What is "_PID" ?
It's also a good to know that adding things to a CheckedListBox, ComboBox, & ListBox will call .ToString() on each item that shows in the list. If you're adding your own class be sure to Override the ToString() function so you can control what text shows in those controls.
That's not at all what I suggested.
Your query will be something like this:
I created a form and added 3 labels to it then paste this code:
Option Explicit On
Option Strict On
Option Infer Off
Friend Class Form1
Private m_LabelsList As List(Of Label)
Private Sub Form1_Load(sender As Object, e As EventArgs) Handles Me.Load
m_LabelsList = New List(Of...
Control arrays in the form designer isn't something .Net has ever supported as it's not needed.
If you really need to do a control array you can add the labels to the form then create a List(Of Label) variable and in the form's Load event set the List to a new instance and populate it with the...
My guess would be the first project you created a WinForms application and for the 2nd project you created a Console application, when you create a project you choose what type of program it's going to be (WinForms, Console, WPF, ASPX, etc).
To "fix" it you would need to create a new one, then...
I believe an "Alt + Enter" line break in an Excel cell is simply a LineFeed (LF) character which is Char(10) if I remember correctly.
If you replace the LF with String.Empty when you do the ReadLine() call it should resolve your issue.
I believe you need to add "Character Set=utf8;" to your connection string:
Me.IDsTableAdapter.Connection.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=|DataDirectory|\DataBaseApp.mdb;Persist Security Info=True;Character Set=utf8;Jet OLEDB:Database...
Have you looked up how to do printing in .Net?
There are hundreds of examples and tutorials, all you really need to do is find one you can understand and be sure to set the paper size and margins for the thermal printer/paper.
When you click on an item in the TreeView you change a couple of controls on your form, at least a Label and Textbox towards the top, that tells me you have code that does a lookup of what's selected in the TreeView to know what values to set those control's Text property to. You'd do the same...