how to retrieve values from a checkbox in a datalist???

Question

here is my html codes in .aspx

<%# trim(DataBinder.EvalContainer.DataItem, "EmployeeID"))%>

<%# trim(DataBinder.Eval(Container.DataItem, "EmployeeName"))%>

here is my coding in the .aspx.vb i've already bind the datalist inside my pageload.. the problem after the user has selected the checkboxes and clicks on the OK button, i want the system to retrieved those checked checkboxes value and display to the user. how do i do it?