how to insert the values entered in the windows form into the mysql db and to display the selected/all values in the windows form

Question

Hi,

I have a winform which contains two text boxes(name,password), one dropdown list to select city, and one button.Now i want to know how to write the fields in the db table, and whats the code i need to write inside the button_click method inorder to insert the values i have enterd in the winform to db and retrive the row/rows based on a simple condition.I know how to connect into the database.