Keep Getting This Error When Trying To View The Page Through A Browser?

Dec 12, 2008

Does anyone have an idea why I keep getting this error when I am trying to view the page through a browser? THanks Object reference not set to an instance of an object. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.NullReferenceException: Object reference not set to an instance of an object. Source Error: An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below. Stack Trace: [NullReferenceException: Object reference not set to an instance of an object.] MG2.AcctViewer.Page_Load(Object sender, EventArgs e) in C:InetpubwwwrootxxxAcctViewer.aspx.vb:33 System.Web.UI.Control.OnLoad(EventArgs e) +67 System.Web.UI.Control.LoadRecursive() +35 System.Web.UI.Page.ProcessRequestMain() +750 Version Information: Microsoft .NET Framework Version:1.1.4322.2407; ASP.NET Version:1.1.4322.2407


View In Browser Fails With 'HTTP 404 Not Found' Error Message?

Feb 16, 2010

I used to be able to view the pages of my ASP.NET 3.5 website locally via the 'View in Browser' facility. However, this no longer works (for any page). All I get is a 'HTTP 404 Not Found' error message.

Where might I have screwed things up?

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I searched online for solution. Only one solution was found at [URL]. But when I followed its steps, I found in my hosts file, it is already like this: localhost

I cannot continue to work without testing finished form pages.

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this.Response.Expires = 0;

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Feb 1, 2010

I am pretty new to ASP. I have a asp page created and it is using the active directory to authenticate the user with AD login credentials. My problem is the code is working fine in our TEST environment. And the same code when I move to Production it is giving me an error saying you are not authorized to view this page.

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Aug 5, 2009

When i run application this error message is appearing .

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HTTP 404. The resource you are looking for (or one of its dependencies) could have been removed, had its name changed, or is temporarily unavailable. Please review the following URL and make sure that it is spelled correctly.

Requested URL: /Views/Home/Home.aspx

Page is there. But its say cannot find resources

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I tried to execute some pages that use only DBML and it works fine.

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I downloaded a version of VS 2008 Professional and installed it on my laptop. Everything seems find until I build it hit view in browser. Then I get 'Web page could not be found'. I'm thinking I must have some setting wrong but I couldn't begin to determine what it might be.

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Jan 14, 2010

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when I'm building a menu in a view I get following error when code reaches <% Next item%> :

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My view: (its a userview)


My Model

My Datasource

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Oct 20, 2010

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Jun 24, 2009

Every time I click View in browser for some .aspx page and I modified it before that, I get warning about saving before viewing.

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Sep 17, 2009

How to View Word document in web Browser with

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The symbols don't appear on my browser view, but they do show on the display for the masterPage. The list code is:

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Mulch</asp:ListItem></asp:BulletedList> Why

can I see the symbols on the design page but not on the web site?

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I have a solution CPortal created in Visual Studio 2010. It has two Projects (CPporal and Login). If I right click the Login project folder and select 'View in Browser' It opens in IE as http://localhost:4558/Login/. If I rightclick the CPortal folder and select 'View in Browser it opens as http://localhost:1807/CPortal/. Please note the change in port number.

I am facing problem because, after I get myself authorized on the Login, it is is supposed to redirect me to CPortal, which it does, but uses the same port number that Login opened with. i.e. It redirects me to http://localhost:4558/CPortal/ and gives 404 file not found error. How do I make Visual Studio 2010 to use the same port number for both (all) projects so that this problem does not occur.

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May 24, 2010

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But the funny thing is, that form submit works (even in debug mode) and finds an
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Aug 22, 2009

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Aug 17, 2010

While I am running a webpage by doing a right click on it and selecting 'View in Browser' in Visual Studio 2008; it popping up the following error:-


The requested URL could not be retrieved While trying to retrieve the URL: /TestADO2/Default.aspx

The following error was encountered:

Invalid URL Some aspect of the requested URL is incorrect. Possible problems:

Missing or incorrect access protocol (should be `http://'' or similar) Missing hostname Illegal double-escape in the URL-Path Illegal character in hostname; underscores are not allowed Your cache administrator is webmaster.

Generated Tue, 17 Aug 2010 06:23:46 GMT by (squid/2.5.STABLE5)


1. My system is connected to a LAN which is accessing the internet through a webserver.

2. When we first time open a web browser it asks us to login to access the internet.

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Apr 15, 2010

I am using a style sheet linked to a master pageThere are many styles on the css page that are working and have been working for quite some time on the master pageI can't put any new text inside a <div> tag on the master page and then create a style for it - the style does not get appliedThey style does get applied in design view but not in the browder when I run the website

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Aug 11, 2008

I have a project that is working. I added a new page to it with nothing in it, except for the default starting code that visual studio provides to you. Now, when I build the site and try to navigate to my newly created page, IE simply shows a blank page,and Mozilla shows a blank page and then tries to download the .aspx file.

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Jun 11, 2010

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An unhandled exception occurred during the execution of the current web request. review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Exception: Error finding Application Setting - Error running Procedure - Exception of type 'System.Exception' was thrown.

Source Error:


Line 162:Line 163: Catch ex As ExceptionLine 164: Throw New Exception("Error finding Application Setting - " & ex.Message)Line 165: End TryLine 166: End Function

Source File: C:inetpubwwwrootCricket
WebsiteApp_Codecommon.vb Line: 164

Stack Trace:


[Exception: Error finding Application Setting - Error running Procedure - Exception of type 'System.Exception' was thrown.] Common.getApplicationSetting(String appSetting) in C:inetpubwwwrootCricket WebsiteApp_Codecommon.vb:164 CMS.Page_Load(Object sender, EventArgs e) in C:inetpubwwwrootCricket WebsiteCMS.master.vb:34 System.Web.UI.Control.OnLoad(EventArgs e) +99 System.Web.UI.Control.LoadRecursive() +50 System.Web.UI.Control.LoadRecursive() +141 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +627 Version Information: Microsoft .NET Framework Version:2.0.50727.4927; ASP.NET Version:2.0.50727.4927

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Jun 15, 2010

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Mar 29, 2011

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Jun 10, 2010

I'm looking at a website using Internet Explorer and Firefox. In each browser I select view source and see the website's URL in the links. These links were concatenated together using HttpContext.Current.Request.Url.Host in the code behind. However, when I use netcat or Burp Suite v1.3.03, looking at the same links I see the servername instead of the website's URL.

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My thought to correct is to have a web.config setting which is used to create the links.

Next question - Does anyone know of a configuration change to make to IIS to return the URL instead of the server name or a .NET function that I should be calling instead to get the URL that the website is running as.

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