I have a class with a member ObservableCollection<Point> Points; I want a custom usercontrol that shows a canvas with these points on it, drawn as a closed polygon, and the user should be able to select and move individual points. I've googled around and found a lot of stuff on adorners, moving controls etc., but I'm still confused ...
hi all, I have a usercontrol that acts as a container to hold more usercontrols within it. I need to perform certain access checks once all of the child controls have databound. I was hoping I could attach to a usercontrol.databound event but there does not seem to be one. What other options do I have to do something on the parent u...
I have an ASP.NET user control in which there are two fields (fromdate and todate) which have RequiredFieldValidators associated with them. When saving I want to validate if the fromdate and todate are entered. How do I do that? I have tried Page.IsValid, but it always returns true. ...
Hello, I'm implementing a messaging system in my program. It functions just like e-mail except that it is entirely contained within the system. I was wondering if anyone has seen an e-mail control template that I could modify. It would have stuff like an inbox, message viewing and message sending parts. I would just rewire the mail se...
How can I access a asp:userControl's property using jQuery $("#<% =ucControl1.ClientID%>").find("[id$='Panel1']").hide(); I am trying to show an asp:Panel with the usercontrol and it doesnt work. <div id="ctl00_ContentPlaceHolder1_ctl02_ucControl1_Panel1"> content.... </div> The jQuery rendered is as follows: $("#ctl00_Content...
I am making a c# windows app that has one MainForm and many User Controls (LoginPage, HomePage, MyListPage, etc.) embedded inside it. I am using Visual Studio 2005 to design the GUI. In MainForm's constructor I do: Controls.Add(new LoginPage()); Controls.Add(new HomePage()); Controls.Add(new MyListPage()); ... LoginPage.show(); But ...
I have an ASPxPageControl with tabs containing Usercontrols for some ASPxTreelists. My question is how do I print them exactly as they are keeping the Dev Express style and coloring. Thanks! ...
I made a custom button to input keypresses: <Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _ Partial Class KeyInputButton Inherits System.Windows.Forms.Button 'UserControl1 overrides dispose to clean up the component list. <System.Diagnostics.DebuggerNonUserCode()> _ Protected Overrides Sub Dispose(...
I have a UserControl with a Template property that I've set up as a DependencyProperty: public partial class TemplateDetail : UserControl { public static readonly DependencyProperty _templateProperty = DependencyProperty.Register( "Template", typeof(Template), typeof(TemplateDetail) ...
TL;DR: All controls within a usercontrol that's being used outside it's home project are null when that usercontrol's Page_Init/Page_Load methods are called. The setup is like this: Projects "UI.Frontend", "UI.ControlPanel", and "UI.Common" are "ASP.NET Web Application"s. UI.Common is never meant to be accessed directly- it just conta...
I've been looking at google for the past few hours, trying to find an issue to a apparently simple problem. I have a UserControl named RolloverLink that basically contains a asp:LinkButton and a <img /> . I tried setting the OnClick handler like this: <%@ Control Language="C#" AutoEventWireup="true" CodeBehind="RolloverLink.ascx.cs...
Onclick event of imagebutton (inside usercontrol) does not get fired in IE, it works in Firefox and chrome. The usercontrol contains some required field validations as well as a popup. Code below: <asp:ImageButton ID="btnSend" ImageUrl="~/images/send.gif" ValidationGroup="SiteFeedback" CausesValidation="true" runat="server" Ta...
I am currently trying to create a report in Visual Studio 2005 for MSSQL 2005. I need to provide a multi-valued drop-down box that would allow a user to select one or more options. If a user selects one or more of these options, my SQL statement would need to add a AND column = 'something' to my SQL query. I am wondering how I might acc...
In Asp.net Web forms why must a user control be partial? I tried to remove the partial keyword and it says: Missing partial modifier on declaration of type 'test'; another partial declaration of this type exists Where is the other declaration? I am trying to pass a generic type with the user control how can I do that? I can...
I have a custom control called TextBoxWithLabelAndUnits. From the name, you can tell that it's a TextBox that has a Label before it and a Label after it, so that the custom control looks like this: ----------------- Label: | | units ----------------- I expose several dependency properties to configure the c...
Hi guys, I created this class where I wanted to override this specific event for the content control. public class MyContentControl : ContentControl { protected override void OnKeyUp(KeyEventArgs e) { //do something //.......... e.Handled = true; } } However when I am using this control in my XAM...
I need to extend a button control to add some additional, bindable, visual states. What I would like to create is an additional boolean property, to bind to, that will create a simple visual state change on the button. For this example, it could just be an additional border which changes colour according to the boolean value. All the ...
Hi. I have a listview which I would like to fill with self created user controls.But the problem is that the properties in the user control is not set. The usercontrols are displayed but the property values I enter is not set. Why is that? Here is the aspx code. <div id="productView" class="productsMain"> <div id="groupHeader...
Hi, I've seen code to handle MasterPage events in the content Page, but if I'm loading a UserControl dynamically into the Page, can I handle the event in the UserControl instead? Basically I have a button on the MasterPage, when it's clicked I need to make the UserControl do something, such as display text or change a value in a form. ...
I created a GridView in code with a DataTable as its data source which worked fine. I have now moved the GridView creation into a .ascx file to make it easier to format. For some reason this has started triggering the HttpParseException: Databinding expressions are only supported on objects that have a DataBinding event. Syste...