Hello, how can I find out in Page_Load which linkbutton event is fired? Thanks for any help in advance!! Andreas ...more >>

I've noticed something in a calendar control I'm writing relating to event processing. My control has some links built into it to allow you to move forward and backward one or more months at a time. When one of those links is clicked, an event is generated that the control library processes. Th...more >>

I wrote a templated control for generating queries. initially, I had set ParseChildren=true. This worked really well, but I though I could improve upon it to allow users to use declarative syntax for some of the collections in the control , such as SearchFields. Thus, I set ParseChildren=false a...more >>

Hi there, I'm developing a custom control which hosts several class properties. for instance: The control hosts a composite BarStyle property which has thre properties and a simple Count property (integer) I can view and set these propertes in the property editor. when I switch to th...more >>

Hi, I need some help to sort things with a server control. Two linkbuttons, one will read a directory and create a checkbox for each file in the directory. After choosing files by clicking the checkboxes the other linkbutton is clicked and the checked files will be added to an arraylist I...more >>

Hi. I have a user control as header.ascx, and it's in inetpub\wwwroot\admin\control directory. admin is the application root directory. I include it in a file called home.aspx with the following line. home.aspx is in the application root directory. However, it does not display. <%@ Regi...more >>

Can anyone suggest a book or two on how to build webcontrols that work with various data sources? The Microsoft documentation absolutely sucks the big one (IMHO, whoever released the framework documentation as it currently stands ought to be summarily fired for gross incompetence). - Mark...more >>

Most of the time you bind a datagrid when it's not a PostBack. The DataGrid then uses ViewState to remember all the data to rebuild it on subsequent postbacks. Thats great when it is expensive to grab the data, like running a sql query might be If you've ever done a View Source on a page with a bi...more >>

I can't seem to find this System.ComponentModel.Design.CollectionEditor in the .NET Framework 1.1. There is documentation on it but the class doesn't actually exist... as far as I can tell Does anyone know anything about this class?...more >>

Newbie question - I'm sorry if this is basic but I've been struggling with it for 1 1/2 days now and was dreaming about it last night. Please save me from further dreams about my programming! I had a webform on which I had a table with 3 DIV's (2-5) set to "style.visibility: hidden;". I had an...more >>

I'm continuing to wrestle with getting my custom control to recognize inner property tags that look like this: <DaysSelected DataSource="a" DataMember="b" DataField="c" /> This tag is intended to initialize a property in my control that is of type DataInterface. The DataInterface class expos...more >>

I have a custom web control that exposes a couple of inner properties related to data. The layout of the those properties is: <cc1:Calendar id="Calendar1" runat="server"> <DaysSelected DataSource="a-data-source" DataMember="a-data-member" DataField="a-data-field" /> </cc1:Calendar> The ...more >>

Hi - I'm getting there with the controls (well making progress I'm happy with) - I've taken some samples, and amended it to give me a colour chooser (just experimenting) - but what I'd like to know is, is there a way I can amend what I have to add another button to the control, which when fired ...more >>

I have a two panel controls, one that shows if PageID = 10000 and the other when PageID = 10001. Problem is that these variables are set in the usercontrol.ascx.vb rather than the calling webform index.aspx.vb. How can I declare and set this variable from the webform and have the user control ...more >>

How do I persist an event in a WebControl? Right now I've tagged the public event... declaration with [PersistenceMode(PersistenceMode.Attribute)], but that doesn't seem to result in any text being output to the XML for the custom control on my test page. Oddly enough, though, the event is pers...more >>

Okay, I give up... how do you get a customized descendant of Style to persist through ViewState??? I tried following the online docs, but I'm obviously doing something wrong. Here're the overrides I created in my WebControl class: protected override object SaveViewState() { object baseState ...more >>

Dear Friends I try to use the following user control from Mr. Olovyannikov http://www.freevbcode.com/ShowCode.asp?ID=5574 but I think there is a bug. When I put DG.PageSize = 2 and dgPager.PagesToDisplay = 5, it shows the first 5 buttons correctly but when I click on "Next 5" link, it shows 7...more >>

Hi I'm trying to add a server control to a stringbuilder and I'd like some suggestions please. The output of the server control is 3 html combo boxes and I would like to add the html output to the StringBuilder and then output everyhting as HtmlTextWriter. Thanks in Advance if you can help ...more >>

Hi all I have created a custom control which contains dropdownlist. allready use this custom control on several places without a problem But when I try to dynamically create it in my code behind, it is no displayed on my page What I do: I have a datagrid on my page, which contains a list o ...more >>

At designtime, how do I detect when a Style subproperty (e.g., Font.Bold) has changed so that I can redraw the display? ...more >>

Dear all, I have made an user control that contain DataGrid object and allow user edit data by clicking DataGrid buttons. This user control will put into another user control. Now, when I click edit button (EditCommand), the Page_Load is execute twice, and the EditItemIndex is lost. Ho...more >>

I would like to implement pagination for my own templated control. How do I approach this ? TIA Patrice -- ...more >>

I am trying to create a custom control. However, I came across a question about how a control persists its state. Before you say ViewState(perhaps it is), let me explain the scenario. Most controls are contained inside an HTML form tag wether it be a client side or server side form. And pos...more >>

Hi I have written a workaround for GetSavedLicenseKey in ASP.NET applications. You can see it at http://gfogante.blogspot.com Regards, ...more >>