20,284 Topics
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 | Hi, I’m writing a programme in VB.NET [B]2008 [/B]which uses an access database; I am trying to create a query which uses the value from a textbox say txtStudentNo, to query a DataGridView say grdInfo to only show the student with the entered student number. The problem I am having … |
| | I have been developing a few applications, one is a user database which allows users to log into other software using an email address and password. I have created an administration application which allows me to add users and edit accounts. In this application I have included a DataGridView control, … |
| | In a gridview, I have used AutoGenerateSelectButton. The page behaves exactly the way I want, but I would like to change the 'Select' button to a button style. Is there a way to do that? If yes, what is the code snippet. TIA, Michael  |
| | Lets say i do this to count the number of that particular hour: [code]If vDateTime.Hour > 0 And vDateTime.Hour < 24 Then Dim hour As Integer = vDateTime.Hour If hour = 0 Then hour = 24 End If count(hour, 0) = count(hour, 0) + 1[/code] Refer to the data below: … |
| | I might be in over my head since I've been taking VB.net for about 5 weeks now. However, I have been taking programming classes (c/c++) over the past year. My basic goal is to make a program like this one [URL="http://www.youtube.com/watch?v=EurGROIqZhg"]http://www.youtube.com/watch?v=EurGROIqZhg[/URL] The game is simple, click the ball and move … |
| | In one of my project, I need to use Visual Basic 2008 to get data from a machine using serial connection and then display the data into a GUI. I've never done anything with serial ports before so I'm totally lost. Can anyone give me some pointers or some sample … |
| | Hello everyone, I wondered if anyone had a VERY fast way of doing the following: Astring = "This is my test string that can be any length" Arraylist.add("whatever") Arraylist.add("whatever") Arraylist.add("whatever") Arraylist.add("whatever") Arraylist.add("whatever") Arraylist.add("whatever") Arraylist.add("whatever") What I want to do is compare the contents of the array to the string and … |
| | anyone knows what is option strict on is used for? or it means wat?  |
| | Hi, I need help with sending an email through gmail from a program. I substituted email adresses and passwords with generic names, this program works up to the last line where it fails to send the email. Any ideas as to why this may be? This is using [code] imports … |
| | I am developing a webservice here i ahve to give the url to the customer he will add the string to that url so that my service should update the database automatically.I had developed a small add method web service which takes two integers as input and gives added value … |
| | I am developing windows application in that application I am trying to send one XML file to the server, then server reply me one XML file which contain success status. Could any one tell me how to send & receive files using web services. I searched lot but I am … |
 | i have created one database in which there is one table **Supplier**, its **primary key is SCode**. i have one more table **Quotation**, in which i have created **SCode as Foreign Key**.nw i want to allow user **to select SCode from Combobox in Quotation table.** Format. hw 2 add databinding … |
| | Hi I am trying to populate a listview with all the hours of the day in 30 minute intervals. I can doing very basically from 0 to 24 with the following code: [CODE] Private Sub CreateTimeStep() For i = 0 To 25 Step 0.5 lstDays.Items.Add(i) Next End Sub [/CODE] but … |
| | Hello Everyone, I was hoping for some advice on my little problem as i'm a little stumped. I writing what is basically a telnet client using sockets in vb.net. The client works fine until I want to start parsing the received text for ANSI escape sequences(the ones that give colour). … |
| | Hi to every body, I want to make an application that having a lot of buttons, such as payment, view info, deliquent, reports, edit etc. In vba I already created by creating each button to call an individual form, like payment I made (frmpayment), for view info(frmview), for deliquent (frmdeliquent). … |
| | hi, im tinkering with vb.net 2008. Im trying to add two numbers then saving it to the table. The computation works but when I press the save button, i get this.. "[B] invalidoperationexception was unhandled[/B] " at [B][U]Me.TableAdapterManager.UpdateAll(Me.Computation_database_sampleDataSet)[/U][/B] can someone help me with this? if i learn how to fix … |
| | Hi I have a prob with my code. This way I get to see all the fields in table1 in the grid view but they hold no values! :( if u can help me make changes in this code..it will great! Imports System.Data.oledb Public Class Form1 Dim con As OleDbConnection … |
| | hey,Frnds I Have tried the Fill. Code,But the Foll. Code returns the no. of charcters of the File,But i want the File Size on Disk in KB. Can u Plz help me out. Imports System Imports System.IO Dim filelength As Long = 0 Dim objfile As New FileInfo("D:\Documents and Settings\Administrator\Desktop\URLs[1].txt") …  |
| | In my forms I have a tab control containing two pages, in tabpage1 (list view) tabpage2 (gridview) and a several buttons. my problem now is how to know that if the user hit a button then locate the active control or tabpage eaither tabpage1 or tabpage2. I intent that the … |
 | Hi Friends, I've chosen my mini project as Voice Recognition. basically i dont have any idea about voice recognition except Microsoft Speech SDK. It is well for english language, but i dont know how to use this for my language (Tamil - South Indian Language). Is this can be applicable … |
| | Hi! In most of my VB.NET applications, I connect to a MySQL database using a ODBC Connector for MySQL. In the code snippets posted by fellow members, I saw that OLEDB is also used to connect to a database. I want to know which one is better and faster for … |
| | Hi Friends, Do we can use vb.net to display omnicast Video ? I could not find this information? only some C# example. Any advice to use VB.net to create a API or library to do this job. Thanks, JIm |
| | Hi Everybody, Im making a kind of notepad in VB 2008. But the problem is ive maked an Form whith a trackbar and a Buttton, its supposed that the trackbar should be the opacity value. The trackbar is changed to rigth to left, It comes no errors it just wont … |
| | Hey guys/girls. I am a a student (entering second year) and am looking to raise some cash to get through tough uni times :) . I have just started up my own website on which I aim to help others learn .NET programming, and sell some of the software I … |
| | How to add multiple records from multiple table in Crystal Report |
| | Hello I'm writing my first ever VB program. I'm using 2 combo boxes to allow the user to select 2 different pieces of information. Is there any way that I can make my program automaticaly open the first combo box up at startup so the user can easily see what … |
| | Hi, I was just wondering if there is a way that: when the user highlights text (in a vb web browser object) then clicks a button; notepad is opened and the highlighted text is automatically copied to notepad. If someone could provide me with the code to do this, that … |
| | This is my code to load data from a database(SQL Server 2000) into a combo box. I keep getting the error [B]Name 'connString' not declared.[/B](the highlighted section of the code). I've tried posing this error in Google search but there are no answers. I am working in a software development … |
| | hi Im trying to rationalise my code as i feel i am doing the same thing a couple of times with different bits of code. What i am doing is query a db and putting the result into a dataset and then filling a datagrid with this dataset..Fine. now i … |
| | Hi I have the following code. I have 5 combo boxes and a check box. I want the application to respond for one combo box chosen and work even for several different values from the 5 combo boxes and same applies to the checkbox. I want to know if i …  |
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