date type in grid view

Revision 1
i have bound agrid view as
var query3 = from p in _zentity.Tbl_Employer_History
join r in _zentity.Tbl_Industry
on p.industry_id equals r.industry_id
where p.member_id == memberId
select new { p.employer_name, p.industry_id, p.designation, p.worked_from , p.worked_to ,p.responsibilities };
gvw.DataSource = query3;
gvw.DataBind();
now i want only date of Work from and Work to ,not time.
what can i do
please help me soon.