I periodically, once every week or so, get an error when trying to read an XML doc stored in cache. I get an 'object not set to a reference' I have a gut feeling it happens when the app is under strain and the moment between testing the cache and returning the cached xml doc it expires. I have...more >>

Use case scenario: I have a panel with ID "Upload_Panel", where there is a FileUpload control with ID "FileUpload1" and a button with ID "More_Upload_Files", both of which are added at design time. When users click the "More_Upload_Files" button, a new FileUpload with ID "FileUpload2" c...more >>

* Remember this is a ASP.NET web application * Ive been fu**ing about with this for a day or two now as and when Ive had the time, and I cannot get it to work. OK, I have created a DataTable Table adapter, this works fine and fill the grid OK, I can cause and edit event to fire and bri...more >>

I've been programming a bit in PHP and then recently learnt classic ASP for projects at work, now I'm working on another project that they want done in .net. I've got my head around web parts, that wasnt as complicated as I thought it would be. Now I want to create a web part, that connects an...more >>

Assume that there's a website named www.abc.com. There are 2 ASPX files & one MS-Access database file in this site. The 1st ASPX file is named "SearchForm.aspx" & the 2nd ASPX file is named "SearchResult.aspx". "SearchForm.aspx" houses a Form with a select list & 2 TextBoxes. The select list is...more >>

Hi, I've got a page with a form that submits to another page on my site where I parse the data. I then want to transfer to an external page on another company's website with the form data. I thought I could use Server.Transfer, but that's only for internal pages. Response.Redirect doesn't app...more >>

Is the aspnet account called "aspnet" for all non-English versions of Windows and IIS? ...more >>

Hi everyone! Does anyone know what do I need (control or anything else) in order to provide it with a number (fixed digits) and let it created a barcode for me, which I could scan later using a scanner and produce that number back? Thanks in advance!...more >>

I forgot a line of code in a routine to save a file on request from client. File is to be saved on server and a link presented to him to download the file if wanted. The code does not append the folder so it has just a file name. I cannot find the file and a File.Exists shows that it (with...more >>

Given these two virtual paths http://mysite.com/ABCCompany/SomePage.aspx http://mysite.com/XYZCompany/SomePage.aspx Is there any way in ASP.Net 2.0 to parse out the 'ABCCompany' and 'XYZCompany' strings from the URLs listed and have SomePage.aspx be common to both paths WITHOUT upsettin...more >>

I can´t believe thath with ASP.NET we loose the ability to make POST requests to another webforms in another application... I say this because of my last question "Redirect by POST method to another applications" , which had two answers, but none of them so simple like in the old ASP: <f...more >>

I have a gridview that is being used for managing inventory. The default view shows the stock currently available. When editing I don't want the stock to be directly edited, rather the user will enter the amount of items being added/removed. When the user clicks the 'Edit' link I want to ...more >>

Hi i need a many to many select, for example i need a control to select many clients and after that to select all the details for that clients, but i dont know how to do it. ¿can you suggest me a control to do that and how to make that? Thanks ...more >>

I don't see a Microsoft newsgroup for AJAX. Does one exist ? ...more >>

I'm new to NET. This is probably a simple question. I have a table i build at runtime (in the page CS file). inside the table is a button. i built a simple click event handler that isnt firing (not getting the "I'm Back" response write"). can someone please help me figure out what im doing wrong...more >>

Hello, I am new to ASP.net programming. I know a bit about ASP, but not so much the new .NET framework. I have been playing with the data controls that are available, but I have not figured out how to get a simple dataset out of the controls. I would like to select data one row at a time and...more >>

Hi there: I'm using ASP.NET AJAX and liking it, but I've run into an issue I'm not sure how to address. I'm building a very simple image browser I'm sure you've all seen before -- one asp:Image tag and a couple of Next/Previous LinkButtons -- and everything's working just fine, but of ...more >>

I have a panel on an asp page that has about 20 controls on it, an ajax update panel within it- text boxes, listboxes, imgbuttons etc. I would like to be able to copy this panel- ie put similar but independent functionality elsewhere on the page - it seems like a class but information on the web...more >>

HI, How can I access the fields and methods of a subclass in a variable that was declared as a parent-class and instantiated as a subclass. Public Class Communication Public Response As Message some more stuff End Class Public Class Message some fields, methods etc. End ...more >>

I'm sure there's some way to do this simply but I'm new to Javascript. So I'm creating an application that interacts with google maps and everytime the user pans around the map I want it to send its coordinates back to the server to generate an XML object with a bunch of markers that google m...more >>

is there a way to get both the nav buttons of next and previous, as well as the numeric buttons? ...more >>

I am starting a project where I will be using the XML data type in SQL = Server 2005, and ASP.NET to display and update the content of the XML. I've been digging around for a bit trying to find some sources that will = explain the process of doing data binding in ASP.NET with the SQL XML, = bu...more >>

I have a site that uses a custom 404 error page to perform URL = Rewriting. This works excellent for all my needs except for one area. When transforming XML, I have some XSLT code that uses the document() = function to load some dynamic XML from a SQL database via an ASP.NET = page. I am able ...more >>

I use datagrid to store XML file information for selecting a XML from database, and a textbox, txtXML, for displaying a selected XML. When I dispaly a XML in the textbox at firstime, it OK. But when I select another one to display, I got an error message and a security warning in the follow...more >>

I have a search form on my home page. However, I only wanted logged in users to see the search results. It currently allows anyone to view the search results. Have tried using something like: If Session("UserID") = 0 Then response.redirect("/notloggedin.asp") <form action="searchresult...more >>

Hi, Currently there is a web user that always gets an error on our application due to a missing session variable. All other session variables are still in tact, but this one seems to disappear and hence the user can no longer access everything on the site. Any ideas as to where this value ...more >>

Hello I'm a newbie to .net. and having problems posting a value to the next page. I have this in my code behind page: url = "BookCategories.aspx?classificationid=" & Request.QueryString("classificationid") & "" I go to the next page but it's not getting the classificationid. What am I doi...more >>

I'm developing asp.net 2 web application and need to make a custom http handler which sometime must send response with "204 No Content" code. I set HttpResponse.Status="204 No Content"; But asp automatically adds headers such as "Content-Length: 0". This causes an error on the client. HttpRespo...more >>

I've been working on a side project off and on (more off than on) for a year or so. Overtime, it's become a bit of a frankenstein. It uses the Scriptaculous javascript library for a lot of drag-n-drop functionality. However, I'm not using any AJAX postbacks. This is been fine, as most of...more >>

Hi, I have a page which creates a cookie and adds it to the cookies collection. On the next page it is retrieved, but trying to do so throws an exception, "Object reference not set to an instance of an object". The line it fails on is: if (HttpContext.Current.Request.Cookies["Master"][...more >>

Hello, I've written a webservice that returns an array. The output of the webservice has to be consumed by a classic asp application. As classic asp can't read the returned array I want the webservice to return a xml document instead of the array. Can anyone tell me how I can output the a...more >>

Hi, Is it possible using Web Application Projects with Asp.Net 2.0 Sp1 to have a partial class code behind inherit from a base class that could be used for all the pages on a web site? The site uses a Master page, but there are some tasks I'd prefer to be done elsewhere. For example there a...more >>

Hi, When I load a userControl, I check if I have a variable session. If my variableSession1 = "A" and do nothing. but if my variableSession1 = "B", I want clear the html in my control and write: "You need to do this or that" If I use this code: Current.Session.Abandon() Current.R...more >>

Hi All I have usercontrol on the page that I have added at design Time and cached it How can I remove the cached Usercontrol from outputcache. I want to remove cached version in session start event I have tried to remove it using "HttpResponse.RemoveOutputCacheItem(path);" b but it doesn'...more >>

-- Tim Meagher...more >>

hey all, i have a gridview with an image inside an item template. the imageUrl property looks like this: (Eval("Gender")=="Unknown")?"~/images/failed.png":"~/images/success.png" for some reason it always evaluates false which isn't the case for all my values. any ideas? thanks, rodcha...more >>

I am about to launch a site using Ajax, ASP, SQL (Built using SQLExpress) & Client side javascript. I have the following uncertainties: 1) My page is a mess in Firefox having been written using Vis Studio 2000. Things like img buttons are not rendered at all, sizing is all wrong and javascrip...more >>

I have made a ASP.NET ver. 2 webservice that runs on an Exchange 2003 server. In that webservice I want to get the size of the mailboxes on the Exchange server. I try to use WMI and the System.Managment in C#. But when I call the Get() method on the ManagementObjectSearcher object it returns a...more >>

Hello, Ive written an asp.net application which is to run on an intranet. The application is working fine on my locan maschine, but Im getting a tns timeout when runnng it on the webserver. when I logonto the webserver I can send a secsesful tnsping to the oracle database. Could it be that Im ge...more >>

How to get webparts working step by step ... Rahul ...more >>

Hi, I'm looking out info on how to perform System Sizing and Capacity Planning for a product built using ASP.NET... is there any specifics ? any pointers to these will be highly appreciated. thanks. -- Logu Krishnan ...more >>

I have some questions related to the new GridView control. I dont seem to be able to get any values fromt he gridvieweventargs in the row_updated or row_updating events. Both the new and old values proeprties return a count of zero even though the row contains values. Any ideas, example...more >>