20,278 Topics
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 | Hi All, Hopefully a quick one but I don't think it will be :( I have a piece of software which is a data logger and plays sounds when users have been inactive for a period of time etc... The software also plays a type of audio file upon a … |
 | Group, The SQL Server (I'm using the edition that comes with Visual Studio 2010 Express) is different in every aspect form the database(s) that existed in the UNIX based program I work with over the last 15 years. There is much to learn and understand. With that said, I've connected …  |
| | Ok sorry was kind of hard to explain my problem in the title. I got basically 3 forms. Form 1 and Form2 contain mostly the same fields. But Form 1 is used to enter data in the database. Form 2 is used to view and if needed edit data. Form …  |
 | Hi, Using button, How to undo the last click event? |
| | Hello, I want to make an application that can change the arrays of bytes, I want something that could look like this: If Button1.Enabled then arrayofbyte1("2g 7a 13") changes to ("a3 f7 11") Else arrayofbyte1("a3 f7 11") changes to ("2g 7a 13") I hope you understand what I want to … |
| | Hi! I need a help!! I'm currently working on an Online Election. Basically, what i want is to output the list of candidates in every position in my database. I output the list of the positions in a dynamic labels and the list of candidates in a dynamic dropdownlist. For … |
 | Hello guys, I'm working on my code vb.net to save data into access database. I'm kinda lost right now. Couldn't find the solution to the error. it highlight on dbcommand.ExecuteNonQuery() as state as the title problem. Here's my code. Appreaciate the help. ` Imports System.Data.OleDb Imports System.String Imports System.Windows.Forms Imports … |
| | Group, I have about 36 TextBoxes within one form in which I would like save the users entry. There will no need for this data to be save within a database as it will be used only one time. If it needs to be changed, I only want to overwrite … |
| | Hi all, I'm trying to make a form wich can make new users in a Access database. However, usernames can't be duplicate, but I can't seem to get the code to work so users can't enter 2 of the same entries. Can anyone help? Private Sub btnAanmaken_Click(ByVal sender As Object, …  |
 | I'm trying to do my Computing coursework, and every time I try to write an UPDATE statement in SQL, it tells me there is a syntax error in the statement. The connection is set up, I know, as other SQL statements like select statements work, but I can't work out … |
 | Good day, I would ask for your help, my code below is giving me an error whether I open my new window(application/form?) resulting to appearance of the error "Object reference...." first before the said application. What is the problem in this codes? Thank you for your help. =) Private Sub … |
 | i need some help how can you save the item in my textbox to the access database? For example i have Firstname.Text Middlename.text Lastname.text if i click the add button it will save it to my access database and also if i want to edit it and update it, how … |
| | I am trying to do a search on a datagridview from a string the operator enters into a textbox. I am searching the datagrid view on a sorted column of last names. I do not want to filter the datagridview. I would like the operator to be able to search … |
| | I have a program that creates a report in MS Word 2010 from a database. For each entry in the database it formats the data into a table in the word document. However the size of the table can vary if one entry has extraordinarily large field (some 'Memo' fields) … |
 | Hello fellow geeks, I have been working hard at preparing for my first vb.net programming competition (It's this tuesday!). Have any of you done any competitions before? if so. Do you have any advise for a first timer? I'm kinda nervous. |
| | Hi i wonder how can i delete my data using access as my database? for example i want to delete Dim con As New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0; Data Source='" & ConAccessDatabase & "';") Dim cmd As OleDbCommand cmd = New OleDb.OleDbCommand("delete * from [" & EBU2DB_LOB & "] where Brand ='" & … |
| | Good Day Vb.net geniuses! I would like to ask what is the easiest way to email the data's inside the datagridview? or if possible the whole table :) I searched some tutorials in the web but all of them are quite complicated. Any idea guys? |
| | Hi Guys.. Can any experts in Excel/C# Help me with this one? I think I'm nearly there. Currently I have a DGV on a windows form which pulls data from a Datasource. I want to export the findings to and Excel report template. I've managed to export the data into … |
 | Hi everybody, I am kind of new to vb.net and have some problems with images. Problem: I want apply an algorithm into 7500 images I need auto way if there any suggestion. after apply the algorith, each image should be saved back into same folder or any place else automatically. …  |
| | Hello, I am curious about starting to use XML concepts within my visual basic.NET applications. I have seen a few things on the internet, but I'm still a little confused on how to start using XML. I would really appreciate if someone could explain to me how to use XML. … |
 | I would like to make a program in which the user selects a time frame, for example if he selects from a DateTimePicker1 the time 7 (July), 17th, 2012 through DateTimePicker2 7 (July), 20th, 2012, and presses the button, a text will show up in a textbox from which he … |
 | Upon resizing an anchored combobox - I noticed the text was always selected. This sparked the initiative to fix this problem. (Microsoft decided not to) So by extending the combobox class we can fix this. The following class can be dropped into a form for designer manipulation or as a … |
 | We are running a code to trigger user for exceeding certain dates. The trigger have to be every 1hr post the 1st trigger. But the system triggers inconsistently right now. Any suggestion how to start & close the loop properly? dTime = Now + TimeValue("01:00:00") Application.OnTime dTime, "RunOnTime" |
| | how to insert image in picutrebox using webcam in vb.net  |
 | how do you make data in the database to appear on an applications textboxes  |
| | A lot of questions in the VB.NET forum are database related. Most of the code that gets posted result in one or more comments like "use parameterized queries to avoid SQL injection attacks". I won't describe the nature of a SQL injection because it is easily looked up via google. … |
| | Hi Guys, I've just started learning the multithreading in vb.net; Needless to say I'm facing issues. Please check the code written below as its not giving any output, it just hangs. Public Class Form1 Private Delegate Sub _invokeUIControlDelegate(ByVal errMsg As String) Dim Thread1 As New System.Threading.Thread(AddressOf doSome1) Dim Thread2 As … |
| | Hello, I am finishing up a program in VB that edits, saves, and adds data to a listview via textboxes. The listview data is stored on the harddrive via a txt file. One of the columns in the listview is a birthday in a DD/MM/YYYY format. I want to have … |
 | hi! can you please help me. I want to count all "OPEN" in my status column. im using access for my database. thank you!!!!  |
| | Hello Group! I've created a fairly large database with approximately 170 columns. I now want to begin writing data to that database table and saving the data. I'm using a form I'm calling "frmInventoryMasterSetup". I've also created the individual textboxes that I want to link to the columns for saving. … |
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