protected override void OnLoad(EventArgs e) { base.OnLoad(e); using (var context = new EverythingContext()) { var userList = context.Users; //获取所有权限管理系统的用户,并在下拉列表中展示 this.cboUser.Items.Clear(); foreach (User info in userList) { this.cboUser.Items.Add(info.Name); } } }
private void UserManage_Load(object sender, EventArgs e) { using (var context = new EverythingContext()) { var result = from user in context.Users join userRole in context.UserRoles on user.UserID equals userRole.UserID join role in context.Roles on userRole.RoleID equals role.RoleID select new { UserID = user.UserID, Name = user.Name, role.RoleName }; //var result2=from re in result group re by re.UserID into RoleNameList select new { // UserID=RoleNameList.Key, // Name=re.Name, // RoleNameList= RoleNameList //} //this.treeUser.DataSource } }