I want to use GroupBy for DateTime Without (Hour and Minute and Second)

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I want to use GroupBy for DateTime Without (Hour and Minute and Second).
I want to use only Year and Month and Day...
how I use MethodBased Linq for this work.
suppose My table Like below

ViewDate
3/3/2012 01:03:12
1/1/2012 10:43:23
1/2/2012 09:12:12
3/3/2012 09:43:13
1/1/2012 09:14:19
1/2/2012 01:15:08
1/2/2012 08:10:23
3/3/2012 12:15:08
3/3/2012 14:43:14
1/2/2012 09:33:08
1/1/2012 18:43:12
1/2/2012 09:38:18
1/1/2012 17:43:15
1/2/2012 17:48:16
1/2/2012 06:53:14
1/2/2012 01:12:08
1/1/2012 14:01:16
1/2/2012 12:02:16

I want below result

ViewDate   count
1/1/2012    5
1/2/2012    9
3/3/2012    4

Posted 8-Sep-14 3:19am

kave2011

Updated 8-Sep-14 5:50am

v3

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2 solutions

Solution 1

Try this way

List <content>= dbcontext.content.ToList().Where(u =>(Convert.ToDateTime(u.Date).Month==M_no) || (Convert.ToDateTime(u.Date).Year==year_no) || (Convert.ToDateTime(u.Date).Day==day_no)).ToList(); 
</content>

example will demonstrate the properties .
System.DateTime moment = new System.DateTime(2000, 1, 15, 3, 57, 32, 11);
// Year gets 2000.
int year = moment.Year;
// Month gets 1 (January).
int month = moment.Month;
// Day gets 15.
int day = moment.Day;

thanks

Posted 8-Sep-14 3:43am

Animesh Datta

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kave2011 8-Sep-14 11:43am

I improved question

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kave2011 · Accepted Answer · 2014-09-08T10:50:00

Solution 2

I solved it

C#

var q = _db.ArticleViews.Where(m => m.ArticleId == ArticleId).GroupBy(m => new { m.ViewDate.Year,m.ViewDate.Month,m.ViewDate.Day }, (ViewDate, ArticleId1) => new
            {
                ViewDate,
                CountInDate = ArticleId1.Count(),
            });

Posted 8-Sep-14 10:50am

kave2011