im currently working with a payroll system as a project i wonder how can i use
TimeDiff(,,,)
in crystal report(FOrmula Fields)what are the proper things to put on it?to find the difference of 2 time or any other way of finding the difference of times?
I want to calculate the difference between 2 different times. have the following code:
Code:
tNow = Now.TimeOfDay.Hours & ":" & Now.TimeOfDay.Minutes & ":" & Now.TimeOfDay.Seconds
tEnd = iNum1 & ":" & iNum2 & ":" & iNum3
tTimeRemaining = tEnd - tNow
This works all well until, the variables are the following:
Time Now: 7:36:34 PM
Time End: 12:46:00 AM
Because it passes over from PM to AM it gives me like 18 hours difference.Im lookiing for it to return me 5 hours
ok i will try to put this simple as i can. i am a doing computing coursework and as everyone can guess it is a pathetic programme i have to build. i need to work out the time difference between two times imputed by the user. i get high marks from making the programme user friendly so i want to use normal time (hh:mm). i am struggling to calculate the differences between the times.
i have tried to do it manually by working it out by sums and i have triedd to use date variables but vb 2008 just keeps saying i need to use timespan. i have never used system.timespan and have no idea how i am meant to use it.
how to get the time difference between 2 date & times Where
from_time falls >= 22:00 of the From_date & the to_time falls <= 06 of the To_Date
for example:
From_Date = 01/01/2011 20:00 ' Where Work Started
To_Date = 02/01/2011 08:00 'Where Work Ended
Time_Covered_Between_22TO06_As_Night = 22:00 to 06:00 is 08:00 hrs How to equate it?
I am trying to calculate the difference between 2 times.
So far I have 4 labels.
Label1 = Current date and time.
Label2 = Contains the exact time that the application was last closed.
Label3 = Contains the exact time that the application was opened.
Label4 = I want this label to say how much time in seconds had elapsed between the application last being closed and the application being opened again, in other words the difference in seconds between label 2 and label 3.
Below is what I have done so far, but despite repeated efforts I can't seem to find a way of getting the time difference to show in label 4?
[Code]....
I want to enlarge an image, possibly up to 32 times or 64 times bigger than original dimensions (so that the user can see each pixel) if possible. The following is a simple function that I have to enlarge an image.
Private Function xEnlarge(ByVal Source As Image, ByVal Rate As Double, Optional ByVal Quality As Drawing2D.InterpolationMode = Drawing2D.InterpolationMode.HighQualityBicubic) As Image
[Code].....
I have just started using vb.net and I have a checked list box with times throughout the day shown as
00:00 - 00:14
00:15 - 00:29
00:30 - 00:44
00:45 - 00:59
What I am trying to find is a way to get the current time and find which list item it fits into. What I think I need to do is to first of all get the current time and then go through the list splitting each item into 2 times and seeing if the current time fits. For example: Split the item 00:00 - 00:14 to 00:00 and 00:14 and then check if the current time is more than 00:00:00 but less than 00:14:59 and if so do certain task.how to go about taking each list item and splitting it into 2 separate times so I can check between them?
i am trying to make a coin toss program where you toss a coin a certain number of times then repeat it a certain number of times.
the problem i have is "heads(counter2)" the word "heads" has a blue error line under it how do i sort the error out and also is all the code right
Public Class Form1
Dim tosses, repeat, heads As Integer
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
[code]....
i want to calculate sum of two times example:
[Code]...
i want to subtract 18 years from a vb date object here's the code example:
Dim someVar
DirectCast(pcontrol, DateTimePicker).Value = Date.Now.Subtract(someVar)
someVar value is ?
I need to tab over a certain amount of times in a text fileI am using chr(9) for the tab, but I don't want to have to put in a bunch of those.
View 3 RepliesHow would you make the Interval of a timer to be between two times.
E.g if you wanted an event to occur between every 7 and 20 seconds?
Imports System.Web
Imports System.Net
Imports System.Net.ServicePointManager
Public Class GetSource
Function GetHtml(ByVal strPage As String) As String
tryAgain:
[Code]...
What I got here is a vb.net code where I parse the website for its html This function works fine. The question is this...
1.If I run 100 threads with this function at the same time, Will it work?
2.Won't it affect my internet connection as well?
I don't want to waste time creating threads and codes a hundred times so if you know the answer please advice me on what should I do instead
I am creating a Time Sheet Calculator Application and just need to find out how to add numbers that are in hourly form. For example 2:39 (two hours and thirty nine minutes). I know how to create code for simple addition of decimal numbers, but does VB 2010 have some kind of way of adding hours and returning a number in hourly form.
View 1 Repliesi have a tab control thing and i want to make it transparent. When i set each tab to that is just turns gray, even when i run it. Can someone help me. I dont want to have to apply the same image to each tab several times.
View 14 RepliesI call a sub about 10 times under a button, is there any trick to know in the sub code, if it is the first called sub running or the 2nd...?
getResults(0, 10)
MsgBox("pause")
getResults(10, 10)
MsgBox("pause")
[CODE]...
[code]I am not sure why but I have to click 2 times on the save button to save changes in my application. I may have missed something.
View 3 RepliesI am reading data from a provider and they have a column where ONLY the time is provided. The thrid party provider cannot change the format and that is what i have to work with. An example
[11:56PM][516]
[11:57PM][510]
[11:58PM] [510]
[code]....
I can read the data no problem. The problem that i do have is to calculate the time elapsed between records. Here I can safely assume that at most the time will cross over into the next day. I don't particularly care what date I assign to my DateTime variable so i just pick DateTime.Now and then I go through and use the TimeSpan object to calculate time elapsed. Works great except when the records cross midnight.way to do just a pure time comparison? otherwise i am left currently with converting the time into a military time and then using a simple integer comparison to determine of the date has crossed over into the next day. i then use DateTime.Now.AddDays(1) to assign the full date.
i want to compare two times in vb.net i.e i have 1:42:21 PM and i want it to compare with TimeOfDay in vb.net how can i do that....
View 4 Repliesim confuseing when should i use new to create an instance and when not for example in some program programmer declare a instance with new some times without new
dim o as process
or
dim o as new process
what is deifernces?
I'm struggling to think of the best route to go down.
Basically, it's a booking system and in the database I have two datetime fields.
CODE:
As you'll see, these particular records represent seperate bookings, each taking an hour each. My question is what would be the best way of viewing what times I have available (taking into consideration the data in the database)? After 11:00, the room is free, so I'd like to return 11:00-17:00 is available.
I am trying to get clock in and out times to go in one worksheet. When I coded the two buttons they created two different worksheets. What can I do to place the times together?
Public Class Form1
Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
Label1.Text = TimeOfDay
End Sub
[code].....
i = 5, j = 15
do while (i<j)
i=i+1
j=j-1
end while
how many times is the loop executed? is this 4?
final value of i? 9?
final value of j? 10?
when would you do a do while versus a for next loop?if the upperbound of a one dimensional array is 10, what is the size of the array? 11?CAN I GET HELP WITH THIS
dim x(20,2), y(20,2) as integer
dim i as integer
for i = 4 to 12 step 4
[code]....
how many times is the loop executed? 3?what is the value of i after the code is executed?if x and y are dimensioned as dim x(10),y(10,2) as integer, what would happen in the code?
how can i limit the use of a character? Specifically "." period.
View 3 RepliesI have a database and I have a form that you can add questions to the database. Once the question has been added, I go to the quiz which uses the database and it goes through all the questions twice. I was wondering why this is happening [Code] Also I was wondering how do I set up the form to be the first form shown on the program?
View 11 RepliesI have a database and I have a form that you can add questions to the database. Once the question has been added, I go to the quiz which uses the database and it goes through all the questions twice. I was wondering why this is happening Adding Questions to the Database
Public Class frmAddQuestion
Private Sub lblAnswerToAdd1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
conOpen()
sql = "Select * from questions"
[code]....
how do I set up the form to be the first form shown on the program?
I am trying to create a small application which does mathematical calculations using dates and times. Specifically, to determine the period of time between two specific dates and times.
View 2 Repliesim comparing some datas from 2 arraylists and i need to use something like mid because the last 2 chars of the arraylists().tostring are going to be different and i want to exclude them from the check, basically im using something like this
if mid(arraylist1(i).tostring,1,arraylist1(i).tostring.length - 2) = mid(arraylist2(i).tostring,1,arraylist2(i).tostring.length - 2) then
end if how slow is this into a loop that has to do it up to 7320 times? i checked it on my pc and it semms to work just fine, under 0.3 seconds, but the problem is my pc has 3.6ghz dual core 4gb ram on a windows xp.im more worried about other slower pcs, do you think using that comparison is a bad idea to performance?
I have VB2008 Express.I have a main form. From the main form you are eventually lead to form 2.
Main Form - Form 1 - Form 2 - Form 3 I want to monitor how many times someone gets to Form 2. How many times Form 2 is opened but then closed without proceeding to Form 3. I do have an "exit" button on form 2, that will go back to Form 1.
the MouseWheel event triggers 3 times every time i scroll ... this i believe is because i have my wheel set in windows to scroll 3 lines at a time but i am updating a "zoom" and only want it to trigger 1ce per wheel movement any ideas?
View 9 Replies