Time Display - Adding Hours To Convert UTC Time
Dec 20, 2010
I am trying to create what I am sure is a simple program to add hours to convert UTC time. I want to type in a UTC time and have it convert for every state in Australia. [Code] Now that works fine however when the conversion goes past "midnight" it then shows the date and time. I have tried about 50 different things but cannot get it to remove the date when the converted time passes midnight. [Code] The string was not recognized as a valid DateTime. There is an unknown word starting at index 18.
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Sep 6, 2007
I want to know how to sum time like
Case 1
If I have MaskedTextBox included 11:00 am and I have onther MaskedTextBox included 1:30 pm. How I get result be 2:30 hours ????
Case 2
If I have ListBox Included 5:01 , 4:30 , 6:10 , 3:20
5:01
4:30
6:10
3:20
Sum Result
H 18: M 61
Convert To Hours
H 19 : M 01
How to Do this Operation with Code VBnet 2005?
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Sep 7, 2008
In Microsoft Access I use: Hours(time) minute(time) function to get current time hour and minute. I then use loop to add to the minutes until it ends in a 5 or 0 to round it up to the next 5 minutes. e.g. 13:43 rounded up to 13:45 I use IF statement to make sure the minute does not exceed 60 to start the hour. I want to use that time to add hours or minutes to easier e.g. add 15minutes, add 1 hour ect.
[Code]...
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Feb 10, 2012
I have a program that reads a file with Pacific Daylight Time, I want users to see the time and date in their local environment.
At present I have in Australia a time difference of 18 hours, so I have a list box with -24 to +24 and currently set at 18, my code is elementary as long as I have moved past day one of the month it suits me personally, but I want to distribute my app, so I need something better.
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Sep 6, 2009
I have an ASP.NET application with a SQL Server back end. I am storing all my dates in UTC format and doing the appropriate conversions to the local time zone of the browser viewing it. One of the pages asks for a start date and end date (no times).
I am taking the start date and setting the time to 00:00:00 hours (midnight) and I'm taking the End time and adding a time of 23:59:59, so that the date range covers the whole day. Now what I'm trying to do is do a SQL query to do a search for records in this date range. The problem is, the data in SQL is in UTC time and the user is typing their dates and times in their local date and times. My quickest solution was to convert the date and time to UTC, then search the records. However, by doing this, I am to believe ASP.NET converts the given time and date to UTC based on the server time zone. How can I convert a date and time to UTC time based on the time zone of the user?
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Nov 22, 2010
I have got the following code for if in textbox1 the would be appear as 10:10:00 AM and in textbox2 the time will appear as in 4 hours time slots automatically as 06:10:01 AM ..if the textbox2 time will be 06:10:01 AM then MSg box will appear that "You can not registered to this site because the 4 hours time slot will be over " [code]Remember in textbox1 the time would be any .....and textbox2 will auto generate time according to textbox1 to maintain 4 hours time slots between textbox1 and textbox2
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Aug 14, 2008
I have a multitude of VB .NET programs that generate reports in Excel that I populate from an SQL Database locally. My boss wants me to port all these to ASP.net so that users could then access these reports with dynamicly generated results on a browser page.Before jumping onto imbeding Excel objects using ASP.NET from the code I have in VB .NET I was wondering on what kind of approach to use. What could be the most effective way to convert/display these reports in real time to the user via a Browser?
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Nov 17, 2009
can anyby help me to add 4 hours to the following date time value [code]
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Aug 28, 2009
I'm currently using this code to get the time span between the two hours.[code]
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Sep 26, 2010
In some text boxes I enter times like "08:00 16:00" then another textbox next to it will display 8 hours then a label at the bottom calculates the total overall hours. There are a total of 7 textboxes for times entered and like the example above and another 7 for the calculation of that days hours worked. My problem is when I enter "08:00 16:30" the total hours in that text box would be displayed "8.5 hours". I need to tweak this so it is displayed 8 1/2 hours. My second issue is that the label that displays the overall hours only calculates if I enter times like "08:00 16:00" if i entered "08:00 16:30" it would not calculate
Here is my code:
vb
Private Sub txtMondatTimeKeeping_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles txtMondayTimeKeeping.TextChanged, _
txtTuesdaysTimeKeeping.TextChanged, txtWednesdaysTimeKeeping.TextChanged, txtThursdaysTimeKeeping.TextChanged, txtFridayTimeKeeping.TextChanged, _
txtSaturdaysTimeKeeping.TextChanged, txtSundaysTimeKeeping.TextChanged
CalculateHours()
[Code] .....
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May 29, 2012
How can use numericUpDown to set the Time (Hours : minutes : seconds).I want to use one numericUpDown.
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Jan 28, 2011
Searching about kernel32.dll and battery functions in it, I came across some interesting
Public BatteryLifeTime As System.UInt32
The full declaration is:
Private Declare Auto Function GetSystemPowerStatus Lib "kernel32.dll" ( _
ByRef lpSystemPowerStatus As SYSTEM_POWER_STATUS) _
As Integer
Private Structure SYSTEM_POWER_STATUS
Public BatteryLifeTime As System.UInt32
What I don't understand is, what measurement do the "BatteryLifeTime As System.UInt32" is in? I mean, is the Battery life Time in seconds or hours.. Or something else, so how can I convert it to something I can use..
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Nov 21, 2010
If i have textbox1 which display server date as 27-Nov-2010 Textbox2 will display time as 08:00:00 AM..i want if the departure of the plane is Date 27-Nov-2010 and Time 08:00:00 AM then if he/she wants to cancel ticket then it can cancel their ticket till Date 27-Nov-2010 and Time 04:00:00 AM.. Any Body can cancel their ticket before 4 hour of departure date/time..I want cancel plane ticket before 4 hours of departure time if dep time is 08:00:00 AM then Passengers can cancel ticket till 04:00:00 AM ??
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Sep 1, 2009
I am writing a program and have run into an issue. The program requires a conversion of time (e.g. hours,minutes,seconds) to a hexadecimal value of no more than 4 bytes (e.g. FFFF). I have no idea how this is done. Can anyone point me to a tutorial or give a quick explanation. Sample code would be great as well.
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Jul 17, 2010
I wish to display a greeting to the user when they start an application. It's very simple "Good Morning John" or "Good Afternoon John" or "Good Evening John" depending on the time of day. How do create a time variable where it's based on 24 and not 12?
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Feb 9, 2012
So i know this is more Math related but it would make life so much easier. What i want to do is enter 2 times into 2 text boxes and then subtract them from eachother to find out the hours inbetween as a decimal.
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Dec 7, 2009
still having problems with adding (decimal time) to any given time and getting the answer in 24 hours (Military time) I have a picture of what I have at the moment
[Code]...
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Nov 7, 2010
been racking my brains on this one for a long time, and I've finally decided to ask the question. I had sevaral fields on a vb.net form which need to come together
[Code]...
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Feb 7, 2011
would i do something like "dim txt_whatever as new textbox" or would i do something else?
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May 28, 2009
I have an SQL Server database with a table in it that has a column labeled DATE (datatype =date).The table also has a column labeled TIME (datatype Integer) that contains hours and minutes.I would like to be able to display the time in a datetimepicker also.
Would it make sense (remember I�m new to VB) to have the time as part of the date column?Doesn�t the date/datetime data type include time(7/24/1996 12:00:00 AM)?If so what is the best way to add the TIME column to the DATE column.I know I can go back to our other system (IBM iSeries) and combined the columns and transfer the data over again but that is chore (the transferring) and I want to learn how to do these kind of things without falling back on my IBM skills.It seems I should be able to add time to the DATE column of the table. None of the DATE data transferred over to this table had time with it.
Debug.WriteLine(Me.ServiceRecord.Field(Of Date)("served_date"))
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Jun 9, 2009
When adding controls to a form at runtime, you can do either of the following:
[Code]...
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Sep 15, 2009
Here's The Time Now: 21:43 How can i convert it to GMT ??? Isn't there a default vb.net command like:
Dim Time As Time = New Time(21, 43, 0)
Time.ConvertToGMT
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Sep 6, 2010
I have an app that I have made. The application generates 14million combinations of numbers and inserts them into an Access Database. As you can imagine, this takes AGES (whole night) to compute. Is it possible to make the same method call twice so instead of one combination being generated and inserted, two or more are?
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Mar 3, 2010
how can i add a trial with random serials or single serial and once it get registered expire it after 6-12 months....and also if user change its clock time to some day back it remains expire.....
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Oct 5, 2010
I am trying to write a small program so I can log times of the jobs I do throughout the day. I have figured out getting the time values and getting the time differences between travel start and travel finish. The problem is i need to add together two sets of travel times to get a total travel figure for the day. I am struggling with the adding of two time values in textboxes.
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Jul 1, 2010
How do i go about adding new labels in run time
Dim Label as new Label
something around those terms
I would like the label to be name label1 ... label 2 ... label3... So on
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May 15, 2010
If i change any table definition after using the fields on a form VS stalls and doesnt allow to load the form
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Jun 15, 2010
how I can convert date time from dd/mm/yyyy HH:MM:SS to this format 19900101000000.000000+**** as used by WMI? I'm trying to set a schedule for an advertisement in ConfigMgr 2007 using vb.net.
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Aug 18, 2010
[code]...
Very simple, I click a button and it shows the answer in the label. The answer to this is: 00:02:38 (according to excel)
But I want my Vb.net to change the decimals into the time as excel would do so. The answer vb gives me is: 0.001833786. So how can I change a decimal into a time?
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Jun 1, 2009
I've dates in different time zones.
How to convert them to UTC giving the respective time zone.
Something like this:
Dim Dated as DateTime = TempDate.ConvertToUniversalTime(TimeZone)
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