Hello, I am trying to build a composite control that contains a few objects, in particular a calendar and a textbox. I have the bulk of the control built, however I would like to make some of the properties present at design time, however I am having some difficulty doing so. In particu...more >>

I am working on a project that dynamically loads controls from within Page_init so that the viewstate is preserved. On post back the control saves it's changs in the Page_load event. If the user navigates to another section the control is removed in the page load event and a second control is ...more >>

Hi, I want to create a property that can only accept values from my custom list. Say 1, 5, 10, 15, 20, 30. I know I can easily create an enumeration with values set to those from my list, and have the Visual Studio designer display a list of enumerated strings shown in the property (e....more >>

I am trying to develop some .NET web controls in VB or C# and need some help. Does anyone know any websites with a good tutorial on how to start. The MSDN site is not helping me at all. An example I have is code that will email, I simply want to create a button that has all the email code in...more >>

I would like to insert some number of Form View Controls onto a single web page in the code behind file. The number to be determined at run time. Is this possible? If so, Can I create a user control that incorporates a formview control, a sqldatasource control and other controls and then...more >>

I have a datagrid which displays five columns of data. Since several columns display "Y" or "N" or 1-9 I have modified all the column widths to display my data. Under normal viewing, the grid looks great when filled with data. When I go into an edit mode on a row, everything get's messed up....more >>

I've designed a web control in VS as an ASP C# control. I've created a new project and want to add a project reference from it to the C# control's project. When I go to the Add Reference-Project tab there are no projects listed and no way to add projects. How can I get my control project to...more >>

Is it possible to implement a server control that will look like this: <just:control> <columns> <columnTypeA id=1></columnTypeA> <columnTypeA id=2></columnTypeA> <columnTypeB id=3></columnTypeB> <columnTypeB id=4></columnTypeB> </columns> </just:control> While columnTy...more >>

Hello, I wrote a simple server control from a sample I found on the web in the following URL: http://west-wind.com/weblog/posts/200.aspx The control has the following structure: <myCtl:main> <Columns> <ColumnItem id="a"></ColumnItem> <ColumnItem id="b"></ColumnItem> </Column...more >>

I’ve got a question about dynamic controls and retrieving the data back after the user enters information into them. Here is what I have so far. I made a custom control for this as I will need to use it multiple times and on many different pages. This control takes in a ListItemCollection an...more >>

Hi, hope somebody could help me! ... I'm building a Toolbar Web Custom Control. So i created 3 classes, [ PersistChildren(false), ParseChildren(false, "Buttons"), ControlBuilder(typeof(ToolbarControlBuilder))] public class Toolbar: WebControl public class ToolbarButtonCollection: Coll...more >>

Okay, having the same problem many others are having. Here is a simple example I cannot get to work: -- using C# a) Created an ASP.NET Web Project. b) Added a Web Control Library project to the solution calling the project CustomControlLibrary. c) I've tried a few different things b...more >>

Hi, I am extending couple of existing controls in ASP.NET like LinkButton, Label, TextBox etc.. I require these controls to contain a child control of MyControlType so ideally in HTML view for a label <asp:Label id="" [other properties...] > <cc1:MyControlType id="" [other properties...more >>

Hi, I have 2 questions: 1. How can I read attributes of inner property of a web server control? 2. How can I read inner properties of inner properties of a web server control? for example: <myControl> <myInnerProperty attributeThatIWantToRead="yes"> <PropertyThatIWantToRead AnotherAttr...more >>

Hi, I am trying to reference an anchor in a user control with a url. This worked in 1.1 but no longer works in 2.0. The ascx control is located in a "/include" folder If you have a hyperlink control and you assign the navigateurl property = "../#anchor" whereby you want to add this # ref...more >>

Hi, I am trying to reference an anchor in a user control with a url. This worked in 1.1 but no longer works in 2.0. The ascx control is located in a "/include" folder If you have a hyperlink control and you assign the navigateurl property = "../#anchor" whereby you want to add this # ref...more >>

Hi, I have created a composite control which, in its simplest form inherits from Control, implements INamingContainer and provides a method CreateChildControls. I add my custom control to the html of an aspx page, provide the register directive with a simple assembly name. The custom cont...more >>

Hi, and many thanks in advance... I'm a little lost about how to proceed with communication between an application, custom controls, and user controls... Within a site I have... ShoppingCart.dll: (Code for a custom control that handles database interaction of a shopping cart: cookies, stor...more >>

I'm trying to implement databinding on a composite control and I'm getting an error with the data when I change the DataSource. The first time I set the DataSource and call DataBind() everything works fine, but when I set the DataSource to a new value (DataTable) and then call DataBind again,...more >>

I've extended (subclassed) a Button control and given it two new Image properties (for mouse over and mouse click images). These work fine but I've noticed that once I set one of my two new Images in forms designer, I cannot clear it since the Reset option is disabled on the right-click menu i...more >>

How can I develop a custom control that can then be used to display dynamically generated data? I have created a simple custom control which I use to reproduce the same style box in my website repeatedly. The content for the box is placed between the tags of the control in the aspx file. How...more >>

i built nested UserControls, and the parent control dynamicly generate the child contorls, but i have a problem with positioning them on the control page, how is it done for WebUseControl, i am sure its very simple and basic Question but as i am new to usercontrols help will be very appreciated ...more >>

Hi, I am using a Composite Control that encloses two Usercontrols. Both Usercontrols require to be enclosed in a <form runat=server> tag. I would like to add this tag within the Composite control (I cannot add the form tag in the aspx page or elsewhere). Question: how do I correctly rende...more >>

I am using various System.Drawing classes to create a graphic at runtime, with the resulting image varied based on some properties the user may have set. Currently I have the graphic being saved to the file system (in a subfolder of the web app) and then my web control renders a src attrobu...more >>

Guys, I have created a custom class that derives from DataList so that I can add some custom client side functionality into each new item row (<td>). Heres the class in its simplest form: public class MyDataList : DataList { public string MyValue1 = "alert('Hey there!');"; p...more >>

Lads, I've created a custom web control that's consisted of dropdown box and text box. In drop down there are following items: [text] | [value] "is" | "{val}" "starts with"| "{val}%" "ends with" | "%{val}" "contains" | "%{val}%" Upon postback, I want to replace {va...more >>

Hi In CreateChildControls I create a table and give each row an id based on the record number from a db i.e. trTwo.ID = "tq" & myRecordSet("QuestionId").ToString However when it is rendered on the page when the custom control is in a master page scenario the id is ctl_whatever_someotherju...more >>

Hello all, I've been working on a custom datagrid (custom web control inherited from DataGrid). I am attempting to add a new collection property to the control as described all over this group and the web... seems like it should be easy but I've been at it for about a week :-( Here's the p...more >>

Hello, ..NET 1.1/VB.NET: I have a custom web control Public Class DatePicker Inherits Control Implements INamingContainer In the CreateChildControls I adding some controls to it: Protected Overrides Sub CreateChildControls() placeJavascript() MyBase...more >>

Hi, I created a new webcontrol that inherited from CompositeControl, and on override of CreateChildControls() I added Panels. When I view html source code on browser, the source code was indented, but I dont want. How I remove the indent? Regards, Rafael L. ...more >>

Has anyone been able to successfully get webparts to work properly in design mode for any browser except for Internet Explorer? My experience shows that the "dragability" feature doesn't work out of the box for Firefox, Mozilla, or Opera, but I've heard that some have gotten it to work. Any ...more >>

Now I am hosting a user control(an assembly in .dll) in IE. I want to know the difference between this kind of control and ActiveX control. thank you....more >>