I'd like to be able to reference the asp.net objects Session, Request, from a procedure without passing them in as parameters all the time. Is there a way to do this. For example, now I have
[Code]....
I'd like to call it like this "ContextPT.GetSession()" and have GetSession know how to find the Session object. I know this does not seem like a big deal in this case, but I have reasons.
Customer were getting "View State Validation Error" due to worker process recycling at our production webserver and to fix that i applied machinekey and then move my Session state Mode from In Proc to State Server to retain session data and not kick out the customer to relogin. I had serialization issue with one object which has to be stored in session but when i moved it out of session i could able to resolve the issue.
But doing all these i was partly successfull in keeping the user in their session when Worker Process recycle event occurs.I was able to refresh the page or make a post back by clicking the refresh button and also able to retain the session values. But the Problem occurs when sending asynchronous request to server which we do periodically every 15 minutes from the moment the user logs in.The web page doesnot update data on website when sending asynchronous request.By Debugging I found at this particular code point it fails to make a postback which is required.
<%=GetHintFromServer%> (When there is no Worker Process recycle i t gets replaced by
WebForm_DoCallback('__Page',message,ShowHint,null,null,false) on postback) Everything works fine when there is no Worker Process Recyling but when it happens looks like sending request asynchronously using javascript fails .Remember When I make a post back by manually clicking submit button everything works fine.
SendRequest(Asynchronous)
function SendRequest(msg, isBusy, chartMsg, vesselMsg)
{
try
{
//confirm("msg"+msg+"isBusy"+isBusy+"chartMsg"+chartMsg+"VesselMsg"+vesselMsg);
_busy = isBusy;
if(chartMsg != null)
{
//confirm("chartMsg"+chartMsg);
_element.SetMessage(true, chartMsg);
}
if(vesselMsg != null)
{
confirm("chartMsg"+vesselMsg);
_element.ShowVesselLoading(true, vesselMsg);
}
_stuckWatchdog = setTimeout( "ClearPendingRequest();", 60000);
var message = msg;
var context = '';
<%=GetHintFromServer%>
}
catch(e)
{
alert( "Exception error on SendRequest(): " + e);
}
}
Our Web Server rebooted due to power failure. Now ASP.Net State service would not start logging the following error on the server:
Unable to make the Session State Request to the session state server. Last known phase=Sending request to the state server
how to bring back the ASP.Net State service.
I have a number saved in session and am using it in a bunch of pages right now, and I was wondering if I could somehow access this session in my WebService.asmx file? It would be great since then that way I can fix my auto complete extender. I know I can use contextKey, but I am using that contextKey for something else. If session isn't possible in web service, then is it possible to use two contextkeys in auto complete extender, and how?
View 1 RepliesI have noticed that when I have a session that has expired, the Session_OnStart event fires with every new request.
I suppose that this behavior is not normal, because I was expecting that the session would re-start only with the first request and not with every subsequent request.
This behavior occurs only with sessions where the timeout period has been exceded.
The current conditions under which I have experienced this problem are:
I have experienced this problem with an application that is using the .NET 2.0 framework and with a session mode configured to InProc. This problem is happening both on Windows XP SP3 and Windows 2003 Server.
How to access session variable in the class?
View 5 Repliesmy solution currently has a website project and a class library project. I am attempting to access a session object from my class library but it is always returning null. In a settings class in my class library I store these values like so:
private static SessionProperty<WebUser> _currentUser = new SessionProperty<WebUser>("CurrentUser", delegate { return new WebUser(); });
public static WebUser CurrentUser
{
get { return _currentUser.Value; }
set { _currentUser.Value = value; }
}
I can access this just fine from any aspx page codebehind like so:
Settings.CurrentUser.User.ProviderUserKey.ToString();
However, if I attempt to do the same thing from a class in my classlibrary project it always returns null.
I want to use session in thread class but it return null in parent that is the page class.
View 4 RepliesSessionStateModule raises a Start event with a new seesion. Is there a pointer to "deep dive" information?
In particular,
(1) I want to preserve Session state information across a postback to external (web-based) services in my VS 2008 development environment, but am finding that my code is triggering the creation of a new session.
(2) I am using IIS to host WCF Service calls, and it appears that many of those calls trigger the creation of a session. I would like to dive deeper into this, and try to manage (reduce) the number of sessions that are created and their behavior.
I'm trying to save a custom class in a session, but it just never gets saved, along with other sessions. Note that my SessionMode = STATESERVER, and i cannot change it to INPROC as per our business requirement. This is my class
/*******START*******/
[Serializable]
public class User : ISerializable
{
private int _userId;
public int UserId
{
get { return _userId; }
set { _userId = value; }
}
//custom class
private TDB.tdbUser _tdbUserDetails;
public TDB.tdbUser tdbUserDetails
{
get { return _tdbUserDetails; }
set { _tdbUserDetails = value; }
}
//collection of custom class Sites
private List<Sites> _assignedSites;
public List<Sites> AssignedSites
{
get { return _assignedSites; }
set { _assignedSites = value; }
}
public User()
{
//Constructor code
}
/******SERIALIZATION*****/
protected User(SerializationInfo info, StreamingContext context)
{
this._userId = (int)info.GetValue("_userId", typeof(int));
this._assignedSites = (List<Sites>)info.GetValue("_assignedSites", typeof(List<Sites>));
this._tdbUserDetails = (TDB.tdbUser)info.GetValue("_tdbUserDetails", typeof(TDB.tdbUser));
}
[SecurityPermission(SecurityAction.LinkDemand, Flags = SecurityPermissionFlag.SerializationFormatter)]
void ISerializable.GetObjectData(SerializationInfo info, StreamingContext context)
{
info.AddValue("_userId", this._userId);
info.AddValue("_assignedSites", this._assignedSites);
info.AddValue("_tdbUserDetails", this._tdbUserDetails);
}
}
/*******END*******/
The calling code is just this: (User)HttpContext.Current.Session["TDBUSER"];
i make a web site using frame but session is expire message is
Object reference not set to an instance of an object
Description: HTTP 500. Error processing request.
Stack Trace:
System.NullReferenceException: Object reference not set to an instance of an object at System.Web.UI.Control.OnLoad (System.EventArgs e) [0x00000] in <filename unknown>:0 at System.Web.UI.Control.LoadRecursive () [0x00000] in <filename unknown>:0 at System.Web.UI.Page.ProcessLoad () [0x00000] in <filename unknown>:0 at System.Web.UI.Page.ProcessPostData () [0x00000] in <filename unknown>:0 at System.Web.UI.Page.InternalProcessRequest () [0x00000] in <filename unknown>:0 at System.Web.UI.Page.ProcessRequest (System.Web.HttpContext context) [0x00000] in <filename unknown>:0 My Web Config file is<configuration> <!-- store the database connection info here --> <appSettings> <add key="sBook_StoreDBConnectionString" value="Provider=Microsoft.Jet.OLEDB.4.0;User ID=Admin;Data Source=C:Program FilesCodeChargeExamplesBookStoreBookStore_MSAccess.mdb;Persist Security Info=False" /> </appSettings> <system.web> <httpRuntime executionTimeout="1000" maxRequestLength="2000000" /> <!-- DYNAMIC DEBUG COMPILATION Set compilation debug="true" to enable ASPX debugging. Otherwise, setting this value to false will improve runtime performance of this application. Set compilation debug="true" to insert debugging symbols (.pdb information) into the compiled page. Because this creates a larger file that executes more slowly, you should set this value to true only when debugging and to false at all other times. For more information, refer to the documentation about debugging ASP.NET files. --> <compilation defaultLanguage="c#" debug="true" /> <!-- CUSTOM ERROR MESSAGES Set mode="on" or "remoteonly" to enable custom error messages, "off" to disable. Add <error> tags for each of the errors you want to handle. --> <customErrors mode="Off"/> <!--<customErrors mode="On" defaultRedirect="Login.aspx"> <error statusCode="500" redirect="Login.aspx"/> <error statusCode="404" redirect="Login.aspx"/> <error statusCode="403" redirect="Login.aspx"/></customErrors> --> <!-- AUTHENTICATION This section sets the authentication policies of the application. Possible modes are "Windows", "Forms", "Passport" and "None" --> <authentication mode="None" /> <!-- APPLICATION-LEVEL TRACE LOGGING Application-level tracing enables trace log output for every page within an application. Set trace enabled="true" to enable application trace logging. If pageOutput="true", the trace information will be displayed at the bottom of each page. Otherwise, you can view the application trace log by browsing the "trace.axd" page from your web application root. --> <trace enabled="false" requestLimit="10" pageOutput="false" traceMode="SortByTime" localOnly="true" /> <!-- SESSION STATE SETTINGS By default ASP .NET uses cookies to identify which requests belong to a particular session. If cookies are not available, a session can be tracked by adding a session identifier to the URL. To disable cookies, set sessionState cookieless="true". --> <sessionState mode="InProc" stateConnectionString="tcpip=localhost:42424" cookieless="false" timeout="60" /> <!-- GLOBALIZATION This section sets the globalization settings of the application. --> <globalization requestEncoding="utf-8" responseEncoding="utf-8" /> </system.web> <connectionStrings> <add name="mydb" connectionString="Server=localhost;User=SYSDBA;Password=datacenter;Database=/opt/db/erp2.fdb;Min Pool Size=5;Max Pool Size=60;Connect Timeout=30" providerName="FirebirdSql.Web.Providers" /> <add name="mydb2" connectionString="Server=localhost;User=blackberry;Password=acgmkRMS;Database=/opt/db/pwd.fdb;Min Pool Size=5;Max Pool Size=60;Connect Timeout=30" providerName="FirebirdSql.Web.Providers" /> </connectionStrings></configuration>
I am working on a site in which some pages are to be run on secured server(ie https) & some on non-secured(ie http) eg Login, User Information, etc. will be run under https & View cart, etc. are to be run on http. Now, when user chooses some products in his cart, he is prompted to enter login details. After he fills in his login detail(ie in https), he is redirected to Checkout. But here the Session doesn't picks the value and it shows Session[UserID] value null. So, rather then redirecting to Checkout it shows MyAccount page. Does anyone know how to pass Session Value from https to http.
View 3 RepliesHave not run the ASP.NET Development Server for a while. Today I copied a production website to my workstation and ran it with VS 2008. The following error message popped up. What is the problem with the ASP.NET development Server on my workstation? The website on the Production server still ran okay.Unable to make the session state request to the session state server. Please ensure that the ASP.NET State service is started and that the client and server ports are the same. If the server is on a remote machine, please ensure that it accepts remote requests by checking the value of KEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesaspnet_stateParametersAllowRemoteConnection.
If the server is on the local machine, and if the before mentioned registry value does not exist or is set to 0, then the state server connection string must use either 'localhost' or '127.0.0.1' as the server name.
i want to use session to store some information for a form(ascx and ascx.cs file) im using asp.net, c#, and visual studio 2005 , i included "using System.Web.SessionState;" but session is not a key word in visual studio intellisense. and also, i researched a little and found that many people are using "using System.Web.SessionState.HttpSessionState;" and the HttpSessionState is not in the intellisense as well. so which other classes or libraries should i using in order to use session?
View 3 RepliesI read the solutioin for this error, at the following link :http://forums.asp.net/p/1046935/1576341.aspxbut I am still not clear what exactly causes the error. I have two doubts :1. Can anyone please elaborate a bit on this issue, with any example ????2. Is there any drawback of this approach ?
View 4 RepliesI am doing a POC of making my website run faster. Currently it stores huge object data in Session while passing information from one page to another. What I was thinking is to use shared methods and properties instead of session. It works, but wanted tocheck if this is an optimum way to do it. Below is the code that does not use session but still pass object data from one page to another:
[code]...
In C#, How do you pass the Session[] and Request[] objects to a method?I would like to use a method to parse out Session and Request paramaters for a .aspx page to reduce the size of my Page_Load method. I am passing quite a few variables, and need to support both POSTand GET methods. For most calls, not all variables are present, so I have to test every variable multiple ways, and the code gets long...This is what I am trying to do, but I can't seem to properly identify the Session and Request paramaters (this code will not compile, because the arrays are indexed by number)
static string getParam(
System.Web.SessionState.HttpSessionState[] Session,
System.Web.HttpRequest[] Request,
string id)
[code]...
I am new to .net 4.0 and am using EF Model and SessionState Mode=SqlServer and I am getting this error below:
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.
I checked the stack trace and its complaining about
[assembly: global::System.Data.Objects.DataClasses.EdmSchemaAttribute()]
[assembly: global::System.Data.Objects.DataClasses.EdmRelationshipAttribute("PoplarGroveModel", "tblMenuRole", "tblMenu", global::System.Data.Metadata.Edm.RelationshipMultiplicity.Many, typeof(PoplarGroveDataModel.Menu), "tblRole",
[Code].....
I marked it as serializable but then it complains about System.Data.Objects.ObjectContext is not marked as serializable and hence throws the same error.
Our ASP.NET App uses ASP State Session Management and has been rebuilt about 2 years ago [With .NET Framework 2.0]. We are currently in .NET framework 3.5 and have moved to SQL Server 2008 - but continue to use the same ASPState database. The State database has been upgraded to SQL Server 2008. Since then we have are seeing timouts/locks on ASPStateTempSessions table. I am wondering if we have to rebuild this database from scratch with some newer scripts?
View 2 RepliesI'm using the following line of code to display the number of users currently logged on:
lblNoOfUsers.Text = Membership.GetNumberOfUsersOnline().ToString()
I'm still debugging my application so it's on the local server. As I debug and stop then debug again, eventually lblNoOfUsers.text turns to "0" instead of "1", even as I'm navigating my application. It only turns to "1" again if I log out and sign back in. It's almost as though Membership.GetNumberOfUsersOnline my login are referencing two different session states. How is this possible? Does asp.net create a new session state cookie each time I start debugging?
I am trying to set a session variable in the global.asax file and keep running into the problem that the Session is null.
I am running my application in VS2008 and using asp.net 3.51.
Here is my code:
1. In my web.config file I have enabled the session state and added the following line;
<sessionState
cookieless="false"
mode="InProc"
timeout="60"
></sessionState>
2. In the Session_Start procedure in the Global.asax file I set the session variable to a default value.
[Code]....
My problem seems to be that when the Application_Error procedure is executed the session state is lost.
Does anyone know why the session state isn't available in the Global.asax file.
All we have a global ships position tracking website which runs smoothly until IIS application pool recycles.When there is workerprocess recycling looks like session state expires as a result i loose all session data and when customer clicks refresh button he is redirected to login page.
In web.config Session state mode is set to InProc so i changed it to State Server but to my luck i have MAP object which is not serialiazable which is causing the maps from not appearing on the website.I tried adding serializable attribute to the object class but still not succesfull.Our website is accessed by our customers whose count is more than 1000.
Changing the session state mode from InProc to StateServer can really slow down the response time so
Is it good to go further fix the serailizable issues and move to state server?.
Is there any way I can retain my session data when application pool recyles?..
Stopping Application pool from recycling may not be a good idea considering health factor of web server.
I have a clear button and a textbox in an aspx page. I set the session variable in this page as
String str = Textbox1.Text;
Session["TypeIds"] = str;
and I clear the sessions in a clear button event as
Session["TypeIds"]=null;.
Then when the user types some value in the textbox ,on Response.Redirect on another aspx page, the session variable returns null values.It does not retain its session state. The session state has to be maintained in the next page. Is it because this clear button event and setting explicitly to null creates this problem?
The fix for this error message is to run [Code]..... I have run that uptown, downtown and in my lady's chamber and it does no good, although it never complains. Are there any other possibilities?Details:
IIS Server: v5.1 running on XP. SQLServer 2005 running on a different XP box.Microsoft .NET Framework Version:2.0.50727.3615; ASP.NET Version:2.0.50727.3618 There is an ASPState database on the server, containing only two tables: [Code].... and [Code]..... I did not use [Code].... when I ran [Code]....
.
I am building a web app that is limited to one database, therefore I cannot use the ASP.NET config tool. As a quick means of getting this app online, I tried to use a simple session variable. The login page verifies the user's credentials, and if they pass, it sets the session variable to a certain value. All other pages check in the page_load event whether or not the session variable is equal to that value. The problem is that once being logged in for a short while and sending and recieving some data, the session variable resets, and I'm returned to the login page to repeat the process. Here's the basic code from my webforms:
[code]....
Is there some setting I need to change in the web.config file to adjust the cookie timeout or is that only for the config tool authentication methods?