20,284 Topics
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| | Hi all, I am pretty new to VB.NET programming, and I am having trouble with a few tasks I am trying to attempt. Firstly, I have to (using Visual Studio 2010) access an MS Access databse, read one of the tables and ouput the 10 numbers which occurred most often …  |
 | I need to to this: If the selected option / item is "Enabled" I want to preview a textbox. I've tried this: If ComboBox6.SelectedItem = "Enabled" Then TextBox10.Visible = True Else TextBox10.Visible = False End If And also this: If ComboBox6.Text = "Enabled" Then TextBox10.Visible = True Else TextBox10.Visible = … |
| | I'm trying to make a program that has a world map on it and when you click on a continent you get some basic information about that continent in a textbox. However I am trying to figure out how best to do this if all continents were perfectly square it … |
| | What are the additional features can be added to the web browser which is developed in visual basic |
 | i really need a quick help with my code. when i debug the program no matter what the numbers in milage and Rate are the result is always 0 and here is my code: Public Class Form1 Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnCalculate.Click Dim …  |
| | hi frnds, i have a window based datagridview with examdate as one the editable datetime column .Now i want user to update or change the date to a fully valid format(dd:mm:yyyy) just on pressing enter key within the datagridview. A popup message must appear when user enter wrong date. Any … |
| | When i run my program there's an error in conn.open() and tells "Multiple-step OLE DB operation generated errors. Check each OLE DB status value, if available. No work was done." Please help me to solve this problem... Here's my code: Dim ds As New DataSet Dim dbSource As String Dim …  |
| | how to perform click on listview? when button is click listview will perform a click on first record of a listview  |
| | i want to add a label over progress bar to show the percentage of the completed task . i added the code : Label1.Parent = ProgressBar1 Label1.BackColor = Color.Transparent but now i can't see the label1 even. so how to make label1 transparent. |
| | how to select all item in listview? For i = 0 To lvList.Items.Count - 1 lvList.Items(i).Selected = True Next i PrintToolStripMenuItem.PerformClick() |
| | The problem is when i delete a records from the listview, it deleted but when i look unto database it doesn't deleted. Please help me solve this problem: Here's my recent code: Module1.connect() Dim sqlconn As New OleDb.OleDbConnection Dim Button = MessageBox.Show _ ("Are you sure you want to delete … |
| | The problem is it works updating the records but all records will gonna update... i want to update the selected records only.. I use Listview~! example column table: Processor Pentium(R) Intel(R) Dual CPU when I edit the Intel(R) into VGAgraphics, the Pentium(R) and Dual CPU will also change into VGAgraphics … |
 | Hello guys, I did appreciate this quick assistance, I have a .csv file and I want the lines in the file to be sorted using value in the first column and the write out the sorted file to another file Take an instance we have: ================================= 36,Line1 APPLE FRUIT 11,Line1 … |
 | Hi Dw I'm trying to create a program that I will use to browse through websites when I'm not connected to the internet and I can download the single page using the code I provide bellow but what I want is to download the entire website with it contents e.g. … |
| | Hi i have a datatable, dt3 showing: adminno paperno 111411H 4 111411H 9 182938C 2 192839A 3 111380Y 26 111380Y 36 111380Y 40 182737N 26 182737N 40 i want to populate: conflictingpaper numberof students adminno 4:9 1 111411H 26:40 2 111380Y 182737N ... .. .... ... i have these codes: … |
| | Hi, i have these codes: Dim dt3 As New DataTable dt3.Columns.Add("AdminNo", GetType(String)) '/*Add column AdminNo dt3.Columns.Add("PaperNo", GetType(Integer)) Dim curmodule As String = String.Empty For Each dr1 As DataRow In dt1.Rows curmodule = dr1("ModuleCode").ToString For Each dr2 As DataRow In dt2.Rows Dim found As Boolean found = False For i As … |
| | Hi, Basically, what I'm trying to do is that once the user has entered player names into two seperate text boxes, the user will then click the "Play" Button, this button will then change it's text to say "Quit". How would I go about doing so that once the button … |
| | Is there any way to show the highest value from a access db column in a textbox which you put in the load of a form? Found something by searching around, but did not get it to work at all. Maybe because i cannot open a connection in the load … |
 | Problem with group box. I had created a groups box. With objects inside it with small spaces between each. But when I run the program. The spaces of the objects inside the group box became large. Picture one shows the design phase. Pcture two shows the running phase.  |
| | I am trying to write an app that can be used by different users with different access levels. I have some buttons that I am using a Inputbox to ask for and verify the password. I would like the change them to a password char txtbox However, I dont know … |
 | Good days folks, I have a dgv where I have to select a text in a certain cell. For example in a cell there is a text like - "A SELECTED TEXT". What I want to do is when I highlight the word "SELECT" in "A SELECTED TEXT" it will …  |
| | how to dump mysql file to desktop using vb.net button |
| | Hi, Can anyone help me on how to serialize an inherited datagridviewtextboxcell? I had created a custom cell in which I had incorporated several customized properties and save it to binary file. <Serializable()> _ public class CustomTextboxCell Inherits Windows.Forms.DataGridViewTextBoxCell 'code goes here End Class SaveFile: Private Sub save() For Each … |
| | Sir, My DataBase field name "PerID" and "Imagepath" In DataGridview, I want to show "PerID" and Image (Not file path) |
 | hi, i have 12 groupbox in each tabcontrol page. And i want to keep all groupbox in same location of same size overlapping each other. I want to make one function and apply to all groupbox. So that my code wouldnot be lengthy. But i didnot get idea to do …  |
| | hi, i'm making a library database and if the user returned the book passed the due date given.i want to find the day difference and multiply that to a given fine amount.like this daydiff = due_date_of_book - date_returned fine_amount = daydiff * amount thanks in advance  |
| | I am having a database table which stores customers information which includes cutomers country as a column.now i want to convert the customer's country as a single word for example f a customer belong to united states i want to convert it as 'us' and want to dispaly it in … |
| | I'm trying to imitate the Windows 8 Start Menu preview'. Private Sub CornerHoverMouseOn() Handles CornerHover.MouseHover Dim CHL As Integer CHL = (Screen.PrimaryScreen.WorkingArea.Height - 100) CornerHover.Anchor = AnchorStyles.Bottom + AnchorStyles.Left CornerHover.Location = New Point(0, CHL) CornerHover.Height = 100 CornerHover.Width = 50 CornerHover.BackgroundImageLayout = ImageLayout.Stretch CornerHover.BackgroundImage = My.Resources.CornerHover End Sub Private Sub … |
| | I'm having hard time looking for a solution. :( How can i add tabs without duplicating it on the tabpages. I'm using list view to add tabs to the tabcontrol. These are my codes: Public Class frmMain Private Sub treeviewMain_NodeMouseDoubleClick(sender As Object, e As System.Windows.Forms.TreeNodeMouseClickEventArgs) Handles treeviewMain.NodeMouseDoubleClick Dim page As … |
 | im doing a program in vb6.0 and im using datagrid as my table for database. i want to print selected rows in datagrid... the system im working on is inventory system printing the selected rows..help me thanxx.. |
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