从SQL数据库存储和取回保存的颜色 - 使用Color Dialogbox

I'm using Color Dialog in windows form to allow user to change colors. I want to store the color input in SQL database so that it is available when the user logs in again.I have also included 'BackColor' in my User table in SQL but do not know what to do next. This is my first project and I would appreciate any help. Thanks in advance! My C# code snippet-I'm using Color Dialog in windows form to allow