public List <RolePermission> AddRolePermission(RolePermissionViewModel userRole) { var userRoles = new List <RolePermission>(); foreach (var item in userRole.PerIds) { var data = new RolePermission(); data.PerId = item; data.RoleId = userRole.RoleId; userRoles.Add(data); } _rolePermission.AddRange(userRoles); SaveChanges(); return(userRoles); }