For that you have to use Javascript enabled image uploading framework.You can use
DropzoneJS.
What is DropzoneJS ?
DropzoneJS is an open source library that provides drag'n'drop file uploads with image previews.
I have written an article about this.Please read it for more info.
DropzoneJS with ASP.net MVC
dropzonejs Home
UPDATE
Please try is as below and let me know if you have any issues.
Dropzone.options.uploadDropzone = {
paramName: "file1",
maxFilesize: 200,
maxThumbnailFilesize: 10,
success: function(file, response){
alert('success');
},
error: function(file, response){
alert('error');
},
};