How to get the files based on particular date?

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Hi,

C#

var files = (from c in rootDir.GetFiles()
                            where c.CreationTime >= DateTime.Now.Date.AddDays(-1)
                            select c).ToList();

the above code is working fine it will return yesterday created files as well as today's but i need to get only yesterday created files, for that if i use == instead of >=
i.e.

C#

var files = (from c in rootDir.GetFiles()
                            where c.CreationTime == DateTime.Now.Date.AddDays(-1)
                            select c).ToList();

it will not returning any files

Posted 17-Feb-14 0:40am

Avinash502

Updated 17-Feb-14 1:38am

Siva Hyderabad

v2

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Ziee-M 17-Feb-14 6:51am

I am not 100% sure, but there is an incompatibility issue with Linq and DateTime.

Try to select a list, then filter the data using foreacah instead of the Where clause, i think it will solve tour problem.

3 solutions

Solution 2

SQL

var files = from c in directoryInfo.GetFiles()
            where c.CreationTime >somedate
            select c;

Posted 17-Feb-14 1:28am

Ainy Mughal

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phil.o · Accepted Answer · 2014-02-17T00:48:00

You are trying to compare Date + Time values; obviously, dates may match, but not times.

Here's what you could do instead:

C#

var files = (from c in rootDir.GetFiles()
             where (c.CreationTime >= DateTime.Today.AddDays(-1)) && (c.CreationTime < DateTime.Today)
             select c).ToList();

Hope this helps.

Avinash502 · Accepted Answer · 2014-02-17T17:28:00

Solution 3

var files = (from c in rootDir.GetFiles()
where c.CreationTime >= DateTime.Now.Date.AddDays(-1) & c.CreationTime < DateTime.Now.Date
select c).ToList();

Posted 17-Feb-14 17:28pm