Im I doing something wrong or is this not possible?. I have worked alot in PHP and is used to seperate content into serval files. I guess they to do this in ASP.NET is by using User controls...right? But if i cant use the Intelisense some of the magic is disappearing... Regards Anders, Denm...more >>

I have a need to display a bitmap (chart) that has been created in code. In the Windows I just place it in a picturebox. But no luck with a Web page and I would like to be able to do it without writing the bmp to a file and then putting it back into the web page. Does anyone have an idea aro...more >>

How to make code aa form so that a user can only submit a form onetime? ...more >>

We are writing a web application for sale to clients to deploy on their own web server. Is there a good reference available comparing the various .NET compatible reporting packages? Cost of deployment and overall functionality would be the main factors. I guess the obvious candidate would ...more >>

Hello, I am attempting to do something very simple. I have a page MainPage.aspx and a popup window Popup.aspx. When users click on the linkbutton in the popup window I am looking to do some server side processing in Popup.aspx, then have the popup window close, and have the MainP...more >>

I have developed a form which dynamically builds textbox, radiobuttonlist, checkboxlist controls from parameters in a table, and somehow manages to maintain state (of data keyed in by user). However, the listbox that i invoke on click of a help button does not maintain state (i am not re-loading...more >>

Hi, Does anybody have any idea how to access child nodes in a TreeView without using postbacks? For example: in the subtree below I want to disable nodes B, C and D when A is checked (and enable them again when A is unchecked): Subtree: [ ]A---[ ]B |----[ ]C |----[ ]D I want...more >>

I defined some diretories in the Web.config that can be changed without recompiling. This should be directories relative to the application directory. e.g: <!-- for log files --> <add key="RelativeLogDir" value="log\" /> <!--for files generated for other applications --> <add key="Relat...more >>

Hi people, My server.mappath not functions in my class page... why ? Alexandre ...more >>

Hi. If I am changing an ASPX file will App restart itself and I loose session? Thanks. George. ...more >>

Hi, In my log files I often simple 'Mozilla' as UserAgent. In that case what may be the browser type. If Mozilla/4.0 is the UserAgent can we take it as a Netscape Browser. LIN ...more >>

hi,=20 i have a webform using VB.NET.=20 I have a couple of methods which fire on a few events.=20 now, i have noticed one particular behaviour which is strange. On a Btn.Click event, i validate the fields and then pass to another = method which adds those entries into xml file.=20 t...more >>

I am using a RequiredFieldValidator to validate a text box at client side. but when I click the submit button without typing anything into the text box. I get a popup box saying "There were problems with ...", a error message also displayed beside the text box. how can I disable the popup? ...more >>

Hi, I have a datagrid where columns are of some fixed pixel size. If any column text increases the width of column, the plan is to truncate it till its pixel width becomes less than the coloumn width. Is there a way to find the size of a char in pixel given the font name and size. I have tr...more >>

How does one evaluate if a field is null to display it in the datalist or repeater? I have tried a number of different things... Would anyone know how to do this? <asp:Repeater id="customers" runat="server"><HeaderTemplate> <table border="1" width="100%"> </HeaderTemplate><ItemTemplate> ...more >>

I have a sql server (2000) and I want to add a search capability to my asp.net page. It will search an Articles table - in particular the 'Article' field (ntext). I started with the following statement: sql = "Select * from [articles] where article like '%" & tbquery.text & "%' " order by da...more >>

When entering web site I get the following error in the Default.aspx page: Server Error in '/' Application. ---------------------------------------------------------------------------- ---- Parser Error Description: An error occurred during the parsing of a resource required to service t...more >>

Hello. I have installed .net frameworks as well as visual studio. I am able to make projects in windows application but I cannot make web application. Wheneve i try to create a new web application, "Visual studio .NET has detected that the specified Web server is not running ASP.NET versi...more >>

Scenario: Class A has a method that returns an instantiated object of Class B. Class A has a Public Event called "DataUpdated". When the Class A method is called to return an instance of Class B, Class A hands to Class B a pointer to itself. Therefore, Class B can reference the i...more >>

Folks, I've been running into problems with a multipage Tif viewer that I wrote to display fax images in an ASP.Net app. I've been basically following the standard examples on how to do this: - Read the image from a file - set the current frame - write the frame data to an output stream ...more >>

This seems like it should be a FAQ, but I have searched around a bit and have not been able to find the answer: Everytime I do a post back to the server (for example during a checkbox click) the screen redraws and jumps to the top of the page. This is quite a pain in some cases because it cau...more >>

I haven't read about this bug before, but I might not be alone. As I'm working in the IDE, at some point, when I do a Build and Browse I get an error that a page object has not been instantiated. When I go to the designer, all the objects on my page are gone. When I go to the HTML, the entir...more >>

hello All, I have a simple question..I'm creating a tempString that contains my values then i'm adding to a ListItemCollection (). In my tempString i'm adding a spaces between each values it works fine..when I add to a ListBox the HTML doesn't render the spaces..Anyhelp is appreciated... ...more >>

Hello- I am attempting to determine if a DataTable has Rows, or if it is empty. I am using this code: If isDBNull(MyDataTable.Rows) Then .... And it is returning false whether or not there are any rows. Is there another way to check for this property? Thanks, Adam...more >>

I have a question on designing a please wait aspx page. Currently I have a test.aspx page with codebehind page and page_onload contains my stored procedure calls. I've create something similar in old asp so I've try similiar method and I sort of got it work however my please wait messa...more >>

Provider=Microsoft.Jet.OLEDB.4.0;UserId=Admin;Password=teste;Data Source=C:\Inetpub\wwwroot\inktoner\dados\db_inktoner.mdb;Persist Security Info=True I can't connect in my database ! whats wrong ?? tks ...more >>

Hi, I want the users to dowload files( it will be txt , doc, zip formats) and this files are located on some other external web servers. but we have a link on our application to those files to download those documents, so when the user clicks on the link, we want the system able download the f...more >>

Hi, I've a problem with a page I've developed, and I can't see where I'm going wrong. I've created a dataset called "Recipients", and in this dataset, I've created two tables, one called "DistList", the other "Members". In my InitialisePage section, I'm running a routine that populates ea...more >>

I am saving the viewstate at the server for pocket pc clients to get around the old Invalid Viewstate error. This works perfectly, however when I look at the html source of the page served up to the client, it still contains the hidden viewstate variable and data. It's not being used and it's...more >>

Error while trying project: Unable to start debugging on the web server. The server does nort support debuggþng ASP.NET or ATL Server Application. ...more >>

Got a web app with a Log on screen. Right now I'm using cookieless session state with a timeout of 20 minutes. How can i avoid a situation where the user comes to a logon screen after the session times out (back from lunch etc) and doesn't really understand why after they enter their id and p...more >>

is it normal that my required and range validator work on then client side only with IE 6 (maybe IE5) and not opera 7, netscape 4.7x, netscape 7 ? in the generated pages, validation.js is inserted in the code only with IE why? it's only javascript stuff... the other navigator should be abble to...more >>

I know that the ASHX file is a HttpHandler but, but could somebody point me to some information on it nad maybe tell me what the advantages are to using that? ...more >>

Having spent nearly 2 years in win forms land the inevitable request came for me to "do some web pages". So being new to this bit of .net and having had a look around I can't see where the best way to store session data. 1) use the (string)Session["MyValue"] approach Obviously bad for mainten...more >>

i am trying to write aspx login system and the login process requires a validity check of username and password. i have been told that raising exception is costly, but i want a custom error message to be displayed depending on what error occurred (let's say: invalid username, invalid password,...more >>

Im running Windows Server 2003 trying to get my ASP.NET applications to access the file system. My Web application needs to have write access to some folders in the virtual directory from which it runs. The server is a domain controller, so I don't have the ASPNET user to assign rights to. ...more >>

Hello, I discovered a mysterious bug that occures when visiting an asp.net page, using Internet Explorer. Sometimes the browser simply ignores clicks on controls that I have connected to an event: There's nothing happening - not even a post back. I reviewed the sourcecode of the html post...more >>

I read Robert Chartier's article from 15 seconds (http://www.15seconds.com/issue/030522.htm) and tried it myself. URL rewriting seems to work fine as long as original file exists. For example: redirecting from /mysample/default.html to /mynewsample/default.html works when original file exists. B...more >>

We want to implement assigning permissions to web pages using a tree like view. The text below illustrates what the page would look like. Each of the items in the boxes are types of permissions (i.e. A = Add, M = Modify). If a user has permissions the box is green, if not red. When an admi...more >>

what is the equivalent in C# to VB's Is Nothing? Check out the following code snippet: private SqlConnection objConn; if (objConn Is Nothing) { objConn = new SqlConnection(strConnection); } I'm converting my coded from vb to C# and I want to replace objConn Is Nothing with the ...more >>

This message was posted (not by me) in July and never saw any responses...I'm having the same exact issue and then some...first the original post (can also be seen here: http://groups.google.com/groups?q=Exception+in+configuration+section+handler.+web.config&start=10&hl=en&lr=&ie=UTF-8&oe=UTF-8&s...more >>

Hello, Is it possible to change the sessionState cookieless value to true dynamically if you detect that a user disabled their cookies in their browser? ...more >>

I have an aspx page that contains 2 user controls, each containing a seperate textbox and button. I would like to specify that one of the buttons recieve focus when the page loads. Also, I would like that same button to fire its event when the user presses enter. Can anybody help with this? ...more >>

I am creating a web request (HttpWebRequest) from a web page in order to retrieve the Html from another page and embed it in the calling page. When you create a HttpWebRequest the request is created empty, so I need to populate its headers in order to send cookies for authentication pur...more >>

System.Diagnostics.Process process = new System.Diagnostics.Process(); process.EnableRaisingEvents = false; process.StartInfo.FileName = "c:/MacroTemp/makfile.exe"; process.StartInfo.Arguments = headerFile +" "+ outputFile; process.Start(); process.WaitForExit(); The above code is not work...more >>