20,277 Topics
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| | 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 … |
| | It's running but it deosn't read any data from the access(blank grid view), what's wrong please help me Private Sub rrrrr(sender As Object, e As EventArgs) Handles r1.Click, MyBase.Click, Button9.Click, Button8.Click, Button7.Click, Button6.Click, Button5.Click, Button4.Click, Button35.Click, Button34.Click, Button33.Click, Button32.Click, Button31.Click, Button30.Click, Button3.Click, Button29.Click, Button28.Click, Button27.Click, Button26.Click, Button25.Click, Button24.Click, Button23.Click, Button22.Click, … |
| | hi everyone can you give an example of coding in vb.net vs2010 how to make a report in crystal report 2013 with sub report thanks for advanced  |
| | Hi ! I'm using Visual Studio 2017 to do a windows form app, and I have an issue with labels and images. I'm trying to create a label that contains an arrow image (left arrow), but when the label is clicked on the arrow image has to change for the … |
| | Hello All, I want to get the values of checkboxes and pass them to another page in vb.net. Below I attached a file with that checkbox list. Kindly let me know how to loop through it. TThank in advance!  |
 | I have a Datagridview with two columns. First one is Marks of the student and second one is grade. When I enter marks in Datagridview I want the grade column to automatically fill the respective grading system value. Greater than 80 - A Greater than 60 - B Less than … |
| | Discussion on Cybercafe Managment System - Project. I am in student in IT Eng. and i am woking on project for developing a Cybercafe Managment System. So, i am taking a reference of "handycafe" software. But i need more details on this concept. About which features i can add,what type … |
| | Hi, I'm searching for a way that let run a event without need, that specific form to be open, and also save thing. I explain better, the performclick will only fire if that specific form it's open, I'm searching a way to do this on background. This is the code … |
| | Hi, I try to show up a notification when an if statement is true, but it doesn't show up also I checked the win 11 notification is something was on, but all things is off. In case I can only create a custom one. S.O = Win 11 Version of … |
| | I am using visual studio / basic 2019. using the windows media to play sounds (WMPLib.WindowsMediaPlayer). It works great, I can play multiple sounds etc. However what I realy want to do is play some sounds on sound card A. And other sounds in sound card B. I am thinking … |
| | Hi, I like to ask for a clarification about it. I have combobox.items(i) that go trough a for next loop for each index I need to check if its content (number) will be >=1 or <=10. Now I tried this one, but I know where the error might be, the … |
| | Hi, like title, I have a timer, that when reach 0 will fire event on another form, then timer restart but when reach 0 nothing happen. how can I achieve this? Private Sub Timer1_Tick(sender As Object, e As EventArgs) Handles Timer1.Tick Dim value = CInt(Label10.Text) If value >= 1 And … |
| | Hi, how can I make sure that all the datetime stored previously by user input will be updated in a cycle for? I explain better the structure Combobox2 <----- is where list of datatime are previously stored Combobox3 <------- is where remaining time is given by a substraction of two … |
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