Hello I develop a web application with form authentication by C#.NET. Authorized users can upload/download files to/from the web server. But I meet a problem: any user can download any file on the web server once they know the file's URL. Do you know how to prevent this? Thanks in advance....more >>

Installed brand spanking new 2003 Server. Configured to be application server. Then installed Visual Studio .NET. Copied over web application from another server and set up normal web site. When I try to debug the application within .NET, it always gives me the error saying that I'm not ...more >>

I have the following sub that is called to load a data grid. It works without a problem until I uncomment the dv.sort line. When I uncomment the line I get the error: Object reference not set to an instance of an object. The error is pointing to that line. What am I doing wrong? Public...more >>

Hi I am getting an Error : Sql server does not exist or access denied when i try to connect through a web application. The same connection string works for a windows application. The same webapplication works fine if i try to run on the SQL server macines itself. I am using SQL Server2000. (I...more >>

I have had to create a new project file to update a deployed asp.net application. I then built the project and using "Copy Project" to deploy to the live server. Now when the application tries to use code that I have updated, it crashes with the following error trying to reference the local file on ...more >>

I realized that when SqlServer mode is used for session management Session_End event is not fired in global.asax. What can I do if I want to do something when a user's session end? Thanks ...more >>

Hi everyone, I just read an article that said that when you use a web.config file to secure a directory, all it can do is secure the asp.net resources in that directory - not any non .net resources. For ecample, image files, html and asp files would not be secured. I didnt actually realise ...more >>

I'm using guid to generate primary keys for my SQL server DB I'm now trying to query the DB but keep getting errors. It seems to be erroring when passing the ID and it's always around a hyphen in the sring I'm passing Eg. WHERE ID = '24646a31-c088-41da-b93c-32174588da48' errors near a31 ...more >>

Hello all... I'm coming from a Borland Delphi background. Delphi has a specific component called a Data Module. In the designer the Data Module behaves like a windows form. A developer can drop non-visual (controls) on the data module surface and wire them up and create procedures, function...more >>

Hi everyone, As I understand it, storing an applications SQL Server connection string in the web.config file is a security risk. I'm wondering then, what the simplest solution is to this problem? Actually, my first question is, why is it a security risk? As I understand it, it is impossible...more >>

Im using the default paging in ASP.NET and the Paging in the datagrid does not cause validation. Is there a quick and easy fix for this. Other than use button that cause custom paging controls Thanks in Advance....more >>

Can the CustomValidator be used to simply report unexpected errors, without requiring Client/Server validation? To explain, say you had a simple text box and button that did a Full-text Search of a Catalogue in SQL. Malformed search requests can generate a variety of errors, which I simply want ...more >>

Hello, I am trying to develop a book tracking application for my capstone in school, and am running into a problem. The application is an ASP.Net application written in C#. The first page you go to is a login form, which will set several session variables with the name used to log in, appr...more >>

I have a popup window appear when a user clicks on a hyperlink in a datalist. I do it like this: dr[8] = "javascript:mywindow=window.open(" + "\"GameStats.aspx?Date="+dr[0] + "&Away="+dr[1] + "&Home="+dr[4] + "\"" + ",\"GamesStats\",\"toolbar=no,location=no,directories=no,menubar=no,resizabl ...more >>

Hi, How does events fire in a datagrid. I know about the problem if turning the viewstate off the events wil not fire properly even if I rebind the control in every postback. S then I started to think how does .Net do it if I turn the viewstat on. If you use the Request.Form then you ca...more >>

I've got an error "System.FormatException: Input string was not in a correct format." while I'm implementing a datagrid and a textbox What's wrong with it? Sub Button1_Click(sender As Object, e As EventArgs) DataGrid1.DataSource = MyQueryMethod(CInt(TextBox1.Text)) DataGrid1.DataBind() End S...more >>

Hi everyone, Apologies for the very silly question I am about to ask: When I deploy an application, do I need to copy over the source code for the aspx pages and their code behinds, as well as the dll's that are created when compiling the site in Visual Studio? Someone said something to m...more >>

In my ASP.Net application I am using textbox for user to enter the date. How to enforce the user to enter only the numeric values( and "/" character) in this edit box ? Thanks for your suggestions. Gary ...more >>

I am writing a a Web Form where I am making calls to a separate class which performs several routines I use on several pages. The routines all require access to the Request, Response, Application, or Session object. On the normal page I can access these objects but I can't seem to get these objects ...more >>

Hello All, I have an RSS XML file that is read in and then displayed on the site. The RSS file has repeating news articles, is there a way to tell the XmlDocument object to display the article only once? www.stellarodyssey.com. Thanks in advance, Yogs ...more >>

I am using Visual Basic for ASP.Net programming. I would like to kow the string manipulation using multi dimensional arrays. for example. How to declare multi dimensional array How to read and write the data in array(array manipulation). If you some one can show me the link to this subject wi...more >>

anyone know how to run a VBS file from ASP.NET? I'm guessing there are some permission pitfalls....more >>

I have a program that creates an html results page with: item# | photo | title | description | price...etc just like that on down the page. When someone mouses over which ever one they want to see in detail, I somehow need for it to, when they click on that result, to send out the item number o...more >>

What is a proper way in .NET to create a modal dialog on the client with the aspx page ? Thanks ...more >>

'm not bale to run my projec on the 2000 server, he error was: error while trying to run project: unable to start debugging on the web server.erver side error occurred on sending debug HTTP request mak sure that the server is running correctly . verify that there are o syntax errors in the web.con...more >>

Is it possible to use XmlTextReader and XmlTextWriter to open an XML file, search for a particular node, and then append nodes there? If so, do you have a little code example (c#)? Thanks in advance, Karl ...more >>

I began to use Windows 2003 server for a short time. Whenever I try to open an ASP.NET Application and debug ASP.NET Application it returns errors. I didn't have problems like that when I was using Windows XP & IIS v5,1.. There is two problems 1) Whenever I try to open an ASP.NET Application ...more >>

Where do I get trace output? Trace.Write("Hello World");...more >>

I can duplicate this, so I know it's not something I'm imagining and wonder if anyone else has seen it. Take a page, put a drop down control on it, hook up the onChange event handler to go get some data in the postback based on the selected index that takes 3-4 seconds to return. While the ...more >>

Background. We have a corporate intranet that is (as much as makes no difference) entirely IIS web servers & IE browsers. We use a standard Windows domain logon and use active directory. We also have a "standard" user (like a guest one) that has few privileges. Web pages are secured an...more >>