其中this.Login(user)的代码如下:
private void Login( UserInfo user )
{
FormsAuthentication.SetAuthCookie(this._loginID, false);
new LoginSystem().LoginLog(this._LoginUser,LogonType.On);
new OnLineSystem().UpdateSalesOnLogin(this._LoginUser);
IMainFrame mainFrame = new MainFrame();
mainFrame.OutputMainFrame(this.Response,this._ApplicationTitle);