4,928 Topics
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| | I'm coding in visual studio. i have a problem in ConfigureSerialPort function. #include <windows.h> #include <stdio.h> #include <string.h> HANDLE hPort; BOOL WriteByte(BYTE bybyte) { DWORD iBytesWritten=0; DWORD iBytesToRead = 1; if(WriteFile(hPort,(LPCVOID) &bybyte,iBytesToRead,&iBytesWritten,NULL)==0) return FALSE; else return TRUE; } BOOL WriteString(const void *instring, int length) { int index; BYTE *inbyte = …  |
| | hi everyone im doing small vbproject that must auto generate id using the current date format in vb.net-(VISUAL STUDIO 2012) with Ms access database. When the button1 click the autonumber should be displayed in text. And when it save, it should be saved in the database access. The id number … |
 | Is there any option which i can activate when using ECLIPSE so that when i m typing S... for String or i.. for int etc... to automaticly give me suggestions that i want a int if the first letter is i or i want a String if the first letter …  |
 | I like to know how to add the no at the each new line before starting. I know how to count total lines. but I am lacking some knowledge on how I can Add new line number before New line and also the selected line get background colour different then … |
| | Hi, I am new to VB.NET and I manage to create an add-on to help my disable girl look up things. The small issue i am having is getting the add-on to run automatically without me or her clicking on the button. I was wondering how can I make the … |
| | I recently installed Microsoft Visual Studio 2010 on my computer. I wrote a C++ program and I can't find any Build/Compile/Run options in Visual Studio 2010. Please, any one can tell me how can I compile C++ programs in MS Visual Studio 2010. |
| | Hi I just recently started learning about using the windows form application for C++. I am using Visual Studio 2010 and I have came across this problem. For instance, I am trying to read and write to a text file. Many guides suggest using StreamWriter^ and using namespace System::IO; to … |
| | Hi basically I have been trying to set up the irrlicht engine with Visual Studio 2010 and after adding in the inlcude and library file paths it seems as though Visual Studio no longer recognises "stdafx.h" as a valid precompiler?? I know this has something to do with not being … |
 | Hi, Im having a hard time figuring this maybe a simple query. This is my first time to use sql compact edition. How can I query a select statement inside a select statement which tables are not related at all. What i need to accomplish is to insert a logo …  |
| | I am new to using datagridviews and wanted to know how to populate certain fields. I have created a form and added a datagridview (named GridSellProducts) with Visual Studio designer and added 8 columns with the first named Item. I have also changed the column type for Item to DataGridViewComboBoxColumn …  |
 | I wrote a few applications using Visual Studio 2010 and i was saving them in different folders but all of them are saved on my desktop and now i want to combine them and i'm failing..please can you help me or give me instructions on how to do it. Thank …  |
| | Hi every boddy Big problem here. I don't know if from access or vb.net I program in Visual Basic inside Visual Studio 2010 I have Access 2002 dbase with the first field caled ID_no : autonumber and primarykey and it is a "LONG INTEGER" I can not change because it … |
 | Hello, Excuse me. I have been using vb 6.0 for more than one year.But now i want to use vb.net. i have setup of visual studio(2010) in my computer but yet i have not installed it on my pc. please tell me that how it will help me in working … |
| | I have been working on this code (school assignment) for a few days now. It seems to be almost finished, but I am not sure what's going on. When I run it in an online complier, it displays correctly, which is supposed to look something like this "12345" "1234500000" However, … |
 | hi I have create VS project using C#, I am using Crystal Report when i run project using VS 2010 The Crystal report work very well, but when i create setup from project and run the project after download setup the crystal report does not open, - Although i am … |
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| | I create the application and set the untick/unchecked on "Make single instance application" as if i do then I can not open the multple window... Now the another thing is what the main thing that is used in the Publishing the application? if I used only Bin Folder then is … |
 | Hi DW I've created a website in Visual Studio under the VB.NET and I tried to publish the website to my wamp server on my computer but when I try to access my website via webbrowser it shows something like index of/ then list all my web files it does …  |
| | I am using VB.net 2008 and .net 2.0 framework. After I modified a class library in development environment, I build a particular class library in visual studio 2008 and dll file get generated in the bin directory. I copied this dll file to the bin directory in production environment. But …  |
 | Hi there, in am new with Webmatrix and Visual studio 2013 and i would like to create the following : (for all user of the website) 1) a classic form contact in asp.net razor : email name subject message If is possible this message wil send an aoutomatic mail to … |
| | MSDN recommends disposing any variable of type System.Drawing.Brush before its last reference is released. Otherwise, the resources it is using will not be freed until the garbage collector calls the Brush object's Finalize method. As we know, local variables are destroyed automatically when the control flow goes out of the …  |
| | I have been using Visual basic 6.0 for one year. 1-I want to know that what is difference between visual studio and vb 6.0? 2- What is difference between vb 6.0 and vb.net? 3- Now i want to use vb.net. So tell me how can i install vb.net? and from … |
| | Hello, i am a newbie. Now i got a problem about Extracting some specific strings from a txt file. Here is the txt file like: 121348319B'\t'Herman Gerrand'\t'ED001' 'C'\t'ED002' 'A ED003' 'B'\t'ED004' 'C 124311431B'\t'Shakes Hand'\t'ED021' 'F'\t'ED003' 'C ED007' 'A'\t'ED011' 'B 124134131B ....go on The sequence logic is: student ID'\t'student name'\t'subject code' … |
| | I have query that updates the database but the problem was the datagrid is not updating.. i have to restart the program in order for the datagridview to take effect Imports System.Data.OleDb Public Class frmUsers Dim cnn3 = New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\Users\Renz\Documents\Visual Studio 2012\FINAL\Database\AuditDB.mdb;") Dim sql2 As String Dim ds1 As … |
 | I have some c# code using the tweetsharp library and when I run it with mono it gives this error: Missing method .ctor in assembly /home/freddy/rubystack-1.9.3-16/apache2/htdocs/yrs/c_backend/TweetSharp.dll, type System.Runtime.CompilerServices.ExtensionAttribute Can't find custom attr constructor image: /home/freddy/rubystack-1.9.3-16/apache2/htdocs/yrs/c_backend/TweetSharp.dll mtoken: 0x0a000019 Missing method ToList in assembly /home/freddy/rubystack-1.9.3-16/apache2/htdocs/yrs/c_backend/ConsoleApplication1.exe, type System.Linq.Enumerable Unhandled Exception: System.IO.FileNotFoundException: Could not …  |
 | Hello, I have created a report using SAP Crystal Report on Visual Studio 2010. As datasource, a interal dataset is used to populate the report which is included in my project. Everything seems to work fine until during runtime when I load the report onto the report viewer, it keep … |
| | Yesterday (October 25) I spent a few hours working on a Word document. When printed out, it is six pages long. This morning (October 26) when I opened up the document to resume work on it, all my latest work was gone. The document property indicates it was last modified … |
| | I have an MDI application containing an MdiParent form and few MdiChild forms. The MdiParent has a fixed MenuStrip, a fixed ToolStrip and a fixed StatusStrip. The MdiChild forms have one or more ToolStrips and a StatusStrip along with other controls in them. The ToolStrips and the StatusStrip of the … |
 | I want my XML file to look like this: <?xml version="1.0"?> <Student> <Name>Jax</Name> <Prenume>Teller</Prenume> </Student> I wrote the following code in C#: using System; using System.Xml; namespace ReadingXML2 { class Class1 { static void Main(string[] args) { XmlTextWriter textWriter = new XmlTextWriter(@"c:\users\danuts\documents\visual studio 2010\Projects\BD - XML\BD - XML\XMLFile1.xml", null); textWriter.WriteStartDocument(); … |
| | can any1 help me with my code because i cant delete and copy a folder but i can copy and delete other file extensions in my code. it would be a great help if you can help me with this cause im new in c++...thank you and godbless. code for … |
| | Hopefully I shouldn't need to explain what `gets` is or why it's easily one of the worst possible standard functions you could call in your code. In my personal opinion, the title for "holy shit, never use this function" is a tie between `gets` and `system`. I'll discuss the problem …  |
| | Hi I am beginning by final year project which is an appointment system. I had planned to use Visual Studio and SQL Server for this but at the end of the year I have to submit my system to the uni on a disc, I was just wanting to know … |
 | I have an assigment where I am to create a program to calculate BMI. I wrote the program and would like to have someone check it to see if there are any mistakes I need to correct. //Declare variables double weight, height, bmi = 0; //Prompt user for weight in … |
 | As I watch one of the videoon net on screen recorder. I watch that by adding reference > com > hycam2 is visible. (this is the important else I can't create my app) So I browse the hypercam2 Directory. And try to add the file: hycam2.tlb But pop up msg … |
 | I get lots of error in my program like: Warning 1 WithEvents variable 'Close' conflicts with sub 'Close' in the base class 'Form' and should be declared 'Shadows'. C:\Documents and Settings\Alina\My Documents\Visual Studio 2008\Projects\WindowsApplication1\WindowsApplication1\Form1.Designer.vb 321 23 WindowsApplication1 Error 2 Expression is not a method. C:\Documents and Settings\Alina\My Documents\Visual Studio 2008\Projects\WindowsApplication1\WindowsApplication1\Form1.vb … |
| | Hello! Sorry for the bad article title, was not sure what to name it since I couldn't figure out anything good to name it, that would be near my request. Let me begin.. I code with Visual Studio 2010 with C# Windows Form Application. I code everything in combobox1 and … |
| | Hello! I come here with a tricky question and I do not know how to code it at all. First off, I am coding in Visual Studio 2010 C# Windows Forms Application I need someone to help me code the following example: I have a text file which includes only … |
 | Dear All, I am using Visual Studio 2012 and created a WPF application. I just want to know that how to include pre-requisites like set up files of .Net framework etc. in my setup project so that if anyone installing my setup has not got the framework installed on his/her … |
| | I want my program to throw exception on console window. But when exception occures Microsoft Visual C++ Runtime library dialog box shows up. What can I do to stop visual studio from stopping execution of my program when an exception occues and let my program handle the exception? I am … |
 | Hello. I am currently studying database design at my local university. They use Microsoft products there (Microsoft SQL Server 2008/2012), but we can't use them at home because of the licensing. I have two questions: 1 - Is there anything in the world of Open Source that I can use …  |
| | Please Help: I am making an internet Cafe system that will login his/her account If user still have time left on his account(database) then login success and countsdown hours and minutes to zero if user logsout it will update the database "timeleft" of the current user If 5 minutes remaining …  |
| | I am unable to insert data into database, plz help me out. This is my code using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; namespace labsoft { public partial class test_group : Form { Form opener; public test_group(Form parentForm) { InitializeComponent(); opener … |
| | Can't Update my User Table "Hours" "Minutes" "Seconds" from the current value of the timer where it has stopped I used button to stop the time Imports System.Data.OleDb Public Class frmMain Public hh As Integer Public mm As Integer Public ss As Integer Public totalsec As Integer Public timercount As … |
 | ## Hey Guys ## , I've recently stopped doing some of the projects which I wanted to do and took a look at SQL and came across Microsoft SQL and i was pretty pleased with wha tit can do so i downloaded the program and watched some basic MSSQL tutorials …  |
| | good day.. i have a slight problem in my enrolment sytem. im new in vb programming, and this problem perfectly work in stressing out and pressuring me as begginer. i have a listbox that contains all filtered data from my database. and i want it (all entry in the filtered … |
| | I am making a login system that records time in and time out for students.. but the student can't sign in if already "Signed In" and student can't sign Out if already "signed out" that is why i have three form. **THE CONCEPT OF THE PROGRAM: When i log in … |
| | Hi all, I have installed SAP Crystal report for Visual Studio 2010 successfully on PC(.NET4.0, Windows Vista, Visual Studio Ultimate 2010). Now When I am going to add rpt file in my existing project, It automatically create .mht file and not .rpt file, that .mht file containing instructions and link … |
| | I am new to classes and was trying to create an elmentary program to understand classes and objects. I ve created three files 1) header file for class declaration 2) class definition .cpp file 3) class implementation main .cpp file I cannot understand the error I am getting. Please help. … |
| | THIS CODE IS WORKING,, BUT WHEN THE SECOND TIME LOGGING IN IT DOUBLE CHECKED LIKE 2 FORMS OPEN and 4 MESSAGE BOX APPEAR Private Sub btnSign_Click(sender As Object, e As EventArgs) Handles btnSign.Click Dim connectionString As String connectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\Users\Renz\Documents\Visual Studio 2012\FINAL\Database\AuditDB.mdb" sql = "Select ID, LASTNAME, FIRSTNAME, LOGINSTATUS … |
| | I am currently trying to make a simple file uploader using http://msdn.microsoft.com/en-us/library/w3kksch7.aspx and its pretty straight forward except I keep getting the error Access To the path 'E:\Temporary' is denied I tried running visual studio 2012 as admin I already change the directory (It was at C: earlier) Help and … |
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