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Question

我创建了一个Web API并希望用postman检查它，但不知道如何发布我的实体模型。所以模型为null

我使用[FromForm]发送给我模型，但是所有值都为null并且当使用[Frombody]时 发送null

Answer 1

。your error is the CONTENT TYPE you're using to send the request ..您选择x-www-form-url-encoded（HTML FORMS的格式）.. BUT if you want to use WebAPI and send your Entity in the PAYLOAD of yours request via REST .. you have to set CONTENT - TYPE as application/JSON ..

所以in POSTMAN do:

1-选择类型RAW

2-选择显示application/json

的下拉列表

3- paste your JSON in the Text Area

4- send it

希望它可以帮到你!!