can anyone help me how to solve this?? thanks in advance :D </p>

<pre><code>        If lbl_productcatcode.Text = "ACECATN000001" Then
            txt_productcode.Text = Format(CInt(rdr.Item(0).ToString) + 1, "1000000")

        End If
    End If
    cmd1.Connection.Close()

End Sub
</code></pre>
