System query options in a data service URI, defined in URI Format: Resource Addressing Rules (section 2.2.3) are directives that are defined by this document that a client MAY specify to control the amount and order of the data that a data service returns for the resource identified by the...
public static bool IsSystemQueryOption (string queryOptionName); 参数 queryOptionName String 查询选项的名称。 返回 Boolean true如果查询选项是 OData 系统查询选项,则返回 。 适用于 OData Web API ASP .NET Core 8.0.0 产品版本 OData Web API ASP .NET Core 8.0.0 IsSystemQueryOption(Str...
If you’re retrieving additional sets of data using thenextlink, you shouldn’t change the$topquery option value because this will cause unpredictable results. More information:OData: Filter System Query Option ($top) Unsupported system query options ...
ODatasystem query options, such as$filter,$orderby, are a set of query string parameters that control the amount and order of the data returned for the resource identified by the URL. In the latest version of ASP.NET Core OData, two new system query options as follows are enabled: $compu...
A data service URI with a $format system query option specifies that a response to the request SHOULD use the media type
System query options Custom query options Parameter aliases Conventions A query option is a set of query string parameters applied to a resource that can help control the amount of data being returned for the resource in the URL. A query option is basically requesting that a service perfor...
ODataQueryOptions 是让前段可以使用 $filter,$select 等来操控数据 它是配合整个请求来使用的。 上面看看我们在后台生产一个 ODataQueryOptions 的过程和使用它. 这东西不常用到。 我遇到的情况是如果要做一些权限,比如 $expand=colors , 而colors 有一些是当前用户不能访问的,那么我们可能需要增加一个filter $expa...
要仅使用全局选项验证查询,请传递一个空的ODataValidationSettings参数:
<QueryOptions><QueryOptionOption="$select"Value="Id,Name,Classification,RunningTime"/><QueryOptionOption="$filter"Value="contains(Name,'li')"/><QueryOptionOption="$orderby"Value="Name desc"/></QueryOptions> Important notes The OData specification prescribes that the same system query option mus...
///摘要://获取或设置允许在查询内部使用的查询参数。默认值为所有查询选项,包括 $filter、$skip、$top、$orderby、$expand、$select、$inlineCount、$format//和 $skipToken。///返回结果://返回 System.Web.Http.OData.Query.AllowedQueryOptions。 public...