Calculate StartDate & Time?
Nov 24, 2011
I want to do 2 things with date & time calculation : First : I have a LastSave (dateTime Format). I have two controls (NumericUpDown / Format Decimal), one for Hours, the other for Minutes.I want to start another save at a specific time this day at : Today's date + Hours + Minutes.What i've done isn't work, cause i can't convert to DateTime my setting
DateDernireSauvegarde, which has a STRING FORMAT.
Private Sub TimerSauvegarde_Tick(sender As System.Object, _
e As System.EventArgs) Handles TimerSauvegarde.Tick
[code].....
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May 5, 2011
I am developing c#.net solution where i have to calculate Start Date based on provided End date and Duration (back days) without weekends.
i.e. End Date: 05/5/2011
Back days: 5
Start Date = (05/5/2011) - 5 days (Excludes weekends)
Start Date = 29/04/2011
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Jun 18, 2012
I am trying to calculate the time difference between two points in time. I am using: Environment.TickCount.I set a long variable to the Environment.TickCount and then a second long variable to Environment.TickCount at a later point in time. I then subtract the second long variable from the first long variable, yet an incorrect difference is returned.
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Jul 9, 2011
I make a project car rentals but I have trouble counting time, to take the penalty when you return the car late,[code]but the results do not correspond..I want the result = 2 hours 10 minutes.
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Dec 31, 2011
Can someone please help me make this work? I want to do in vb.net calculate time between to date like this:
startdate: 2011/12/30
enddate: 2011/12/31
Calculate: ? hour ? minute ? secends
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Aug 12, 2010
example
textbox1.text has a value of 08:00
textbox2.text has a value of 16:00
[code].....
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May 4, 2009
I have a value which is milliseconds, I did some experimenting, and with my very limited math skill I came up with this:
Dim val = _Memory.ReadValueFromAddress(hProcess, timer_addr, 4)
Dim seconds = val / 60 Mod 60
Dim minutes = val / 60 / 60
I don't even know what will happen when the hour counts down,
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Apr 8, 2011
I'm new to VB and I'm so confused when using DateTimePicker. To be more specific, I have 2 inputs and two of them are Booking Start Time (BST) & Booking End Time (BET) (using DateTimePicker and set them as Time ). I should allow users to choose any time (including Minutes and Seconds)for BST (just need before than now) and BET. BET must be greater than BST at least ONE minute, but still also ensure it less than now (else it should appear a message box to tell specific problem). Then,system will calculate how long it is. [code]....
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Jan 6, 2012
I have many time result in my hand... like
10.10.23 (hours,minute,seconds)
01.14.15
How can i calculate total time?
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Jun 10, 2010
write a code that can calculate the difference between the datetime a article has been published and datetime of now.like this example :this article has been published 4 minutes ago...this article has been published about 2 days ago...
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Jan 31, 2011
I want to calculate the time taken by a method to execute.[code]...
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May 27, 2010
I am trying to calculate a total cost from an elapsed time. Dependant on how long the time is, this will calculate the total cost. It has to be 3 to every hour. The elapsed time is displayed in label6 in "hh:MM:ss" format and the total cost needs to be displayed in label8.
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Jun 7, 2011
Iam working on a Download Manager, but I dont know the codes for calculating the download time and how to stop ( not cancel) the download and then continue it. [code]....
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Oct 13, 2010
I was reading this article about relative time calculation
The problem is that the results are wrong due to the time offset. My webpage is Greek.So how should i modify that function to work correctly, including the GMT+2 or GMT+3 hours offset?
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Apr 26, 2010
I want to calculate the time taken to execute a function.[code]...
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Sep 7, 2009
I have an app that encrypts a file, and I would like to have an estimate of the time remaining, but I don't know how.
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Oct 25, 2008
Im using the Winrar dll to extract some big rar files but i want to know what methods are there to calculate the remaining time?
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Sep 30, 2011
I am a bit confused when comparing StartDate and EndDate in my asp.net app.
EndDate: 10/1/2011
StartDate: 9/30/2011
The if statement below returns true, based on the date values above.
If strEndDate < strStartDate Then
I would think the If statement shoudl return false. The concept is supposed to be that if EndDate is earlier than StartDate, display an error message.
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Feb 11, 2011
how to compare startdate and enddate? [code]Startdate cannot bigger then endstart to protect this condition.
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Sep 20, 2009
I have a variable for startdate as shown below.
Dim startDate as Datetime
startDate = Convert.ToDateTime(datepicker1.text).ToString("dd-MMM-yyyy")
In the immediate window if I try Convert.toDate(datepicker1.text).toString("dd-MMM-yyyy")it is showing date as 29-Sep-2009 but the value of startDate is 09/29/2009 I really don't understand why the value is not set in startDate variable as 29-Sep-2009
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Aug 3, 2010
How can i calculate time duration between sunrise and sunset? Then how can i divide this duration(sunrise to sunset) into 8 equal parts(Hr: Min)?
All i need is starting and ending time of every part. And i want to write this code in VB.NET because in VB.NET i can easily design the GUI.
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Mar 14, 2010
I am creating a report in vb.net using crystal reports and need help on finding sum of dailyworkhrs in my crystal reprot. I have a feld which calculates dailyworkhrs and now i would like to find the total of it. For example:
07:30:12
08:30:10
OUTPUT Should be
16:00:22
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Mar 25, 2011
I am sure there is a better cleaner way to do this but again I am just starting to feel VB.Anyway, what I am trying to do is get the calculations to work in real time, the form loads with the default radio selection and when the user click the controls, the prices starts to change like add and subtracts.Using the button is also an issue since the increment on the check boxes goes up by one even when the user click on another radio button.[code]
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Feb 23, 2009
Im using the express edition of VB.Net to do my project. I have several threads in my program which run fine. However, im stuck at this problem. I have a button in my form, which if I click I will call ThreadA (works fine), If i keep it pressed for more than 2 sec i need to call ThreadB (doesnt work), and if the time is more than 2 min, i need to stop and send a msg to the user. I have tried the timer to calculate the elapsed time, so the tick function would call the thread. BUT this doesnt work... Im not sure what do to.
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Jan 21, 2011
I made a sort of downloader program in Visual Basic 2010, and it downloads okey. It reports the full size of the file, and how much that has been downloaded right now and the percentage.
But, a function that i am missing is to show the user how much time is left on the current downloading. I have searched for it, but i couldn't find any solution that would work.I should also mention that i use a webclient for the actual downloading part.
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Dec 20, 2009
I've written a lot of code in VB6 and VBA but for some reason, I can't get my head around how to do it in VB 2008 Express.I'm trying to write a program that takes the time distance from an earlier time to a later time, in minutes maybe or even seconds, and use that value to calculate a percentage for a progressbar control.since I'll have multiple events, I will need multiple progress bars. I've figured out how to dynamically add them to a form, and how to update them via a timer. Even learned how to assign an event handler and how to target a progress bar in the array. All is good there but...Well... the parameters for each instance are start time and end time. With those two values, I'm hoping I can calculate where I am between those two points and feed that value to the appropriate progress bar. I just can't seem to figure out how to calculate time values from an input from say, a text box.
I have a text box for each instance for start time, something basic like "11:42 pm" and end time in the same format. Once the timer is started, I want to be able to calculate how far I am from the start time, how far to the end time, and use that to feed the progress bar as to the percentage of completion.Again, I figured out how to add a set amount of controls at run time as per the instances of timers. Of course, I'm only using one timer control to update the form, but using it to process the information and update the progress bars.Later on, I want to use a database to draw the timer data from, but for now, I need to get past this simple hurdle.I THOUGHT TimeSerial would do it for me... going back to my VBA work, you had one timeserial, and another, and you could use the result of one minus the other and then format the result. Even use that number to figure out hours, minutes, seconds. I can't seem to figure out how to do that with Visual Basic 2008 Express.
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Sep 14, 2011
I am working VB.NET 08.I am having error from the below code in StartDate and EndDate:
Private Sub Query2()
QStr2 = ""
If cmbEventname.Text <> "" Then QStr2 = QStr2 & "Eventname like '" & cmbEventname.Text & "%' AND "
If cmbType.Text <> "" Then QStr2 = QStr2 & "Type like '" & cmbType.Text & "%' AND "
If cmbVenue.Text <> "" Then QStr2 = QStr2 & "Venue like '" & cmbVenue.Text & "%' AND "
If dtpStartdate.Text <> "" Then QStr2 = QStr2 & "Startdate like '" & dtpStartdate.Text & "%' AND "
[Code]...
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Apr 14, 2010
From part of the code below where it say`s "Dim
startDate As DateTime =
New DateTime(2010, 4, 9)"
How can I insert a DateTimePicker, So I can choose a date instead of inserting date (2010, 4, 9)I have done a lot of seaching on this problem with no result.Basicaly I want to use a dateTimePicker instead of a fixed date on my startDate (fisrt date of year).
Private
Sub Timer4_Tick(ByVal sender
As System.Object, ByVal e
As System.EventArgs) Handles Timer4.Tick[code].....
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Jun 24, 2011
I want to create an application that able to calculate the total time the user (i.e. myself) spent on a particular application, for example Firefox. And this application should display warning message if the user spent a lot of time on Firefox (for example 1 hour or more)Reason: I'm a VB.NET developer. During my working hours, my main tool is Visual Studio and I suppose to do coding. But I need Firefox occasionally to access internet (particularly SO and other sites) to find solutions for my programming problems. The problem is I addicted to SO and SO sucks my time for hours until I have forgotten that I suppose to continue coding and not browsing the SO site.
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Apr 5, 2009
How to calculate the time remaining in copying a file and displaying it through a progess bar?
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