相关疑难解决方法(0)

var profileImage = fileInputInByteArray;

$.ajax({
  url: 'abc.com/',
  type: 'POST',
  dataType: 'json',
  data: {
     // Other data
     ProfileImage: profileimage
     // Other data
  },
  success: {
  }
})

// Code in WebAPI
[HttpPost]
public HttpResponseMessage UpdateProfile([FromUri]UpdateProfileModel response) {
  //...
  return response;
}

public class UpdateProfileModel {
  // ...
  public byte[] ProfileImage {get ;set; }
  // ...
}

<input type="file" id="inputFile" />

//jQuery('input[type=file]').on('change', prepareUpload);

document.getElementsByTagName('input[type=file]').addEventListener('change',prepareUpload1,true);

/*
//this works in jQuery 

function prepareUpload(event)
{
  var files = event.target.files;
  var fileName = files [0].name
alert(fileName);
}

*/

/****Check it here ****/

// it does not work in javascript 


function prepareUpload1(event)
{
  var files = event.target.files;
  var fileName = files [0].name
alert("fileName 2 : "+fileName);
}

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<input type="file" />