[WebGet]
    public IQueryable<vw_providercharge_providers> GetChargeProviders(int submitted)
    {
        var results = (from p in this.CurrentDataSource.vw_providercharge_providers
                       where p.submitted == submitted
                       orderby p.fullname
                       select p);
        return results;
    }

感谢您的输入！

是的,这是WCF数据服务的WebGet方法.如果我没有返回IQueryable类型,我会收到400错误,所以我稍微修改了你的建议.不幸的是,它似乎仍然无视任何订单.

[WebGet]
public IQueryable<vw_providercharge_providers> GetChargeProviders(int submitted)
{
    var results = (from p in this.CurrentDataSource.vw_providercharge_providers
                   where p.submitted == submitted
                   orderby p.fullname
                   select p).ToArray();
    results.OrderBy(p => p.patientname);
    return results;
}