vb.net

  1. A

    plot chart using excel range

    Hello all, i have form1 in vb.net in which i have a button1 and chart1. what i want is to plot chart1 in vb.net as its as in excel. (with xy scatter with x range named as "cx"--(A2:A5), and y range named as "cy"----(B2:B5) Thanks for support. Alok
  2. irvank

    Question Delay Upload Query

    Hi Guys, I have a question about .net programming, this is what i have to do i need to build a cashier app and this app have connection with sql server at other place, so the main point is can i keep the thing that have been sold when internet down, and when internet up its automatically...
  3. G

    Question update from sql table where maximum date

    I am building a VB.NET Windows Application form, and as a newbie cannot figure out an issue. I have two sql tables, which are not joined. I wish to update one (skedulering) from another (ontledings) where I have certain "WHERE" clauses as in the following code : opdraginvoer.Connection =...
  4. bluezap

    Reading Json data

    I want to respond to this Json data in vb.net { "success": true, "uses": 3, "purchase": { "id": "OmyG5dPleDsByKGHsneuDQ==", "product_name": "licenses demo product", "created_at": "2014-04-05T00:21:56Z", "full_name": "Maxwell Elliott", "variants": "", "refunded"...
  5. bluezap

    Question Convert curl into vb.net

    Here is what I need to convert curl https://api.gumroad.com/v2/licenses/verify \ -d "product_permalink=QMGY" \ -d "license_key=YOUR_CUSTOMERS_LICENSE_KEY" \ -X POST Here is the response I need to react to { "success": true, "uses": 3, "purchase": { "id"...
  6. D

    Question Object Access Time vs. Function Processing Time

    Hello all! I'm new to VB.NET and have been toying around with creating functions, subs, classes, etc. One test program I've written tests the differences in processing times via two methods: variable access vs. function invocation. What I mean by this is I have one module and one function. In...
  7. Y

    Question How Attach Resource To Compiled EXE And Receive That?

    Hi All. I use this code to write resource to exe file : Module ResourceWriter PrivateFunction ToPtr(ByVal data AsObject)As IntPtr Dim h As GCHandle = GCHandle.Alloc(data, GCHandleType.Pinned) Dim ptr As IntPtr Try ptr = h.AddrOfPinnedObject()...
  8. V

    how to login flash site ?

    how to login a flash site in vb.net ? ex. http:// chatrandom. com/webcamchat/ http:// free.123flashchat. com/room/
  9. I

    How to draw the spatial Shape ?

    How to Draw the below Shape in vb.NET ? And i want to insert the shape in label . please give any idea
  10. R

    Delete Button Not Working

    hi so i have a basic form connected to a database to connect to a database, now my problem is that when i press delete it deletes from the datagridview but not from the actual database and yes i am checking the database in the debug folder also after I use the delete button when add a new...
  11. D

    Question Getting data from access database

    i'm coding dictionary program dealing with idoms and sentences as example if i wrote on english textbox: it suppose to get this row from arabic column in database: and applied in arabic textbox like this: as the first line is arabic translation and the second phrase means: (another...
  12. T

    Question call a function?

    How can I call a function in the Private Sub Form1_Load. I want to be able to call items like item1.Enabled = False item2.Enabled = False Thanks
  13. J

    Question Simple database help in getting started

    Hello everyone, First time poster here! I need a little help and direction with how to go about writing a program using a database. Apologies in advance if I've posted in the wrong section. Aims: 1) To be able to make a form that takes about 8 pieces of information and stores it on a central...
  14. Daerynsura

    Question application launching two instances

    This is a bit of a head scratcher that I can't quite figure out. My application is using .NET 3.5, targeting Any CPU. When I launch the application through Visual Studio (debug or release), it's fine. When I run the executable, it launches two instances of the application: One of which shows to...
  15. R

    Question Best method to deal with sending data remotely

    Hello, I'm making an application which will require a variety of data to be sent to and from a server, with multiple clients, none of which have port forwarding enabled, unlike the server. At the moment, it seems that the only way to allow bidirectional data transfer is via ajax calls to the...
  16. M

    Question Csv File not updating

    Here is the login process, record adding and updating, I cant see where I'm going wrong, *******The User will login to their account ***** sub login() FileOpen(1, CurDir() + "\LoginDetails.csv", OpenMode.Input) logposition1 = 0 Do Until EOF(1) fullline1...
  17. P

    Question How to add Parent and Child record in Details View ??

    Hi I greatly appreciate some help, I'm sure this should be simple! I'm trying to make a simple data entry form to create a new Contact (parent) and one new Location (child). The design is: - Tables are in SQLServer. Contacts table (parent) and Locations table (child) - Relation and Foreign...
  18. E

    Question System.Diagnostics.Process.GetProcessesByName Responding giving True, should be False

    Hi there I am making a Process watcher program that watches for a program, Excel in this instance, to be not responding. IF not responding wait for a threshhold and if threshhold met kill the process. This works most of the time.. but sometimes for some reason, i wish i knew why cause then i...
  19. A

    Question checking and merging '.pdf'-files with itextsharp

    With a vb.net tool I'm collecting emails (as file) and their attachments from outlook. The files are, as far as they are not ".pdf"-files, converted to ".pdf"-files and afterwards merged to one whole ".pdf"-file. Therefore I'm using itextsharp. My codes works basically, but far from perfect. The...
  20. T

    Question Format usb Drive

    I want to format a usb drive. I know its not a good idea to format in code and all that. But i need to minimize the risk of a virus. When a usb is inserted it picks it up and formats. I have tried with this code, but it keeps telling me drive not found. And i know the drive exists. Dim...
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