The JSON value could not be converted to System.Nullable`1[System.Int64]. Path: $.rx_id | LineNumber

Example: The main reason is that the null value types of the front and back end parameters are inconsistent. Here, the back end is defined as a long data type, and the front end is defined as a "" (empty string) string type, resulting in an abnormal type conversion.

 

 

Guess you like

Origin blog.csdn.net/weixin_64854388/article/details/130923659