Getting Method For Loading CheckedListBoxes And Saving Checked Items To List?

I gather case info from a DB table into a list(of T) list and display it in a checkedlistbox. When an item in the checkedlistbox is selected (highlighted, not checked), the selectedindexchanged event then retrieves account information from the DB for that case and loads the different accounts for that case in another checkedlistbox.

My issue is figuring out the best way to save the different items that are checked in the accounts checked list box. Since the accounts are loaded dynamically given the selected item in the cases listbox, what would be the best way to save which accounts are selected for each case?Below is my current method of loading the listboxes and selectedindexchanged procedure. I'm fairly new to programing and this is how I was taught load most controls, by list after saving to the list from the DB (which gets very complicated when you have to keep relations between items in separate lists).

Private Sub btnSearch_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSearch.Click
Dim CasesList As New List(Of String)
CasesList = Db.GetAccounts(CDbl(txtAccountBalance.Text))

[code]....