Visual Basic

Page 1609




  • Topics
    Replies
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  • Run applications and open files with Visual Basic
    by frxstrem
    14 Replies
    Last post by LoD94
      • How do I run files/application with standard editor/viewer
  • Record Not Found
    by tattoo
    2 Replies
    Last post by tattoo
      • I have a ComboBox that is Bound to my Datasource. If I type in an Invoice number the details are then displayed on the other fields of my form. What I would like to know is, If I type in a number for which there are no details, how can I capture this. Apart from no information showing up. If there are no details in the table, I want to be able to go to another part of the
  • idle time/inactivity
    by Tim Richardson
    3 Replies
    Last post by Tim Richardson
      • I am looking to have my application close itself, if it has been inactive for 10 minutes. Any suggestions Thanks! Tim
  • Help!!! Sharing a VB.NET Windows Application
    by Arunkumar.B
    3 Replies
    Last post by Riquel Dong ¨C MSFT
      • Hai all, I am developing VB.NET 2005 windows application. I want that the application should be accessible across the local network (Not a Domain). I installed the application on one system and share the application folder with necessary permissions. If i run the application from the other system it shows an exceptions. See the end of this message for details on invoking just-in-time
  • Having a problem deleting a row in a DataGridView
    by Rich G
    5 Replies
    Last post by Rich G
      • I have a DataGridView that I am using as a universial grid for several tables. In it's implementation in the form load event I use the following code: If Not myTableName = "" Then Me .Text = Me .myTableName & " Editor" Dim strSQL As String = "SELECT * FROM " & myTableName & ";" myDataAdapter = GetDataAdapt
  • SendKeys() not working
    by ChrisBettencourt
    9 Replies
    Last post by ChrisBettencourt
      • Can anyone tell me why the SendKeys() function would not be working for me I have a sneaking suspicion that one possibility could be that the process has not fully opened before my.computer.keyboard is performing sendkeys(). I'm getting fairly desperate here, partly because I don't know what I'm doing. I'd appreciate any help!
  • Mixing languages
    by Werner Kraemer
    2 Replies
    Last post by ScubaSteve20001
      • Recently I have received some C-code from my friends at U of Zuerich that I would like to leave alone since it would be lots of work to translate to VB 2005. Is there a way to include these analytical C subroutines in my VB project or would I have to build a separate ¡®dll¡¯ project Obviously I am not a programmer, just coding in VB 2005 to develop graphical depictions of p
  • Function in VB
    by gmannu
    2 Replies
    Last post by Jared Parsons MSFT
      • can a function return more than one value in VB also. like form load() x=sample() end sub public function sample()as integer dim i as integer dim str as string i=1 str="VB" return i 'how to return i and str both end function
  • How to get function moveto in bindingsource
    by yhong
    3 Replies
    Last post by rkimble
      • I am using bindingsource to operate my datatable. Actually, in bindingsource, there exist function movefirst, movelast... but no move to function exists, how can I do that
  • Variable declaration and inizialization
    by Uince
    2 Replies
    Last post by kleinma
      • Hi all!! I'm a VB.net newbie!! Please can someone tell me why this code doesn't work I get this error :"Object reference not set to an instance of an object." on this line: CallList(i) = DivaComuni.CreateCall() Please give me an explanation! Please note that I want Comuni and CallList as global variables in the class, and than I want to initialize every element of
  • Passing info across threads
    by Hooper
    14 Replies
    Last post by Hooper
      • Hi, I have posted similar questions on and off for the past couple of months in regards to the threads in my app. I have a user interface, MainForm. I am reading data via the serial port and need to display some things to the MainForm, to a textbox, a statusstrip, and updating a progress bar, the serial info runs for a few minutes. When I do write to some controls on the MainForm nothing hap
  • Converting String to ListviewSubitem
    by shankarnaren
    3 Replies
    Last post by nobugz
      • Hi Friends, In my project [using VB.NET] iam using an Statement.... L istView1.Items(ListView1.Items.Count - 1).SubItems.Insert ( 2 , ListviewItem.ListviewSubitem ) Above mentioned in Bold Green letters, 2 represents index as integer, then listviewSubitem. to be used, my doubt is how to Create / Instantiate / Conver t (from string) ListviewSubitem .
  • problem with WMICodeCreator and PCMCIA
    by greg_cedepe
    0 Replies
    Last post by greg_cedepe
      • I used the software WMIcodeCreator to generate the code for shutting down/up the PCMCIA power supply. I think this is possible with the method "SetPowerState". But the problem is that the program never success the "try" and always display an error message (catch) that is "An error occurred while trying to execute the WMI method: Types non correspondants". In debugger
  • How to pause the code in VB6?
    by JustStudent
    6 Replies
    Last post by Sanguin Developers
      • Hello. I need to pause program while femm is runing (about 2 seconds). Do Until Counter = n Call femm Counter = Counter + 1 <How to 'pause' the Loop > Loop Please help me!!!
  • have to click on tabcontrol second time for toolstrip to appear in TabPage
    by hazz
    4 Replies
    Last post by hazz
      • In order for a toolstrip to appear within a tabpage I have to click on any other tab after clicking first on the one containing the toolstrip..; and then when I click on the tab for the second time the toolstrip appears. There does not appear to be any code within the other selectedindexchanged case statements which should affect this. I am baffled as to why the toolstrip doesn't show up the first
  • Write protection error when saving images on a Forms project
    by joe.hamilton
    1 Replies
    Last post by John Cunningham - MSFT
      • Here's the scenario, I edit a graphic in Photoshop, this graphic is in a picturebox on one of my forms. I try to save it and I get an error that it is already in use by another application. I have to close VS and then save and THEN reopen VS to get the graphic to save. Please help.
  • How to fill textboxes with "0.0" s
    by Cesar Francisco
    7 Replies
    Last post by Spidermans_DarkSide - MSP, VSI
      • There are 45 textboxes to fill. Code Snippet Private Sub HECalculator_Load( ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase .Load TextBox1.Text = "0.0" TextBox2.Text = "0.0" TextBox3.Text = "0.0" TextBox4.Text = "0.0" TextBox5.Text = "0.0" TextBox6.Text = "0.0&
  • Midi IO
    by rgturner
    10 Replies
    Last post by AUDIO_GEEK
      • I am trying to write an application to monitor a midi port to return information when a midi keyboard is played. Is that possible using Visual Basic 2005 If so, how is this done
  • How to create many labels (same event)?
    by Penicillin
    14 Replies
    Last post by ahmedilyas
      • Hello I want to create 20 labels (but event is same). In VB6, I set "index" for everyone, and so the event becomes same. What should I do in VB2005 I don't want to create from Label1 to Label20, and set the same event for everyone; it's too long code, classic and primitive. I hope you understood what I said. Thanks
  • Enabling user control mouse events
    by poiuytrewq
    9 Replies
    Last post by nogChoco
      • I have created a user control and placed it onto a form and it all generally works OK. I have put code into the form to react to Mouse up, down and move events for the user control but the form code is never entered when I click on the user control. I am guessing that I need to put code into the user control to generate these events. If so can anyone suggest what is required
  • Working with datasets. If IN ?
    by John Oliver &amp;#40;UK&am
    0 Replies
    Last post by John Oliver &amp;#40;UK&am
      • Hi, I'm wanting to put a random amount of data into an array, or an arrayList or a dataSet. Then say> Dim myItem As Object 'It might be a string or a number or whatever. In this case Integer or String probably. ' then say>> If myItem In(arrayName) Then ' Do some code. EndIf I realise i could use a FOR EACH loop but is that the only way I'm thinking of using
  • WMP Playlist viewing & playing
    by Zooz
    12 Replies
    Last post by nogChoco
      • Hello, I have an mp3 player that could play mp3s and playlists(premade from windows media player(it only conatins mp3s)). When i launch a playlist i need to keep pressing (next) button to get to the song i want. So, when i launch a playlist(*.wpl) i want it to be shown in a listbox or a treenode... whatever, but in a way that i could play and view the songs i have already put in it.
  • SelectedIndexChanged
    by xswzaq
    11 Replies
    Last post by Angel_LL
      • I really really need help. I am working on the project that have 3 list box. I want to perform search so that users easily access data they want. In my listbox1, users will choose his/her choice, then the listbox2 (blank before user enter choice in listbox1) will automaticly pop up a list. For example, if I selected QA in listbox1, only catagories (item in QA) should show in listbox 2 (not all), a
  • Creating .DLL Modules
    by mcmathys04
    3 Replies
    Last post by spotty
      • I am writing an application and I would like to have each section (client information, point of sales, etc.) of it as a seperate DLL file so I can customize sales to clients. How would I go about importing DLL files into an application
  • 30 different random numbers
    by Anonymousss12345
    8 Replies
    Last post by SJWhiteley
      • I want to make 30 different random numbers from 1-30. How do i do it