Visual Basic .NET Forum

I have created a simple log on screen that checks the local database if the username and password exist and to add them to the database if it doesn't exist. On the Login window I have a Label that I would like to equal the user who has logged on. Here is my code..... Public Class loginWindow

Can any1 help and tell me what are the equivalent Header files of Linux in VC++? #include<sys/types.h> #include<sys/ipc.h> #include<sys/shm.h> #include <unistd.h>

hi there! have a stupid question but I can't finde the solution on the internet... I’ve made a simple console app that gives a message box with the user input. The problem is if I click the console wile the pop up is still showing and type whatever I want, the console don't ignore the input. If I click ok after, I see al the things that I...

Hi, I'm currently creating an application which involves selling of products, equipment and service repair, also rentals of equipment. What is the best database design in this application? currently I have tables for Customer, Invoice, InvoiceDetail, ProductList, EquipmentList, WorkOrder. Do I need to have separate invoice table for rentals which...

A= 1000 B= 1500 C= 1200 A and C have 50,000 allowance Tax the first 10,000 has 0% the second 10,000 has 10%

Hi, for now im able to save the image into a specific folder using AsyncFileUpload. However, i've no idea how to save the image filepath into db and display at another aspx of my project which retrieve using image filepath. Am i in the right track? thanks for your time

Me.Capture = False Dim msg As Message = Message.Create(Me.Handle, &HA2, New IntPtr(2), IntPtr.Zero) Me.DefWndProc(msg) this is the code of moving form in mousemove event.,but how it is work?

I am developing a program that will run a third party program, automate this program's actions, then close the program. The problem is, once this third party program is complete, it just sits there. There is no way to pick up whether or not the action is complete. I have thought about having my program wait a set amount of time for the 3rd party...

Here is my code: Option Explicit On Option Strict Off Imports System.IO Imports System.Text Public Class Form1 Public moApp As Object

can we create Pivot chart like excel in c#.net windows application and how?

I am currently making a battleship game and I want to know how to disable one button out of the array at a time and when it is a miss it turns grey and if it is a hit it turns red. This is the code I have so far..... Imports System Imports System.Drawing Imports System.Drawing.Graphics Public Class Form1 Private btnArray(6, 6) As Button...

hi everyone, i am writing a program for my research project and i need to count the number of black & white pixels in an image inside a picturebox. I am basically a beginner in visual basic. I already have a picture viewer. Please help me devise a visual basic code to count the number of black & white pixels inside the picturebox

Hi, I am trying to check if an image file exists. If it does exist then use it, otherwise, use a default image. I am trying to pass integrated windows login credentials to get a response but I always return false. It seems to not like the credentials. Does anyone have input here? Thanks in advance! Here is my code: PS - All this code is done...

My issue is when I read from an existing executable and convert it to string and back to executable windows says it is not a recognized 32 bit or 64 bit application? The code below is real code I have rewritten many times but to no avail. If I leave out the part where I convert the bytes to string and just copy the binary and create a new exe with...

Nice and easy solution is using the following concept : Private Sub frmMain_FormClosing(sender As Object, e As System.Windows.Forms.FormClosingEventArgs) Handles Me.FormClosing 'check the close reason why form is closing If e.CloseReason <> CloseReason.WindowsShutDown Then ' if windows is NOT shutting down then 'code what to do if user...

I have a simple ASP.Net page that contains a text box and a label, this web page is to be used on a 2D scanner with Windows Mobile 6.1 OS. The idea is to scan a 2D label and display that info on the Label field. The barcode contains information that is separated by a Hex 1A followed by 1D... I can see that separation when I scan the barcode...

I am creating a excel dashboard, and I have a set of buttons that allow users to hide or show subcategories on the graph, to avoid overpopulating I made the buttons shared for all of the categories. The problem I am having now is that when the user selects a different category I don't want the previous entries to change unless that is the category...

Alright. So I'm building a small timing system as a "beta" for a local racetrack. I know that the VB Timer is inaccurate .. But that's why it's a beta. I'm using Visual Basic Express 2010 I'm taking an infrared sensor, and connecting it to a microcontroller. The microcontroller will read the input of the sensor (whether it's broke or not) and...

Please help i got a problem in visual basic .net and im using visual studio 2010 when I run program to display records from database to listview i encountered a problem in immediate window and it says: A first chance exception of type 'System.Reflection.AmbiguousMatchException' occurred in Microsoft.VisualBasic.dll I encountered that...

Greetings, im a beginner in vb.net and im trying to make a survey program(which consists of radiobuttons- poor,fair,good,verygood,excellent) that when a user inputs its user-id. the program will check the database whether the user-id has been entered before or not. if existing, the user may edit the original/existing survey record. im using MS...

The Random generator works fine. What I have a problem with is adding the rows and columns. Array 0,0 0,1 0,2 = row total 1,0 1,1 1,2 = row total 2,0 2,1 2,2 = row total = = = col total coltotal col total also add 0,0 1,1 2,2 Private Sub BtnFillArray_Click(ByVal sender As...

dr = ods.Tables(0).Rows(0) dr.BeginEdit() dr.Item("NAME") = sName dr.EndEdit() dr.AcceptChanges() oda.Update(ods, ods.Tables(0).ToString)

hi i make progran used vb.net 2005K anf then instal this program in tow computer and work withot any problem then i install this program in third computer but when i try to open by click the massege appear ( program name has encountered probleam and need to close ) so if i find any solution from any body please help

hii am able to send hex data to the hardware device but not able to receive the data it is sending here is my code Public Function getMessage() As Integer Try Dim hostEntry As IPHostEntry = Nothing Dim s As Socket = Nothing