[vb.net] Forum Topics

i have to create application that ask user to input Lower bound and upper bound (both intger) greater than 1 and determins all of the prime numbers within the specified bounds, inclusive. and write function procedure prime that returns True if a number is prime. False otherwise. i also should …

Hello, I am a programmer with 6 years professional experience. I have worked with VB.NET, Coffee Cup, Oracle, and C++. I look forward to cruzing around and check other posts and adding any helpful info I can. I also enjoy skydiving, golf, playing bass guitar, being a private pilot. :icon_cool:

every one help me out....i have to save msword file to a particular foder..i need code........

When Im browsing with either internet explorer or firefox and I recieve an error I get a window popping up asking If I want to debug in visual basic. Im guessing there is a setting in visual studio to turn this off? debugging? Could someone advise, thanks kindly.

Hi, Can someone help me with Listbox issue in Vb.NET. I have two listboxes and I want on a click function, to transfer selected items from listbox 1 to the listbox 2. How do I go about that? Thanks

[COLOR="Green"]HI Every body[/COLOR] I am working with VB.NET 2003 for smart device applications. Here there is no Link label tool. But i want to link a HTML file to my application. your suggestions will be very helpful for me. If you have any code samples just share it with me …

im new here...plz guide me.....im making 1 user controll on vb.net...for inbuild worddocument......by clicking on the grid cell i would like open a word document... and want to save on particular folder.as well i hav 2 show the d file name which i save database simultaneously on the datagrid cell....plz …

hello anybody there, who know where to download afull version of vb 6.0. i'm need for my final year project... pleaseeee

i want a code which...is...by clicking on the grid cell i would like open a word document... and want to save on particular folder.....plz help me out

i want a code for .........

I have Two Text Boxes where the user enters their name. I need to validate that the boxes are not left empty and also no numeric data is entered. If it either is entered the click event Cost will determine invalid values and display message box error. Obviously my problem …

I am new to VB.Is there anything similar to checkedstbox(VB.net) in VB 6.0?. If not, can i make one using listbox,checkboxes and scroll bars?

I use [CODE]report.PrintToPrinter(2, False, 0, 0)[/CODE] to print 2 copies of the report, but it comes out 3 copies...i changed the PrintToPrinter copy parameter to 1 but i still get 3 copies!!! any idea?!

Hi How to get sum and avg in crystal report? please refer [URL="http://www.daniweb.com/forums/thread112804.html"]

Dear all, i'm newbies to .net (VB) development and i've got a little question. i created a form with a comboxbox. When i launch it, the comboxbox is editable. I'd like it to be non-editable. Could you tell me what's the way to get it non-editable? (i'd like it to …

I currently have an application that has multiple versions and will continue to be upgraded. I know how to increase the version number and have the users download the new version which will install correctly on their computer, however, every time they download a new version a new instance will …

How can i make a configuration in INI and XML so that i won't hardcode the location of my database and other configurations, and i would just change it from a form within my program? Can anyone help me? thanks..

Vb 2005 problem Is there a way to search for identical items in a listbox en count them ?

Hey, I've never done any programming in my life and would greatly appreciate some help :) I have to create a windows application where there are 3 text boxes in which you enter assignment scores (numerical) and then click on a button that adds the 3 scores together and displays …

Hey guys, I'm taking a beginner's VB/.NET class. Today we started working on a project involving a simple login form, e.g.: [code]Public Class Form1 Private Sub btnLogin_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnLogin.Click If txtUsername.Text.ToUpper <> "JOHNDOE" Then MessageBox.Show("Error: Username doesn't exist.") Exit Sub End If If …

Does anyone know how to create queryable collections in VB without using LINQ? I am working on creating a dynamic questionnaire system and need some help. Here's some background: The system needs to support parent/child questionnaires. I have the database model created, as well as a query that returns all …

Just for the heck of it I'm building a graphic editor, mainly to see how far I can take it and how much I can learn as I go. I'm having a problem with Image.Save. First I have an MDI parent form from which graphic files can be opened. After …

Hi ... Can u plzz help me .. i want to put maximum validation for each control on my form.. it contain a textbox(input only alphabets), a combo box(display only Mr,Mrs, Miss), a datagrid.. and also how do i put a tool tip text on a textbox.. Note for the …

Hai. I created one windows application.I am add reference control to add Microsoft WebBrowser Control..In my application I am using HTTPWebRequest and HttpWebResponse class .To request some post message to corresponding URL.Then I will get response string. In response string i am go to create one .HTML extension file.Then I …

Hi my name is Cristina I'm a Visual Basic newbie and my non-teaching professor at school virtually just dumped out projects for us to do without teaching anything and just giving out hand-outs.My problem is im having a hard time putting source codes in because its like hard for me …

I'm attempting to write a function that checks users input and verifies it's numeric. When it isn't I would like to keep the part of the string that's numeric and remove the last character after a messagebox pops up alerting the user to the violation. Here is the code I …

I need someone to look over this and see what I am doing wrong. I keepgetting errors on this part of the code. It says its not defined.I also think i need to take that splitter thing out. I am new to all of this and haven't a clue how …

Hi guys, Im pretty new to vb .net. What im trying to do it I have 2 forms. First of all I have created a Module with the code: Module Module1 Public Start As New Form1 Public Input As New Form2 Public Sub main() Application.Run(Input) End Sub Form1 has a …

hi, how to make a textbox with inputs are on the button.? then the textbox will accept all the input buttons chars. example.. i hve an alphatical buttons from A to Z.. i want that the user will input on the textbox by means of buttons not on manually type.. …

I'm writing a small remoting application and I've checked SourceForge, Code Project and a many others seeking to find how to serialize and deserialize mouse and keyboard events remotely. Is there anyone out there that has "working" code that I can work from to build my application? Thanks in advance …

[B][/B]I have an application that was written for me by a programmer who represented VFP as the "best thing since sliced bread" and that would be robust for many years in the future and more importantly handle huge customer databases over a LAN instantly. Now, after two years the server …

Hi all, A small program in vb.net hitting Microsoft Access is failing on Win2000. The program only works when it is run from an XP or 2003 environment. It fails and gives the following error (P9 : system.invalidoperationexception) when it runs on our Win2000 server. Any ideas? Thank you

Hi All, I have a project in VS.Net 2003 (VB.Net). The OS is Vista Ultimate. The project runs fine without any problem in Vista Ultimate and XP. I create a setup for my project in Vista it works, but i get a error in a button_click "Object reference not set …

I am making a program which has two arrays, both are strings. I want to sort the second string alphabetically and the first string needs to go with the second string. I then need to display them both, with the secodn string in alphabetical order with the appropiate name(first string) …

hi, how to control a button that is, if you click it.. example.. button "A", then the data inputs will construct a binary bits and output the seven segment with letter A.. and i am constructing a program that the user will input a string on the textbox then the …

Hi Everybody, I am trying to compare single precision floating point values in VB .NET. The code runs ok but the results look not right. Results also contain -Inf values. I see that this is not the right way of comparing floating points. Could you please show me how to …

Hi all I want to set my data grid column width separate for each column. Can it is possible? I tried as follows... [Code] gridMatchedDB.PreferredColumnWidth = 100 [/code] But its setting width to each column. How to set individually ???

hi can any1 help me ... i want to let different user to log in a system from a database. i know it must check it from the database bt i don't know how to do it. i just want to use only 2 columns. one for username and the …

I am wondering if it is possible to accomplish following in VB.NET: I would like to automate files move and sorting from "C:\uploaded_files" (files contain any extensions e.g. .pdf, .tif, .eml, .jpg, etc) to directory under different subdirectories as shown below. F:\Files\Oregon\Sold\Victoria Kraus\2008\OSVK082036PI\ F:\Files\Oregon\Leased\Victoria Kraus\2008\OLVK082036PI\ F:\Files\Washington\Sold\Victoria Kraus\2008\WSVK082036PI\ F:\Files\Washington\Leased\Victoria Kraus\2008\WLVK082036PI\ F:\Files\Oregon\Sold\Dan …

You VB .NET developers out there, I have posted 3 threads requesting help on reading floating point values from a binary file but did not get any reply at all. Is it because I am asking a stupid question or noone really have a clue about the question I asked? …

Hello! I have an SQL query designed to search a string field and return results based on input from the user. If I use VB.NET to interrogate the Access Db using the following SQL: "Select *FROM TRAINING WHERE ((Trainer Like '*Rob*'));" I get no results. If I perform this same …

I converted a large VB6 program (15 .frm forms) + 20 other modules(.bas) to VB.NET 2005 from VB6. (It used a lot of control arrays). After spending almost a week fixed the errors I find that it will not run. Field token out of range at \My Project\ Application.Designer.vb:line 35 …

Hi, I am doing my final year project in visual studio 2005, and I am using a datagridview to populate all record from a given table. Well I wanted to know if there is a some kind of way that when the user clicks on a specific record from the …

I am trying to add child nodes to a Treeview list, I have the parent node and this is the code I have to add the child node: [CODE] parentNode = New TreeNode() parentNode.Text = Me.headerSelect.Text.ToString parentNode.Nodes.Add(Me.fieldName.Text.ToString) [/CODE] It doesn't do anything - no errors, no adding, nothing.. Also if …

dear all actually , m a new to .net, i want to know how to use database connection in .net in sql way using dsn, without using provider like what i m write in vb is dim con as new adodb.connection dim sql as string con.open("dsn=test") dim rs as new …

hi all... anyone know how to count files when it selected on dialog box.i use common dialog, but i didn't find any function to count selected files (multiselect properties is true). any help will be appreciated. thanks.

Very new to Asp.net and need vb.net code for login validation...... Can i get any help please ? I've designed the front end in MS visual studio .net and it contains a username n password field and a login button . HAve created the table in SQL NOw i need …

Please someone help me with this code. I keep getting an exception saying Unable to read beyond the end of the stream. What I am trying to do is reading a binary file that has a single data type and then writing them into a file. Any help is appreciated. …

Hi all, My program reads a binary file (data type is single) and writes that binary file but the file size of the outputted binary file is exactly 4 times larger than the inputted binary file. I just don't know why. I would understantd if the binary file that the …

Hi everyone, I've got some issues with a Listview control set to LargeIconView with an ImageList control assigned to the LargeIconImageList property of the Listview. I've got the Imagelist control's image size set to 110,110. The thumbnails which are stored in a database have a MAXIMUM size of 110 x …