I need only to format (HH:MM) in datetime

Question

1.00/5 (2 votes)

See more:

Hi
I need only to format time (00-23) & (HH: MM) in c#
and how do I insert this time in field Sqlserver 2012
and then fetch time and compare with another field?
thanks

Posted 1-Jan-15 21:37pm

vajihe.mirzaei

Add a Solution

Comments

BillWoodruff 2-Jan-15 3:48am

So, you plan to discard year/month/day information ?

vajihe.mirzaei 2-Jan-15 4:12am

yes I'm Iranian and we have a Jalali calendar
I must use this calendar and only need the time
but I have a problem ....

vajihe.mirzaei 2-Jan-15 4:33am

can you help me?

4 solutions

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Mukesh.Ce62 · Answer 1 · 2015-01-05T01:46:00

Solution 4

Use below code and assign date to datetime variable.

DateTime dt = DateTime.Now;
string time = dt.ToString("HH:MM");

Posted 5-Jan-15 1:46am

Mukesh.Ce62

Comments

CHill60 5-Jan-15 7:49am

And where is the bit that answers the question about the database storage? How will the OP be able to accurately compare that string with another time?

Mukesh.Ce62 5-Jan-15 7:59am

You have to store datetime in database after then get date in backend and store in datetime object.

DateTime dtStart = DateTime.Now.Date; // here your date

then you can compare with other data like below
DateTime dtend = DateTime.Now.Date;
DateTime final = Convert.ToDateTime(dtend.Date - dtStart.Date);

And in last you can give format to your compared date.
string time = final.ToString("HH:MM");

Sumit Jawale · Answer 2 · 2015-01-01T22:38:00

Hi,
All DateTime objects must have a date and a time.
If you want just the time, use TimeSpan:

C#

TimeSpan span = TimeSpan.Parse("01:20");

If you want a DateTime, add that time to the min value:

C#

TimeSpan span = TimeSpan.Parse("01:20");
DateTime dt = DateTime.MinValue.Add(span);
// will get you 1/1/1900 01:20 PM which can be formatted with .ToString("HH:mm") for 24 hour formatting

Maciej Los · Answer 3 · 2015-01-01T22:14:00

Do not change anything. Store date and time as a DateTime data type. There is no way to compare string: "22:22" to "20:15". Which one is bigger or less than other? String is a string, not date/time.

You'll be able to compare datetime data field this way:
SQL

SQL

DECLARE @t1 DATETIME = '2015-01-01 00:00:00'
DECLARE @t2 DATETIME = GETDATE()

SELECT DATEDIFF(HH,@t1,@t2) AS DiffInHrs

C#
DateTime.Compare method[^]

DamithSL · Answer 4 · 2015-01-01T21:56:00

you can insert Time column value as TimeSpan.
saple code:[^]

C#

using (SqlConnection cn = new SqlConnection(connstring))
using (SqlCommand cmd = new SqlCommand("Insert into Events (EventName, EventStartTime) values (@Name, @Start)", cn))
{
   cmd.Parameters.AddWithValue("@Name", "Thanksgiving Dinner (East Coast USA)");
   cmd.Parameters.AddWithValue("@Start", new DateTimeOffset(2007, 11, 22, 16, 0, 0, new TimeSpan(-5, 0, 0)));
   cn.Open();

   cmd.ExecuteNonQuery();

}

I need only to format (HH:MM) in datetime

4 solutions

Solution 4

Solution 3

Solution 2

Solution 1

Add your solution here

Preview 0