@Asim unless you are not showing what have you tried (and failed) this question might get closed.
You cant use SO to shop code, you should really tell us what trouble are you facing when doing so and so.
I have 6 combo boxes in c# form that all fill from database from same column.
i-e for making student result combo boxes fill subject names.
(Maybe it's just me though but strings change to often and are just scary for this sort of stuff.) For the enum suggestion possibly look at one of these links; Binding an enum to a Win Forms combo box, and then setting it Load values of enum type into a combobox Is it possible to load items from an Enum to a Combo Box in . Binding a Combo Box to an Enumeration I'm not sure which .