我正在使用AsyncFileUpload控件上传图像。 它从本地主机正常工作,但是当我将其上载到服务器时,出现以下错误。AsyncFileUpload SerializationException
我甚至不明白这个错误的原因。我会很感激任何答案。
这是我使用
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;
}
错误
无法序列化会话状态的方法。 在“的StateServer”和“SQLServer的”模式, ASP.NET将序列化会话 状态对象,并且作为结果 非序列化的对象或 MarshalByRef对象不允许 。如果自定义会话状态存储库 以“自定义”模式执行的类似序列化为 ,则适用相同限制 。
堆栈跟踪: [SerializationException:类型 'System.Web.HttpPostedFile' 在 大会 '的System.Web,版本= 2.0.0.0, 文化=中性 公钥= b03f5f7f11d50a3a' 被 未标记为序列化的。]
System.Runtime.Serialization.FormatterServices.InternalGetSerializableMembers(RuntimeType 型)7733643个
System.Runtime.Serialization.FormatterServices.GetSerializableMembers(类型 型,的StreamingContext上下文)258
System.Runtime.Serialization.Formatters.Binary.WriteObjectInfo.InitMemberInfo() 111 System.Runtime.Serialization.Formatters.Binary.WriteObjectInfo.InitSerialize(对象 OBJ,ISurrogateSelector surrogateSelector,的StreamingContext 上下文,SerObjectInfoInit serObjectInfoInit,IFormatterConverter来 转换器,objectWriter objectWriter) 161 System.Runtime.Serialization.Formatters.Binary.WriteObjectInfo.Serialize(对象 OBJ,ISurrogateSelector surrogateSelector,的StreamingContext 上下文,serObjectInfoInit serObjectInfoInit,IFormatterConverter来 转换器,objectWriter objectWriter) + 51 System.Runtime.Serialization.Formatters.Binary.ObjectWriter.Serialize(对象 图表,部首[] inHeaders, __BinaryWriter serWriter,布尔FCHECK)410
System.Runtime.Serialization.Formatters.Binary.BinaryFormatter.Serialize(流 serializationStream,对象图, 部首[]标头,布尔FCHECK)134 System.Web.Util.AltSerialization.WriteValueToStream(对象 值,的BinaryWriter作家)1577[HttpException(0X80004005):无法 序列化会话状态。在 'StateServer'和'SQLServer'模式下, ASP。NET将序列化会话 状态对象,并因此 不可序列化对象或 MarshalByRef对象不允许 。同样的限制 适用,如果类似的序列化是 通过自定义会话状态存储在 “自定义”模式下完成。]
System.Web.Util.AltSerialization.WriteValueToStream(对象 价值的BinaryWriter作家)1662
系统。 Web.SessionState.SessionStateItemCollection.WriteValueToStreamWithAssert(对象 价值的BinaryWriter作家)+34
System.Web.SessionState.SessionStateItemCollection.Serialize(的BinaryWriter 作家)606
System.Web.SessionState.SessionStateUtility.Serialize(SessionStateStoreData 项目,溪流)+239
System.Web.SessionState.SessionStateUtility.SerializeStoreData(SessionStateStoreData 项,的Int32 initialStreamSize,字节[] & BUF,的Int32 &长度)72
System.Web.SessionState.OutOfProcSessionStateStore.SetAndReleaseItemExclusive(HttpContext的 上下文,字符串ID , SessionStateStoreData项,对象 lockId,布尔的newitem)87
System.Web.SessionState.SessionStateModule.OnReleaseState(对象 源,EventArgs的EventArgs的)560
System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep .Execute() +68 System.Web.HttpApplication.ExecuteStep(IExecutionStep 一步,布尔& completedSynchronously) +75
另外,您可以尝试通过IIS配置切换Web服务器上的会话处理方式,但是我会猜测这是无法控制的。 – 2009-11-10 16:52:54
非常感谢您的回答。这非常有帮助。 – StrouMfios 2009-11-12 17:59:50