20,285 Topics
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| | Helo, I am a student. I have create a vb.net application with ms access. i am make it .exe. After that i am instal it my pc working but my friends pc not work. After i am cheking my friends system all. .net framework is intallaled 3.5 thats same as … |
 | I was doing a little playing around with some scrollbar controls and I noticed an odd behaviour that I was hoping someone could explain. I create three horizontal scrollbar controls, one for each primary colour. Possible values for each R, G or B are 0 to 255. When I set … |
 | I want to stick this [CODE] Dim cmd As OleDbCommand = New OleDbCommand("SELECT * FROM 0 WHERE Id = 1", con) Dim reader As OleDbDataReader = cmd.ExecuteReader() If Not reader.HasRows Then MsgBox("Data does not exist") Else MsgBox("Data Exists") End If [/CODE] and this [CODE] If Inc <> -1 Then Dim …  |
| | I'm currently working with the NotifyIcon, and ContextMenus in the notify icon, and was wondering if it is possible to call an event when something is dropped onto the icon. For instance, if I had document.docx, and I dragged it from explorer onto the icon, it would then save it …  |
| | I have a label that displays information from my database and I need to format it. It displays a number format like so: (53389) and I just need it to display (53,389) it uses the SQL to COUNT or SUM the data from the datasource. My first question is, is … |
| | I am reading in a text file and displaying the data read in in textboxes. Some of the characters are accented French characters which are not displaying correctly in the form. This prob does not exist with VB6 on the same machine. What do I need to set/change in vb.net … |
| | I failed to ask my entire question on part 1. Although codeorder gave me the answer I needed I have one more part which I will put in bold. I have 3 forms: Form1, Form2 and Form99. Form1 and Form2 both call Form99. What statement(s) does Form99 use to determine … |
| | Hello guys! I want a simple app to crop a bit of some images. The fact is that all the codes I've found were too complicated, and I didn't understood a single letter of it. Can somebody help me with it? The codes I saw where using and start point … |
| | Im trying to download a photo from an rs232 camera.. but when I write the data to file it seems corrupted.. when I look in a hex editor every second value is 00.. I'm assuming Im messing something up with the encoding.. when I'm writing into a byte array.. Excuse … |
| | hi i am new to vb.net i need to know how to display a database data on listbox |
| | [CODE]Dim Open As New OpenFileDialog() Dim myStreamReader As System.IO.StreamReader Open.Filter = "All Files [*.*]|*.*" Open.CheckFileExists = True Open.Title = "Open" Open.ShowDialog(Me) Try Open.OpenFile() myStreamReader = System.IO.File.OpenText(Open.FileName) Me.PictureBox1 = myStreamReader.ReadToEnd[/CODE] |
| | How to code "post your query" functionality in vb.net for a college forum?? |
| | I would like to create a textbox (search engine) that can search for items in a database that contains text as that keyed in the textbox. I am already aware of this code: bindingsource.filter = "table Like '" & textbox & "%'" EX: what I want is that when I … |
| | [CODE]'Informs you forgot email. If TextBox1.Text = "" Then MsgBox("Forgot E-Mail") If TextBox1.Text = "" Then Me.(PLEASE TELL ME WHAT TO PUT![/CODE] |
 | I've seen a lot of posts over time relating to importing and exporting CSV. Most of the answers involve using TextReader.readline and String.split, [B]which will not work[/B] with any but the simplest data. When you are writing for users who have the expectation that your application will work with anything … |
 | So I am creating an application that allows users to send basic keystrokes to end certain processes. But I am running into some issues. I know the code I have will work the problem is I do not know where to put the following code to execute the commands: [code] … |
| | I have 3 forms: Form1, Form2 and Form99. Form1 and Form2 both call Form99. What statement(s) does Form99 use to determine which form called it (Form1 or Form2). Form1 Form99.Show Form2 Form99.Show Form99 Which form called me? Thank You. |
 | how we create a function/method in vb.net?? if i want to make a method of auto_generate_id, then how will i start? i have written this code please help me..... [CODE] void auto_generate_id() Dim j As Integer = 0 Dim cmd As New SqlCommand("select staffid from staff order by staffid", c.con) … |
 | Ok this question is more like 'what is the term used for such as event?'. What I am trying to do with open a application config form in login window which is activated by combonation of keys pressed. for example alt+c or ctrl+alt+x. I tried using every term i can … |
| | I want it to be advanced like say if you pressed remember me on login then the next login it will log you in automatically. |
| | What I want, is for my text file to be read into the array named "CFiles()". Then once this is complete to delete the file But I get the error, The process cannot access the file 'C:\Users\Andrew\Desktop\New.txt' because it is being used by another process. On 3rd to last line. … |
| | load another form and i want a progress bar to work with it. |
| | I have a program I want to make. The main thing I need help with. I'm no programmer so I'm asking here. What I want is a program that does the following, 1) Open a save (needs to open any type of save) 2) Then, 'hex edit' by finding all …  |
| | I would like to develop a VB.Net based smart device app. A simple one. Do any of u know where i can refer to samples of such apps?  |
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| | Hi I need some help I have a variable stored in db which is created when a new person is added it takes the day of todaysDate on the day they register and stores only the day I would like to use this date as the same day of every …  |
 | Can you kindly tell me why I am getting a runtime exception when trying to run this code? [CODE] Sub BtnNowClick(sender As Object, e As EventArgs) Dim myProcess As New Process Dim processFile As String = dlgFolder.SelectedPath Dim pyLocationDel As String = Path.Combine(dlgFolder.SelectedPath, "pdfmerge.py") Directory.SetCurrentDirectory(dlgFolder.SelectedPath) myProcess.Start(pyLocationDel) myProcess.WaitForExit() System.IO.File.Delete(pyLocationDel) End Sub[/CODE] … |
 | can anyone help me add a title to a graph? the code i run to create the graph is [CODE][B]Dim strConn As String = connectionstring Dim conn As New SqlConnection(strConn) Dim sqlProducts As String = "SELECT * from VW_OEEBrakeDowns_ByYear where Year ='" & Me.lbyear.Text & "' and LineNumber =" & … |
| | Is it possible to store a document in a database and then be able to load it into VB and populate specific areas with data from textBoxes? like address or name details I suppose a bit like a mail merge ? |
| | Hi, I just completed a beginner's course to programming, in the Python language. I am now enrolled in a VB programming course, and I am more of a hands on type person, so I'd like to get a head start on things before the start of my class. I am … |
| | This wont send the email [CODE]Dim Mail As New MailMessage() Dim SmtpServer As New SmtpClient SmtpServer.Credentials = New Net.NetworkCredential("already added email and pass", "notshowing") SmtpServer.Port = 587 SmtpServer.Host = "smtp.gmail.com" SmtpServer.EnableSsl = True SmtpServer.EnableSsl = True Mail.To.Add(TextBox1.Text) Mail.From = New MailAddress("tykohlerproductions@gmail.c… Mail.Subject = "Frenemy Username and Password." Mail.Body = "Heres … |
| | Hey Folks, Just starting out with vb.net and am struggling with an equation I have a fixed percentage 0.3% I need to multiply this by a number of months which varies 1 to 12 Having done this I need to add the percentage to a pre-determined number so as an … |
| | hi, i got a message board kit that connects to the computer (i talked about it here: [url]http://www.daniweb.com/software-development/vbnet/threads/379541[/url]) and now (i hope) its working. I want to make a code that when i press on a button its will send the correct hour & date and then its will update … |
| | hi, i bought a Programmable Message Board kit, this kit connects to the computer and i can send from the computer massages to the kit LCD screen. I got an sample file, that comes with that kit. My problem is that this sample file are an old Visual Basic 6 … |
| | I am not really sure where my syntax error is. I have gone over it several times and it appears everything is right and I dont think I am using any reserved words. Any help would be greatly appreciated. Every box is TEXT in access for now even fields that … |
| | Can anyone help on how to show a message box showing that existing record has been entered in database if i tried to enter the new record. However, if the input is new record (record added), the record is saved into the database. I'm using visual basic 2008 and Microsoft …  |
| | Can someone please show me how to show my paypal balance in a textbox |
| | [CODE] Dim sw As StreamWriter Try sw = File.AppendText(CurDir() & "\deskimages.txt") sw.Write(TextBox1.Text & " " & TextBox2.Text) sw.Flush() Catch exc As Exception MsgBox(exc.Message) Finally If Not sw Is Nothing Then sw.Close() End If End Try Dim tw As IO.TextWriter tw = System.IO.File.CreateText(CurDir() & "\profiles2\" & TextBox1.Text & " " & … |
| | I am just a newbie with VB.net, though i have experience in c# .net environment. Now I was just wondering how to start a vb.net project in VS.2005? its the version installed here in my assigned PC. *sorry for my bad english please help. :( Thanks |
| | Dear friends...I want to design an application that can open file of certain extensions For ex.There is a software called ARJ32 which can open file with extensions .a00 ,.a01...................,.a19. also there is application called apk emulator which can open .apk files So eve i want to design an application that … |
| | I was wondering how can i make a working login form What have i to put for user nae and password Thanks in advanced Mark |
| | Im using Microsoft Visual Studio 2010 Microsoft Acess 2010 This is for practice Lets See First off i was able to get to insert records(Code Below) Now im trying to get the program to prompt a message when the id or field exists on the key down event and not … |
| | I wanted to simply on click a button to add those newly created textboxes to an array of textboxes. Starting with those labeled "Address". But I am finding this very difficult. I am able to add those originally on the form into the array very easily. But am unable to … |
| | [CODE] Sub auto() c.con.Open() Dim j As Integer = 0 Dim cmd As New SqlCommand("select staffid from staff order by staffid", c.con) Dim dr As SqlDataReader() dr = cmd.ExecuteReader() While (dr.read()) txtstaff_id.Text = dr("staffid").ToString() End While j = Convert.ToInt32("txtstaff_id.text").ToString() j = j + 1 txtstaff_id.Text = j.ToString() dr.close() c.con.Close() End … |
| | hi guys just want to ask a simple question about listview im making a POS program.. when i click Enter button the items on textbox and comboboxes should be placed inside my listview here is my screenshot [URL="http://i43.photobucket.com/albums/e355/bettybarnes/pos.jpg"]http://i43.photobucket.com/albums/e355/bettybarnes/pos.jpg[/URL] my problem is i dont know how to put the correct codes … |
| | I have an XML file that is displayed on a DataGridView driven by a dataset. I am having trouble setting up a filter where a user can enter information in a textBox then have the DataGridView filter to find results. The XML File is displayed on the DataGridView using this … |
| | I have began building a piece of software that needs to collect a series of information from the user. This information will all be based on what has already been entered. I would like to create a window that has a "NEXT" button in it. As they enter information, they … |
| | Hi I have several panels in my app is there a simple way to switch between the panels without dragging them off the screen so I can see the ones bellow if I need to edit the first panel I have to move 8 panels to see it :-( thanks … |
| | Hi I am using the following to get the system sound question but it doesn't populate ? [CODE] Public Class SystemSoundItem Dim sound As SystemSound, soundName As String End Class Public Property SoundToPlay As SystemSound Set(ByVal value As SystemSound) End Set Get SoundToPlay = SystemSounds.Question End Get End Property[/CODE] |
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