public static bool Existed(this IQueryable <AspNetUserRoles> query, AspNetUserRolesPK key)
{
return(query.Any(
e => e.UserId == key.UserId && e.RoleId == key.RoleId));
}
public static AspNetUserRoles Id(this IEnumerable <AspNetUserRoles> query, AspNetUserRolesPK key)
{
return(query.FirstOrDefault(
e => e.UserId == key.UserId && e.RoleId == key.RoleId));
}