20,285 Topics
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| | hi, I have a Visual Basic program run the memory game. it basically will let the user click on 2 cards, and then they flip, if they're the same, they disappear, if not, they turn back. So my program will look like there are 3 pair of images under the …  |
 | Work with visual basic 2019 and Mysql database Save and edit record with a imge in picturebox is ok but when i scroll the datagrid i get a datagrid error so i can not show the picture when i scroll picturebox1.image blocking my program |
| | Please can I use my normal computer camera to scan and decode a Qr code? |
| | Hello, I have a typical login page in vb.net (Asp.net). It checks a sql table for a user/pw. If admin1 user they get directed to admin page. if not, they go to basic users page. I put this below code in my web.config page in the testlogin folder. (which I … |
| | I want to filter the datagridview on Search button click,i am using 3-tier architecture,the grid should be updated with the search result |
 | how can i configure ip address, submask, getway, DNS1 and also DNS2 please help me i use this code but DNS not added what is the actual code for add all with DNS1 &2 Please help me Protected Sub Button1_Click(ByVal sender As Object, ByVal e As EventArgs) Handles Button1.Click Button2_Click(sender, …  |
| | Hi, did anyone know how to send email using vb.net without username and password of user, for example it can detect current user crediantials of email(outlook). Most of the google example is using username and password. Please help  |
| | Good day every body. I want to develop a database program that will be used in school to input information about students and all the staff of the school. I want the program to be able to retrieve any required information and also display the total number of students in …  |
| | I have a question about encryption. So I have a code sample that has a key size being chosen, something like 32 bits or something, and I am basically either filling the key size buffer with the password and then zeroes, or null bytes, or a word repeated over and …  |
| | ciao a tutti, qualcuno mi può dare una mano...vorrei fare un form con un pulsante che al click inserisce i dati in un db access, avrei bisogno del codice per la connessione al db, e lo statement per il pulsante grazie  |
| | My code is this. Dim strSQL As String, strSQL2 As String Dim db As Connection, rst As ADODB.Recordset Set db = New Connection db.CursorLocation = adUseClient db.Open "PROVIDER=Microsoft.Jet.OLEDB.4.0;Data Source=C:\River Syde RMS\RiverSyde.mdb;" strSQL = "SHAPE {SELECT * FROM Sales where Date1=#" & DTPicker3.Value & "#" Set rst = New ADODB.Recordset If … |
| | I have an application that opens up Excel, reads some information, then closes Excel. I developed this application using Microsoft Office XP 2007. A few weeks ago, my company upgraded to Microsoft Office 2010. The applications still works fine, but I can not compile in VS 2008 anymore. I get … |
| | Is there anyone to answer to? I wanted to get the property value of my user control by a dialog box. Friends, I need help. Thank you all See also the attached file.   |
| | Hey guys I managed to get some code what works fine but it uses console application I have tried to convert it by hand and change things around to get it to work but with no avail! I'm certain it should be simple but I may be wrong :( Thanks …  |
| | Hello everyone, I wrote data arrays at the end of the exe with delimiter. After I compiled, the app it didn't work on Chinese Windows, only on English, I want to configure the app to work on Chinese windows as well, I know it will work if I change the … |
 | Yes I finally decided to continue on with my programming efforts. I would like to be able to refer to myself as a master programmer, but I may not have that much time, after all I am almost 80 years old. Right now I'm delving into C++ and finding it … |
| | I need help on how to calculate the total work hours in a 12 hour format. I have a database that has the columns for the time in and time out as well as the total hours. Try If txtSCANRFID.Text = "" Then Else reloadtxt("SELECT * FROM students WHERE RFIDNumber= …  |
 | Hi everyone I have a problem when I run the vb.net program on VS2010 the following error appears: Error while trying to run project: Unable to start program 'G:\TREEVIEW_uc_cr\bin\debug\Treeview_UC.exe' Please help in solving this problem. Thank for advance |
| | So I'm new to programming and currently, I'm creating a school project with Visual Basic and .NET, I know that I might either have a problem with formatting or converting or assigning a value(which I don't know how to do) but whatever I try the multiplied result always gives me … |
| | Hey can someone please tell me how to assign keys to buttons, I tried with a code but it only works once or it only works when I have to press the button on the screen and then use the key but it only works once Can someone please help … |
| | Unable to execute the VB.Net code even can't view in Print Preview after clicked. Anyone there to help me. I'm new to VB.Net. Imports System.Drawing.Imaging 'Imports IDAutomation.Windows.Forms.LinearBarCode Imports System.Drawing.Printing Imports System.Configuration 'Imports GenCode128 Imports System.Data.SqlClient Public Class Form1 Dim table2 As New DataTable Dim dte = Date.Now() Dim PrintDoc As … |
| | Hello I create project based on c# , and i make roles like admin and users , so that i want to give special premission to users to perfom tasks . if anyone know how i can make or write this code , please help me . and in advance … |
| | I am using the code below to populate the DataGridView. I need help in that the Barcode Image is not being generated according to the txtLab.text amd the alphamumeric value. Please see attached image. Thanks Private Sub btnAdd_Click(sender As System.Object, e As System.EventArgs) Handles btnAdd.Click Dim alphaNumeric As String = … |
| | Does anybody know a good way to parse JSON strings in vb.net .net6? Newtonsoft is obsolete for .net6. Thx |
| | I want to pick whats best starting out that will help me move to better language in the future. Preferably something to benefit me in employment/University. Im not the quickest of learners. Thank you |
 | Hi, I had a longer break, but now I want to continue working on my little project to make my work easier. I have an Excel file which I converted to CSV because there is no Excel on the target system. I would like to search for a number or … |
| | I want to insert the deleted data into another table (Like table history) in sql server database using visual basic 2008 by scanning QR Code data. What I have done in my source code program is like this; Private Sub btnDel_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnDel.Click … |
| | how to use splitter to resize container (splitter is inside of it and docked to left,container is toolstripcontainer) in vb.net |
| | How can I check special characters are there (String) or Display on label? I Use this but it is only count Dim input As String = "Hi! Hello, How are you?" Dim pattern As String = "[!""#$%&'()*+,\-./:;<=>?@[\\\]^_`{|}~\s]" Dim matches As MatchCollection = Regex.Matches(input, pattern) MessageBox.Show(String.Format("There are {0} special characters in … |
| | I am making a calculator in Virtual Basic for almost a week. I am encountering a problem when using the equals sign. When I type problems like 4 + 6 = 10 it answers correctly. When I press the equal again immediately after the calculator answers 10. It should enter … |
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