将View的base64图像发送到ASP.NET控制器

Question

I'm trying to send a base64 image from a View to a Controller.

I have the base64 stored in an input and I get it like this (working fine):

var photoBase64Captured = $('#txtPhotoBase64Captured').val();

Then in my View , I call the Controller and wait for a response:

$.get("@Url.Action("CheckFace", "User")", { base64: photoBase64Captured }, function (data) {

   var result = $.parseJSON(data);

   if (data != null) {

   }
});

When I try to call the Controller, I'm getting the following error in Chrome's console:

Failed to load resource: net::ERR_SPDY_PROTOCOL_ERROR

This is the Controller :

public async Task<ActionResult> CheckFace(string base64)
{

}

Any ideas why this is happening? Is the base64 too long to send to the Controller ?

If I send other values to the Controller it works fine, so it is not a problem of the method.

Answer 1

You need to use post for in this case. Image base64 to large for Get request.

$.post("@Url.Action("CheckFace", "User")", { base64: photoBase64Captured }, function (data) {

   var result = $.parseJSON(data);

   if (data != null) {

   }
});

[HttpPost]
public async Task<ActionResult> CheckFace(string base64)
{

}