Software Development Forum

i have here a code for my back up: Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Dim dbload As String = Application.StartupPath + "\Enrollment System.accdb" Dim backupdb As String = "G:{0:yyyyMMdd}" + ".accdb" System.IO.File.Copy(dbload, String.Format(backupdb, Date.Today), True) MsgBox("DB Backup Successful") End Sub but this code …

how can I make vb.net application online. Is it possible? so it's can be access from anywhere..

How do I add an animated picture to the Splash screen in vb.net 2008 my picture is .gif and when i setup the form's backgraound the picture dosent move. hepl me pls

I have a login form (jFrame1) which has a jTextField1 to take input (employee id) from the user. I want that the value of employee id given by user in jTextfield1 should be transfered to jLabel1 in user main frame (jFrame2) when the user press login button present in the …

Hi ive made a program that does 3 things. 1. lets you enter 2 words to form one word ( red + cat = redcat ). 2. opens a separate txt file. 3. checks what you entered is the same as one of the words in the separate txt file. …

i had set a password for my database to protect my data but the problem is that my database doesn't function with my codes in vb...how do i solved this? please help

Below is a merge sort function provided by my instructor, my task is to create a program that asks the user to input numbers in random and choose which type of sorting algorithm he wants to use to be able to sort the numbers, I managed to finish quick sort …

I've been trying this for 1 year now and can't seem to find anything useful (yeah, I know I suck). I've made a C++ application with WinAPI which allows me to read and write raw disk bytes with CreateFile(). However, now I need to do it with assembly so the …

Ok . I am writing a game that generate random 6 array numbers from 1 to 10 the program MUST be using by srand(time(NULL or 0)); Now, I want, because it's a little bit of difficult to generate series per second something that the program will generating the numbers auto.. …

I used an older version of VB (4.0) to create a program and now want to re-create it with VB.net. A line in my program used the " ; " character to force printing to wrap I can't do this with VB.net using the 'PrintLine' function. What function allows me …

It seems that i dont fully comprehend how rotation works. So leys say i have a cube and i do this: x = 90.0f; rotatef(x, 1.0f, 0.0f, 0.0f); Notice that my code here may be not all correct, its like that just to symbolize what i mean. So by doing …

Hi I understand the usage of interfaces meaning they are meant to reduce coupling and make coding more effecient. Btu could one explaing how to use it and in what situations regarding in what part of the program do you use it at? Thank s in advance!

Hey, I'm pulling data from a table, and storing it into a DataRow. Per [MSDN](http://msdn.microsoft.com/en-us/library/system.data.datarow(v=vs.110).aspx) , I should be able to get an item from the row simply by `dRow.Item("time")`, but I only get the option of using ItemsArray. Is there any specific reason this would happen? Thanks. Link to …

Dear All, I have a small probelm with updating my database. Here are my codes ~~~ vb Module AphidSimVar Dim myCon As SqlCeConnection = New SqlCeConnection("Data Source=|DataDirectory|\AphidModel.sdf") Dim myCmd As SqlCeCommand Dim myAdap As SqlCeDataAdapter Dim myDataSet As DataSet Dim myTable As DataTable Dim myBuilder As SqlCeCommandBuilder Public Sub ShowData() …

Hi everyone, I am reading text from a text file and outputing it in a textArea on Netbeans. I am using file not found exception, however I want to have an error message that pops up. Any ideas? Thanks

I have two class. One class is for JAVA text area another class has a object. I want to print in the textarea from another class. The class with the text area. public class LabelStatus extends JPanel { /** * */ private static final long serialVersionUID = 1L; final static …

Hi guys, I'm learning C++ from a book and I have a question about defining unary operators: In the book I'm working with there's an example, where they define a class called point, and define ++ operator for point *as friend*. here's the example: ~~~ c class point { int …

I was thinking that in the future I might be updating some of my class libraries and when I do that, it might be useful to keep old classes, namespaces and objects in the updates just for backwards compatability. I was wondering what you guys and gals thought of naming …

Hey guys, I am writing a program which uploads a text file into a linked list then displays a menu prompt to the user. All of my functions work fine except when I try to exit the menu/program. The program crashes and I don't see where it is coming from. …

Hi everyone, I'm working on an assignment that takes a record of student ID, student last and first name and their score, using array of pointers, qsort to sort in alphabetical order, typedef structs, malloc and calloc, etc. and the program prompts those records and it is stored in dynamic …

I'm having trouble finding where I am going wrong with this program which checks for perfect numbers. Here are my errors: I ran it but it's giving me an error saying Exception occurred at PC=0x00000000 Bad address in text read: 0x00000000 Attempt to execute non-instruction at 0x80000180 ## Registers: ## …

As you can tell I am very new to python...I stumbled upon pygame and it looked fun. So I started to build a game and I got stuck right away...Player controls. I would like the player to be able to contorl the person. Thank you. import pygame, random import random, …

Hi, I'm trying to setup sort of a LAN keep-alive proxy... Ex.: * My Xbox 360 is connected strait to my computer via an ethernet cable. * My computer is connected to the internet via a Wi-Fi adapter. * Everything works fine and I can access the internet on the …

Hello my fellow daniwebbers, I have yet another question. I have a date, which is pulled from a database, that I need to convert to another form of that date. Example. Date1: 1/2/2001 Date2: 01/02/2001 What i am wanting to do is turn the current date format into two digit …

Hola code gurus, I’m wondering if there’s a way to use a string to access a specific item in a matrix of int[X]. I have a program which uses enums as iterators to reference a large amount of data. To select an item in the matrix, the user will enter …

Hello guys is there any way to run the WPF storyboard using code in VB.NET? If yes how can we do it? And if i am not gonna get answer to this question too then let me know. Thank you!

Hi again, Does anyone know how to change file extension? Please help me. Thank You

Hi, I've got 2 forms, after click on the button I'm hiding first and showing second.. How to put the second form to the same location as first one? I've tried: MMenu m = new MMenu(); // MMenu is the first form this.Width = m.Width; //Width and Height lines are …

I am doing project in java that analyzes tweets related to a particular topic and categorizes them as positive,negative or neutral.I have been able to extract the tweets but donot know how to build a classifier to categorize them.How do i build a classifier and how do i train it?Please …

hi eveyone i have to big problem so this problem have two datatable first table like column1----column2----column3 row11-----row21-----row31 row12-----row22-----row32 i want to inset to other table column1---row11 column1---row12 column2---row21 column2---row22 column3---row31 column3---row32 my code: DataTable orjiTable = new DataTable(); DataTable gecicitable = new DataTable(); adptr.Fill(gecicitable); // orjiTable.Columns.Add(gecicitable.Columns[0].ColumnName.ToString()); // MessageBox.Show(gecicitable.Columns[0].ColumnName.ToString()); foreach …

Hi all, I need to list all files in directory. How i can do this. Thank you

I am new to bash shell scripting. Converting over to Linux before support for Windows XP fades into the sunset, I am redesigning and rewriting many scripts that worked using enhanced scripting language Take Command. I am trying to evaluate whether a directory exists based on a list of directories …

While I am reasonably familiar with the use of threads in Java ( or at least the syntax ), the question is exactly when should they should be used and in particular how 'fast' things must be before you use them ? I had thought they were used to prevent …

Hi all, I want to clear all items of comboboxes in my form I can clear all textboxes using looping and check if control is textbox then clear textbox. But when i implement it to combobox it just clear the combobox text not all of items on combobox. Private Sub …

Hello Am running into a problem on how to store the TFont properties of a memo (or any component at that) to a database Please help.

I am trying to have a situation where if a user clicks on a certain row in a datagridview control the value in the datagridview row will be shown for a a certain column. Column 1 in my datagridview control has Names in it so I want if a user …

Hallo, How can i use Regex to match names in different files. e.g. i have 3 files with names. i need to link the matching names in the different file. any ideas.

I have written this code to get the file in a directory, now i want to make it open the .txt & .ini & .docx and print this line: "=== THIS FILE HAS BEEN COMPRIMIZED ==="; in the file, need help with that code please. Here is my code to …

I can't seem to wrap my brain around this one and would really appreciate it if someone has some suggestions! :) I have two tables, one contains a list of locations (AccountLocations), another a list of contacts that belong to those locations (AccountContacts). What I would like to do is …

To freeze the exicution for specified period we use threading.thread.sleep() in timer tick event..... But my problem is how to freeze the exicution of a button clivk event for a specified time.....?? I jst tried to use threading.thread.sleep() But its not working in button click event

Been a long time since I've logged in and had a question, but here goes nothing! I have a file that is not delimited in any way, but I need to replace a particular column character from a space to a alphanumeric value on every other line starting at line …

Hello again everyone. I am creating a math game sort of...I dont know if they call it a case or switch statement but I want one in both my Menus. Also I am wondering if you can create an if statement or case statement that will support two variables...for example: …

Hello all. I am making a virtual iPod touch in VB.NET, and I hate it how I have a form that I can't drag and move the form around the screen, I've trying making the form goto Mouse's location when the mouse moves and Dragging = True, but that doesn't …

Hey all, Im working on a number guessing game where a user has 10 tries to a guess a number. The program supposed to display user guesses and then the main menu after the game has finished. Im running into a couple of problems. The first one being that for …

Hello my fellow Daniwebbers, I have yet another question for you. I have been using a library to scan, located [here](http://bytescout.com/products/developer/scansdk/bytescoutscansdk.html), and have not been getting a consistant return. When I use the TWAIN Source, the GUI pops up and disappears almost instantly. When I tell the source manager to …

Hi guys, as you can see i have a problem with the array , i don t know how to put every remainder in the array and then loop it to get the reverse order, it seems that the array is being overwrited every time the while loop goes and …

I am finding the factorial and exponents of variables both recursively and iteratively. What I need help with is finding out how long it took each one. Where do I put the System.currentTimeMillis() part and how do I find out exactly how long it took (i.e. 55 milliseconds)? public static …

#include <iostream> #include <string> using namespace std; int main() { string s; for (int i=0; i<10000; i++) { s+=1; for (int j=0; j<i; j++) {s+=0;} } cout << s; } This is a code i wrote to make s=110100100010000... until 10 to the power of 10000. However in the line …

With what programming languages can you write OS in. I know that you can use C and C++ but are there any other, when i talk about OS i mean everything: from the BIOS & Boot & Kernel & all the rest that is neede to make an opersting system …

please kindly help me!!! what i wanted is when i select items in the combobox and it is already in the database it will prompt that it is already in the database..tnx ~~~ vb Private Sub ComboBox3_Validating(ByVal sender As Object, ByVal e As System.ComponentModel.CancelEventArgs) Handles ComboBox3.Validating If ComboBox3.Validating Then con …