program to make listbox and connect with database table

Question

Write a code in C# language on Windows form application in which Add 3 buttons, a textbox and a list box on form which do the following: 1) . When user click the button1 the list box show all the items of a database table column. 2) When use click on the second button, it deletes the selected item from list box(not database). 3) When user write something in textbox and click on button3 it insert the content of text box to database and in list as well.