Hi, How to create a custom error message when user hit this error so that I can redirect to the login page. "The page requires session state that is no longer available. Either the session has expired, the client did not send a valid session cookie, or the session state history size is too ...more >>

I am creating a control to display GIF/JPEG images for my website. The control has a Panel to hold the images. I would like to perform the following. 1) store the original on disk and create a thumbnail on the fly. 2) thumbnail will be 20% of the original size. 3) the panel will hold a...more >>

Can I access the session & application variables of asp 3.0 from aspx or *.vb page ...more >>

hi, how to make some push button default on the form? for instance, I've got 2 buttons (Submit, Cancel). submit is on the left, cancel on the right side. on enter key pressed, cancel button is processed - wrong. so, how to make a button default (when one presses ENTER then it's processed onCli...more >>

I created web user control class (WebUserControl1) on my project. This web user control class contains two button. And i create new vb class that it inherit from WebUserControl1. When i register vb class to web form. It can not display any controls (buttons). How can i use vb class on webfo...more >>

Hi, I noticed that the div control renders whitespace and a blank line when it is rendered with no contents - it it possible to get it to output <div></div> without any whitespace. Thanks Donal ...more >>

Hello experts, I'm a newbee to ASP.NET. And I have been struggling solving this problem. But I can't do it. Can you please help me get over this wall? Below is the code and error message: <%@ Page Language=3D"vb" AutoEventWireup=3D"true" Codebehind=3D"RegisterForm.aspx.vb" Inherits=3D"WebA...more >>

hi, ASP.NET, framework 1.0, patch 2, Windows 2000 server is this possible: from server side to say "go back" to browser? ------------------- scenario: I've got some page with a list. When one clicks some button goes to "detail" page - for to add/update data. That form may have number of ...more >>

Hello. I am totally new to asp and already have a question. I have put two files in my wwwroot directory. One with the ending .asp and one with .aspx. In these files there is just plain text. Calling the asp file in the internet explorer shows me the text, but calling the aspx file the "Fi...more >>

Hi to all, My database has two tables: order and orderItem. the order table has (idOrder, name, address, etc) and the orderItem table has (idOrder, idProduct, Quantity) I want to present the information using DataList so that for each item (in itemTemplate) it shows the order information as...more >>

Hey there. I recently moved server, moving from one Windows 2000 server to another. I have a .NET application linked to a Microsoft SQL database. When I access the main page of my application, I get the following error: Compiler Error Message: CS0016: Could not write to output file 'c:\WINNT\M...more >>

there are some asp:textbox on page which is have to be printed. printed page looks good until text in the textbox exceeds size of it - in this case only a part of text printed. can i somehow make textbox differ in size depending on amount of text it contains?.. any solution i can figure now is to...more >>

There must be something I'm missing. No else else seems to have this issue -- at least I don't see it mentioned anywhere. (Also, my appologies for my earlier posts in which I mistakenly referred to a <Select> tag as a webcontrol dropdownlist. Here's what's happening: I have a page inside a...more >>

Hi all, is it posible to hook every post back event ? My goal is I want to know which control send post back event to my page before Page.OnLoad event raised. Or at least in Page_Load event handler i can find out which control raise it. Thank's ...more >>

I have an app that was running (about 5 pages). I have a session var in page load (see below) that I use to make sure people login. I added two pages to the application, on these two pages the session variable is not being recognized after the first postback. The older pages work fine. Pr...more >>

Is the System.DirectoryServices namespace not included in VB.NET 2003 Standard Edition? Thanks. -Dave ...more >>

Hi, I have the following line in my code strSalutation = objReader.GetString(4) Now if the field is not null every thing is fine, however if the field is null then an error is thrown. is it possible to test if objReader is null before I assign it to my string. cheers alex ...more >>

hi all, was just wondering when we start debugging asp .net application in vs, whats the first point of execution (like the main in other applications), i wanna trace one application to see what its doing, thanks ...more >>

Hi! If I have a label that displays a price, and I want to apply formatting to it ({0:C} for instance - displays the value as currency), how do I do that? It seems like it is not possible. What would then be the easiest and most correct way to make sure the contents of the label is displaye...more >>

I anticipate a problem that may occur when we deploy our reports on web farms. We have reports that generate both tabular and graphic output in a single Recordset pass. Each report page request writes a temporary graph GIF. Subsequently, another request for the GIF is issued due to an IMG tag o...more >>

Hi There I need to create either a user control or custom control to replace my image controls. I need to be able to dynamically assign a id and file name to the control before rendering it. Any help appreciated, S ...more >>

I have a VB class that uses .NET and ADODB to write into an Excel spreadsheet (via Jet) on a server as part of a web application. ADODB is used instead of ADO.NET because it greatly simplifies the write process, and is supported for use on a server. (Excel is not supported (1), licensing i...more >>

Hi, I've a little problem, i've an asp.net page, with a runat server form, like this: <%@ Page Language="vb" AutoEventWireup="false" Codebehind="index.aspx.vb" Inherits="indexGstPro"%> <HTML> <HEAD> </HEAD> <body> <form runat="server" method="post" id="indexGstPro"> </form> </body> <...more >>

Hi, I have a web application that I have set up that uses the Forms authentication method. There are 3 web pages that do not want to force the user to login in order to access. I created a folder and added a web.config file with Authentication="None" and now I get an error saying the folder is...more >>

When the original has to be open to use its values as a parameter for the second reader? Is it still possible to use one Connection? ...more >>

Hi, I have a asp.net small application that calls a xml webservice this web service calls into some Vb 6 com components and then returns a result back to my asp.net client. The problem is - this works the first time no problem, if you hit the back button (after results are returned) and...more >>

I have created a project with a form called SetupBodyTemplate. I have created a second inherited form called Demographics which inherits from SetupBodyTemplate. I've created several of these templates that inherit from the base form, but I'm getting some errors. 'DesignProject.SetupBodyTemplat...more >>

hiye, i notice that some if not all of my folders in winxp pro. are set as read only and its giving me some problem with development. so as the natural thing, i unchecked the read only option and click apply then click ok. and when i right click on the same folder again JUST TO MAKE SURE the...more >>

Hi guys, Background: VB.net developer Question: Can i add and access an unmanaged COM dll to my asp.net project? Previous Attempt: I added a reference to the DLL in the references dialog. Declared the variable and when i treid to instantiate it, I got an error! \\\ dim loCOMDLL as...more >>

in javascript or the like, when you wish to evaluate a string you use eval() for instance if you had five text boxes named textbox1, textbox2, etc. you would write something like: for (x=1;x<5;x++) { eval(textbox + x).text = "item: " + x; } how can you do a similar thing in C#? I...more >>

I want to programatically add rows to a datagrid that is bounded. How can I do this? The ITEMS property doesn't seem to have an ADD function. Thanks... (i gave up on the web form TABLE since it keeps losing rows during postbacks)...more >>

Hello, I am using c# and running a site that is on a shared host. The code in question is supposed to create a new directory that is coming out of a text box. It works fine on my computer, but I get the following stack trace: System.IO.DirectoryNotFoundException: Could not find a part...more >>

I want to ask some questions about ASP, but not ASP. NET, sorry for my cross post because i don't know where asp newsgroup is First, is it possible to use user defined class in ASP, if so, how? and does ASP support something like inheritance? I know vb only support something like interface, is it t...more >>

Does anyone know of a way to count keystrokes client side? My users want to know how many characters they've typed into a textbox. Picky, picky, picky! Thanks, Herb ...more >>

Hello: I need to clear all textboxes on the webform after the data has been submitted. How can I do this in one step? I found a C# code: // get a reference to your form control Control frm = FindControl("YourFormID"); foreach(Control ctrl in frm.Controls) { TextBox tb = ctrl as TextBo...more >>

1) build drop down list on server 2) manipulating lists on the client using javascript 3) when postback to server, lost the values that were manipulated on the client. 4) how we defined to client js cboInternalOrigin.Attributes.Add ("OnBlur", "CheckRequiredField()") 4) why ? is there anot...more >>

Hi I just read and experimented with normal .net GUI apps and deployed them with notouch deployment strategie as smartclients. Is it just me, or i this an very neglected topic? For me it seems like the death of complicatet webpages full of hacks, and the always present problem with browse...more >>

When I try to open design view in VS I get that error. Is there anyway around that? <td vAlign=bottom noWrap align=right background="<%= Application("AppPath") %>/images/BarGradient.gif" > -- ______________________ David Fetrow HelixPoint LLC. http://www.helixpoint.com davef@helixpoint...more >>

Im trying to insert only one row in my database with the SQLClient class. But I get this error: "Object reference not set to an instance of an object". Can anyone tell me why I get this error? Here's my code: Dim cnn As New SqlClient.SqlConnection Dim cmd As SqlClient.SqlCommand Dim s...more >>

How do I lop off a long text at the end in ASP.NET to prevent it from wrapping? Do I count the number of characters then do a concatenation? Or is there a better way, i.e. looking at the size of the DataGrid Column then work our way back with the text size? This is a long text a ... This is...more >>

I'm trying to get a datetime value (10/24/2001 6:00 AM) to display as 10/24/01 6:00. I know I could hard code some format but I'm trying to use the culture info etc. so that (and this is my understanding of it) if in the web.config I change the culture info to some country that disaplays as dd/...more >>

Hi all, I would like to know what is the easiest way to convert a VB.net window application to a web application? Thanks in advance! tom...more >>

I have a web application on my production server that I need to debug. The problems is that I don't have permissions from my ISP to be able to do that. There are two projects in the application, one for the class libraries used be the web application, and the web application itself. What I would...more >>

Hi, I am new to Asp and need some help to write an expression to use with a regularexpressionvalidator. I need to validate that the field meets these requirements: minimum of 8 characters Contain a minimum of 1 lowercase and 1 Uppercase character and one special character (or digit) I n...more >>

hi First of all: sorry for my bad english :-) I've got a problem with usercontrols - and no idea how to fix it! :-( I had registered a usercontrol navigation.ascx in the common-way (page-directive and declared in aspx-page). This usercontrol has several linkbuttons in it, who raises click...more >>

I need to view and select cells on a grid or table on a web form. would like to be able to select one cell or drag the mouse over several cells to get multiple cells at once. looking for a control or method to do this. etc... ...more >>

I have a web page (aspx and aspx.cs) that I cannot debug for some reason. The breakpoint will have the little red dot with the question mark and the tooltip says "The breakpoint will not currently be hit. No executable code is associated with this line." I can debug another page that is...more >>

Hi. I'm new to asp.net and I'm trying to create a confirm dialog box using the confirm() javascript function that will pup once the submit button is pressed. My problem is when I call document.forms[0].submit() in the script, I would like to execute the code in the click event of the s...more >>

Hi all, I am trying to upload file (>500 MB in size) from my webform. Bandwidth is not a issue as the asp.net application would be used in the Intranet environment. Can someone plz suggest any asynchronus way of inserting records into database from a dataset ? Also, is there any ansync...more >>

I have a login page. When the user logs in, I insert 1 frame into the page and on that frame I navigate through the application, this is so the URL doesn't display on the address bar. For some reason, when I log out of the application back to the login page, if I hit refresh, it will automatical...more >>

Just a simple question, can I run an asyc process on the server (with ASP.NET) for hours at a time to do things like send bulk emails? Are there some restrictions and timeouts that are set by the hosting companies? I use shared hosting. -M ...more >>

Visual Studio 2003 web form problem using C#. My Page_Load or OnInit routines seems to be called twice for every post back to the server. I have 2 web forms that produce this behaviour, all of the others just run these routines once. Any ideas! ...more >>

I have a user control which displays the contents of a shopping cart. I wnat it to update everytime an item is added or deleted from the cart. I have created a button which edits a Session object, then I want the usercontrol to display the contents of the session object. Problem: The user contro...more >>

Is the Page directive only go on ".aspx" pages? I think the answer is yes, but I am not positive. I am trying to figure out why a called class can not be found and I was wondering if I should place a page directive on the class which I am trying to call. In my situation I have "MyPage.aspx" ...more >>

Hi, Am I missing something re: the panel control? I finally have a use for it, but when I put other controls into it, they squish up (yes, technical term!), and I can not move them into other positions. ??? Thanks, Kat *** Sent via Developersdex http://www.developersdex.com *** Don't ...more >>

What is the source of the "Index 0 is not non-negative and below total rows count." error message when I do a databinding? (I know that I have no matching record). Is that a normal error message when there is no record to be found?...more >>

Hiya, I have a data grid with one column being a "hyperlink column". I want to use this column to jump to another aspx page based on two different column values from the underlying dataset. Setting up a hyperlink based on a single column is simple: URL field: VariableA URL format string: ...more >>

Hi there, I've got the following problem: We've got a productive Active Directory on a domain controller in our company. My project will have to handle data from that AD. So that there cannot happen anything bad to the productive one, we set up a new Windows 2003 server with an own DC an...more >>

I can get the Trace.Write() to work if I put the code in an aspx.cs file. But, I have a (C#) class called by my aspx.cs code that also has Trace messages, but none of them show up in the Trace file, Trace.axd. Does anyone know why? Thanks. ...more >>

hello guys, i'm having a very strange problem, this is a simple insert code. andthe insert stmt has NO problem cos i've tried it on my access table. and heres the error msg Operation must use an updateable query. Description: An unhandled exception occurred during the execution of the ...more >>

i am successfull to Create the Project on the Remote Web Server, now i want to add a Class Library in same project, but the following Error Occur. 1)The project is not filly trusted by the .net runtime. This usually because it is either a network share or mapped to a network share not o...more >>

The senario is we have a table that contains a number of URLs and we want to check periodically that they exist. If not, then we will create a report and send it to a admin. So what I need to do is something like this, --------------------------------------------------------------- run sche...more >>

The senario is we have a table that contains a number of URLs and we want to check periodically that they exist. If not, then we will create a report and send it to a admin. So what I need to do is something like this, --------------------------------------------------------------- run sche...more >>

I would like to insert multiple records into a table based on a query returned from the same table. For example a datareader returns 3 records containing the following records user1 file1 group1 user1 file2 group1 I would then like to insert records into the table based on the datare...more >>

Hi, I have a small web application on my own machine and I am trying to copy it to our web server. I am doing this by copying all the files if the project from my machine to a folder on the web server. The application runs fine on my machine but when I try to access it on the web serv...more >>

Hello Everybody, When using smartNavigation, after a ComboBox-selection css-settings no longer take affect. with smartNavigation="false" this is all right, but the ComboBox looses Focus - off course. Any hints? Seb...more >>