A sender of AjaxFileUpload events is fixed (Resolve #327) (#328)

Author: MikhailTymchukDX

AjaxControlToolkit/AjaxFileUpload/AjaxFileUpload.cs

@@ -253,7 +253,7 @@ protected override void OnInit(EventArgs e) {
                 return;
 
             var processor = new UploadRequestProcessor {
-                Context = Context,               
+                Control = this,
                 UploadStart = UploadStart,
                 UploadComplete = UploadComplete,
                 UploadCompleteAll = UploadCompleteAll,
@@ -522,19 +522,19 @@ static string GetGrandParentDirectoryName(string tmpFilePath) {
         }
 
         class UploadRequestProcessor {
-            public HttpContext Context;
+            public AjaxFileUpload Control;
 
             public EventHandler<AjaxFileUploadStartEventArgs> UploadStart;
             public EventHandler<AjaxFileUploadEventArgs> UploadComplete;
             public EventHandler<AjaxFileUploadCompleteAllEventArgs> UploadCompleteAll;
             public Action<string> SetUploadedFilePath;
 
             HttpRequest Request {
-                get { return Context.Request; } 
+                get { return Control.Context.Request; } 
             }
 
             HttpResponse Response {
-                get { return Context.Response; }
+                get { return Control.Context.Response; }
             }
 
             public void ProcessRequest() {
@@ -603,7 +603,7 @@ void XhrStart() {
                 var filesInQueue = int.Parse(Request.QueryString["queue"] ?? "0");
                 var args = new AjaxFileUploadStartEventArgs(filesInQueue);
                 if(UploadStart != null)
-                    UploadStart(this, args);
+                    UploadStart(Control, args);
                 Response.Write(new JavaScriptSerializer().Serialize(args));
             }
 
@@ -629,7 +629,7 @@ void XhrComplete() {
 
                 var args = new AjaxFileUploadCompleteAllEventArgs(filesInQueue, filesUploaded, completeReason);
                 if(UploadCompleteAll != null)
-                    UploadCompleteAll(this, args);
+                    UploadCompleteAll(Control, args);
                 Response.Write(new JavaScriptSerializer().Serialize(args));
             }
 
@@ -654,7 +654,7 @@ void XhrDone(string fileId) {
                     Path.GetExtension(originalFilename));
 
                 if(UploadComplete != null)
-                    UploadComplete(this, args);
+                    UploadComplete(Control, args);
 
                 Response.Write(new JavaScriptSerializer().Serialize(args));
             }
@@ -664,11 +664,11 @@ static string StripTempFileExtension(string fileName) {
             }
 
             void XhrCancel(string fileId) {
-                AjaxFileUploadHelper.Abort(Context, fileId);
+                AjaxFileUploadHelper.Abort(Control.Context, fileId);
             }
 
             void XhrPoll(string fileId) {
-                Response.Write((new AjaxFileUploadStates(Context, fileId)).Percent.ToString());
+                Response.Write((new AjaxFileUploadStates(Control.Context, fileId)).Percent.ToString());
             }
 
         }