Call parent Javascript function from inside an iframe

window.parent.rxTreeSelectNode(folderID);

rxTreeSelectNode - Your Function Name

Iframe set source or href using jquery

    var folderID = $(this).closest('[id]').attr('id');
                var url = 'UploadMultipleFiles.aspx?folderId=' + folderID;
                $('#myframe').attr("src", url);

asp.net access c# variable in javascript

1)  asp.net code behind
 public partial class UploadMultipleFiles : System.Web.UI.Page
    {
        public string eCabinetbaseURL = Functions.ToString(ConfigurationManager.AppSettings["eCabinetServiceUrl"]);

        protected void Page_Load(object sender, EventArgs e)
        {

        }
    }

2)  In Javascript function

 var eCabinetServiceUrl = '<%=eCabinetbaseURL%>';

Jquery get session value asp.net

var sessionId = '<%=HttpContext.Current.Session["SessionID"]%>';

jquery get Url parameters

function getParameterByName(name) {
            name = name.replace(/[\[]/, "\\[").replace(/[\]]/, "\\]");
            var regex = new RegExp("[\\?&]" + name + "=([^&#]*)"),
                results = regex.exec(location.search);
            return results === null ? "" : decodeURIComponent(results[1].replace(/\+/g, " "));
        }

Asynchronous file upload using jquery in asp.net without plugin

http://jqueryasp.net/asynchronous-file-upload-using-jquery-asp-net-without-plugin/

Could not load file or assembly System.Net.Http.Primitives. Located assembly's manifest definition does not match the assembly reference

Add


 <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
<dependentAssembly>
<assemblyIdentity name="System.Web.Extensions" publicKeyToken="31bf3856ad364e35" />
<bindingRedirect oldVersion="1.0.0.0-1.1.0.0" newVersion="3.5.0.0" />
</dependentAssembly>
<dependentAssembly>
<assemblyIdentity name="System.Web.Extensions.Design" publicKeyToken="31bf3856ad364e35" />
<bindingRedirect oldVersion="1.0.0.0-1.1.0.0" newVersion="3.5.0.0" />
</dependentAssembly>
<dependentAssembly>
<assemblyIdentity name="System.Net.Http.Primitives" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
<bindingRedirect oldVersion="0.0.0.0-4.2.29.0" newVersion="4.2.29.0" />
</dependentAssembly>
</assemblyBinding>


Remove <assemblyBinding  appliesTo="v.02" attribute

if attribute present it search for system.primitive dll with version 1.5. which is not present
else it loads System.Net.Http.Primitives with 4.2.29.0

Don't touch machine.config because its a heart of system server.
Doctor never opens patient's heart for chest pain.