.net - Calculating Number Of Months Between 2 Dates?
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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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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May 23, 2012
With Vb.Net, How to get dates older than 3 months and less than 6 months ?
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Jul 22, 2011
I am trying to calculate the exact amount of time in Years, Months and Days between 2 date values. I'm getting stuck on the day calculation. I've returned the # of months and it's value is 8.77. The .77 needs to be rounded to 8 which should give me the days. I'm not exactly sure what MATH function to use to do this.
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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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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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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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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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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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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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Aug 10, 2010
I am teaching myself VB while creating a basic application I can use at work. Is there something in VB that will calculate a past and future date from a specific date. For instance, an Election Date falls on November 2, 2011. Once this election date is entered I want the program to calculate the reporting dates. The first report due is due exactly 32 days prior to the election. The 30 day post is due 30 days after the election.
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Dec 23, 2010
I want to get the total years and months in a number eg. 25 should give me 2 years 1 month. and 11 should give me 0 years 11 months and maybe 12 should be 1 year 0 months,i have this code but it does work for me as i want it seems the loop i am using goes only once.
Dim Month As Double = 25
Dim LeftMonth As Double
Dim Count As Integer = 0
[Code].....
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Feb 24, 2011
Datediff calculates the no of months between two dates, Is there any function which lets you to calculate the same thing but also includes the current month. Datediff +1 would give the answer, but just wanted to know if theres any inbuilt method.
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Dec 28, 2011
I have a dataset which includes some numbers, I want to calculate the sum of the difference in the numbers how do I do this? For example my dataset looks like this:
[Code]...
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Sep 15, 2009
I am using VB.NET. Is there a date function that calculates the date based on the number of months I have given?
for example, if i say July 2009 and looking for 10 months back, it should return Sept 2008.
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Nov 7, 2010
I'm trying to get, as the title says, the number of days between 2 dates. TextBox8 is set to a parsed version of the current date. The user has to enter the other date into TextBox7.Then I try to use this function that i made. The code does not work, I get an exception. I have never made a function before so I don't really know much about them. I honestly don't even know if this is possible,
[Code]...
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May 11, 2009
how can i calculate number of days between two dates.....for xample between 24/12/2009
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Jul 28, 2009
How can i count number of Saturdays between two given dates?
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May 11, 2009
How can I calculate number of days between two dates. For example between 24/12/2009 and 29/12/2009. How can I know that how many days are there between these two dates?
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Jan 1, 2012
i want a function to calculate days number between 2 dates
for example :
start date = 2011/11/13
end date = 2012/01/02
i want months to be 30 days always .
thats mean
18 days in November
30 days in December
2 days in January
sum = 50 days
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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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Jul 15, 2011
I need a function to calculate the number of weekdays between two dates in VB.NET. I don't need to worry about holidays. My attempts unfortunately have been futile.
This will go in custom code in Reporting Service 2008 R2.
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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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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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Jan 27, 2010
First of all i'd like to say thankyou for my last couple of threads as i've found useful ways to make my application great.
Now this is more of an extra credit function more than a necessity.
So for example if the date I currently have is 30/01/2010 how could I make that 30/02/2010? I want the program to add it on for each calandar month, if it's easier for every 4 weeks then that's fine. So is there a way to add to the "Now" function?
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