Remove time from showing on DateTime.

Question

I have tried the below but still I still have the time showing on my reports, what else can i try? I want the date only to show.

 

[DataType(DataType.Date)]

[DisplayFormat(DataFormatString = "{0:yyyy-MM-dd}", ApplyFormatInEditMode = true)]

public DateTime? StartDate { get; set; }

[DataType(DataType.Date)]

public DateTime? EndDate { get; set; }