Change System Date And Time Using API SetSystemTime In Program?

Sep 28, 2007

While trying to set date time using SetSystemTime by passing the Structure.Only the date of the system is changed.Time is also gets changed but incorect time is showing in the System Clock of the Taskbar.e.g When I pass the following Structure(timeStru) to the SetSystemTime [code]...

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VS 2010 Change The System Date/Time?

Apr 28, 2011

how to Change the System Date/Time via VB.Net?

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Get SNTP Time - User Can Changes The System Time Of His Computer To A Advancing Date?

Jan 24, 2012

I'm using

Days = Dat2.Subtract(Dat1).Days

where

Dat2 = today

Dat1 = installed date

to trace the days of a program installed in user's computer.However, the user can changes the system time of his computer to a advancing date. How can I get a SNTP time from internet to solve this problem?

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When Form Loads It Load The Current Date And Time But The Time Does Not Change It Should Run?

Aug 24, 2010

I am using this line of code on form load event it is working very fine but i have to problems

1. It replaces the form name and display the date and time but i want to keep both date and time and forms caption separated by some space.

2. When form loads it load the current date and time but the time does not change it should run.

What should i do please please help me code is as follows

Me.Text = Date.Now.ToLongDateString & " - " & TimeOfDay

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Now() Function Returns Date And Time Which Is Different From System Time

Nov 24, 2009

The Now() function in VB.NET returns date and time which is different from the system time that I see on the right-bottom on the notification bar. It is 15 hours slower than the system time. Has anyone ever met this problem? I'm using .NET 2.0.

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Formatting Excel - If I Try Using Style.numberformat With The Date And Time Formats, They Don't Change And Are Entered As If Didn't Change The Format?

Mar 11, 2011

I am throwing some data out into Excel and am having some formatting troubles. I have 5 columns (date, time, a long number I don't want displayed in scientific notation - text is fine, text, text). I can get it all working with numberformat, however I have to do them different ways.

Date works this way cell.numberformat = "m/d/yy" and it formats it to say 3/1/11

Time works this way cell.numberformat = "h:mm AM/PM" and it formats it to say 8:07 AM

For the long number cell.numberformat = "@" and it doesn't change the format and it gets displayed in scientific notation

BUT if I use cell.style.numberformat = "@" it works as it should, but it messes up all of the date and time cells. Apparently when you use style.numberformat, it doesn't just apply to the cell you're working with. If I try using style.numberformat with the date and time formats, they don't change and are entered as if I didn't change the format at all.

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Write A Program Which Compares The Difference Between Any Date In The Past And The System Date?

Mar 6, 2009

I'm trying to write a 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 what I've got so far:

Code:
Public Class Form1
Private Sub TextBox2_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs)
End Sub

[code]....

That's what it looks like so far. I was wondering how you can automate the top label so it automatically comes up with the date when the program is run.Plus, I need to know how to display the dates difference (how many days have elapsed between the system date and the user's chosen date) in the bottom label.

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Set System Date/Time?

Jan 1, 2010

I am trying to change the PC's System Date/Time using the following code. Everything works but the Hour. The Hour seems to change to 9:00 AM no matter what value st.hour is set to.

I have also tried:

<DllImport("kernel32.dll", setLastError:=True)> _
Public Shared Function SetSystemTime(ByRef theDateTime As SYSTEMTIME) As Boolean
End Function

[Code].....

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Set System Time / Date Programatically

Mar 11, 2009

How do you set the system Time/Date programatically?

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Change The System Date By Using App?

Oct 6, 2011

I would like to change the system date by using a VB.NET app. I specifically don't need the format to read a system date.

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PC Info System - How To Retrieve Date And Time Format

Jul 27, 2011

I am trying to read the pc system information so that I can retrieve the time and date format.
My code below:
Dim Info As System.Globalization.DateTimeFormatInfo
Info = System.Globalization.CultureInfo.CurrentUICulture.DateTimeFormat
Debug.WriteLine(Info.LongDatePattern)
Retruns in debug: "dddd, MMMM dd, yyyy"

So I have 2 questions;
1) Why is there, a dd after the MMMM.
2) My company has small franchise branch offices round the world - France, USA, etc. What I am trying to do is get the date format so I can decide what country I am in - then when I print out the date on my order labels I can change the date format to suit Americans or Europeans etc.

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Unable To Convert MySQL Value To System Date Time?

Aug 12, 2009

While I am running the following code
If rdrOnClick.Item("DOB") <> "" Then
dtpDOB.Value = rdrOnClick.Item("DOB"
End If
the error occur
Unable to convert MySQL date/time value to System.DateTime

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Change System Date Programmatically?

Mar 2, 2011

We have different system date needs on different computers.

An application is using the following to get the current date[code]...

Unfortunately, it is NOT an option of changing the date format on the PC permanently. Is there a way to force the currDate to be retrieved in YYYY-MM-DD "date" format?

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Detect System Date Change?

Nov 12, 2011

I am writing an application on Windows-7 using Visual Basics 2010. I am accessing System Date with

Dim today As Integer
today = Format(Now, "dd")

Well, that works fine. But I need some indication/notification when system date changes, so that I can retrieve the new date.

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Change The Language Of A Date Time Picker?

Jul 15, 2009

how can i change the language of a date time picker?

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Adding Time - Get Value Of Type 'Date' Cannot Be Converted To 'System.TimeSpan'

Jan 13, 2010

why did they make this so hard to do. Does anyone have any clear cut, basic 3-4 lines of code that can tell me how to add 2 time variables together to create a 3rd variable? I tried this but on Time2 I get Value of type 'Date' cannot be converted to 'System.TimeSpan'.

[Code]...

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Date / Time Represented By String Is Not Supported In Calendar System

Aug 9, 2011

I have a application which gets info from an external feed where dates are in the format ddMMM. I'm trying to turn them into full date format so I was using DateTime.ParseExact. Which was correctly working out whether it should be 2011 or 2012 . But it is erroring when trying to parse 29FEB (which should be 29 Feb 2012. I can guess why its erroring. But if that correct behaviour is this documented and is there a better alternative? [code]

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Find System Date Change In Windows?

Mar 22, 2010

I need to find the system date change made by the user, i can find out this by checking the event log, and the event log can be deleted so it is not good idea.Can anyone suggest a method to find out the system date change in windows?

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VS 2008 Unable To Convert MYSQL Date/time Value To System.DateTime?

Dec 26, 2011

I need to display on my datagridview the data from MYSQL db, but I'm having a problem on a field which is in DATE format in mysql

cmd.CommandText = "SELECT * FROM tbl_user_log"
cmd.Connection = sqlcon
dr = cmd.ExecuteReader

[code].....

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Show The User The Current System Time And Date Using Progress Bars In VB 08 Express?

Jan 7, 2011

I am trying to write a program that shows the user the current system time and date using progress bars in VB 08 Express but don't know how to start it, I am having trouble with getting the program to refresh the minutes and seconds progress bars

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Date And Time In A Program?

Jun 7, 2011

What is the syntax that should be used in order to check if 08-Jan-2010 is before or after today.

I mean:If 08-Jan-2011 < today's date Then
msgbox("08-Jan-2010 is in the past")
Elseif 08-Jan-2010 > today's date
msgbox("08-jan-2010 is in the future")
Else
msgbox("08-jan-2010 is today's date")

This is exactly what I need to know

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Date Be Used To Limit The Time A Program Can Be Used?

Dec 16, 2009

I want to quickly limit the time that someone can use my program and do it without licensing software for now. Can I use an If'Then statement to check to see if today's date is later that a date that Ihard type similar to this conceptually. I am using VB2008.

If today's date > 1-1-10 then
Messagebox.Show ("Your trial period has expired.")
Else Form2.show()

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Open A Program As Another Date And Time?

Aug 21, 2010

Is it possible to create a program to run a program in another time?I mean you can run a program and give it a different time, such as three hours against the program (only by that program) say that one hour is?

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How Does DotNet Handle Parametrized Dates Where Programmatic Date Has No Time But Sql Date Has Time

Jul 16, 2010

Thought I'd see if Stack overflow is quicker than me testing something while I get a thousand interruptions from other work :)

I'm updating an old VB net application and trying to refactor some of the logic as I go. The app looks for data from a single date across a few tables and writes that view to a file.

Writing the query in SQL I'd get the equivalent of

SELECT * FROM table
WHERE CAST(FLOOR(CAST(table.date AS float))AS datetime) = '15-Jul-2010'

Ideally I'd use

SELECT * FROM table WHERE date=@input

and add a date object as a parameter to a System.Data.SqlClient.SqlCommand instance

Are those two comparable? Will I get the results I expect?

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Record A Start Date And Time And Then The Stop Date And Time In A Rich Text Box

Jan 12, 2010

I am using VB 2008 and want to record a start date and time and then the stop date and time in a rich text box, i can get the start time into the box but so far can only stop the time instead of 2 seperate times, what i have is a drop down box with a list of computers 1-10 i was trying to get it so you picked a certain computer and that went into the text box then you started the timer and that was recorded, finally you stopped the timer and that was recorded but as i am a total newbie it does not work

Here is the code i have.

Public Class Form1
Dim time2 As Date

[CODE]...................

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Declare Date-time Format In Program?

Jun 6, 2011

How do i declare date-time format in vb.net from sql server 2005? i dont know where to put this line

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Disable Date Time Picker In Program?

Sep 4, 2010

How do i disable the dates that has already been passed. the user must not select the dates that has already been passed

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Run VB 2005 Program Constantly And Compare Date/time?

Sep 29, 2009

I made a little application that check the servers and if the servers go off for more than 5 mins then the program will sent me a mail.My problem is how do I compare the server date time witch display in a textbox to the real datetime which display in a label also how do I run the program constantly till the user decides to exit by clicking on a exit button.

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IDE :: Making A Program That Will Show Original System Install Date?

Jan 31, 2011

I am making program that will show Original system install date and calculate how old is system...How can I code that in VB 2010?

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SQL Exception On Insert Of Dateandtimepicker.value.date Into Date Datatype: (Conversion Failed When Converting Date And/or Time From Character String)

Apr 8, 2010

Title pretty much says it all. How do I format the date of a dateandtimepicker to insert it into the SQL date datatype?

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