我可以将相关表添加到 PowerApps Canvas 应用吗?

Can I Add Related Tables to a PowerApps Canvas App?

我继承了一个使用 SQL 服务器作为数据源的 PowerApps Canvas 应用程序。涉及的表是Customer、Project和Work Order。

我正在构建一个需要客户 ID、项目 ID 和工作订单项 ID 的创建工作订单屏幕。这些表具有外键关系。如何将所有必需的表添加为集合数据源?似乎 Canvas PowerApps 仅限于单个实体,但需要确认这一点。

看起来通过启用一些实验开关,你可以实现这个。

基本上,您必须添加额外的屏幕、数据源,然后使用简单的公式即可set/filter/choose 相关记录。

Reversing the Relationship: One-to-Many
For every Many-to-One relationship, there is a corresponding One-to-Many when coming from the other direction.  Making the One-to-Many relationship easily accessible is the feature we are introducing this week.
To get started, go to the File menu, App settings, Advanced settings, scroll to end of the list, and turn this switch on:

One-to-Many Relationships for Canvas apps