Hi there, I will be very happy if someone helps me. I need to create dynamic image, and save the state between the postback. I mean I've got 5 buttons and when I click on one of them, the image is creted with: System.Web.UI.WebControls.Image Img1 = new System.Web.UI.WebControls.Image(); Img...more >>

Hi When writing custom controls, how exactly is a .vb file compiled (manually)?? As you understand I'm new to this, and will be greatful for any (detailed) help and explanation. AL Cs...more >>

Hi, Here's my situation: I'm developing a custom control, which basically consists of two nested <DIV> tags. Now, i need to obtain base.Style object, in order to get the positioning information, if the control is being positioned via ABSOLUTE positioning. I have tried to used base.RenderBeg...more >>

I have built a composite control that consists of a textbox and a button that performs a whois lookup. How do i get the control to update its appearance when in design view of a webform after a property has been changed. I assume it has to do with creating a composite control designer which i th...more >>

Hi, At the moment i'm developing a Timer custom control, and i finally reached the stage where i need to persist it across page postbacks. What would be the best way of doing it? At the moment the only way that i see is by use of the cookies. (i was also thinking about using a hiddent field...more >>

Does anybody have a clue as to how to do this? I would like to display my own custom context menu when rightclicking a node in my treeview, but am a little lost on how to do it, apart from that is should be some kind of javascript I guess. Anybody that could point me to inspiration? /Th...more >>

Hi, I've got the following question: I'm currently in the process of building a custom control (the one that is compiled into a single dll), and at the moment its a tedious task. My current configuration: 2 projects - one containing code and other files related to the control, another one c...more >>

Hi, I was wondering is it possible to create my own html table that has two features. 1. it is databound and 2. Create my own events to it? The datagrid is nice and I do use it but I need to be able to customize it for other events to occur with it. Thanks, JJ ...more >>

I have a user control that is placed on every page to provide a menu system, logout/login buttons etc. This contect varies in depending on the value of a property in the code behind file of the control. How can I cache dependant on the value of that property. TIA MattC ...more >>

Hi, Is it possible to inherit from a web user control (*.ascx) created in a separate class-assembly to a local specialized control that can be used in an aspx-page ? What I want to do is to create some sort of base class library of controls to inherit from, and use in specific dotnet web a...more >>

Dear all I'm building a web application that some standard controls in many pages as "DropDownlist" this drop down list is filled from a table in a specific database and this "DropDownlist" will be used in many apges and on each page the data inside the "DropDownlist" will be the same but the us...more >>

Hi, I have been experimenting creating a User Control and overriding its Render method so that I have no reliance on an external ascx file and can package this control into a dll. I dynamically create my controls in Page_Load() and everything works fine while this code is part of my main...more >>

Hi, I'm currently in the process of building a custom webcontrol. I nearly finished it, however one thing is a mystery to me: how do i enable the control to support absolute positioning? Thanks in advance, Nick Goloborodko...more >>

Hello, I seem to be having a problem loading a div tag with a control. here is what I am doing: Dim oObjCheckBox As CheckBox = New CheckBox() oObjCheckBox.ID = "chkTestControl" oObjCheckBox.Text = "Test Control" outputList.Controls.Add(oObjCheckBox) i do this inside a sub routine...more >>

Hi there, I am looking for C# code samples on how to: 1.- Get a string with the default HTML that would be rendered for a custom control. 2.- Customize this string. 3.- Make the control render the customized HTML. I want to customize the "HREF" part of the HTML generated for a LinkButto...more >>

Hello I would like to know what methods/events I have to override to extend any webserver control. I actually need to extend the datagrid control, but the basics should be same for all, right? What are the basic required events, which I have to insert for each control? I have never cre...more >>

Hi, I'm creating my own custom web-control called Table, with a collection of my own custom 'Column's as a property: [ToolboxData("<{0}:Table runat=server></{0}:Table>")] public class Table : System.Web.UI.WebControls.WebControl { ... [Bindable(true)] public ColumnCollection Co...more >>

Hello, I have created my own datagrid control, derived from datagrid. Now my webform uses this datagrrd and calls the ItemDataBound method, which then SHOULD loop through the columns, but it always shows me that the columns count is 0. Although I can see several columns in the webbrows...more >>

Hello, i have created my own datagrid control derived from the datagrid control. Now I would like to override the OnItemCreated method. But I dont get how I can do that. Can somebody help me out? Thanks ...more >>

Hello, I've built a custom control (inherits from WebControls.Repeater) with a custom template. The intention is to make a custom paging repeater. The repeater would be controlled via LinkButtons that would be inside the custom template. I want to do something like this in the aspx files that...more >>

Hello, I created an ASPX page with some buttons on it, but one of them is reacting in a strange way : In design mode, if i double click on it, it takes me to the corresponding OnClick method. But if I put a breakpoint on this method, when i work in debug mode and clicking on this button, i...more >>

Hello everybody, I've been working lately on making my own tabstrip control because I = couldn't find anything that works the way I want it. But now I have a = problem, because I have a "Tabs" property which is the collection of = tabs inside my control, I'm no longer able to add controls insi...more >>

Hi everyone. I'm developing a custom control and i'm having some problems. Here goes the figure : I have a N level tree structure, and I have to show the first level in a DropDownList. When the user selects one option of the first dropdownlist, the page has to show another dropdownlist, ...more >>

I have a control assembly which contains the my custom web control. In the same assembly I have few classes that implement IComponent interface. I need this interface for my classes. When I add the assembly to toolbox, every single class that implements IComponent interface shows up in the toolbo...more >>

What namespace is it in? -- Patrick...more >>

Hi I've been struggling with this problem for several days now, pretty much out of ideas... I have n number of xml files each defines what server side control to to render inside my custom web control (composite). The OnInit of my web control parses the xml files creating a collection o...more >>

I need help with how to add a DataSource property to a composite control and then how to assign that property to the datasource of a datagrid. Thanks...more >>

How do you do a ControlDesigner? It seems that the docs are out of date with the namespaces? Using VS 2003, I can not get the snippet from this link on the MSDN to work/compile... http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/frlrfsystemwebuidesigncontroldesig...more >>

Hi I am developing a web control which creates other web controls. During the OnInit of the my web control I read an Xml file which tells my web control which child control to create, adding the child controls into a private collection. In the CreateChildControls (override) method, I l...more >>

Hello: I would like to know how to develope a databounded textbox for using with asp.net. Datagrid, combos etc are databounded, but when I want to read data from an xml node to a textbox, I must to divide xml in nodes for read value. Is there any way to use textbox with a "datasource" pro...more >>

Looking for information on how to build a property builder for a custom server control, much like the built-in datagrid property builder. Is it possible? Thanks in advance. -Nic ...more >>

Hi, I would like to know your opinion about .NET menu server controls from performance point of view. It is a good idea if a menu is running on a client machine: a response is quick and the server time is not used. However, implementation of a menu in a java script often results in a mes...more >>

Hello! I want to add another template to the templates that are already available with the repeater control. This is what I have done so far... Created a class that inherits from WebControl and implements INamingContainer to hold my controls that I add in my template. public class Pa...more >>

I hope this is the proper forum. I posted this problem in the wrong one previously. I have a custom server control that I am building. Implementing simple properties like strings and ints seems to be pretty straightforward and there are a lot of examples. However, I have a need to allow the user ...more >>

We are looking at developing a web application, that we wish to be menu driven (would like to have a drop down menu bar). Also the menu needs to be dynamically build from a database file. The application will be installed on several servers, for a variety of clients. Any Recommendations...more >>

Hello all, I've written the below server control which only half works! When I complie and include the server control into a project I can get connectionString but not storedProcedure, it always errors saying it's null, yet the code (seems) is the same. Can anyone shed any light on this? Th...more >>

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Hi all, I have a problem with maintaning the elements of a collection in design time. I have a custom webcontrol, which in turn has a collection of child controls. When I use the PersistChildenAttribute class, this collection is not maintained when viewing the control in design time. In run...more >>

Hi Group! When binding the CheckBoxList control, you can only control the 'text' and 'value' properties of each CheckBox created. Suppose I have on the data source some additional information for the 'checked' initial state, and I want to update the 'selected' property of each checkbox. ...more >>

Hi! I have a WebControl with 2 properties. In the properties window I change one of them. Internally I would like to set another property to a default value. When I do this, the first property (the one changed in the properties window) gets changed and updates the HTML in the page, but ...more >>

Hi all, Because of the nature of my application, I have a web control that is being loaded and added to my form at runtime using the LoadControl method. Beacuse of the new framework, it is impossible to inherit from my own version of the "System.Web.UI.UserControl" class as the code seems to be ...more >>

Is there a function that will replace the ~ in a relative path with the virtual directory, so I can use the path in clientside javascript? Thanks Stephen. ...more >>