20,278 Topics
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| | Dear All, How to Save Finger Print (Template/Minutiae) into database, using SecuGen Hamster Pro 20 finger print reader, i have also downloaded SDK, in there sample code there is no any function to save Finger Print (Template/Minutiae) into database using vb.net. Please guide me. the sample code is here Imports … |
| | Hi, Is there at all a way to sort (numerically) a multidimensional array? I have an array that is as follows `dim points(23,1) as String` The first dimension of the array has the players names in, the second dimension of it has their cumulative points, so I want to sort … |
| | How to play the play list in vlc player by using vb.net code  |
 | There are times when you need to make sure your counter starts at an odd or even number. Even is pretty simple - `counter = counter + modulus(counter)`. If counter is even it stays, if it's odd it gets incremented by 1. Odd is a bit more complicated - `counter … |
 | Hi, I have used Windows 'Your Phone' app to connect my phone to my PC. I have written some code in VB .Net so that when a contact's phone number is displayed on the PC screen it also appears in a mini web browser as a hyperlink so when it … |
| | So I got a problem with the settings Tab in VB.Net. The settings are not displaying properly. There is a gap in the middle of the display.  The second problem I have is this: VB creates a settings file in the App Data folder: InClass.exe_Url_eoaehkudo2dalqpbmdabua2u0ulhsacj However, If I try … |
 | A long standing complaint with the standard progress bar control is that there is no easy way to display text. In spite of numerous requests, Microsoft has not included this capability. The following code includes a class, `CustomProgress` which inherits the standard `ProgressBar` and adds such a feature. It is … |
| | I use vb.net 2019 with MySQL database I have a table named "Weeks", with 52 columns: WK1,WK2,WK3,WK4,WK5,and so on..... I want to create datagridview with two headers months and weeks: Who can help me with this issue?  |
| | PLease help me. I'm doing a login form with ms access but this line of code having problem "Dim dr As OleDbDataReader = cmd.ExecuteReader" Below is the source code Imports System.Data.OleDb Public Class Form1 Dim con As New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\Users\leong\documents\visual studio 2010\Projects\WindowsApplication4\WindowsApplication4\coursework.mdb") Dim cmd As OleDbCommand Private Sub Button1_Click(ByVal sender … |
| | As part of a project to manage my collection of photos, I wanted to add the capability of displaying a series of files as thumbnails. This posed me with three problems: 1. how to preserve the aspect ratio of the original images 1. how to generate the thumbnails without tying … |
| | can someone help me take a look i face (oledbexception was unhandled (too many fields defined)) below is my code . Private Sub btnBrowse_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnBrowse.Click Properties='Excel 12.0;HDR=NO;'" Dim Chosen_File As String = "" If openFileDialog1.ShowDialog() = DialogResult.OK Then Chosen_File = openFileDialog1.FileName End …  |
| | Imports System.Data.OleDb Public Class Form1 Dim pro As String Dim connstring As String Dim myconnection As OleDbConnection = New OleDbConnection Dim command As String Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click pro = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\Users\sinthu\Documents\Database1.accdb" connstring = pro myconnection.ConnectionString = connstring myconnection.Open() If myconnection.State = … |
| | Hi all I have a datagridview with 2 columns. fist column is Datagridview combobox the second is a datagridtextbox. I'm trying to fill the second column based on the combobox selection . The Method that captures the selected item does not track which row is being edited. I have tried … |
| | Hi, I have form1, and second form2 When I call second form2, form1 is disabled for any interaction. customer.Show() Me.Enabled = False Close button on form2 code is Private Sub Closebutton_Click(sender As Object, e As EventArgs) Handles Closebutton.Click Me.Close() Form1.BringToFront() Form1.Enabled = True End Sub As you can see, I … |
| | I have 2 form there are form 1 and form 2 my program current situation is when user click delete it will pop up a login form. When user click cancel button from login form the data on the database will be delete  when user click cancel it will … |
 | Dear All, Good Morning! I am facing this issue i tried a lot but not able to find the issue with this function when i call this function i get error Argument not specified for parameter 'LVL' of 'Public Function UL(LVL As String) As String' The code is listed below, … |
| | I have a problem where my text boxes are not being populated with existing data. I have two submit buttons, but the problem appears to happen when I call; return View("Index", siteInfo);. Here is my code; // GET: NewEntry public ActionResult Index() { return View(); } /// <summary> /// Generate … |
| | Does anybody know a good way to break a screen up into multiple sections for filling out lengthy multi section data? I would like something that I can break data inputs up into sections and move onto the next section when I finish filliing out a section prior, sequentially. What …  |
 | Hi! It's been a while since I last posted here. I've just gotten started with Windows Service, and have created a sort of 24/7 service to update a database. But because it's my very first project (besides the tutorial one) I feel that I could use some assistance in checking …  |
| | I'm new to vb.net I wan to to make a retrieval of image into picturebox. This is my code: *All declaration has been initialize* Cmd= New sqlcommand ("select * from tblretrieveimages", con) dt= New DataTable sda = New sqlDataAdaptar(cmd) sda.fill(dt) Texbox1id = dt.rows(0)(0).tostring Texbox1name = dt.rows(0)(1).tostring Texbox1des = dt.rows(0)(2).tostring Dim … |
| | hai, my project title is student's feedback generation vb.net is front end and excel as back end. i have one text box and combobox. to get row value from excel sheet and display into combobox when the text box value matches the cell value |
| | Hi, Good Evening to everyone! I am preparing one application facing some challenges, the scenrio is to send email when a user enter a complaint in the system to the assigned user the assigned user have email address already in the system the email notification should go to assigned user … |
| | I want to build a client applications for desktop with NET Framework and MySQL database. i can create new project with windows form control library or windows forms app. What is the difference between this to options? Which of the two do you recommend using and why? thank you in … |
| | So, I am a post grad student in the software development field, and I am not working at the moment, but I have some questions on Business Rules, User Stories, etc. So I was wondering if perhaps we could open up a discussion here on some of the common business … |
| | Hi, I'm new to vb When i try to retrieve edit time i get error using ( Data Grid View Cell Click) i do not have problem when i retrieve date. |
| | Hello, everyone! I hope someone can help me to solve this. Can anyone give me example of making polygon with linked-list without using the built-in linked-list. The programming language is Visual Basic. |
| | Help i need to have 3 login attempts then the program will lock down but the message box shows up 3 times consecutively, it will close then pops out it will do this for 3 times then it closes ... help pleassseee :( Private Sub btnLogin_Click(ByVal sender As System.Object, ByVal …  |
| | Hello everybody I'm creating a Windows Desktop App using vb.net, I'm not very knowledgeble and I can say that I'm still a beginner. So I have this project where I'm trying to create a report form using ReportViewer where as after putting the ReportViewer control to my form and select … |
| | Hello i am new with this programming vb.net. i have simple problem loading the data. i have 1 datagridview and contains also a comboboxcolumn in that datagridview my problem is how do i populate the data in my first table and the second table would be populate in my combobox … |
| | I don't know whether this questions fits here or not, but if it doesn't let me know. I'm very much beginner in programming, and I've started it in vb.net for a project I've to do for my college work. To add the data of a user from a form, when … |
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