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POAsyncFileUpload SerializationException
 

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  1. POAsyncFileUpload SerializationException
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    <p>I'm using the AsyncFileUpload control to upload images. It works fine from localhost, but when I uploaded it on server I get the following error.</p> <p>I can't even understand the reason of this error. I'll appreciate any answer.</p> <p><strong>This is the Method that I'm using</strong></p> <pre><code>protected void AsyncFileUpload1_UploadedComplete(object sender, AjaxControlToolkit.AsyncFileUploadEventArgs e) { string email = WriteYourEmailTXT.Text; var dt = new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day).ToString("ddMMyyyy"); string parentFolder = Server.MapPath("uploads"); string childFolder = parentFolder + "\\" + email + "\\"; if (!Directory.Exists(childFolder)) Directory.CreateDirectory(childFolder); string counter = getCount(); if (AsyncFileUpload1.HasFile) { string ext = getExtension(AsyncFileUpload1.FileName); string finalName = dt + "_" + counter + ext; string finalPath = childFolder + finalName; AsyncFileUpload1.SaveAs(finalPath); SetCount(); SetFileName(finalName); } } protected void SetCount() { HttpCookie aCookie = Request.Cookies["CountPhoto"]; int cookieNum = 0; if (aCookie != null) if (aCookie.Value != "") cookieNum = int.Parse(aCookie.Value.ToString()); string newvalue = (cookieNum + 1).ToString(); Response.Cookies["CountPhoto"].Value = newvalue; } protected void SetFileName(string fileName) { HttpCookie aCookie = Request.Cookies["FileName"]; var filename = ""; if (aCookie != null) if (aCookie.Value != "") { filename = aCookie.Value; } string newFileName = filename + "," + fileName; Response.Cookies["FileName"].Value = newFileName; } </code></pre> <p><strong>Error</strong></p> <blockquote> <p>Unable to serialize the session state. In 'StateServer' and 'SQLServer' mode, ASP.NET will serialize the session state objects, and as a result non-serializable objects or MarshalByRef objects are not permitted. The same restriction applies if similar serialization is done by the custom session state store in 'Custom' mode.</p> <p><strong>Stack Trace:</strong> [SerializationException: Type 'System.Web.HttpPostedFile' in Assembly 'System.Web, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' is not marked as serializable.]<br> System.Runtime.Serialization.FormatterServices.InternalGetSerializableMembers(RuntimeType type) +7733643<br> System.Runtime.Serialization.FormatterServices.GetSerializableMembers(Type type, StreamingContext context) +258<br> System.Runtime.Serialization.Formatters.Binary.WriteObjectInfo.InitMemberInfo() +111 System.Runtime.Serialization.Formatters.Binary.WriteObjectInfo.InitSerialize(Object obj, ISurrogateSelector surrogateSelector, StreamingContext context, SerObjectInfoInit serObjectInfoInit, IFormatterConverter converter, ObjectWriter objectWriter) +161 System.Runtime.Serialization.Formatters.Binary.WriteObjectInfo.Serialize(Object obj, ISurrogateSelector surrogateSelector, StreamingContext context, SerObjectInfoInit serObjectInfoInit, IFormatterConverter converter, ObjectWriter objectWriter) +51 System.Runtime.Serialization.Formatters.Binary.ObjectWriter.Serialize(Object graph, Header[] inHeaders, __BinaryWriter serWriter, Boolean fCheck) +410<br> System.Runtime.Serialization.Formatters.Binary.BinaryFormatter.Serialize(Stream serializationStream, Object graph, Header[] headers, Boolean fCheck) +134 System.Web.Util.AltSerialization.WriteValueToStream(Object value, BinaryWriter writer) +1577</p> <p>[HttpException (0x80004005): Unable to serialize the session state. In 'StateServer' and 'SQLServer' mode, ASP.NET will serialize the session state objects, and as a result non-serializable objects or MarshalByRef objects are not permitted. The same restriction applies if similar serialization is done by the custom session state store in 'Custom' mode.]<br> System.Web.Util.AltSerialization.WriteValueToStream(Object value, BinaryWriter writer) +1662<br> System.Web.SessionState.SessionStateItemCollection.WriteValueToStreamWithAssert(Object value, BinaryWriter writer) +34<br> System.Web.SessionState.SessionStateItemCollection.Serialize(BinaryWriter writer) +606<br> System.Web.SessionState.SessionStateUtility.Serialize(SessionStateStoreData item, Stream stream) +239<br> System.Web.SessionState.SessionStateUtility.SerializeStoreData(SessionStateStoreData item, Int32 initialStreamSize, Byte[]&amp; buf, Int32&amp; length) +72<br> System.Web.SessionState.OutOfProcSessionStateStore.SetAndReleaseItemExclusive(HttpContext context, String id, SessionStateStoreData item, Object lockId, Boolean newItem) +87<br> System.Web.SessionState.SessionStateModule.OnReleaseState(Object source, EventArgs eventArgs) +560<br> System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +68 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean&amp; completedSynchronously) +75</p> </blockquote>
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