Software Development Forum

Hello, Im wanting to write a basic VB application that will allow the user to select a bunch of PDF files then print them in bulk. I have achieved something similar with Microsoft Excel, using the shell command to do this. (ie, VB app allowing users to select a bunch …

Hi all , I have a console WCF client application . When it compiled creates an EXE file which sends information to the Web service . my question is that how can i use this console application in my web application ? Thanks,

Hi gang, I've created an object array from a managed class. [CODE] array<MyDataType_Class^> ^Object = gcnew array <MyDataType_Class^> (3); Object[1] = gcnew MyDataType_Class; Object[1]->id = 1; Object[1]->surnmame = "Formen"; TextBox1->AppendText(ConvertToString(Object[1]->surname)); // Outputs "Formen" + [/CODE] The object works well and outputs expected results. However what i need is : [U]Calling …

HI, I've been looking for a long time now, for some simple ways to get the full path of a file in the same directory of my console and the console itself. The main purpose of my small project is to just locate a file and move it into another …

Suppose you have a supermarket, and every item which belongs in that supermarket is stored in one place. Then you have sections of the supermarket like "Food & Cuisine", "Entertainment" and so on. The user of your program needs to be able to list every item within the supermarket, then …

Hi, I have a form where i can enter new product. In that same form i have listbox where i show the current product from the database. I want to know how to update that listbox as i enter new product into the database so that user can see the …

I have a program that I wrote that creates a database in SQL Server called States_02 as a sysadmin user. Later on I want to grant SELECT permissions to that database to another user, web I always get an error that it cannot find States_02 or I don't have permissions …

A simple program to calculate permutations of a string using recursion, I have used a malloc string of size 100 , you can change it to whatever value you want. The author is currently working at Microsoft,any questions can be directed to [email snipped]

hi this is a course work question and i have tried multiple methods to get it to work so if you can show me where i'm going wrong i would greatly appreciate it. i have to read a 4 character input and create each of the numbers into a sort …

Hi, i'm doing a registration form and i have problems checking if the username exists in the database. [CODE] Imports MySql.Data.MySqlClient Public Class Admin_Reg Dim server As String = "Server=localhost;Database=escola_musica;Uid=root;Pwd=;" Dim con As New MySqlConnection Private Sub Admin_Reg_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load con.ConnectionString = server …

Hi all, Someone please tell how to print invoice. I dont have printer, is it possible to print a sample bill in notepad?

Hi, this is my first post, so any help or advicing is welcome. I have a form in which i want to show records from a database and create buttons for each record, the problem is that i need to point the buttons in diferent locations inside the form based …

Hi i'm making a function that will return make a series of strings and perform a function returning a value for each. I've stored the strings in one vector v, and the integer values in another v2. Then it is supposed to return the string that corresponds to the smallest …

i am new to VB.net. just want to check an id number in my textbox if its aldready existed in my database. this is my condition: if textbox1.text = ds.tables("employees").row(0).item("id") then msgbox("ID already exist") end if

When trying to cut down possible memory leaks in my program, I noticed a reoccoring pattern: Move Delete closer to new, repeat, remOve the function that uses it and move code to main, move a few things to global, replace some stuff with arguments and return values, and in the …

hi guys please help me i want to know how i can pass an i ,j argumaents to the function abc so that i can do oprations on i, j in function abc [code]Button[,] b = new Button[8, 8]; void drawchessboard() { int x=60, y=10,z=0; for (int i = 0; …

I have a connection string for my SQL database connection called my.settings.GCRConnectionString which was created when I created my dataset for the application. I want to change the value of the connection string but it give me an error saying it is ready only. Is there a way to update …

I don't even know where to begin with this one, but I'm wanting to create a couple graphic controls that at least appear to be in 3D (not stereoscopic but as in not a 2D flat image) and can rotate and move back and forth on an illusional Z axis. …

hi everybody, i am using code blocks with the mingw compiler to develop my c++ console applications, in the end of each program, i get the message "Process returned 0 (0x0). execution time : ....... press any key to continue" How can i get rid of that. Thanks

I have a difficult function to write and I have no idea where to begin. Here is the definition of what I need to write: "A function f(x,y) which returns true if the binary number formed by concatenating the bits of x, 8*y-1 zeroes and a one is prime, false …

So a friend and myself are in a computer science course and for our final project we decided to really apply ourselves and add stuff into our assignment that we weren't taught throughout the year. Well we came to a wall when we decided to add an option to delete …

hi, [CODE] public Record get(VideoObj v) { // TODO if((v ==null) || (v=="")) return null; else return ??; } [/CODE] Recor and VideoObj are classes. if the methos return type is Record, can someone tell me what should I return? thanks

I am making a java game, and I have heard that when I use the Math.random() method it has greater chances of generating some numbers. is this true, and if so how can I fix it. If not which method generates numbers unequally? Thanks for your help.

I am trying to compare two arrays of objects to verify that they have the same values. It is returning false when it should be returning true. Im not sure what I am doing wrong when comparing the two arrays. Class : arrayObject [CODE]import java.util.*; public class arrayObject { private …

i already have sql database ,server,login,password,,,i have to check from visual studio windows form,,,,to check test connection

Hi, If you create a CLR windows form project in Visual Studio C++, when you distribute your programs does the user need the .NET Framework or just the Visual C++ 2010 Runtime Redist? Thanks.

I have seen some people talking about it and my question is... I have a program that opens a input and output stream, when the program gets the message '#end' it should terminate the program. Does it really matter if I close the in-and output streams and then close the …

could some one explain the code below [CODE]import java.util.Map; import java.util.HashMap; import java.util.Collection; import java.util.ArrayList; final class InventorySet { /** @invariant <code>_data != null</code> */ private final Map<VideoObj,Record> _data = new HashMap<VideoObj,Record>(); InventorySet() { } /** * Return the number of Records. */ public int size() { // fill in …

Hi i am doing a student grade lab where the student enters a grade they got on a test and they get a letter grade. My program only gives the user a F even if it should be another grade. This is my code. [CODE]strT1 = JOptionPane.showInputDialog("Enter 1st test score:"); …

Hi, I have to design a program that plays sounds (from WAV files). I have to create a wav and play it. Once it finishes I have to change the contents of that wave file and play it again. It is like playing a wave file that is constantly changing. …

hi experts During my development progress i was stuck up with a problem. I used a class MyList and with the Help of this MyList the combo box named cboCity was filled with City Code(like 1001,1002,etc..) as Value member and City Name (like Canada,California etc...) as display member. [CODE] Public …

hi... could anyone please help me with how to create buttons dynamically in vc++ 6.0 dailog based application

the following program uses 2 arrays a & b of sizes m & n, both the arrays take values from user. third array is of size m+n. i hv to merge these two arrays into third one. but becoz of 1 error i m unable to do this. i hv …

Is there a library that's easy to setup and use with Visual Studio 2010 for AES encryption/decryption? I've been fiddling with CryptoPP and it's endless link errors and iterator_level_not_equal error messages for an hour now, so I think it's time to look for an installer or a new lib. Any …

Hello all, I am debugging a vb app for my company. I did NOT create this app. So far there is just one thing that has been bugging me, AxctlUSBHID.AxUSBHID. Heres the code and the error im getting for each section. There is only two errors. (1) [CODE]Private Sub InitializeComponent() …

I have this code: [CODE] /* * To change this template, choose Tools | Templates * and open the template in the editor. */ package se211.dz14; import java.util.Scanner; /** * * @author Boris */ public class Month { /** * @param args the command line arguments */ public static void …

Hi, I'm just wondering, why do we bother with function prototypes? Wouldn't it be better if we just defined the functions before the main function instead of having a function prototype and a function definition in separate areas? For example, instead of the following: [CODE] #include <iostream> using namespace std; …

hi all Here i am trying to a code in which the run method is not being called when the thread is started.. Can anyone help me please.. Here is my code [CODE]import java.awt.*; public class Games extends Frame implements Runnable { int x=250,y=470; Thread t=new Thread(); Games() { setVisible(true); …

Hi, Can someone please help me with understanding the differences between the 2 please: [CODE] Shape* rectangle = new Shape; [/CODE] And [CODE] Shape rectangle; [/CODE] I know that with the pointer you use the "->" operator to access the object methods, and with the other one you use the …

Hi, I made code of several classes for game, not 3D nor 2D, it's like those on FaceBook where buttons are main. I'm curious, could code for that type of game be called Game Engine? Hmm... Thanks! :)

hi. im programming a 2d game and on the university computers it runs nice and slow but on my i7 laptop the ball travels at a million miles per hour. how can i restrict the speed/fps.

Hello everyone....... i need to display the html and php page on the tkinter window...is that possible to create a frame or canvas, which work as a php html interpreter.......... to fetch html i can use urllib module, i think... Thanks ....

Ive been trying to code a GUI application in qt but im having trouble trying to get a button work. homewindow.h: [CODE]#ifndef HOMEWINDOW_H #define HOMEWINDOW_H #include <QWidget> class homeWindow : public QWidget { Q_OBJECT public: homeWindow(); ~homeWindow(); void init(); private slots: int when(); private: QWidget *aWidget; }; #endif // HOMEWINDOW_H[/CODE] …

i have downloaded pdcurses and installed it. and , right now i am studying a ncurses tutorial , [url]http://tldp.org/HOWTO/NCURSES-Programming-HOWTO/intro.html[/url] there are some sample examples also. but, when i try to compile "form" code examples , i see that there are no <form.h> header file in the pdcurses installation. has, anyone …

Hey I want to create a JAR library but not sure how to in MyEclipse. Im currently doing it manually using jar command but I cant seem to get it correctly The library code is: [code] public class LibAdd { public static int addtwonumbers (int a,int b) { return a+b; …

[CODE]class DoWhileDemo { public static void main(String[] args){ int count = 1; do { System.out.println("Count is: " + count); count++; } while (count <= 11); } }[/CODE] can someone please rxplain to me how does Do while statements work? and how can i use it in my program?: [CODE]public static …

im trying to do a program like this: i need to do a program like this: Automatic Teller Machine [B] Balance [D] Deposit [W] Withdrawal [Q] Quit select you OPtions: once i have chosen an option then i should proceed here if i choose b: YOur Balance is __ if …

Hello guys well I have been working in this arraylist that is now driving me crazy! Bascially I wrote a CAR class which has some methods in it, however now I created an arraylist so it could store cars from the other class and at the same time have access …

I am new to Java Swing, I have created a JFrame which should get displayed when there is mouse focused over it and should be hidden when the mouse is not over it. Should i add a window listener for it.

Hi, I have this sort of problem whenever the datatable has an empty cell, it shows cannot find column 6 or depending on the number of the datatable column cell. Why does this happen and how can I resolve this? Thanks