C# - Difference In Months Between Two Dates
Jan 9, 2011
How to calculate the difference in months between two dates in C#? Is there is equivalent of VB's DateDiff() method in C#. I need to find difference in months between two dates that are years apart. The documentation says that I can use TimeSpan like:
[Code]...
but this gives me data in Days. I don't want to divide this number by 30 because not every month is 30 days and since the two operand values are quite apart from each other, I am afraid dividing by 30 might give me a wrong value.
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Jul 10, 2011
How to get difference between two dates in Year/Month/Week/Day?
How do i calculate exact difference between to date including years, days, moths, weeks. Just like windows calculator does. ?
And represent like this 1 years, 1 months, 1 week, 1 day
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May 23, 2012
With Vb.Net, How to get dates older than 3 months and less than 6 months ?
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Jul 14, 2010
I have the following VB.NET Code:
Dim Date1 As New DateTime(2010,5,6)
Dim Date2 As New DateTime(2009,10,12)
Dim NumOfMonths = 0 ' This is where I am stumped
What I am trying to do is find out how many months are between the 2 dates.
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Mar 3, 2011
I have two date values.
Example:
Dim d1 As DateTime = New DateTime(2010, 6,6)
Dim d2 As DateTime = New DateTime(2011, 2,2)
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Oct 14, 2009
I am searching an MS Access database via an asp written in VBscript. I am looking for entries that are less than 45 days old. The query worked great until October rolled around. Then none of the new entries were being displayed. I discovered that any month that has 2 digits, such as October with 10 or even Jan-Sept if I enter a "0" in the month (ie. 09 vs just 9), will not display. The SQL statement is below (created in Dream Weaver):
<%Dim rs_blog__MMColParamrs_blog__MMColParam = "entrydate"%>
<%Dim MinDateMinDate = DateAdd("d",-45,Date())%><%Dim rs_blogDim rs_blog_numRows
Set rs_blog = Server.CreateObject("ADODB.Recordset")rs_blog.ActiveConnection = MM_intranet_STRINGrs_blog.Source = "SELECT id, employee, subject, blog, entrydate FROM blog WHERE entrydate >= '" + Replace(MinDate, "'", "''") + "' ORDER BY id DESC"
How do I get the data that has 2 digits in the month to display and only show the entries that are no more than 45 days old.
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Aug 5, 2009
I am attempting to calculate the number of months between 2 dates in vb 2008. Effectively subtracting a date in the past from the current date and then manipulating it to the number of months between the two.
I have done this in VB 6 previously, but can't seem to do it in vb2008.
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Dec 21, 2011
I've been given two dates that takes their values from two respective dtpickers.I've got to calculate the exact amount of days, months and years between them.[code]The problem is that this function gives me ALL the amount of respective days, months and years passed, but I need to split them up in the correct way. Ex, between 28/2/98 and 13/1/2007 the result should be 15 days, 10 months and 8 years. And above all, the result is that the function indicates one month more (or one year more) with only one day (or month) passed between the two dates!
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May 25, 2011
i need to get 2 dates and then add rows in a grid for that many months. e.g. the user gives 1st Jan 06 as first date and 30th Dec 2010 as second Date the rows should b
[Code]....
dont know why but am totally puzzled as to how to start with it....
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Jun 29, 2011
I have two dates, a creation date and an expiry date. I want to find out how many years and months (not days unless it is only days) between them.
I've got two dates:
Dim start_time = "12.5.2011"
Dim end_time = "15.11.2014"
I want it to say (3 Years, 6 Months) etc
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Feb 28, 2012
I am trying to find the difference between two dates. The first of the two dates can be changed and when it is changed, the difference between the original dates has to be retained. This means that I have to automatically change the second date to have the same difference in days as it did before, but with a new first date. [code]I have the value of the old date1(currDate) and the new date1 value(newDate). I need to get the difference between these, and then add or minus these days from the endDate.
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Jul 20, 2011
I have a sqlce database table that I am entering data every day.
Date No Meter_1 Meter_2 Meter_3
12-05-2010 1 1234 3456 4567
12-05-2010 2 3423 4567 0987
[code]....
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Feb 24, 2010
I've been trying many ways to calculate the round number of days between two dates, I mean, counting the whole days. An example of what I need:
[Code]...
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Dec 18, 2010
i have this function and i want it 2 calculate the difference between two dates and it is suposed to return the difference in days but it it just not working
[Code]....
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Mar 14, 2011
I want to be able to calculate the difference between two dates, written in SQL db. The difference must be in days/hours format. This is my code:
[Code]...
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Feb 7, 2011
I am changing the row color of my gridview based on how many days the task is from today. But it is not working date1 is todays date and date2 is the due date of the task.also when i sort i click on the column headers to sort, the rows change colors..[code]
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Mar 12, 2012
I need a program which shows day and time difference between 2 dates.For example: The user chooses 2011/12/11 10:20:05 and 2010/12/11/ 10:40:35.Then the program shows the difference between them in days ,hours ,minutes and seconds.
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Jan 11, 2010
I try use datediff function to get month interval between 2 hijri dates but the function deals with the dates as Gregorian Dates so the result is not correct.
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May 1, 2009
I need to calculate the difference between two days excluding weekends.
this code counts the difference between two days.
PHP
Public Class Form1
Dim date1 As Date
Dim date2 As Date
[Code]....
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Mar 6, 2009
I'm trying to make this program which compares the difference between any date in the past and the system date, showing how many days have elapsed since that date. This is the layout I've created so far, the two date boxes currently show the system date so even if I change the system date, both those boxes will adjust to show it as well. I want to try and make the system date a box without a drop down arrow and so you cannot edit the box at all. The box below is fine how it is as the user can enter any date they desire. And the text box at the bottom needs to show the difference between the system date and the inputted date.
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Nov 29, 2011
How to get difference between two dates in Year/Month/Week/Day?
I have a problem with the difference between two dates. I need the out put in 0 YEAR, 0 MONTHS, 0 DAYS LEFTm e.g.:
1 YEAR, 2 MONTHS, 3 DAYS LEFT
With dateDiff function or using anything else it is not pos
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Jul 19, 2009
I'm using datediff to establish difference between two dates using datetimepicker.i.m nnot getting the right results. a one day difference returns a 0, a two day difference returns a 1 etc. the code I am using is posted below.
days = DateDiff(DateInterval.Day, dtpStart.Value(), dtpEnd.Value())
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Oct 12, 2009
In VB2005 I am trying to calculate the number of business days between two dates. I must also account for U.S. holidays (New Year's Day, Martin Luther King Day, Memorial Day, Independence Day, Labor Day, Veterans Day, Thanksgiving Day/Friday after, Christmas Day). If a holiday falls on a Saturday, then the prior day (Friday) is assumed to be a holiday. Likewise, if the holiday falls on a Sunday then the following day (Monday) is assumed to be a holiday.
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Nov 20, 2011
How do I calculate the difference between two dates to display as a number in days?I have 2 text boxes (txtHStart_Date & txtHEnd_Date) I have used an Ajax Calendar Extender to enter the dates in each of these text boxes.I would like to get the difference between these two dates to show in a seperate text box (txtNoOfDays)
I've seen the timespan function but can seem to get this to work. I'm not to sure how to declare the text boxes as the dates I would the calculation to be made from
Code:
Dim D1 As Date
Dim D2 As Date
Dim ts As New TimeSpan
D1 = txtHStart_Date.Text
D2 = txtHEnd_Date.Text
ts = D2 - D1
But I know this isn't right. I also don't know how to get it to display in the 3rd TextBox.
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Nov 12, 2010
I am trying to flag rows in a grid in the following order based on a date column
When 2 or more days old from today
then RED
When 1 day old then YELLOW
When 0 days old then GREEN
When the date is in the future then
BLUE
I have the following which is working fine except for the future dates which are GREEN instead of BLUE.
Dim myDate As DateTime = CType(grdSummaryView.GetRowCellValue(e.RowHandle, "myDate"), DateTime)
Select Case Now.Subtract(myDate).Days
'2 or more days old then RED FLAG
Case Is >= 2
[code]....
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Feb 20, 2010
I have two dates. [code] How to print all dates between these two dates in one listbox, for example: [code]
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Jan 12, 2011
Say the user specifies these two dates....
Start Date: 2010-12-05
End Date: 2011-01-15
If I select December 2010 I should get the folllowing
startdate = 2010-12-05
enddate = 2010-12-31
Select January 2011 then
startdate = 2011-01-01
enddate = 2011-01-15
Should I subtract dates? How can I get the start and enddate for the current month/year based on the overall start and end date.I'm coding in vb.net.
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Oct 2, 2009
I'm using two datetimepicker controls to set the start and end dates for a range of dates I'm searching for.I want to make sure that the start date selected is not greater than the end date. This code works, but it runs the messagebox prompt twice for some reason. I've tried to ignore it from doing this, but it's not working. Can someone tell me what's wrong?
Private Sub dtpStart_ValueChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles dtpStart.ValueChanged
[Code]...
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Dec 15, 2009
I have one more problem with MonthControl.And when I bold some dates the program doesn't show bold dates on month calendar.When I move on next or previous month and get back to currently month the program normal displays bold dates. What's the problem?
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Jun 2, 2011
I'm developing a loan mng't system wherein the starting application of the customer say for example today.06/08/2011, the initial payment will be on 08/08/2011.. how am i going to that do on sql server 2005?
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