i am Calling a VC++ DLL from ASP.net code but it Gives no output ..But it work fine from VB 6.0 ..What may be the reason ?...more >>

Hi, I'm getting "object is currently in use elsewhere" when I use System.Drawing.Graphics.MesureString. This is what I do: My controls use a utility class the helps it to mesure strings. To get the best performance for the utility class, its members, as well as the System.Drawing.Graphics...more >>

I'm trying a simple object serialization and deserialization, and keep getting this error: System.Runtime.Serialization.SerializationException: Binary stream does not contain a valid BinaryHeader, 0 possible causes, invalid stream or object version change between serialization and deserializat...more >>

Can I control what and how to print the data from my web form project via client's printer? Something like using printdocument object. I don't want to use print command from browser program....more >>

Hello everyone, WebClient object works very well with the no-need-to-authentication website. Can it also work also with authentication website? Thanks in advance. Sam ...more >>

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When I am designing an aspx page and drag a control such as the repeater control onto the page, it always defaults to the upper left of the page. Is there a way to move the control to where you want it or do you have to do that in the html coding?...more >>

Do all asp threads servicing requests run as part of same app domain? I need a lock at the scope of my web-app; is the code below a correct way to syncronize blocks of code in asp.net. Will this work if load balancer (multiple servers) are used? Thanks! lock(typeof(string)) {} or l...more >>

I am working on a internal intranet site, and i need to make a permissions page, all the account authorization is done through AD to let them see the intranet site.. now, the permissions page i need a list of users in AD... is this possible to get a list of user names from ad? (the server is on t...more >>

Hi, I have a quick .Net question. When referencing a web control in my code behind page so that I can access it's methods and properties, is there any speed/efficiency bonus to using the fully qualified reference, eg: protected System.Web.UI.WebControls.ListBox regtypes instead of just: protec...more >>

Hi All, Can somebody tell me what I am doing wrong. I have a Base Abstract Class Public MustInherit Class BaseRequestHandler : Inherits System.Web.UI.Page Protected Overridable Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load SomeMethod() ...more >>

I am building a control which has some buttons and when you click a button it moves information from one listbox to another. this control could be near the bottom of a web page, so I cannot have the page reloading every time someone clicks one of the buttons. How can I fire their events wi...more >>

We have an arrangement where we have 2 web servers in a farm arrangement and we are seeing invalid viewstate errors due to this. We are just using the standard viewstate arrangement, so my question is should the viewstate work across a web farm cluster? Secondly, if we have only have one of the...more >>

Hi! I=B4m trying to store some objects in the Session but the=20 session object is lost when I use a Response.Redirect=20 command. Using a debugger, I can see that there is an=20 HttpSessionException afeter the Redirect. So is it right?? What is the difference between Response.Redirect a...more >>

How do I view a text file after I created the file in ASP.NET?...more >>

Has anybody ever figured a way to automatically loop through an enum, as if it were a collection? Here's an example of an enum we're using: public enum TaskType { TaskRange = 1, TaskSort = 2, TaskScope = 3 } And what we'd like to loop through each item in a for-each loop, since we...more >>

Does anyone know how to grab a parameter from a url? Example: http://tester.com/234 ------------------^^^ The 234 is what I am trying to retrieve. Thanks...more >>

I compile my project. No errors. Then I hit my page and I get an Error in Application "/" [No relevant source lines] I change nothing and recompile. Works fine. If I compile twice in a row, still get the error. I have to compile, hit the page, compile again. Every single time. It is dri...more >>

Hi, I was hoping for a little advice about the following. Firstly can I use multiple inheritance in vb.net. For example can I have my webform class derive from mulpitle classes, and if so what is the syntax, I can derive from a single class (inherit) but not from more than one. secon...more >>

Hi, Can one call a c# function from within a javascript function ? I have a c# function GetLanguageItem(title), how can I call the above function from a javascript function in an .aspx page. Thanks ...more >>

Hi, MSDN documentation about HTTP Response Headers say Refresh is obsolete and maintained for legacy application compatibility only. How can I achieve the same functionality to releoad the new contents of a page? I can use the timer component but, is there a http-like solution? Thanks,...more >>

I'm building a web forms project and would like to provide consistent connection, data adapter, dataset objects, etc. across multiple ASPX pages. I'm having problems with trying to make these portable without breaking the IDE or Intellisense such that I can still get the benefits of the VS.Net o...more >>

Hi, I use ASP.Net build a web application which requires users to login. The link is sent out to the user via email. The users then click the link in the email and the login page is displayed. Most of time, it works fine. And for the Hotmail users and the outlook webmail users somet...more >>

How can I send a string array to another aspx page? ...more >>

I am in need of a little help with a form post. What I need to do is this: 1. Post a couple values to an external website form. 2. External website will process the values posted and if needed, load an form of its own that the end user will need to enter some info into and submit. 3. ...more >>

Here is a new error I am getting. I have a development computer (Server 2000, SQL2000, .NET 1.1) I have a production computer (Server 2003, SQL2000, .NET 1.1) When I run my solution on the development box pointing to the database on the development box - no problem. When I run my solution o...more >>

Hi all, I'm trying to think of a relatively painless solution to this problem: I need to automatically(daily) FTP a .zip file from an FTP location, to a folder on the web server, AND unzip the contents(pics) to a sub-folder. Any one have any brilliant and genius ideas? ~Gordon...more >>

Does anyone have or know of a download location for a custom combobox web control for a combobox that allows: databinding typing as well as selecting a listitem limit to list functionality postback to server on listitem change I have currently tried metabuilders and progstudios controls, but...more >>

Here is a new error I am getting. I have a development computer (Server 2000, SQL2000, .NET 1.1) I have a production computer (Server 2003, SQL2000, .NET 1.1) When I run my solution on the development box pointing to the database on the development box - no problem. When I run my solution o...more >>

I need to specify an string array as a value in a NameValueCollection in web.config file ......... <AA> <BB> <add key="P1" value=?????> <add key="P2" value="String"> </BB> </AA> ............ Which should be the format of ????? in order to wor...more >>

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We are having problems with synchronus web request calls blocking our ASP.NET performance. Here is the setup: We have an aspx script on Site B with a synchronous HttpWebRequest call to access Site A (simulating accessing a bank credit card payment gateway). The page on Site A currently do...more >>

How can I display parts of a string one line after the other using a Label in a WebForm ... or otherwise?...more >>

Hi, Anyone know how I get the CultureInfo/LCID on the client machine using a Request? Thanks, C....more >>

For example,I want a playback control which can play the stream media and works at client.Can I use the custom control or user control but not activex?I think activex is based on COM,but .Net use managed code.If I use activex ,the efficiency will low. ...more >>

I have an ASP.NET page that displays a CrystalReportViewer control. In Mozilla, Netscape, and Opera, my report displays correctly. The left edge of the report is at the left margin of the browser window. In IE however, the report is shifted to the right a couple hundred pixels. If I move the ...more >>

I have the following simple code of two panels and two pairs of textboxes and buttons. <form id="Form1" method="post" runat="server"> <asp:Panel id="Panel1" runat="server" Width="272px" Height="96px"> <asp:TextBox id="Textbox1" runat="server"></asp:TextBox> <asp:Button id="Button1" runat="s...more >>

since installing vs 2003 (alongside vs 2002) I have been unable to create a web project with it. New project, C#, web app, then keep the default web ap name or not, either way, I get the very general error message that the project could not be created due to server error 500. This is only in ve...more >>

I'm using the customvalidator in my web page. I get the following error when I try to run the web page: Unable to find control id 'lstRider' referenced by the 'ControlToValidate' property of 'cvRiders'. Description: An unhandled exception occurred during the execution of the current web r...more >>

I developed an ASP.NET application with Visual Studio .NET 2003 on a Windows XP Pro machine. Everything seemed to work ok. One I was working on this application while I was still dialled in. When I disconnected I could not open my application in http://localhost/webapp Visual Studio .NET 2003...more >>

I have an ASP file that loads the various provincess from my province table into a combo box. When the user selects a province, it then reads in all the associated regions for that province into another combo box. The name of this file is AddProperty.asp Here is my form section... <form name...more >>

I hired a company to design an intranet site for us using .net technology. Some of the pages are asp and others are aspx. Our home page is an asp page. I put a comic strip image on the index.asp page every morning. I finally figured out to write some code to randomly select an image fr...more >>

I am looking for Examples and References to Explanations about threading in ASP.Net Any help would be appreciated Lea ...more >>

I'm trying to send an email message using my SMTP server that requires authentication. How can I do that? My code is: Dim email As System.Web.Mail.MailMessage = New System.Web.Mail.MailMessage email.From = "me@mydomain.com.br" email.To = txtemail.Text email.Subject ...more >>

I can't thread in ASP.Net like in Vb.Net Is there a way to thread in ASP.Net ?...more >>

Hi, I have an ASPX app that checks the Culture of the machine. My PC is currently set to have English(US) dates and US Currency. When I check the Culture it returns "en-IE". The machine did have this original setting but I changed it to English(US) for dates and currency. I also r...more >>

Hi, I am in the process of developing an ASP.Net app. Part of this app needs to retieve data from a VMS System. Does anyone have any articles on this or know of any good sites detailing this? Thanks, C....more >>

How can I show a processing status (a bar or something similiar) for the client? My page needs approx. 30 seconds to be processed! Thanks for help Jenny...more >>

I continue to get the below error message when trying to load a aspx file. Could someone please point me in the right direction for solving this? I'm trying to access an access data base and I'm the only one accessing it at this time. I'm trying to learn this step by step and I'm at the begining...more >>