Generate Seqence of Numbers from ABCDEFGHIJKLMNOPQRSTUVWXYZ123456789
<p>I need to use  > ABCDEFGHIJKLMNOPQRSTUVWXYZ123456789 , to generate n number of combinations for primary key.
like for possible of single digit(A,B,...Z,1,2...9), and like via two digit (A1,A2..A9,1A..9A..ZA..Z9) and 3(AA1,A1A) ....</p>

<p>Please Suggest me is better than GUID with 12Chars?</p>

<p><strong>Thanks</strong><br>
Vinoth Xavier</p>
