Hi Can any one tell me how to make calculator in asp and cold fusion. post your option here please Asim ...more >>

I would like to have my control provide a Required property, and if this property is true, attach a RequiredFieldValidator. This approach works fine for a 'simple' control, but it fails for a composite control, where the control is implementing INamingContainer. It appears that the problem i...more >>

Hi all, I'm working on a custom tab control, which has a custom collection type, which is a collection of Control classes. When editing a property of an item in the collection, fore example the ID property, everything works fine until I switch from Design view to Html view. The adjusted ID ...more >>

Hi, I created a DataGrid programmatically, my problem is that I dont know how to associate a function with the OnItemDataBound event of the Datagrid if it's created programmatically. Would anyone help me do this? Any help will be much appreciated. Thanks! Mayet Here is a samp...more >>

Is it possible to reset the counter of the automatic id generator of the ControlCollection? When I add a Control to a new ControlCollection it recive the id "ctl1", if the ControlCollection is cleared, the automatic counter won't be reset and the next added control recive the id "ctl2". ...more >>

I have created a coposite control, consisting of text, labels , radiobuttons and checkboxes the purpose is to create a generic control to manage user accounts both as an admin and as a user. I have a property that tells me wether they are adding a new user or modifying a current one. a sni...more >>

All the documentation I've found suggects that all you need to support on your object to stick it in the ViewState on a control is the IStateManager interface. However, with the IStateManager interface implemented (in my example on ComplexObject), I get the infamous error: [HttpException (...more >>

Hey, We're looking to purchase some books for the developers. I'm wondering if anyone can recomend some good reads for building controls. Good Reads, and a Good Reference material. Rtenrier ...more >>

Hi, I have a custom control, defined in the file LinkLabel.cs, compiled into assembly MyControl.dll namespace MyControl { [DefaultProperty("Text"), ToolboxData("<{0}:LinkLabel runat=server></{0}:LinkLabel>")] public class LinkLabel : Label { ….. } ..... } The controlâ€...more >>

can someone confirm this is a bug, or possibly come up with an explanation and a fix? It happens in VS.Net 2003 http://www.ingvarius.com/intelli05/ It is all very simple, my DataLabel control inherits directly from the System.Web.UI.WebControls.Label. -- Ingvar Nilsen...more >>

Hi all... This is the situation: A page with a button and a custom control. The custom control sends an event. The page is notified and then turns the button.Enabled property to false. All of this is done before the Page Render event; but when it's going to be rendered the Enabled property ha...more >>

Hi, I created a custom tabstrip control, referenced in my aspx page, and added to my source. How come it doesn't appear as a grey box in design mode like user controls do? Do I have to set a property for it do this? It works as expected but you can't see where the control is placed real...more >>

Hi As the Sharepoint webparts inherit from WebUserControl anyway - can one use a standard Sharepoint WebPart in a webform (in ASP.NET 1.1)? Thanks! ...more >>

So far I've tried two rich text editors: EasyWebEdit: http://www.easywebedit.net ActivEdit: http://www.cfdev.com/activedit/ I'm not completly satisfied with any of them. Could someone recommend me another one? The following features should be available: - Spellcheck in norwegian - Upload...more >>

I am trying to create a custom ASP.NET server control which has a field while requires a file browser (similar to the src property in the Image server control). I know I need to use the System.ComponentModel.Editor(typeof(..)) syntax, but I don't know what type to use... can someone help me ou...more >>

Hi, Im starting to do the navigation of a portal, and for it, im using usercontrols.... Actually i have a user control in the top of the page that has some menus (contact, register, etc...) Depending of the menu that the user will clik i make a LoadControl to the specific user contro...more >>

Hi People, I have got a simple question to ask. I am trying to build dynamic controls in asp.net. I have managed to build them successfully. I have also managed to add the event handlers to all controls I want to monitor. I have the following code line: - ((CheckBox)ctl).Attributes["oncl...more >>

I have written a class to be used by asp.net applications that provides a useful function. Other than the constructor, it has just one method. There is no need for properties or events. Prior to .net I would have just created a dll from my class and distributed it to users with instructio...more >>

I'm writing an aspx server control and I need to have a property that displays a dropdown list of things I have in an arraylist. I'm trying to do the kind of thing that, for instance, the datagrid component does where it shows a list of all of the datasets on the page that could be chosen for...more >>

Hi, I have a question regarding the DataGrid control. If paging is enabled the grid binds the data, sets the paging on the top/bottom (or however it is set up) and throws away unnecessary data. So far so good for a tiny amount of data but if some 100000 of rows are the source this appro...more >>

Hi, This seems to be a simple problem, but I am unable to figure out what is wrong: I have a Web Custom Control, with two properties (both are strings). When I change these properties in the property editor, everything goes ok, and the attributes in page reflect the change. But now I...more >>

I want to compile my images into a resource file and then use this for my <img> tags in my table (<table><tr><img scr=(my resourcefile)</tr></table>; instead of having a list of images on my server... How can this be accomplished?? Thanks you! /Ole ...more >>

I have a usercontrol showing some generic information across multiple screens. As per MS, caching is disabled by default so i didn't put a @OutputCache directive in my control. I found the control being cached at several occassions so was forced to put some code to disable caching explicitel...more >>

Hello Friend, Do you know you can earn $114,668/- in just 1 or 2 months. Success depends on choice and not chance. There are millions of opportunities on Internet but only few are genuine rest all are scams and frauds, and genuine opportunities are hard to find. What if I tell you that y...more >>

Hi all, I have a webcontrol that supports template. Everything works fine except that in Design time (in ide) when i click on the control inside the template the property window does not show the events this control have ! How can i do in order it works ? ...more >>

Hello, i'd like to know how to get the html result from a control, the html that is sent to the client, in a variant? Thanks Pietro...more >>

I'm having trouble getting my custom control to save properties that are decorated with the PersistenceMode.InnerProperty attribute. The properties that are saved with PersistenceMode.Attribute are saved OK. The class below is built into it's own assembly, added to the toolbox and then added t...more >>

Hi, I'm using XML and XSLT to format my HTML. After a postback I recreate all controls as soon as possible (OnInit and after the LoadViewstate). After the recreation all events are handled correctly. However, some events make adjustments to the XML. Because of this changed XML I need to recreate...more >>

Hello all, Going to make this short and sweet for now, need to dig myself out of a foot of snow this morning. :( I have a data Grid, everything work well, except for the button. Here is my error: "Index was out of range. Must be non-negative and less than the size of the collection. Parame...more >>

Hi, I want to use a user control on my page. I want to reference to the control class from the page’s code-behind. I registered the control: <%@ Register TagPrefix="uc1" TagName="ButtonList" Src="ButtonList.ascx" %> The control is used in HTML code: <uc1:ButtonList id="ButtonList" ...more >>

Hi All. I would like to know, HOW can I add control (textboxes) etc to my web form in design time? I have tried everything... someone @ MS should be able to tell me. Thanks. (I can post my code...) ...more >>

Hello all, I have an asp.net textbox (named txtHidden) and an HtmlButton(named btnAction). I wanted to write a javascript function which will get called when the btnAction is clicked. The function is as follows function HideText() { document.all.item("txtHidden").style.visibility = "hidd...more >>

I am writing a custom control to display the contents of a shopping cart within a table. The quantity of each item appears in a textbox inside a cell. It all appears just fine on a web page, but I do not know how to access the contents of the text boxes. Adding the runat="server" attribute se...more >>

Hi all, I have created a control that dynamically changes it's own content after the user posts back data. However, each time this is done the user's interaction is added to the history stack even though the user never leaves the control's parent page. This is resulting in a 'The page canno...more >>

Hi There! I'm having a mysterious error right after I login using Forms Authentication in my ASP.NET app. Below is the error... Exception Details: System.NullReferenceException: Object reference not set to an instance of an object. The exception throws at the code that tries to set a pr...more >>