Hi All ! I want some information about Concurrency in ASP.NET, In ASP.NET, We are using the Dataset and Command object. Here, the Dataset is Impliment the Optimistic Concurrency and Command object Impliment the Pessimistic Concurrency. these Concurrencies are Implimentmented by the ASP.NE...more >>

I have written an ASP.Net application. It has several edit box to enter data. How to program in such way that when the user hits enter key focus will go to next edit box (required control ) and so on ? Thanks for your suggestions. Abhram Jose ...more >>

Is it required to keep Option Explicit statement when Option Strict statement is used ? Thanks, Abhram Jose ...more >>

I am using ADO.NET objects in my ASP.Net application. I am using SQL Server connection object. Is it required to use set My connectionObject = Nothing for ADO.Net ? I am closing the connection using Close Method. Thanks, Abhram Jose ...more >>

Hi all I have a JPG that has just been uploaded, and I now need to create a thumbnail. I loaded the JPG using Image.Load and created a new image using original.GetThumbnailImage, but when I save it I get a "general error in GDI+". Can anyone tell me how to achieve this? Thanks -- ...more >>

I have a edit box in my web form. When the form is loaded I want to set the focus on this control. How to do that ? Thanks Abhram Jose ...more >>

Hi! I have an .aspx page which returns an image. This page takes some GET parameters, so URL looks like this: http://localhost/page.aspx?id=1234 Now, when the user click this link, I want that his browser would receive picture with some good looking name, like image1.jpg. How to do this within...more >>

When uploading files...does it make sense to enable viewstate if you're also running database queries ? ...more >>

Hi everyone, Can anyone translate the following error into english for me and advise me on what I need to do in order to fix it? I havent seen this one and I'm not sure what it means Thanks everyone Simon Culture name rs1_5cb7eaa7979;q=0.0 is not supported. Parameter name: name Desc...more >>

Does anyone know of a provider who supplies free webspace that will allow me to publish ASP.NET web applications? Paul Webster...more >>

i can only seem to get access to my session variables in the page_load function. Any other functions that i write that are called from page_load or eventdriven do not seem to be able to 'see' the session variables. Seems to be some sort of scope thing - can someone help me out?...more >>

hi all, i am just curious as to how to access the SessionState section in web.config file programatically and then to possibly change it , are there any .net standard classes to do this ? TIA -ashish ...more >>

Hello All, Does anyone know of a free ASP.Net control, that can draw a line graph for me? Thanks a lot for your help. regards, Abhishek....more >>

This is a translation of an ASP page to ASP.Net. First, the background: The goal is to have a grid of different settings for the application -- think something along the lines of the Property Page for a control. You have two columns -- the first column is a simple caption, and the second ...more >>

Hello, We are deploying an ASP.NET web application on to a windows 2000 machine which has .NET 1.0 framework and IIS 5.0. I get an error: Specified cast is not valid. I am deploying this application using the Web Setup Deployment Solution available in VS .NET. What am I doing wrong? How can i ...more >>

I have a modal (yes it must be modal) web page. I do this by having an empty frame that points to my main page (so that I can repost without new popups) I have to pass data to the child page from the parent and the only way I can figure to do it by the url. Please correct me if I'm wrong on t...more >>

I'm running into an Invalid Cast Exception on an ASP.NET application that runs fine in my development environment (Win2K server running IIS 5) and a test environment (also Win2K server running IIS 5), but fails on IIS 6 running on a Win2003 server. The web uses Pages derived from a custom class...more >>

http://www.mls.ca/PropertyDetails.aspx?vd=&SearchURL=%3fMode%3d0%26Page%3d1%26vs%3d1%26rlt%3d%26cp%3d%26pt%3d1%26mp%3d0-0-0%26mrt%3d-1-0-0%26Beds%3d0-0% 26Baths%3d0-0%26f%3d%26ft%3dall%26o%3dA%26of%3d1%26ps%3d10%26aid%3d3490%26Ma pURL%3d%253fAreaID%253d3476&PropertyID=2127525 ...more >>

Hi I have a DropDownList that is bind to my DataGrid's EditItemTemplate The datasource of my DDL is different from my datagrid's datasource Everytime the 'Edit' link is clicked, the default item of the DDL is set to the first item in it How can I select the 'actual' default item when the 'Edit...more >>

I'm in the process of consolidting several Web sites into one new ASP.NET Web application. What specifically do I need to do in order for any URLs pointing to the original sites to get re-pointed to the new site? Is this the job of "dns forwarding" or is it the job of "url redirection"? (or are ...more >>

Hi everyone My web project runs on machine (local host) successfully. I deployed it on development server and I met a lot of troubles. I need your solutions this situation I have validation checks for textboxes which require user to fill in. It will report an error message and expect user t...more >>

I'd really appreciate it if someone would give me a"plain English" explanation of HttpContext.RewritePath(). I read the MSDN documentation, but still don't understand it. According to MSDN: .... assigns an internal rewrite path. RewritePath allows for the URL that is requested to differ from ...more >>

Hello All, I have bound an ArrayList to a repeater control. When the list is displayed, I want the the user to be able to choose one of the items in the list and then continue working. To achieve this I have done the following <asp:Repeater id='rep1' runat='server'> <HeaderTemplate> ...more >>

I copied my site onto a live server and found that I was having trouble with my SMTP mail. I opened the code behind page of the email page in Notepad (on the server) and commented out a large chunk of code. When I saved the page and tried to run the site the site ran as normal, as if the ch...more >>

I noticed several differences between the way my code behaves on my local machine, and how it behaves on the server. I've found work arounds for all but a few issues. Any help would be greatly appreciated! - SmartNavigation doesn't seem to be working right. I have multiple dropdowns on a p...more >>

I'm trying to create a file depot that will hold files for 24 hours and then kill them. Basically a temporary place for people to post something that will automatically notify the person that it's posted for. Although I'm new to ASP and HTML, I've got quite a bit of development experience. If ...more >>

Hi, We have been trying to develop an IHTTPModule (that was supposed to replace or take over the ISAPI Filters, as far as we know). We have developed one in C# and it seems to be working. The problem is that it is not working as it is supposed to work and we *need* to debug it. We made a searc...more >>

Hi, I've set up a custom error like this <customErrors mode="On" defaultRedirect="ErrorPage.aspx"> <error statusCode="404" redirect="error404.aspx" /> </customErrors> So requests for NoSuchPage.aspx are routed to error404.aspx. Good. But it seems that requests for any other file extension ...more >>

How can I disable save button in Word Documents from asp.net c#..... And I am saving Word documet to sql server database (Blob-image field)How can I undersatand when user open the document from database and change it?When user change it I save it another image field ... Thank you.... ...more >>

Hi I am displaying a page inside an Iframe, and I would like to enlarge the iframe window to the size of the browser when the browser window loads up. In the onload event of the browser I am calling javascript to do this and it works ok for ie.6.0 but not 5.5. Here's the script functio...more >>

I have a large amount of text want to insert into a textbox. I would like to know how I can do that? Thanks Both by design time and running time ...more >>

Hi, Is there possible for a .aspx page access a user control located in other website? I try to put the full "http" URL of the .ascx file in the Src of "<%@ Register TagPrefix="uc1" TagName="UCName" Src="AnUserControl.ascx" %>", but it wouldn't work, from the error message I can see that it...more >>

Hi! I'm just getting starting in web development using ASP.NET and have a very basic question. I have a web page that captures name and address information. I want to pass this information on to another page where the user would confirm the information or return back to the original page to ...more >>

Dear all: I know how to use the "Application_Error" in "Global.asax" to catch the exception and display my own error message page. However, I found "Application_Error" cannot handle the error of "Maximum request length exceeded" (in my case, actually too large upload file size, I know ...more >>

Is there a way in .Net to encrypt a user id and password that comes as an HTML request from a login page without having to use a third party solution? In other words, when the user enters the user id and password and submits to get authenticated I want the id and password to be transferred encryp...more >>

Help please. I have a list of items on my page, alongside each of which i have a DELETE imagebutton. There can be from 0 to 6 items in the list and they are placed in a table which cannot be dynamically generated, therefore i have 6 imagebuttons (for DELETE) and 6 labels (for item name) pl...more >>

I have developed an ASP.NET application for my user. When the user left = the application for a while (still open in the IE), and then go back the = application. He found that some buttons to start some functions were = failed. However, when he normally use (did not leave the application), = he ...more >>

I have a products catalogue that I'm putting online and there will be between 20 to 50 different pages of products. Each page contains a datagrid of products for a given category. However, the categories change from time to time so the list of categories must be dynamic and database driven (as i...more >>

Hi, I feel a bit foolish having my db connection sting, with password/username in my web.config file. It just dont seem right, its a bit insecure surley? Where is a better place for it? Thanks. Jim....more >>

Hello All, What is the syntax to bind a Repeater control to an Array of objects I have an array of objects of type Person Person { public int id; public string name; } I tried this one but it didn't work. <asp:Repeater Id='rep1' runat='server'> <ItemTemplate> <%#DataBinder.Ev...more >>

Can someone give me C# code that will connect me to Active Directory, let me give Active Directory a user's name and retrieve his/her e-mail address. I need this for a WebForm....more >>

Hi, I would like to convert a VB.NET application from being a Windows app to an ASP.NET app. I'm new to web development, so this may be a simple question. Is it possible to render simple drawing commands in an ASP.NET application? Something line draw a line point to point, or draw a circle at...more >>

I am trying to send a mail message using smtp and I keep getting this error. "Error sending mail! System.web.HTTPExeption : Could not access 'CDO Message Object'" also "The server response was 421 4.4.1 fw2.itp.biz, unable to contact destination" I think the above refers to the firewal...more >>

The MS fix for IE broke how users access our site (if they patch their browsers), so I need a solution to get users logged onto our site transparently. Basically we used to log on to the site by: http://username:pwd@www.mysite.com/main/ which uses basic auth, but now that doesn't work. I wou...more >>

Hi, I've setup paging on an ASP.Net form using the datagrid. Is there any way to add 'numbered bullets' to the output i.e. 1. Result row A 2. Result row B 3. Result row C 4. Result row D .....etc In an ASP page we did this using a For/Next and trundling through a recordset. Will I nee...more >>

The question is very general, I know. I am reading a lot of info on the subject but can't really make up my mind on the way to attack this. I have portions of formatted text into the database (kind of sentences, with the space for the address blank for example). The user will choose the corre...more >>

Hi, FormsAuthentication.SetAuthCookie DOES NOT create an authentication ticket and add it to cookie collection. I am in an infinite loop of logins. See also this post which explains much better than I can. http://dotnetjunkies.com/weblog/davetrux/posts/5306.aspx Except none of the workaro...more >>

In older versions of Visual Studio, one could set compiler directives that only executed when an app was in debug mode. It was done by prefixing stateements with the "#" symbol. Is there a way to do this in asp.net, c#? Thanks... *** Sent via Developersdex http://www.developersdex.com *** ...more >>

What is the code in C# to have a pop-up when a function throws an error? catch(Exception ex) { Show pop up with text from ex in it? } ...more >>

Hi everybody, Has anyone changed the session state in web.config programatically through the applications. Any Help will be appreciated. Thanks. ...more >>

Hi When I try to create ASP.NET Web Application I get error :HTTP/1.1 500 Internal Server Error I tried aspnet_regiis -i it doesnt work. What Can I do? Thanks ...more >>

Hi all, I am developing a UI framework for several customer projects. The main layout of the web page and the navigation is part of the framework, customer projects just have to add customer specific controls and setup some configuration files. I have some problems with how to setup this frame...more >>

In the page behind code during the Page_Load event, how can I get/set the attributes of a <DIV> tag using VBScript? For example, with the following <div> tag, how do I get to this object and change the style attribute to DISPLAY: block? <div id="divTopicHeading2" style="DISPLAY: none">...more >>

Hi! I am developing with ASP.NET (VB.NET), I have my web server hosting my aspx pages, in another server I have my COM+ components, I have exported my Application Proxy from that component, I have installed that Application Proxy in the web server, both of them servers are in the same domain. I h...more >>

Sorry to double post, but I figured I would get a better response here. Trying to assign a strong name to my assembly. I've created the .snk file for it. My assembly is called Common. Mail In Assembly.cs, if I do this: [assembly: AssemblyKeyFile(@"C:\Program Files\Microsoft Visual Studio ...more >>

trying to create an update/insert button basically if the record exists in the database i want to do an update if it doesnt exist i want to create a new record using insert all using the same button my code (which is a mess from playing around!) (this is a test page im playing with) ID in th...more >>

Hi folks, Given the nature of asp, when I'm constructing data bound middler tier objects, is it necessary to implement the Idisposable interface or is it good enough to rely on a Finalize call. Most of my applications will be using Forms authentication and as such the sql server connectio...more >>

Hi, Im creating a dynamic table control. I have an Add Row button tha lets me add a new row to the existing table. However, each time I click the button, my table is recreated. Basically - if I click any button and a round trip is performed, m table dissapears. How do I prevent that ? Thank...more >>

I have a simple datagrid on a webform. (I'm using VB.NET.) In the page load I get some data, set the .DataSource property of the dg, then do a .DataBind. The columns are automatically created. Question: How can I dynamically change the width's of these columns? Thanks in advance. ...more >>

Hello, Can someone helpme? I have a datagrid in wich im using column templates for the edit = command, with comboboxes. The datagrid works fine for the first time i execute the edit command = but the second time it gives me the following error... Failed to load viewstate. The control tree in...more >>

Hi I have a web form that includes mutiple controls, each of which has its own submit button. Problem is, when I hit "enter" in any of the form fields, irregardless of which component it comes from, the first form button is ALWAYS activated is there a way to control which form button has "prece...more >>

Every time I build, I have to delete the DLL from the bin directory or the debugger will run the old DLL file. (actually, happens on release versions too). I asked about this earlier, too. Thoughts ...more >>

Given System.Web.UI.Control Control Can I determine the height of Control without knowing specifically what it is? ...more >>

In your opinion where would you put global text that would appear on every page and always be the same. For example suppose you were creating templates and every ASAX file was going to have the META tags, "Keywords" and "Description". Where would you store this so it could be loaded dyna...more >>

Building a simple ASP.Net page under VS '03 (Visual Basic) with methods defined on a "code-behind" page, and I keep getting a "Name <whatever> is not declared" on each of the method invocations. Am I missing some kind of DECLARE or USES here (even tho the PAGE directive includes the CODEBEHIND ...more >>

Hello I know you can change the color, borderstyle,...from textboxes and buttons. Is this also possible for a dropdownlist ? Greetings Roel ...more >>

Is there anyway to change which version of the CLR to use in Visual Studio .NET 2002 Enterpise Edition. I would like to use the current CLR without having to dish out more money for VS.NET 2003. I bought 2002 and in a matter of a year they come out with 2003....more >>

I'm trying to put an assembly into the GAC. The assembly is called Common.Mail. I've done the following: - Create a strong name for Common.Mail: - From command prompt: cd Program Files\Microsoft Visual Studio .NET 2003\SDK\v1.1\Bin sn -k Common.Mail.snk - Link Assembly at command line usin...more >>

We have an abstract class with all static methods. It makes sense to have it static because there are no member variables and the constructor is empty. Some of the methods update the SQL Server database and we were wondering if there would be a problem if two threads called that method at the...more >>

It appears that VS.NET limits the size of a web form to the size of your screen based on the resolution of the machine it's running on. Is there a way to make the size of a web form larger than the size of the visible screen at a given resolution ? Thanks....more >>

I've seen plenty of examples of file uploads in ASP.NET when the only form element is the file input type, but I've not seen a practical example of a file upload routine running alongside other form elements, e.g. a text box for a description for example. If the form is being posted in multipar...more >>

Here is an error message I received when tried to create new web project with C# for .NET The Web was created successfully, but an error occured when trying to contfigure the application root for this Web Web projects may not operate correctly without an application root. The returned arror was A...more >>

In the following code I'm making a list of links. When you click a link I want an event to be raised. I have inserted the Event-code in the bottom of this mail. When I click a link a postback is made, but the method lnkShowList_Click is ignored. What do I do wrong? TableRow tblRow; Table...more >>

Hi all Anyone knows how to get the caret position in a rich text box Thank you...more >>

h i already use web service for data communication but i would also upload and download files (.jpg) houw could i do this?...more >>

Is there anyone her who knows how to use slashes as querystring. What I want to do is using the url: http://localhost/urltest/?id=23423ea342 to appear as http://localhost/urltest/23423ea342 I am using C#.net. Any help will be greatly appreciated Regard Nils...more >>

Hi I was wondering wether it was possible to upload files to a server using only ASP (without external components, such as "AspSmartUpload") and te code might look like Thank you -Dany...more >>

Good day everyone I'm a bit confused about whether the "Server Application Unavailable" status of my website that frequently occurs when several users are simultaneously logged into it is a symptom that the asp.net worker process has restarted or that it is 'stalled' and is about to be restarted ...more >>

Hi I am using a datagrid for paging. I wrote the code as suggested by msdn. It shows me all the pages.The issue here is when i click on other pge pageindex changed is called and again binding happens. but, the page contents are not diaplayed accoding to the page. It shows 2nd page as selected in l...more >>

I have a problem communicating between two usercontrols. I have a template.aspx file with two usercontrols: <uc1:FAQList id="FAQList" runat="server"></uc1:FAQList> <uc1:FAQCreateQuestion id="FAQCreateQuestion" runat="server"></uc1:FAQCreateQuestion> After a postback I want the FAQList u...more >>

HI, I have 3 pages where I collect userdata that I want to show in a confirmationpage. Which is the best way of passing data from page1 to page4, page2 to page4 and so on? I like public property and context.handler way but i just works between sequential pages doesn't it? Do I have to use Sessio...more >>

Hi, when I start my asp.net page for the first time I almost always get the following output: form name="Form1" method="post" action="Login.aspx?ReturnUrl=%2fatv2004%2fDefault.aspx" id="Form1"> After refreshing the page everything is perfectly fine and the page gets rendered....more >>

H I have a problem with the browser in visual studio.net I have created a Web Forms pag I have added Button and TextBox onto the pag I have created an event handler for the click event of the botton contro In solution explorer, right-click webformx.aspx and then i clicked build and brows The p...more >>