Created one windows applcation.now i would like to give licence for it by keeping expiry date.am planning to keep expiry date in registries.how can i get the actaul date. ie; when user changes the system date also- this should not change.(i meran expiry date.) Am looking for logics to acheive this..!!date will be encrypted with the encryption algorithm- defined by our team.
View 1 Repliesexample: inside regional date format setting i set "Short date format dd/MMM/yyyy" and inside vb.net program i set "strSQL = strSQL & ",'" & Date(Date.Now.ToString("dd/MM/yyyy")) & "'" ----> working fine. if user changed the regional date format setting to other format like "mm/dd/yy" facing problem during saving record into sql table. error date conversion. It's possible to avoid using computer regional date format from vb.net? or have any other way...
View 2 RepliesI am querying a date from my Access 2007 database in the format: MM/DD/YYYY It's then saved as a string
Depending on the month and day, it might be 1 or 2 characters. To set the DateTimePicker, it takes it as this format: DateTimePicker.Value = New DateTime(YYYY, MM, DD)
How can I switch around the characters in my string so that it can satisfy the format the DateTimePicker wants? I was thinking about some kind of reader that "consumes" characters until it reaches a delimiter ("/") and then does something with it. I remember doing that in JAVA but not in VB.NET
I've had a look around, once again and can't find how to set the minimum and maximum dates allowed to be selected on a calendar in ASP.net with VB.
I'm using Visual Studio 2010 and it's just a regular Calendar control at the moment...
At the moment I've seen things like:
Calendar1.DateMin = DateTime.Now
But Visual Basic doesn't seem to like that (maybe it's a C# thing?).
So I made a little program, and when I run it on my computer the Date format displays as DD/MM/YYYY, but when I run it on some other computers it displays as MM/DD/YYYY. Is there anyway to set the default incoming Date format? Or do I just have to be very careful about how I get/set parts of dates?
View 5 RepliesIm writing an app which connects to a SQL Server database, via datasources / datatable.When Im looking at my .xsd I can see DataTables containing DataColumns. Each DataColumn has a 'NullValue' property which defaults to '(Throw exception)'.Because I have nulls in my tables I have gone through the fields and set all System.String fields to NullValue = 'Empty', System.int32 field to NullValue = 0.
View 1 RepliesWe have a very massive system where reports are run off dates from specific days through to today's date using various definitions of "GenerateSalesReport(DateStart, Date.Now)". For debugging purposes I want to simulate reports that occurred in the past so I need to change the object "Date.Now" to a specific date from the past on my development environment. Can you override date.Now?
View 3 RepliesIam looking to change programmatically, from Regional language setting [control pannel] date format to dd/MM/yyyy .
View 4 Repliesi used date in my project often. but every time i used format(now,"dd/MM/yyyy"). But i want to change the system date format to "dd/MM/yyyy" permanently.
View 16 RepliesFirst off a great piece of code [URL] you saved me soooo much time. I am a somewhat newbee to VB2010 and was wondering how would i go about setting lets say setting column(4) to a date format so that i can get it to sort in the correct order.
View 8 RepliesI have included a Date and Time Picker Control in oen of my MS Access Forms and want to set its value on the form open event. However, when I try to set the Value property I get the following error message :
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I have developed a VB.net 2008 application.My application is running successfully in x86 machine.I write some files in windows folder.When I test it on Windows 7 x64 machine with administrator log in there is no problem with this.If i run it with other user log in it gives me an error for access denied for files in Windows folder.
View 6 Repliesi am working on a college project in visual basic 2010. in my program, i noticed at the last minute that i needed to add a "main" window. in this main window, i want to have all my other forms opened by buttons (i know how to do that part of it).
the problem i keep having is the window with the options to save the information pops up, not the main window. is there a way to easily fix this? maybe a snippet of code, because the only way i can think of is to scrap the project, start over from scratch adding my main window first, then the others.
im not 100% sure this is the right place for this, but thought I'd give it a shot.I created a windows service, and it accepts startup parameters to set the connection string for my database connection. (-L for live, -D for dev, -S for stage etc.)[code]I installed the service using installutil (I already tried using sc.exe) and I can't specify startup parameters.So if I go into Services and go into my service properties and manually type -D into the Startup Parameters box and hit start, I get -D as my parameter, life is good. But the parameter won't save in the startup parameters box, it just reverts to a blank box whenever I close the properties page.[code]
View 1 RepliesWhat are best practices when creating a custom event log for a windows service? I've set my service on a timer so it fires up every day (except weekends) at the same time. For the last 3 days, I've been getting the following error: The source 'DMCS57ExportService' is not registered in log 'DMC S57 Export Log'. (It is registered in log 'DMCS57ExportLog'.) " The Source and Log properties must be matched, or you may set Log to the empty string, and it will automatically be matched to the Source property.Based on that error, I know there's something wrong with the code that creates the custom event log (see below)
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Dows anyone know how I can build a timeout feature into a windows forms app.
The app is event driven, but I am thinking of somehow using a timer which counts down for say 10minutes, and one the timer ticks then we time out the user.
The problem I have is how can I reset the timer each time the mouse is moved or clicked.
Within Control Panel -> Regional and Language Options, there is a Formats tab, with a drop down of all possible language formats. I wish to retrieve this list using VB.NET. Could anyone point in the direction of which Windows API call to use?
View 2 RepliesHow to control the font DPI in .NET WinForms app..How to change the Appearance/UI of win-forms in vb.net as per Windows display setting? default windows display setting is 100%, if i change it to 125% then my win-forms in my application doesn't display properly as per display settings.
View 1 RepliesI am trying to write a script to set the focus to the folder view in Windows Explorer. Is there some sort of way I can find the folder view pane and set focus to it? A bit like finding a child window and setting focus to it using the Windows API functions.
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Now I realise that you can't use the above functions to find parts of Windows but it just gives you the idea. If I could do it with API functions that would be fine otherwise I am a little bit limited because I am using a Visual Basic scripting type engine which I won't bore you with details of.
I figured out that i could use Dim serv() As ServiceController = System.ServiceProcess.ServiceController.GetServices(".") to get my services.
Now i want to set (change) the depending services for some.
how to use DependentServices.SetValue.
I need to work with custom controls, I want to be able to set the properties of my controls so when I put them on my windows forms they will show up in the properties window thing.
View 3 RepliesI Want To Make An Application To Set Other Applications Icon (For Example : EXE ) But I Don't Know How To Set An Application's Icon
View 4 RepliesI have created a little application to move some files around and put them into a database. This is working well except that the application needs a timeout. If my app has not completed the task within 2 hours it re opens and locks out everything. I need to say that if my application has been open for 2 hours close it. One thought was can you set a time out in an application.
View 3 RepliesIn VB.NET, you can set focus to an external application using
AppActivate("Windows Name")
or
AppActivate(processID As Integer)
Now this works fine if you do for example:
Dim intNotePad As Integer = Shell("C:WINNTNotepad.exe",
AppWinStyle.MinimizedNoFocus)
AppActivate(intNotePad)
But when I do:
For Each theprocess As Process In processlist
If InStr(theprocess.ProcessName, "DWG") Then
strProcessList += String.Format("Process: {0} ID: {1}", theprocess.ProcessName, theprocess.Id) + vbCrLf
AppActivate(theprocess.ID)
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then it doesn't find the window, even if it's open and even if it finds the window using the window title.But I need it by process ID.How can I do that?I need it to set focus on a 3rd party installer in a windows installer setup project.
I have an application that has two states based on the value of a Boolean variable: a read_only=true state and read_only=false state. The value of this state is stored in an external settings file. My application has a feature called deploy that generates a copy of itself in the same folder with the read_only=true state. But, the read_only variable value is stored in an external file so now both files will be in the read_only=true state. What I want to do is make one of them(the original one) always be read_only = false and the other read_only=true
View 3 RepliesWhen upgrading my old app, how do I preserved those old Application Setting that had been set by previous app, so that the new app can use back the old app setting?
View 1 RepliesI've tried everything to set my window as active after I've been working on another external App... I have my system on auto and need to send some keystrokes to the program using sendkeys, so I need that app active. I've tried almost everything I can think of, bringtofront, setfocus, windowstate, setactivewindow, setforegroundwindow (For the last 2, hwnd doesnt work - I'm using VB 2008 Express) but none of them seem to be working.
View 4 RepliesI have an application which calls an external process. I would like this process to be open as soon as it is called. i.e. with no user interaction.This is because I would like to send Keys to it to interact.I know how crude this is but this is a thrid party application that my boss has promised will open is a specific way. Dim procSungard As System.Diagnostics.Process = _
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I have written an application. It works fine on some resolutions but most of the controls are over lapped when it is run on some other computers.Is there any way of setting the application automatically when it is run on different computers?
View 1 RepliesI need to create an application that can accept BitCoin donations. I will have clients sending the data and a server to collect the results. Now, I have my own BitCoin account (on http://ww.MyBitCoin.com) but how would I transfer coins automatically from the client to my server where it will then be added to my account?
View 1 Replies