ado.net jin xin shu ju ku cao zuo

CSharp的一些例子，有错误的麻烦打架多多指教。-CSharp some examples, there is an error of trouble fighting exhibitions.

自制的一些C#常用控件dll， 有button radiobutton roundbutton等，外观精美-Self made some commonly used C# controls DLL, button RadioButton roundbutton, the outward appearance is exquisite