Only Date Update

Oct 29 2011 7:30 AM

I have ASP.net project with Sql data base. One of table that included Serious of Date Like. 1/1/2011 , 2/1/2011, 3/1/2011 ................ (Month/Date/Year) Type. I want to Update the only date like 1/16/2011, 2/16/2011, 3/16/2011 ..........

So how I Update only date Serious of date in Asp.net & Sql Application.

Please kindly help me immediately.