Microsoft Graph Client SDK - 按名称过滤组 [英] Microsoft Graph Client SDK -filter groups by name

问题描述

一个相当简单的问题，但我无法将查询图形的基本 httpClient 方法转换为 SDK 方法.我正在使用以下内容并且效果很好:

A rather simple ask but I'm having trouble converting my basic httpClient method of querying the Graph into the SDK method. I was using the following and it works fine:

    var filter = "IT";
    var response = await httpClient.GetAsync($"{webOptions.GraphApiUrl}/beta/groups?$filter=startswith(displayName, '{filter}')&$select=id,displayName");

...现在我正在尝试使用 SDK 进行过滤，如下所示:

...now I'm attempting to filter using the SDK as follows:

    var groups = await graphServiceClient.Groups
        .Request()
        .Filter($"displayName startswith {filter}")
        .Select("id, displayName")
        .GetAsync();

我也尝试过 .Filter($"startswith("displayName", {filter})) 和其他变体.

I've also tried .Filter($"startswith("displayName", {filter})) and other variants.

我收到一个无效过滤器子句错误.有什么想法吗?

I'm getting an invalid filter clause error. Any ideas?

推荐答案

显然是因为为 Filter 方法提供的过滤器表达式无效，可以这样验证:

Apparently it occurs since the provided filter expression for Filter method is invalid, it could be validated like this:

var message = graphServiceClient.Groups
        .Request()
        .Filter($"displayName startswith '{filter}'")
        .Select("id, displayName").GetHttpRequestMessage();

生成的 message.RequestUri 将返回以下值:

The generated message.RequestUri will return the following value:

https://graph.microsoft.com/v1.0/groups?$filter=displayName startswith '{filter}'&$select=id, displayName}

需要像这样指定有效的过滤器表达式:

A valid filter expression needs to be specified like this:

.Filter($"startswith(displayName, '{filter}')")

如果您想为 GraphServiceClient 类切换到 beta 版本，可以这样指定:

In case if you want to switch to beta version for GraphServiceClient class, it could be specified like this:

graphServiceClient.BaseUrl = "https://graph.microsoft.com/beta";  

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