Trouble with posting XML data to ASP.NET MVC from Ajax

Question

I have problem sending XML data fron Ajax to ASP.NET MVC. Data is not sent. Ajax code:

`function SendXmlToServer(ServerXml) {
       $.ajax({ url: "/Home/XmlData",
           type: "POST",
            processData: false, 
           data: { ResXml: ServerXml }, dataType: "xml",
           success: function () {
               alert("Successful");
               return false;
           }
       })
   }`

ASP.NET MVC code:

[HttpPost]
    public ActionResult XmlData(string ResXml) 
    {   
        return null;
    }

Why ResXml variable has null?

Greg McCoy · Accepted Answer · 2013-04-25 19:21:08Z

0

The default model binding doesn't work with processData set to false. If ServerXml is a string of XML, removing this should make it work:

function SendXmlToServer(ServerXml) {
   $.ajax({ url: "/Home/XmlData",
       type: "POST",
       data: { ResXml: ServerXml }, dataType: "xml",
       success: function () {
           alert("Successful");
           return false;
       }
   });
}

You'll also have to add the ValidateInput attribute to your action method, because normally "HTML markup" isn't allowed:

[HttpPost]
[ValidateInput(false)]
public ActionResult XmlData(string ResXml) 
{   
    return null;
}

Alternatively, you could use custom model binding to seamlessly deserialize the XML, as explained in this blog post.

answered Apr 25, 2013 at 19:21

Greg McCoy

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