I found out that the constructor for the Global (Global.asax) component is called twice. The first time the Application_Start is called, while the second is not. Is this documented somewhere out there? So, any instance variable iniatilizated in the Application.Start, will be discarded the ...more >>

I simple can't get visual studio 2003 to stop messing with my HTML code. I have unchecked all formating options under Tools / Options / Text editor / HTML/XML / Format I have even tried to uncheck every assitence i could see remotly related to this. But it just keeps messing it up. eg...more >>

Hi, My ASPX (vb.NET) page needs to check an URL. if it exists then it shows the picture (url is to that picture) if is doesn't exist, it must show another picture. but the question is how do I know wheater the URL is valid? I use a Image webcontrol and that doesn't let me know the picture...more >>

Anyone have any links and/or code samples demonstrating how this can be done? Current procedure is that john doe clicks an item on a datagrid and after however long, gets the info he wants. What I want to do is have a page that pops up "in-between" the two pages. Something that says "Processin...more >>

I have some how ended up with 2 installations of the dotnet framework (1.1 and 1.03). Now it keeps telling me I need an update, but the update never completes. I was going to remove the 1.03 version, but I can't seem to do that either. Help. ...more >>

Hi, I make my first steps in programming ASP.NET-Apps. While writing, testing and excuting the Application I always use the built-in IE6.0 - everthing ok - no probs - no error. Then I tested my Web-Application with Netscape and got display-problems: "HTML frameset displays multiple Web page...more >>

Hi, I store attachment file in SQL Server database and user can download it later by using a download page e.g. Download.aspx?FileID=1234, the problem is Internet Explorer always show default filename is "Download.aspx" in it's "Save As" dialog box, how can I force it to display original uploa...more >>

What are the advantages and disadvantages of using HTML Server Controls over Web Server Controls and vice versa? Is there a clear cut consensus among ASP.NET developers over which controls to use? Thanks ...more >>

Can anyone help me, I'm trying to catch the OnFocus and OnBlur events for an asp.net label. I want to change the forecolor of the label text when it is moused over, and then revert it back when the focus is taken away. Thanks in advance for any help. ...more >>

Hi everyone, I have a C#. NET web project called MySite and I like to start working on a new project called MySite2 (Future release of my site) with MySite files as the starting point. What is the easiest way to create MySite2 containing the same files as MySite? Thank you Maziar A. ...more >>

Hi, I im looking for a Good free webbased helpdesk, and a good web free web portal. Im not after anything for Free and I WILL donate if I find them useful and use them. Its for a friend who is just opening a company and as you can imagine does not want to spend hundreds or thousands of p...more >>

I am looking for some kind of calendar view control that I can show hyperlinks to records in day cells. This is to be used for showing scheduled events and people can see events in a calendar view and click on links to view details of events. Is there one out there? Thanks. ...more >>

Hi everyone, I am using the Mail Class to send an E-mail. It works very well but I would like show my name instead of the E-mail on the mail client, when the user receives the E-mail. Now I am just setting the "to" property to my E-mail address on the Mail object. What should I do to sho...more >>

Hello, If I have 20 websites hosted on the same machine and all point to the same application code, how many instances of my app will be running? 1 or 20? This is a very common case where private labeling is implemented, hope someone would know. Thanks! -zeng ...more >>

I'm having trouble seeing my page when I publish it on my live server. I created a project in VS.net (with MMIT integrated), created a simple index.aspx mobilewebform page , I can see it in my Mobile Explorer emulator , but get the following error when trying to look at it from my remote server,...more >>

I had to rename a project folder on my local machine. Now I can't open my project because it gives me an error saying my project doesn't map to the old URL I had set up. Where is this setting? Can I change this? -Darrel ...more >>

Hi. I'm letting the users upload images into a sybase 12.5 database. The problem is that when ContentLength exceeds 131 071 an exception occur. The e.Message property is empty so it doesn't tell me much. I know that images much larger than this exist in the database. Any help is appreciated! Here...more >>

Hi, In my ASP.NET application, the user has to enter a large amount of data so that with submit button click all this information can go to SQL database.Wen the user clicks submit, he is redirected to the Confirmation page. For a certain number of records, data in half of the text boxes( ...more >>

Hi there, I just got an assignment to work on server maintenance. It is a weekly task and we have about 7 production servers running Win2K server. The tasks include but not limited to 1) Find out drive free space for each server’s disk drives (C:, D:, E:, and etc) 2) Report critical...more >>

I have various ASP.net forms and on most forms, on IE I can go to "view source" and I can see the output of the data grid. However I have a few different pages where I have a large amount of output and I don't see any output in the view source. At first I thought it was being truncated because i...more >>

I have a process that completes asnychronously and whilst this is happening the aspx page shows an animated gif and sets the header to refresh every 2 seconds to check whether the asynchronous process has completed. It all works perfectly fine but what I want to know is it possible to do this ...more >>

I've got the simple problem where I'd like to transfer somewhat large files to my webserver via http/webservice/something like that. My question is what kinda limits have people been able to hit? Is 500mb unreasonable or not. Client doesnt have to be a typical webbrowser, so I could theor...more >>

I successfully created DataGrid with connected environment but how do I perform sum of TotalRBAmount in DataGrid? Coding of ASP.Net 1.1 ------------------------ <form runat="server"> <wmx:SqlDataSourceControl id="SqlDataSourceControl1" runat="server" UpdateCommand="" SelectCommand="SEL...more >>

Hi,everyone: I want to add a background image to treeview control on my asp.net page,or if I can make it to be transparent,that would be okay to.if there and way to implement it? Thank you! Rogers. ...more >>

Hi just wondering if there is a way to automatically set the start page to fit the display on the client machine? This seems to be dependent on what pixel settings the client has for its display. Thanks. -- Paul G Software engineer....more >>

I am using the treeview control from the IEwebcontrols in my studio 2003. I create a simple web page with couple of nodes, etc... when I display the result in my IE browser, I have a blank page;however, when I use the FireFox, I am able to see the treeview. I restored to the default settings...more >>

Sorry if this is too far OT - I posted this in the IIS group and got no response - so here goes: What would be a good or recommended way to make a Web site in IIS6 inaccessible to users on the Internet. My situation is that I will periodically update a ASP.NET Web application. While I am maki...more >>

our web application is 3 tiers, database, web services, and web interface. on the web interface we have a web custom control that wraps up our tree view. it is special for us and has much code, javascript, postbacks, and events, it makes sense to wrap it into a web custom control because we ...more >>

I have a WinForms user control and I want to change the width using a client script on a when page. Can this be done? I was thinking something along the lines of: function resize() { var o = document.myobject; o.Width = 800; } ...more >>

Error while trying to run project Unable to start debugging on the web server. You do not have permissions to debug the server. Verify that you are a member of the 'Debugger Users' group on the server. -- Message posted via http://www.dotnetmonster.com...more >>

Is Front Page Extensions a requirement in order to create ASP.NET Web App using VS.NET? I have always used it, but I am now wondering if its required or not. I know you can also use a UNC share; but does anyone use that method?...more >>

Hello... I assign a variable from the querystring to a class level private variable as follows public class CrsInstnc : System.Web.UI.Page { private string tcoRef = ""; private void Page_Load(object sender, System.EventArgs e) { if(!IsPostBack){ if(Request.Q...more >>

Hello, The following code fails at Response.Write(result.Properties("mail")(0)) if myUser does not have anything in the e-mail filed of active directory. The message I am getting is “Object reference not set to an instance of an object”. How can I prevent from that? Private Sub ...more >>

Hi, Is there a way I can read content of http page ? This won't work: **************************** string strStranica = @"http://www.hnb.hr/tecajn/hvazeca.htm"; StreamReader sr = new StreamReader(strStranica, Encoding.ASCII); while ( (strLinija = sr.ReadLine()) != null ) { .... I get a...more >>

I'm trying to export some data onto excel from my aspx page using c# code. However, when I say xlApp = new Excel.Application, the .Application is not listed from my intellisense popup. Any idea why? However I could do all these sucessfully: Excel._Application xlApp Excel._Workbook xl...more >>

Is there a way to embed a powerpoint slideshow in a webpage? I have an application which requires a slideshow in one of the frames of the application. One option would be to get the users to save the PPT as HTML, grab the images files and upload them to my app. Then use Javascript to do the s...more >>

I've got a web app that has the debug parameter in the web.config file set to true. Everything works great. However, I want to set debug to false before putting the app into production. When I do so, I get an error that states; "Object reference not set to an instance of an object". It also does...more >>

I need to provide data to a cgi script on a remote site from my asp.net web form. The script expects a querystring containing the data. I want to keep the user at my site, and submit the data programmatically and transparently. Can I use something similar to: Dim objHTTP As Net.WebRequest =...more >>

When a user enters a html tag <BR> in one of my textboxes, asp.net by default gives the error: "A potentially dangerous Request.Form value was detected from the client ....". I understand that I can turn this error off by setting validateRequest=false in the Page directive. However, I wa...more >>

guys, i need a little help with this. this is working (well sort of) i get the info, but it's not moving to a new line as it iterates thru the array and all of the fields are like ONE HUGE LONG string 'declare an array Dim filenames() As String filenames = Directory.GetFiles("C:\Re_C...more >>

Hi, I'm trying to do something very simple...or at least it should be. I have created a host page (gen.aspx) and a very simple user control (us.ascx). The corresponding code-behind files are gen.aspx.vb and uc.ascx.vb. With simple html or self contained vb in the user control, everything is f...more >>

I wrote an aspx page. It shows datagrid with values: server | parameter --------------------- server1 | parameter1 server1 | parameter2 server1 | parameter3 server1 | parameter4 server1 | parameter5 server2 | parameter1 server2 | parameter2 server2 | parameter6 server3 | parameter3 ...more >>

I've running IIS and .NET 1.1 on XP Pro. I've also installed "Internet Information Services Snap-In" but it does not appear in the Adminstrative Tools. Anyway, when I try to execute the "inetmgr.exe", a dialog box appears with "Snap-in failed to initialize. Name: <unknown> CLSID: {A848B6...more >>

I'm just not getting this. I need to create a new asp.net application. I have a 2003 web server with administrative privs. So what I do is create a new website on the server, add FP extensions for good measure and define it as an application. I bring up vs.net. Start a new web project. ...more >>

I made a subdirectory in our root web folder and placed a web.config file with the following in it: <?xml version="1.0" encoding="utf-8" ?> <configuration> <system.web> <authorization> <deny users="*"/> </authorization> </system.web> </configuration> Yet, I am still able to view text fi...more >>

I'm trying to connect to an asp.net project and VS.Net keeps telling me it can't find this share: \\www.mysite.com\wwwroot$\MyWebsite What's wwwroot$? I mean, it's supposedly a UNC share but what creates it? "wwwroot$" isn't a standard share, nor is the above UNC path a standard path ei...more >>

Is that possible? I mean on a onrowclick for example fire a code behind function? -- LUIS ESTEBAN VALENCIA MICROSOFT DCE 3. MIEMBRO ACTIVO DE ALIANZADEV http://spaces.msn.com/members/extremed/ ...more >>

<asp:hyperlink ... navigateurl="<%=MyClass.MySharedMethod%>" ... Anyone know how to do something similar to the above? Thanks, Mythran ...more >>

I'm looking for some good books to increase our knowledge in ASP.NET We have several books here already: ASP.NET unleashed, XML for ASP.NET Developers, ASP.NET (Wrox), and ADO.NET development. What we're looking for are books that deal with topics like: Reflection, State Management, Interfac...more >>

I created a pie chart in an aspx. However, how can I display the data in the piechart itself in the right location? The code is as follows: (Please see the definition of float x and float y) private void CreatePieChart_a(string pStr_SQL, string dataColumnName,string labelColumnName,strin...more >>

Hi Sorry for posting this again. Requirement is to allow the user to download multiple files at once from browser. User will be displayed a grid on the browser which will list the various files available on the web server for download and a check box beside each for selecting the file. ...more >>

Hi, Dragging & Dropping my ascx control in my aspx page, I just wanna know how I can access its properties when validating the form ? The control is composed of 4 controls (2 txtbox and 2 dropdown : Address, ZipCode, Country & City). In fact, when, in my code, I try "this.MyControlId".... it ...more >>

Hi, all: I want to create a pdf file with data retrieved from a SQL Server database. How can I do this? Is there any Acrobat Reader api for doing this? Can I export data in an Excel workbook to a pdf file? Any help would be apreciated. Thanks a lot for your help....more >>

Opening an ASP.NET VS2002 project in VS2003, am getting this error: "Unable to open Web project 'MyProject'. The file path 'c:\inetpub\wwwroot\MyProject' does not correspond to the URL 'http://Localhost:/MyProject'. The two need to map to the same server location. HTTP Error 404: Not Found." ...more >>

Hello, I am trying to get reference to all the button controls present in a webpage/usercontrol. I need to set a property common to all the buttons at runtime. Not sure how to go about it. Any help would be great! Thanks, Sam. ...more >>

What tools currently exist for creating ASP.NET 2.0 pages? Will the Web Matrix support 2.0 or will it be phased out by Express Editions? Thanks!...more >>

Can I create a generic Javascrip custom validator in which I can pass multiple parameters? Looking at examples, it does not appear that I can. I want to create a custom validator which will look at the value of two controls and depending on those values either set the "style" of another co...more >>

Hi I want to use one of my c# assemblies on the client browser (IE), say using javascript to call it. I have seen loads of people asking how they can host a WinForms control in IE but all I want to do is call a few methods in my assembly which do not have or need a UI. The <object> ta...more >>

Can some one please tell me why I keep getting an error saying user has not been declared when I add the following to a class usercontrol. User.Identity.Name If it is the page class then there is no problem!!! EG: Inherits System.Web.UI.Page = OK Inherits System.Web.UI.UserControl = D...more >>

I am trying to find an answer on some questions i have. My first question is: 1) If you built a website with classes. Does this improve the performance? 2) Can there become a memory problem -> when you save the classes into server variables?...more >>

Hi! I hope someone can assist... this has been driving me crazy!! I have dynamically added several htmlbuttons to a placeholder control using... AddHandler btnReports.ServerClick, AddressOf Get_Date_Range In the Get_Date_Range sub, I am trying to find out which button was clicked. Each b...more >>

I need to pass a variable in a querystring that I want to hide from the user. eg www.abc.com?UserID=555 and the UserID must be hidden. I was thinking of encrypting the ID, using a UserGUID that would change every night, or passing and an array and index and getting the correct UserID from t...more >>

Is it possible to have persistent connections in ASP.Net? ...more >>

I have a registeration which is divided on 3 pages, i want to have a class that i can create on the 1st page, collect the data from page 1 and add the values to vars in the class, then page 2 and add to vars then page 3 and add vars then i call a web service @ page 3 and send all the data i co...more >>

Hi, a few weeks ago I had started a thread "Can't dynamically add controls because of <%...%> code blocks". The error mentioned keeps me from inserting an automatically generated navigation menu at the top of some pages. My pages contain some <%= %> sections as well as sometimes <%# %> section...more >>