20,899 Topics
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| | hi i really need help, i m trying to write a program that displays in a textbox a talbe of the binary, octal, and hexadecimal equivalents of the decimal numbers in range 1-222. Plz help i m new to vb....Thks you |
| | Hi I have made a program on Visual Basic 2008. I have put textbox1 and button1 ONLY. I have disabled button1. I want button1 only to be enabled when we type some numbers in textbox1. I also want that we can ONLY type numbers in textbox1, not letters or other …  |
| | I am writing a program to schedule midwives to 2 different wards and at 2 different shift times but i am having trouble with writing an algorithm to do this. this is written in vb.net. |
| | I'm creating now a Computer Aided Instruction on Mathematics.. I just want to ask all of you if what are the possible modules for my projects so that i can start it already.. Need also some support for my project.. |
| | hello guys i have a question because in my I.O.File i use this to save the data in the listview in a c:\test.txt but the problem is that it only save one data and every time i click the save the previous data that i save is deleted and it … |
| | hello guys can u help me with this my code [CODE] Dim myFile As String = "C:\report.html" Dim stream As New IO.FileStream(myFile, IO.FileMode.Create) Dim writer As New IO.StreamWriter(stream) writer.WriteLine() writer.WriteLine("" & TextBox8.Text) writer.WriteLine("" & DateTimePicker1.Text) writer.WriteLine() writer.WriteLine() writer.WriteLine("Customer Name | Cost | Number of hours | Time Start | Time … |
| | hello to all i m student of software engineering. i m making my semester project on hotel room reservation i want to get all records from ms acess in data grid.. plz help me... thankx |
| | i want to make a custom tab control for my web browser but i have no clue how to do it. all I know is to set the draw mode to ownerdrawnfixed and use the paint event args but nothing else. please help, it would help with my ui. thx |
| | [B]An error has occured in a script on this page. Line: ... Char: ... Error: Access is denied URL: [url]http://www[/url]... Do you want to continue running scripts on this page? (YES/NO) [/B] So, whenever I use a WebBrowser on Visual BASIC, this will appear every now and then. I don't … |
| | hello guys, I need help regarding with my listview how will you make in listview if the name is already exist in the listview it will no longer accept or there is a msgbox("name already in listview") and the name is in the first column of the listview. Or what … |
| | guys... please help me to save, edit and delete files in the data grid... can you give me the codes so i can do it... i badly need it for my system... thanks.. |
| | I have written code to show records in a datagridview but it shows nothing. I have tried to debug & when it step into GetData function following codes [Code] Catch ex As Exception returnData = Nothing If connection.State = ConnectionState.Open Then connection.Close() End If [/Code] become gray & it shows … |
| | VB2008 won't let me drag my lblBase class from the toolbox onto a form in design mode. Why? Is there a way around this? [CODE]Public Class lblBase Inherits System.Windows.Forms.Label 'Public Sub New() 'MyBase.new() ' Me.BackColor = Me.Parent.BackColor 'End Sub End Clas[/CODE] |
| | Can anyone recommend an ODBC driver for Excel in VB 2010 Express? This is a 'legacy' problem having just being forced to move from VB6 to 2010. Any help well appreciated |
| | Hi everyone, i was working on a project lately where my manager asked me to develop a vb application that can download files of the website <a href="http://apps1.eere.energy.gov/buildings/energyplus/cfm/weather_data.cfm">http://apps1.eere.energy.gov/buildings/energyplus/cfm/weather_data.cfm</a>[<a href="http://apps1.eere.energy.gov/buildings/energyplus/cfm/weather_data.cfm" target="_blank" title="New Window">^</a>] Internally. i was thinking if i can make a form that display all downloadable files on the website … |
| | Dear all , I am trying to develop code that will check for each location (latitude and longitude) for a nmea file ( contains over 200,000 point) to check if this file contains some points that was close to a certain location or not . How can we do this … |
| | Hi, i just want to ask why this error mean? InvalidOperationException was unhandled by user code The provider could not determine the String value. For example, the row was just created, the default for the String column was not available, and the consumer had not yet set a new String … |
| | Hi, I'd like to know if it is possible to create a vb 2008 program that automatically runs when a folder is being opened. I want to protect my folders, please? |
| | hi i am creating a program in vb.net which display decimal, octal, hexadecimal, binary in textbox...i was hopeing me if someone can give a start...im completely new to vb thks you |
| | hey guys can u help me with this the problem of this code should delete only the selected item from the listview in a report.txt but this code delete all the data in the txt file whether i selected only one data from the listview.... [CODE]Dim myFile As String = … |
| | Hi. I am trying to code a program to send keys to a certain window. For example, in notepad I want the program to write "test" over and over again, in the notepad window. However, I do not want this window to be an active window. Is it possible to … |
| | We have constructed a windows service unde W2003 Server in vb.net 2010 to process certain database transactions. It should work 24/7 o the server. However, after 3/4 days it blocks the windows server operation since the memory usage is ever-increasing. After many revisions, we decided to place under "comments" all … |
 | Hello all, I started a new project wich function is restoring a corrupted DB. I started with making a backup of the original db and then trying to restore it again. But when executing my code i get following error [CODE]IErrorInfo.GetDescription failed with E_FAIL(0x80004005)[/CODE] Anyone got an idea how to … |
| | Okay, here's the senario: I want the form to hide when I click on the minimize button, then the notify icon will show up on the system tray. I have this piece of code: (ntfLibSMS is the name of my notify icon) [CODE=vb.net] Private Sub LibSMS_Resize(ByVal sender As Object, ByVal … |
 | I am going to try to explain this the best I can I didn't develop the original version of this, or the part that rights it to the database. in our company, there is a program that takes PDF files and stores them in our mysql database as blobs. The … |
| | In MS Access you can set the background to a specific colour when the field has the focus. This is done through "conditional formatting", using the "Field has Focus" feature. How is that done in VB.NET? |
| | Hi.... I have a datepicker that contains an alternate key of an Access Table with a autokey primary key. [code] Private Sub DateTimePicker1_Validating(ByVal sender As Object, ByVal e As System.ComponentModel.CancelEventArgs) Handles DateTimePicker1.Validating Dim d As Date = DateTimePicker1.Value If d < Today Then MsgBox("Gelieve een datum in de toekomst te … |
| | my database on sql server 2005. my application is completely working in my computer. but on other machine sql server 2005 login error.sql server does not allow remote server. please how can i load my application on other computer. |
| | Hello, Please help! I"ve created a form with three comboboxes and a datagrid. I've connect the comboboxes to the database and they all work but when i try and fill the datagrid based on the final selection from the last commbobox but it will not populate the datagridview..Help! [CODE] cmbVendor_MouseClick … |
| | How to connect a listbox to another listbox by their index? can someone help me with this? some codes please. thank you! |
| | The unfollow button is written in Java does anyone or can anyone programmaticly click the unfollow button? tried everything i know, visual basic, Java, JavaScript,, you name it,, cant do it.  |
| | Let me show you how do I create setup file of my program. [Code] Project>WindowsApplication1 properties>Compile>Advance compile option>Target CPU : AnyCPU Target framework(all configurations): .NET Framework 3.5>OK File>Add>New Project>Other Project Types>Setup and Deployment>Setup Project>OK Setup>Properties>Prerequisites>Select Create setup program to install prerequisite components & Windows Installer 3.1 & .NET Framework 3.5 … |
| | Could anyone help me with these; 1. Create a new line in vb 2008 (endl in c++) 2. Steps in updating a database when the database resides into another computer (for my client/server application) Thanks averyone, hope you could do something for this! my system is almost done... |
| | I'm writing this in VB.NET, so I figured I'd post here. So, I'm writing a program to convert some pdfs to jpegs. This is all well and good, and the program seems to work well for the most part. Unfortunately, I've come across a bit of a problem. The pdfs … |
| | wen i write the data to notepad,i get the result below: <SRT>,160,[COLOR="Red"]161,[/COLOR] NEW,1001,1001,CAAB IMS,OTHER,31-12-07,MYR,28-09-10,1111,A,4127288.4600,0.0000,31-12-07,0,AGF,MYR,100101 NEW,1001,1001,CAAB IMS,OTHER,31-12-07,MYR,28-09-10,1111,A,175000.0000,0.0000,31-12-07,0,AGF,MYR,102101 <END>,[COLOR="Red"]4302288,[/COLOR] wat i wan is like below: <SRT>,160,[COLOR="Green"]161[/COLOR] NEW,1001,1001,CAAB IMS,OTHER,31-12-07,MYR,28-09-10,1111,A,4127288.4600,0.0000,31-12-07,0,AGF,MYR,100101 NEW,1001,1001,CAAB IMS,OTHER,31-12-07,MYR,28-09-10,1111,A,175000.0000,0.0000,31-12-07,0,AGF,MYR,102101 <END>,[COLOR="Green"]4302288[/COLOR] i don't wan [COLOR="Red"](,)[/COLOR] behind 161 and 4302288 Hope hav sum1 can answer my question.Thanks... [CODE] For Each row In dt.Rows … |
| | Hi Guys, I just want some one to look over this for me really, and possibly can some one tell me how to call the function! as you can see below (VB.Net Code) this is running of a button and it will connect to SQL obtain the relevant information and … |
| | Hello friends, i'm new to this forum and my doubt is i'm having three text box and say for eg. textbox1.text, textbox2.text, textbox3.text. and we are giving 4.52 and 8.76 as input in textbox 1 and 2 respectively the actual output we obtain is 39.5952, but i should get it … |
| | hey everyone is it possible to set the opacity of a windows in a different application? any help would be massivly appreciated |
| | I'm trying to make a program that lets user to input an array of lastnames then firstnames. Then display the a list of firstname first, then the lastname. For example: Input: Smith, John : Doe, Jane displays like: John Smith Jane Doe This is what i got so far. [CODE]Module … |
| | hi guys.. i need to read tags using rfid reader. the reader is connected to the computer using serial port. can anyone advise me the codes for receving the tags data? i'm using microsoft visual studio 2005. thanks. your help is appreciated.:( |
| | I have created setup file of my program. I have tried to install it there in two pcs to test it that its working properly or not. One pc has visual studio & my program worked there after being installed but another pc doesnt have visual studio & my program … |
| | Please, How do I properly add a Winsock Control in WPF for purpose of LAN applications? I tried adding the Winsock control dynamically but then the event functions are not available then. Note: Using WindowsFormHost does not show in my WPF application. Help please! |
 | could any one help me how to make the label box as transparent....  |
| | i wan set a timer in my program to execute a certain function daily,weekly or monthly(which will decide by the user)!User also can execute manually the certain function at anytime! any1 can teach me how 2 do these 2 function in my program? thanks............ |
| | I have a form (vb.net, VS2010) which retrieves product orders and displays the result to a datagridview and text fields. I also have a combo box which displays a list of all products in a product file. I need to set the displayed text of the combo box to match … |
| | Hi All, Hope everyone is well, it has been a while since I last posted. I am creating a Yahtzee game, the first thing I want my game to do when it loads is ask for the player/players name/names, so that there scores can be saved to a high scores … |
| | hi all.. do anyone know how to add a new column in gridview using vb.net syntax? the column that i want to add is not bind to any database unlike the other column in the same gridview. i try to use GridView1.Columns.Add("Percentage") but it turn out to be error. the … |
| | Hi all, I'm making an application that reads RSS Feeds from several sites. Now I want it to put it in a ListView but I can't put it in the different columns. All the data goes to the first column and I don't want that, I want it to also … |
| | Hi, im using visual studio 2010, and for my recent assignment i am having difficulty when closing a text file. My program is to read in the data from a text file and then do some calculations and then output the result. My text file Measurements.txt looks like this: 5 … |
| | Hello folks, I am new to VB 2008 and right now I have been struggling a lot for updating access 2003 database from a VB 2008 desktop application. My problem is that I am unable to update the 'Status of the USER' to 'ACTIVE'. The problem is in the "setUsersOnline() … |
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