public async Task <bool> RemoveAsync(Expression <Func <MenuInfo, bool> > express)
{
var spec = Specification <MenuInfo> .Eval(express);
return(menuManage.RemoveAt(spec) ? await context.SaveChangesAsync() > 0 : false);
}
public bool RemoveAt(ISpecification <Menu> ispec)
{
return(iManage.RemoveAt(ispec));
}