I'm adding checkbox controls to a panel in a post back, I then have a second post back in which I attempt to process the checkbox controls however they seem to have disappeared off the panel. The following code demonstrates what I'm trying to do. Can anyone explain why there is no checkbox...more >>

Hi all I would like to know who is logged in so the code will run differently e.g. if username="user1" then end if how can I tell who is logged in? TIA Guy ...more >>

Can I use access for big database (cca 10-30 MB, cca 10-30k lines in database). It will be asp.net 2.0 aplication and very fast server. Mostly simple transactions (like SELECT * From Books Where Name like 'SomeName%'). Can it be problem if I have 10 000 unique visitors per day? I see that man...more >>

Visual Studio 2003 constantly changes HTML on my webform - For the worse! I've experienced this before, but now its really causing problems because it wrecks the page. How do I prevent VS from modifying my HTML? Specifically its changing an <object> within my page. Thanks....more >>

Situation: Using C#, ASP.Net Requirement: 1. ASP.net application with virtual hosting service. 2. Requires a service that will run every predefined frequency in minutes (2, 30, 100, 10000) defined in web.config and do some data crunching in the database How am I doing this? I would prefe...more >>

Hi, I am creating a .net application where I have to identify a location from its longtitude and lattitude. For this I need a GPS location database. Please let me know where can I get it. Thanks, NIs ...more >>

I have an old existing website with a Header/ Left Hand Menu and a iframe as the main body content, adjacent to the menu. So for every click on the menu item, I used to load a aspx page on the iframe and hence i am not loading the entire menu and header for each request. When I try and port th...more >>

Hi, I am newbie to asp.net. I have small doubt regarding page life cycle. MSDN documentaion says that init event does blhah, blah load event does blah blah etc. But Id ont see any init or load event handlers in base page class. Are there any handlers for these with different names. Or Page cl...more >>

Hello All, My web Client is using a COM component with connection point enabled.my client is getting call back from this component.now I have to update a text control in handler of this callback.but my control is not updating.can any body tell me how can i update textbox when i get a thread eve...more >>

Hello, I've got an aspx webpage with: - MyUserControl1 (which shows some labels) - A Panel containing MyUserControl1 - DataGrid, which has a column that when is clicked fires Sub edit_ <asp:datagrid id="MyDataGrid" runat="server" Width="100%" Visible="True" oneditcommand="edit_"> .........more >>

I'm using SQLDataSource, which generates some kind of dataset, and then I attach that datasource to various data display controls such as DataList and repeater which loop through to the end of the data that was retrieved by the query. At times I may want the display control only to render s...more >>

I'm interested in programmatically manipulating groups of ASP.NET controls by type. Can someone suggest code for the following? Loop through, say, all label controls on a page, and assigning a CssClass to them, or programmatically making the Visible/not Visible. If applied to a containing ...more >>

Hello and Merry Christmas! I flip in my card play some cards using the call "drawimage". These flipped cards are saved in temporary images on the server: temp1.jpg, temp2.jpg... Everything works fine if only one user plays. It seems to be better so save these temp. images on the local pc. How...more >>

My gridview is ties to a table of states. These are United States states, from the greatest land in the world. The numeric column is an autonumber, hopefully you've heard of that. If not please google "autonumber" before proceeding. Here is a small sample, so you can clue into what I am doing:...more >>

Dear all I create a master page with image buttons on the left-hand side for navigation. When a user clicks the student button, the content (i.e. ContentPlaceholder) in masterpage will be changed from default.aspx to students.aspx. I tried to create a subroutine in MasterPage.master.vb to d...more >>

Hi all, I just wanted to hear other peoples opinion with regards to how/if outdated ASP.NET is. ASP.NET (and ASP.net 2.0) is based on framework from 2000. It was a great stride forward at that time, the other popular option at that time was jsp/ejb. Since that time a major paradigm shift ca...more >>

I'm looking for some design guidance on a collection of projects I'm working on. The project involves a bunch of websites constructed out of a collection of user controls. Different user populations with different access rights and "roles" will be visiting the site. I will be using ASP.NET ...more >>

I need to use the ActiveDirectoryMembershipProvider in my application. I have setup the provider in the web config, etc. When I use the ASP.NET configuration utility and select the Security tab, it throws an exception saying that the attribute 'userPasswordQuestion' specified for the attrib...more >>

My root app uses some basic url rewriting in an http module. This interferes with an application I've just installed in a subdirectory Removing the httpmodule reference from the web.config in the root app makes both of the apps work together fine but for obvious reasons I'd prefer another so...more >>

Can someone point me in the direction of a method/solution for generating word documents on the fly? I have been programming my files in rtf, but the filesize gets tooo big when I start using images and tables. I really need to have word format. I've seen programs like aspose.words. How is tha...more >>

Hi. I'm new to asp.net and I've been searching on the net and in book on how to use custom namespace. I've created my own custom namespace and I just need a straight answer on where to put the namespace file so I can import them in the webpage. Can someone clarify? Thanks. ...more >>

I'm noticing this since I started developing a website project: my = session variables are getting empty! I did a real easy test, and I checked my session variable is getting = empty!! What is happening? For example (VS2005, IE6/7, running in filesystem): - In the Page_load of page1.aspx: ...more >>

HI, I created the simplest "ASP .NET Web Service" by using VS 2005 and Visual C#( File | New | Web Site). However, when I tried to access the service from IE 7.0 http://www.aztao.org/WebService/Service.asmx (the fie DOES exist which can be verified by typing http://www.aztao.org/WebServic...more >>

Hi. We have a resource assembly that is separate and is used by a class library assembly, a web app, web service set (all in separate projects). Windows app is also potentially possible. First of all, VS2005 generates resource wrappers as internal, so we have to use InternalsVisibleTo to make...more >>

I'm doing a little reservation website and I have two tables: Modules and Reservation In MODULE I have every module from a doctor with the day and the hours that he goes to work, for example: doctor | module | hour | day -------------------------------------------- 1 1 ...more >>

I am using a RegularExpressionValidator to validate a TextBox. I use "^[\+|-]?[0-9]+(\.[0-9]*)?$" to check for a real number. The control works fine as long as the user enters something in the TextBox; it does not work if the user leaves the TextBox blank. Is there a bug in the implementation ...more >>

I never seem to get a response to my post about AJAX and asp.net. Maybe I am not posting in the right place?? Well anyway here I go again... I have a Wizard and when I am on step 3 and hit page refresh the page reloads and step 3 is displayed. Great! Now, when I put this same wizard in an A...more >>

Would you tell me what is difference betwen C++ and C#.? ...more >>

I had .net framework 2.0 installed in my system. I then installed iis 5.0 . I am getting this error "Failed to access IIS metabase" URL accessed : http://localhost/Test/Hello.aspx Description: An unhandled exception occurred during the execution of the current web request. Please re...more >>

Hi all, I have an asp.net 2.0 web site with a DetailsView control to select and insert data from database. I made the insert statement for that DetailsView by a stored procedure. I made some logic in the stored procedure so it returns a value in certain cases. How to detect the return value ...more >>

A ASPX page has a DataList control with a few Labels. This page also has a CheckBox which resides OUTSIDE the DataList. By default, this CheckBox is checked. If the CheckBox is checked, then the Labels existing in the DataList should be visible but if the CheckBox is unchecked by the user, the L...more >>

Hi all, I have the following issue:. I've got datatable that I am intending to bind to a dropdownlist. While debugging I am certain that my DataTable contains 3 valid rows. However, after the binding statement ends, I have three row that read 'System.Data.DataRowView' instead of ...more >>

Hi! I have a problem which I think has a simple solution, but I can't figure out why it's not working. Some background... I'm populating a GridView with info from an Access database like this: Public Sub LoadGrid() Dim ConnectionString As String = "Provider=Microsoft.Jet.OLEDB.4.0...more >>

When I put asp controls inside the LoginView it removes the codebehind references so that the page will not build. For example: <asp:LoginView ID="LoginView" runat="server" > <LoggedInTemplate> <asp:LoginName id="loginName" runat="server" FormatString="You are logged in as...more >>

Hi, I am trying to create a ASPX page which will list items with a checkbox beside each. The user has to be able to select items using the checkbox to do some further processing. If I use a gridview control, the checkboxes are all disabled, and I find that I have to have a Edit button for eac...more >>

hi there, i am busy coding a fix for Santa's package labelling system. i have come across some wierd behaviour with enableViewStateMac on this server. this web has a page a.aspx with a textbox and a submit button webform controls, and a page b.aspx displaying the contents of the textbox from...more >>

I have Requierd Field validators with several controls on a form. The Requires Validation property on the fields are set to True. In Debug mode, the validators work as expected. If the fields are left blank, then the warning message is displayed when the form is submitted. But the behavior c...more >>

Hello, I am learning .NET (3.0). I am writing ASP.NET application and I need to store some extra information (like default settings for each user. In web.config I added: <profile enabled="true"> <properties> <add name="DefaultProject" type="string"/> </properties> </profile> Bu...more >>

Hi EveryBody, Well I need your help about the Add Rotator. I want to set the Advertisement File property of the Add Rotator set to an XML File which contains info about the Adds. Now Problem is that it does not play the .swf files, but only .gif files. Code I got from Internet is as follows...more >>

Hello I am experiencing duplicate Page_PreRenderComplete events. I am using webservice in async mode. Skeleton is, class class1: System.Web.UI.Page { private int test=0; protected void Page_PreRenderComplete(Object sender, EventArgs e) { test++; div1.InnerHtml +=...more >>

I am creating an ASP.NET application in a subdirectory of what IIS uses as the root directory (C:\Inetpub\wwwroot\). I am using the version of IIS that comes with Windows XP Pro SP2. Some of my code in my ASP.NET application uses root-relative URLs, such as /images/background.gif. However, bec...more >>

Hi, i read a lot of ajax stuff and i was asking myself this: when clicking on the fieldname in a gridview (sorting enabled), the whole database is sorted according to that field. Is the whole html- page refreshed when doing that or only the data in the gridview, and in that last case, can w...more >>

I've created a shareware product and need a website to sell it and tie into various payment services. Can someone explain the purpose of WDE, VBE and FP, and when you would use one over the other? Thanks, Brooks ...more >>

Hi, I'm working on a pagination control and I need to dynamically rerender a treeview to display the next set of nodes depending on which page we're on. For example, page 1 will dispaly only nodes 1 to 10, but when the user clicks [next], the tree will display nodes 11 to 20. Page 1 will i...more >>

I am trying to get the text of an item in a GridView, but am doing something wrong. Can someone help me with the correct C# statement I need? Below is my GridView and my attempt to get the control. Thank you. string option = ((TextBox)dgDropDownMenus.Items[e.Item.ItemIndex].FindControl("txt...more >>

i'd like to have a gridview of detail items in the selected item row of a gridview. Such that: gv1 row1 row2 row3 (selected) gv2 row1 row2 row3 row4 row4 row5 There has to be a good artical out there some place.... Thanks KES -- thanks (as always) some day i...more >>

Hi, I have a question regarding data access, here is my scenario, when a user create username, that username is check against username table, if new request username is existed already, then return it to user who originally requested. if that username is not existed previously, then added it in...more >>

All, Who knows how can we make the IE open the file with some non-standard extension? I have a new file type, say .MOX, I corrected the association on my computer for this file extension, when I click on it it opens me my own program and the program takes this file as a command line argu...more >>

Hi I wrote a WebService : http://www.sharonhak.somee.com/SmsWebServiceRecevier.asmx but when trying to add the webRefernace to another applicate I Cant Do So !! why? Thanks S.H ...more >>

I'm thinking of a content management scenario in which you have a news article, and then a photograph and caption that you want to appear in the middle of the article text. The text of the article is a string pulled from a database -- let's call it ArticleText. I'm wondering if it is possib...more >>