public FrmAccountSettingEdit(Sys_Accounts account) { InitializeComponent(); this.DataContext = this; MainAccount = account; MyTitle = account.AccountName == null ? "新增账户" : "编辑账户"; RoleList = new UserInfoBLL().GetRoleInfo(); SelectedRole = account.AccountName != null?RoleList.Find(p => p.ID == account.RoleID) : RoleList[0]; }