Want to Know Colunm exist or not

From: Ashish Patel (anonymous_at_discussions.microsoft.com)
Date: 05/12/04 

Date: Tue, 11 May 2004 21:41:03 -0700

Dear Friend,

I want to know that particular colunm is exist in table or not..
if not exist then i want to create it.

regards ashish