You want to make both texts one string and write that to the file.

swrStreamWriter.WriteLine(Me.textStudent.Text + " " + Me.textGrade.Text)

Also research the VB.Net String Functions for further...

If you are going to use the datasource approach, you'll have to modify the datasource variable and reset the datasource of the list.




Private path As String = "c:\"
Dim...

The reason the code doesn't work is because adding an item to a listbox using the .items.add is different than setting the datasource. They don't work together.

If you want to continue to use the...

Not really sure what you're trying to do, but to add a string from the textbox to the list it's as simple as:

lstdisplay.Items.Add(txtinput.Text)


Are you trying to add the contents of the...

while dr.Read()
idcombo.Items.Add(dr(0))
end while