I want to create a checkbox that when clicked, selects/deselects all items in a list box, on the client side (no round trip) What kind of code should I add (and where in the asp.net web control) ? ...more >>

Hi All, I am using a regular expression for validating an email field. ValidationExpression="\S+@\S+\.\S+" This validates if the @ and . are missing but I need a more tight validation - only 1 @ should be there etc. Any help is greatly appreciated. P.S I would have researched this more...more >>

Hi; Is there a way to assign an object as the DataItem for a FormView? I need to edit/view/create an object that doesn't really map to a row in a database. -- thanks - dave david_at_windward_dot_net http://www.windwardreports.com Cubicle Wars - http://www.windwardreports.com/film.htm ...more >>

Hi , I'm attempting to use the Regular Expression Validator to cehck for the following conditions: <sequence of letters><sequence of numbers> or <sequence of letters><sequence of numbers> \ <sequence of numbers> or <sequence of letters><sequence of numbers> \ <sequence of numbers> \ <s...more >>

how can I make sure that the user can't select a date earlier than the today's date ? ...more >>

Hello I'm using MS Visual Web Dev 2005 Express and did the tutorial to make a simple web site with C# code behind. Works fine with the ASP.NET development server that runs with Web Dev. When I move the files to an IIS server however I consistently get a "Server Application Unavailable" error 5...more >>

I am creating a date selector using the .NET calendar control. I have an icon on my webpage and once the icon is clicked i want a DIV containing a calendar control to popup and have the user select a date and have that date put into a textbox on the webpage and the DIV with the calendar con...more >>

Hi; How can I disable the prev button in a wizard from my C# code behind? On the last page a prev is not allowed. -- thanks - dave david_at_windward_dot_net http://www.windwardreports.com Cubicle Wars - http://www.windwardreports.com/film.htm ...more >>

in the Page_Load event the following code works at design time but does not work when placed on the production server. I get an error "Object reference not set to an instance of an object." the snippet is: Image img = new Image(); img = FormView1.Row.FindControl("ProdPhoto") as Image; i...more >>

I'm having an issue with trying to access the client-side ID of a control in a WebControl that I'm designing. Basically, I'm attempting to add a JavaScript onclick event handler to an image and pass the ID of another control to the the function that the event handler call. Example: My...more >>

Hi all I was wondering if someone could clarify how to use a RegularExpressionValidator on fields in a Repeater.. I have a button for each row and i only want the validator summary to check the fields on the same row as the button i click. Is this possible?? Right now it doesnt matter wh...more >>

I'm using this zone to change the appearance i.e. height and width of a web part at design time however when I saved the changes by pressing ok / apply the size of the web part remains the same. Am I supposed to change the properties on the web part to support resizing perhaps? The change...more >>

hi ladies and gentlemen how can i call a control dynamically? for example for(i=1;i<10;i++) { "label" + i + ".text" =i*2; } thanks ...more >>

I have successfully gotten thru and coded up a basic MyDataBoundCntl : DataBoundControl Imagine I have a list of 3 people. John Mary Joe The output of my control is a table, with 3 rows. By their name, I've added a checkbox ( Checkbox cb = new Checkbox(); the I add i...more >>

Hello, I have a question concerning UpdatePanel. For example, I have two linkbuttons at the UpdatePanel. I want the Button1 linkbutton to update controls within panel (the TextBox1 control in this case), and the Button2 linkbutton perform redirect to another page. When I click on Button2 it ret...more >>

Do you know if it's possible to customise this class so we could see a list of all web parts on the right hand pane and then drag and drop them into the appropriate web parts. Rather than using the default interface which present a list of the web parts with a check box next to each one. ...more >>

I have a CreateUserWizard control on my page, with an additional two panels to register a user. I have FinishDestinationPageUrl set to default.aspx, but clicking the Finish button just reposts the page. It doesn't redirect me to default.aspx. What is going on here? Jason ...more >>

Hi all, I'm working with a detailsview control which default mode is set to 'Insert'. This control has AutogenerateInsertButton set to 'yes'. So basically, I'm always in insert mode, and I have only one field to display. The problem is that there is an auto generated 'Cancel' button which...more >>

Hi. I'm creating a custom WebControl that extends GridView. This control loads its columns dinamically reading from a XML configuration file. Many columns loaded by the control may be a custom DataControlField filled with an ImageButton. I'm able to handle the click or the command event gener...more >>

Hi; In a wizard step I have two validation groups. I need one of them tied to the Next button for that step only. How can I do this? -- thanks - dave david_at_windward_dot_net http://www.windwardreports.com Cubicle Wars - http://www.windwardreports.com/film.htm ...more >>

Here is the situation, we have a website running .Net 2.0 framework. There is a page that we use a checkboxlist control for users to designate generic required file types. Users would like to be able to add a short note to each item (for example, the file type would be 'letter of interest' t...more >>

I have tried everything I can think of, I have even tried copying examples from books and websites I have found, but every Formview control that I have tried to create does not show the Paging controls. The first record from the DataSource is displayed, but not the Paging controls. I have trie...more >>

Hi I have a rather odd problem when using my custom control in a FormView control. The custom control inherits the CompositeControl. It is two DropDownLists. The first DDL binds to a DataSource internally. When a user selects a value in the first DDL a second DDL is bound to another DataS...more >>

hi all, I'm creating a cookie in the http context as follows: Dim objCookie As HttpCookie = New HttpCookie("UserDetails") objCookie.Values.Add("UserName", rRow("UserName")) Response.Cookies.Add(objCookie) When I try to delete the cookie using: Response.Cookies.Remove("UserDetails")...more >>

Hi; We have a problem that we have 7 validators for a form and while they are hidden when the form values are ok - the hidden text does take up space leaving a couple of blank lines that look wrong. Is there a way to have validators that are valid take up no space on the form? -- than...more >>

Hi I'm trying to write a server control that contains the collapsiblePanelExtender from the ajax toolkit. But I have the following error when i try to show this control: Extender control 'ctl00$contentHolder$ctl00$Ant_baseModule1_cpeDemo' is not a registered extender control. Extender cont...more >>

I am trying to display default values in bound fields on a detailsview form when the page is first displayed for insterting a new record. The user can then override the defaults and click insert to actually add the record. I currently have the insert command with the corresponding desired de...more >>

is it possible to open explorer.exe from asp.net ? i tried this woth access denied error " System.Diagnostics.Process.Start("explorer.exe", ""); " anyother working method? or no way at all? thanks. ...more >>

Hello, I use a repeater to display "Name" and "Order". I hope that users can change the "Order" field from the browser. And, if they input invalid value (such as string) in the "Order" field, I hope the validator control can alert them. Can I do this with repeater? Or I should use other we...more >>

I set a textbox font to courier new so date strings would show up with consistent spacing. It looks perfect in the VS2005 designer. If I publish and run firefox it looks perfect. IE6 on a win2k or IE7 on XP (or hitting F5 in the debugger) all show improper spaceing, as if the font family wa...more >>

please reply it fast. its urgent for me. thanks ...more >>

I know that there is a autocomplete property for the HTML "INPUT type=text" control which if set to OFF, disables autocomplete of the input textbox (doesn't remember previously entered values) However there is no such corresponding property for the TEXTBOX ASP.NET Webcontrol in ASP.NET 1.1. ...more >>

I have a custom usercontrol in ASP.NET 1.1 named BreadCrumb.ascx which contains another control also called BreadCrumb.ascx within itself. Thus the parent BreadCrumb.ascx control is simply a container of the real (child) Breadcrumb.ascx control. When I use this parent BreadCrumb.ascx user co...more >>

Hi all, I'm building a custom control. I would like that on the control you can set some 'rights' For that I have an enum: public enum GroupRights { Group0 = 0, Group1 = 1, Group2 = 2, Group3 = 3, Group4 = 4, Group5 = 5, } In design time I want to set these right (can be multiple...more >>

As most of us probably know, the <center> tag is deprecated. Because many elements and controls have an align attribute, centering them is easy enough. However, certain elements/controls do not (such as the ASP.NET Button and Label controls). For the ASP.NET label control I usually just add ...more >>

Hi, I need to do some graphics work from my ASP.NET 2.0 Website (can upgrade to 3.0 if really needed). Actually, I need the user to be able to draw some things in a rectangle. Some years ago I would have do it using ActiveX, but now I know MS has a new philosophy about this, probably driven t...more >>

[apologies if this is the wrong newsgroup, couldn't find one for atlas/ajax] Hi all, I have a custom server control (inherits from control) that is, essentially, a DIV containing a table with several rows, each of which has a DIV in it. It is basically a menu of items. When the user clicks...more >>

Hello everyone, Im implementing a gridview to render some controls depending of the databound conditions, in some cases are textboxes in another cases are dropdownlists, the grid seems to be working well, in the page appears the controls and let me put or choose values in them, but when a I...more >>

I have a page that determines some of what to display based on HttpSessionState. When I go to it the first time, it displays everything the way I would expect. Then I go to another page on my site (by clicking links, so I am still using the same browser window), which calls Session.Abandon() ...more >>

I want to eliminate the little triangular arrow poinger that appears tot he right of the menu item. Which control setting lets me do that. ...more >>

I am trying to create a FormView controls in which I access and modify the the controls in the PagerTemplate programmatically. However, I continue to recieve the following error: Object reference not set to an instance of an object. I am attempting to access the controls in my PagerTemplat...more >>

I'm interested in using a 3rd party control from Telerik, Web SuperGoo, Element-IT or MediChase. Telerik seems to have better performance than the others. Has anyone had any experience with Telerik Upload or any of the others? ...more >>

Hi, I have this dropdown that doesn't seem to work when i change its state in IE. It works perfectly fine on FF. When the state of the dropdown changes, the page posts back and remembers the selection in FF but in IE it always defaults to the first one. Any idea on how to fix it and why ...more >>

I've got a very "default" GridView control that is only showing 3 cols of my dataset which has 11 cols. I do have AutoGenerateColumns property set to true. Here is my code: <div> <asp:GridView ID="GridView1" runat="server"> </asp:GridView> </div> Here is my code file: res...more >>

Hi all, With the advent of Service Pack 1 for Visual Studio 2005 we at last get a possibility to convert our old ASP.Net 1.1 web application to ASP.Net 2.0. We converted it. And we were unpleasantly impressed. There are many just praises about reduced ViewState but what about another controls? ...more >>

I am having problems interacting with flash objects (i.e., Adobe Flash Player 9) in web pages when using a System.Windows.Forms.WebBrowser control. The flash objects always seem to display correctly, but when I click on a link within the flash object the WebBrowser often fails to navigate to ...more >>

My menu and sitemap: home foo bar foo1 bar1 foo2 bar2 Ho do I eliminate the home and make my menu look like this: foo bar foo1 bar1 foo2 bar2 ...more >>

I have a DataList in which the ItemTemplate contains two Button controls that use EventBubbling. When I click either of them I receive the following error: Server Error in '/' Application. -------------------------------------------------------------------------------- Invalid postback or...more >>

Hi, i created an ImageButton within an ItemTemplate of a datalist (in shop.aspx). There are two possibilities: 1) when the user is logged and he clicks on an image, he must be 'postbacked' to another file showing that same picture in big size and with more info.. 2) when not logged and cl...more >>

Hey All, The code below worked fine in ASP.Net 2003: <%@ Register TagPrefix="CustomValidators" Namespace="CustomValidators" Assembly="MyAssembly" %> Under VS 2005, I get the following error: Could not load file or assembly 'MyAssembly' or one of its dependencies. The system canno...more >>