C# - Determine Where The User Came From In Asp.net?

Jul 2, 2010

How can I determine where a user came from when they land on my webpage.Did they come from a google link?Did they user a favorites link?Did they type in the url?

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How To Determine User Control Parameter At Runtime

Oct 26, 2010

I have a user control which I call like this:

<MyNamespace:MyControl runAt="server" ID="foo" /> Is there any way I can determine the ID parameter at run-time and pass it in?

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C# - How To Let Web-user-control Determine Automatically The URL Of The Page

Nov 30, 2010

NavigateUrl='<%#string.Format("~/PLayer.aspx?ID={0}&Type={1}",Eval("arrange_by_id"),Eval("value"))%>'><%# Eval("value")%></asp:HyperLink>

I've implemented this string format in my NavigateUrl to pass a dynamic querystring depending on the clicked item!

but you see the first part in the string format where it says "~/PLayer.aspx" i want the user control to automatically change this part according to where it's placed!

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DataSource Controls :: Determine If A User Already Exist ?

Mar 6, 2010


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State Management :: Trying To Determine The Previous Page Of A User?

Feb 9, 2011

Ok so I am working on a control that when the user comes from a specific website then it will be a certain action. What would be the easiest way to do this?

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Way To Determine If User Can Access Database Generated Page

Jan 11, 2010

I have Membership, Profile and Role providers setup for my .NET MVC website. I would like to say: this Role has access to that Page. How do I 'inject' this code to the RoleProvider? Or do I have to override it somehow? Any leads?(Roles are stored in the default ASP.NET SqlRoleProvider, Pages are stored in a seperate SQL database).

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Determine If Authenticated User Can Access Page Or Directory?

Oct 27, 2010

I need to check if an authenticated user is authorized to access a directory. I have done this before with a base class library method, I just cannot remember what class it's part of or what it's name was. I think the method was a static method and the class may have had the word Utility in it's name, but I just can't remember or find it on the net. BUT I KNOW I HAVE USED IT! The method definition was something like:

bool SomeTypeWithTheWordUtilityInTheNamePossibly.VerifyUserIsAuthorized(Principal user, string virtualPath)

I'm not using a roles provider in this application and I'm not planning to.

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Security :: Determine User Signout, Or Page Close?

Feb 26, 2010

Im working on a website where users can log into a members area, inside this area they will be able to communicate with other members.

In order to keep an accurate list of who is online and who is not, I would need to update a IsOnline field in my database when they log on and when they exit my website..

The login part is easy, but how can I determine if someone is leaving my website to go to another, or closing the browser.

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C# - Determine If A JavaScript File Is Already Included Via User Control?

Jan 20, 2010

I'm building several user controls (ASCX) for my website and several of them are very similar in what they do. (As a side note, I must create unique UC's even if they're similar because I'm creating widgets for the new Telligent Community themeing system). For example, two of them are different but use the same front-end code to create a 2 or 3 tab panel where you can click a tab and it changes the data below. I have a single JS file to handle these tabs and the animations. I'm currently dynamically adding my JS file reference to the <head> from the user controls' code via:

Literal jsFile = new Literal();
jsFile.Text = string.Format("<script src="{0}"></script>", "/community/themes/test/js/tabbedCallout.js");

If I have both of these controls on a page though, both will add this JS file reference. How can I do a check to see if it is already added from another control?

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SQL Server :: How To Determine If Database Is In Single Or Multi User Mode

Jul 29, 2010

I found lots of sites telling me how to put a database into single user mode, but how can I determine what mode a database is currently in?

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MVC :: Custom Membership / Role Provider Works But Seems Unable To Determine User Roles

Apr 26, 2010

I created a custom forms authentication and membership provider and it seems to work fine opening up in WAT, creating roles and adding users. Also when I in my mvc app use it to log users in, it works fine. However it seems to fail to determine a user's role (no errors, but just jump over User.IsInRole(...) lines and Roles.GetRolesForUser(); comes up empty. I got a gut feeling I did something wrong with my configuration, so for now I'll post just that:


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Web Forms :: Determine If User Clicks Open / Save Or Cancel On A File Download?

Dec 21, 2010

I have a webpage that allows a user to download a specified file. When the file is ready to be fully downloaded (i.e I call the HttpResponse.End or HTTPRepone.Flush) the user is presented with a File Download dialogue.

Is there any way to determine what option the user has selected?

Have they Opened, Saved or Cancelled the File Download once the Flush or End has been sent?

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AJAX :: Determine If User Control Is Contained By The Update Panel That Triggered Async Postback?

Sep 16, 2010

Does anyone know a simple way to determine if a user control is contained in an update panel that was triggered for async postback?

At the moment, the only pseudo logic for this I can think of is?

'Loop through the update panel controls on the page and find the one that is involved in the postback (isInPartialRendering)

'Try to find the user control as a child of the update panel

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Determine "user Logout" On IIS Server In C#?

Jan 13, 2010

What is the best way to determine "user logout" on IIS server in C#/Asp.Net?

I have an application where the logged in users can initiate long running activities on the server. Those activities need to be terminated when the user logs out.

It is not a problem when the user clicks on the logout, but how do I determine that the user has logged out for example in cases like the user's browser crash, user looses his connection etc.

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C# - How To Determine Up/down Latency Of A Web App

May 20, 2010

I am trying to work out how to calculate the latency of requests through a web-app (Javascript) to a .net webservice.

Currently I am essentially trying to sync both client and server time, which when hitting the webservice I can look at the offset (which would accurately show the 'up' latency.

The problem is - when you sync the time's, you have to factor in latency for that also. So currently I am timeing the sync request (round trip) and dividing by 2, in an attempt to get the 'up' latency...and then modify the sync accordingly.

This works on the assumption that latency is symmetrical, which it isn't. Does anyone know a procedure that would be able to determine specifically the up/down latency of a JS http request to a .net service? If it needs to involve multiple handshakes thats fine, what ever is as accurate as possible.

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Determine Which Web Server Is Being Used?

Jan 13, 2011

I have a web app (ASP.net with VB.net) that will run on one of three web servers. I would like to know, at run time, which web server the app is on. How can I determine which web server the app is on?

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How To Determine Count Of Tag

Mar 10, 2010

I have a bit of xml file named Sample.xml which is shown below


i have button named submit(button1).If i click that button i need to display the count in a text box named textBox1, means How many PartitionName="AIX" is belonging to Type="NIC"

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Determine The State Of Checkbox?

Dec 21, 2010

I made some adding of dynamic checkbox and it would be located in the panel. And at the same time the checkbox would be save also in my List(Of Checkbox).

BTW, my checkbox is not the HTML control (if that's how you call it). Now i made some function wherein Im going to get all the state of my checkbox in that particular panel. This is how I do it:


For Each ctrl As Checkbox In listControl
if ctrl.checked = true then
' code here
end if

Unfortunately nothing happen. So how am I going to check the state of my checkbox. I already test all the checkbox saved in my list(of T) and also tried looping "Me.pnlControl.COntrols"

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C# - Determine Which Tab An Action Was Called From?

Aug 27, 2010

The page I'm editing had three tabs, each tab contains a diffrent grid view which is populated by a search box with in the tab. Each row in the grid view has a check box. When a print button is pressed all records with a tick in the check box should be printed off. Then page then reloads but some of the content is missing due to the way the page has been coded. This is becuase some of the code is only called when the tab is clicked not on postback. Is there anyway that I change the following code so that it's called after postback? These are the functions that are causing the most problem.. I need them to be loaded for the correct tab on postback.. I can't do it for all three as the code takes forever to run in that case.

if (tabconConsignments.ActiveTabIndex == 0)
dtGlobalIDConsignments = fGenerateTableSQL(astrPalletIDs, DateFrom, DateTo, ddlReqColDel.SelectedValue, "GlobalID", "", "");
//Global ID Tab
gvGlobal.DataSource = dtGlobalIDConsignments;
else if (tabconConsignments.ActiveTabIndex == 1)
dtCreatedDateConsignments = fGenerateTableSQL(astrPalletIDs, DateFrom, DateTo, ddlReqColDel.SelectedValue, "CreatedDate", "", "");
//Created Date Tab
gvCreationDate.DataSource = dtCreatedDateConsignments;
tbCreationDateSearch.Text = "";
else if (tabconConsignments.ActiveTabIndex == 2)
dtAccountsConsignments = fGenerateTableSQL(astrPalletIDs, DateFrom, DateTo, ddlReqColDel.SelectedValue, "Account", "", "");
//Account Tab
gvAccount.DataSource = dtAccountsConsignments;

if you want me to post any more code or any more info it's been a hard one for me to get my head around so I might of missed something out.

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How To Determine Why Application Is Recycling

Mar 9, 2010

I am running an ASP.NET application on an IIS7 server. It has been running fine for a long time, but over the past week or so it has been discarding all users' sessions several times a day. I enabled all of the application pool recycle logging options as described in http://blogs.iis.net/ganekar/archive/2008/12/12/iis-7-0-application-pool-recycles-log-a-event-in-windows-event-log.aspx, but I didn't get anything in my event log.

There are no errors in the event log, and no visible symptoms except that all my users lose their sessions.

Are there any other reasons that IIS would recycle my application pool? Is there any other type of logging that I can enable to find out what is happening?

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Determine Back Page Using C#?

Dec 8, 2010

I want to know how can I determine what was the back page using C#?

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How To Controller Determine Which View To Use In Mvc

Feb 1, 2011

i just strated with asp.net mvc. My doubt is in a controller we use

public ActionResult Index()
return View();

so how a relevent view is returned for a particular controller.

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Like To Determine, If There Is A Way To Leave The New RequestValidationMode?

Dec 22, 2010

My .NET 4 webapp produces an error in the way "A potentially dangerous Request.Form value was detected from the client. . .", where no error occured in the same project in version .NET 3.5
Before I put <httpRuntime requestValidationMode="2.0" /> in web.config I would like to determine, if there is a way to leave the new requestValidationMode.The thing is, that the characters entered in the user webeditor (freetextbox.com) are generating the error as soon as they are passed to the aspx page.It is importand to know that the aspx page contains ValidateRequest="false" in the head-section.

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Determine Which Classes Are Serializable?

Aug 16, 2010

I am changing my ASP.NET app to use a web farm. To do this, I need to change the session state from in-proc to a State Server. To do this, it is my understanding that the classes that are used must be marked as serializable. How can you tell if that is possible with a class? Will you get an error at compile time if it is not possible?

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C# - How To Determine Whether A Web Application Is Currently Running

Nov 19, 2010

I have a ASP.NET web application running under IIS 6, and another process that is responsible to monitor and report status. I'd like to sample the web application by the monitoring process in order to check its status by accessing a dedicated handler on the web application, BUT i don't want to "wake up" the web application in case it is not running. Is there an option to determine whether a specific web application is currently running? if there is such an option, i would be able to first check if the application is running, and only then to access the handler to check its status.

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