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I have Uploaded data in cross browser using **AWS instance** sucessfully.But when I am trying to do the same on **windows Azure** I got the following error:

**Cross-Origin Request Blocked: The Same Origin Policy disallows reading the
remote resource. This can be fixed by moving the resource to the same domain
or enabling CORS**

My Post method is given below :

JavaScript
$.ajax({
                type: 'POST',
                crossDomain: true,
                url: 'http://dplannerpython.cloudapp.net:8888/upload',
                data: form_data,
                contentType: false,
                cache: false,
                processData: false,
                async: true,
                success: function (data) {                   
                   
                    alert("Upload Successful! You can run a job once the data is configured");                    
                },
                error: function (xhr, ajaxOptions, thrownError) {
                    alert(xhr.status);
                    alert(thrownError);
                }
            });
Posted
Updated 14-Apr-16 23:52pm

After enabling Cors option please change your web.config as follow.

XML
<system.webServer>
  <httpProtocol>
      <customHeaders>
        <add name="Access-Control-Allow-Origin" value="*" />
        <add name="Access-Control-Allow-Headers" value="Content-Type" />
        <add name="Access-Control-Allow-Methods" value="GET, POST, PUT, DELETE, OPTIONS" />
      </customHeaders>
    </httpProtocol>
 <ModSecurity enabled="false" configFile="C:\inetpub\wwwroot\owasp_crs\modsecurity.conf" />
    <validation validateIntegratedModeConfiguration="false" />
    <handlers>
      <remove name="ExtensionlessUrlHandler-Integrated-4.0" />
      <remove name="OPTIONSVerbHandler" />
      <remove name="TRACEVerbHandler" />
      <add name="ExtensionlessUrlHandler-Integrated-4.0" path="*." verb="*" type="System.Web.Handlers.TransferRequestHandler" preCondition="integratedMode,runtimeVersionv4.0" />
    </handlers>
   
  </system.webServer>
 
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You have not shared your API Code but check below EnableCors() method and if it is not implemented then implement it.


C#
public static class WebApiConfig
{
    public static void Register(HttpConfiguration config)
    {
        config.EnableCors();




Thanks
Rushi
 
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