Can't bind multiple parameters ('header' and 'parameters') to the request's content.

2019-01-23 15:46:29.012+08:00 ERROR [6]:
System.InvalidOperationException: Can't bind multiple parameters ('header' and 'parameters') to the request's content.
at System.Web.Http.Controllers.HttpActionBinding.ExecuteBindingAsync(HttpActionContext actionContext, CancellationToken cancellationToken)
at System.Web.Http.Controllers.ActionFilterResult.<ExecuteAsync>d__5.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at System.Web.Http.Dispatcher.HttpControllerDispatcher.<SendAsync>d__15.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Web.Http.Dispatcher.HttpControllerDispatcher.<SendAsync>d__15.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult()
at LISA.WebApi.Chile.Helper.CustomMessageHandler.<SendAsync>d__3.MoveNext() in C:\Users\clu\source\repos\Edenred\LISA_6.0.0.0\LISA.CMS.Chile\LISA.WebApi.Chile\Helper\CustomMessageHandler.cs:line 50
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at System.Web.Http.HttpServer.<SendAsync>d__24.MoveNext()

出现这个错误的原因是，我的controller/action。

action对应的方法，需要2个参数。但是post的时候，request body是一个json字符串。

 

在目前不做parameter binding的情况下，直接将2个参数更改为1个参数JObject obj。

然后在方法内部，对json字符串进行解析。

dynamic json = obj;
RedemptionInformationRequest parameters =
JsonConverter.DeSerializer<RedemptionInformationRequest>(json.parameters.ToString());

 

{
"header": {
"SecurityHash": "e1e7b4f072cfd5856a27a31640d5890bf3ccc5af7b5db810fc5e5906ee9f02bd"
},
"parameters": [
{
"TransactionId": "6117",
"Result": "Accredited"
},
{
"TransactionId": "6118",
"Result": "Accepted"
},
{
"TransactionId": "6119",
"Result": "Error"
}
]
}

json的数组是用[]表示的

 

作者:Chuck Lu    GitHub