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User Controls

4 Jun 2010 by #realJSOP

Are you adding these controls dynamically, or at design time?

Problem with WPF dynamic nested controls selected item

4 Jun 2010 by #realJSOP

The problem I think is that your tiNew variable is being reallocated, so the program has the same tab twice. You sholud write a method that creates a new TabItem and sets all the appropriate properties, and returns the TabItem to be added to the TabControl.Items collection.

Panel-like control without panel inheritance

10 Feb 2011 by #realJSOP

They handle the various drag events:DragEnterDragLeaveDragDropDragOverItemDragGiveFeedbackYou can handle those events on any control you want. Here's a decent...

Login Form for Windows Application

15 May 2011 by #realJSOP

For winforms login:User Login For WinForm Applications[^]For Opening another form after logging in:Multiple Subsequent "Main" Forms in C# Apps[^]

Hi,How to Create jo search WebSite in asp.net by using only usercontrols or Xslt or Script files

1 Jun 2011 by #realJSOP

Umbraco - Getting Started[^]

Making a parameter mandatory in an ASP.NET user control

2 Sep 2011 by #realJSOP

You want a RequiredFieldValidator.http://msdn.microsoft.com/en-us/library/system.web.ui.webcontrols.requiredfieldvalidator.aspx[^]

How to disable the user control events and appears your own events only?

1 Dec 2011 by #realJSOP

Anything defined as protected or public in an object will be visible in intellisense. Beyond that, you don't necessarily want to change the accessibility of protected or public methods because - well - it makes more sense for them to be public or protected.

WPF Compiler Insist Object Isn't in Namespace

21 Jul 2014 by #realJSOP

I'm using VS2013 and have setup a tab control with each tab item containing a UserControl. Intellisense sees it when I add it in the XAML, but the compiler is insisting that a user control doesn't exist in the namepace, yet the the app compiles and runs as expected. Does anyone have any idea...

WPF Compiler Insist Object Isn't in Namespace

21 Jul 2014 by #realJSOP

The solution was to add the assembly name to the namespace declaration in the xaml - but I'm not sure why that was necessary when the control is in the same freaking assembly as the window that's using it (which also happens to be the application exe).(Reason for edit - fixed some spelling...

C# WPF login SQL bool method get the user

5 Nov 2018 by #realJSOP

Create a static class that contains the desired user data. When the user logs in, capture the desired user data into your static class, and you can still return a bool from your login method.

Me.ParentForm.AcceptButton causing design time error with an inherited control

7 Nov 2012 by -Dr_X-

Below is a inherited winforms control with two buttons.The code, 'Me.ParentForm.AcceptButton' errors during design time. I've tried the DesignerSerializationVisibility tag as well as the LicenseUsageMode with no luck to prevent it from running when opening a user control that is inherits...

Me.ParentForm.AcceptButton causing design time error with an inherited control

8 Nov 2012 by -Dr_X-

After a bit more research, I found this is a prevalent issue with the work-around below. Basically, avoid having any handles clauses from your base class.Public Class CalculationPanelBase Private Sub CalculationPanelBase_Load(sender As Object, e As EventArgs) Handles...

How do I bind an image to an UserControl (button with image) in a DataGrid

14 Jan 2015 by .Net Jim

Give the last entry in this blog a try.[^]

Access to parent user control from children

11 Feb 2020 by .Net Perfect Dev

hi, i create a project WPF with 3 files xaml of user control in this architecture my question is how can i access from User control 1.1 to the the Grid control Parent? my objectif is maximize the popup child1.1 in same height and width of Grid...

How can I handle disabling my control or ignoring it

20 Nov 2014 by /\jmot

Links..http://stackoverflo...

How to create Double Click in a DataGridTemplateColumn and handle the event

22 Jun 2011 by 2irfanshaikh

i think we can use DataGrid.SelectedCells.Also check this link[^].

WPF - How to reference a UserControl compiled in another project in my WPF Windows application

27 Nov 2010 by 69Icaro

After you've added the reference, you can call the UserControl directly from the code behind, like this:public partial class MainWindow : Window { public MainWindow() { InitializeComponent(); this.Content = new...

How can I add Custom Scrollbar on listbox?

1 Mar 2014 by _Asif_

Try thisListBox with Custom Scrollbar[^]

custom-controls

Application flickers on resizing and resizes very slow.

14 Jan 2011 by _Erik_

Use double buffer wherever you make graphics operations in the paint event.

UserControl Visibility in WPF MVVM Model

29 Oct 2013 by _Maxxx_

I guess your second user control is displaying data from the selected item in the list box?If so, then binding the listbox's SelectedItem property to your ViewModel will tell you if something is selected and, if so, what it is.You could then bind the visibility of your second user...

User Controls, selects and Google Chrome

4 Dec 2011 by A Unique Name That Noone Else In Their Right Mind

Hi,I'm working on a small web application that is exhibiting some odd behaviour. My whole approach is probably not the best, and I don't know how much that contributes to the problem.What I am attempting to do:It's a basic timesheet entry page. I have a calendar control and I've...

Disable Child Controls Recursively

13 Nov 2010 by a_pess

Alternative For VB.NET Windows Forms Private Sub ControlEnabled(ByVal ctrl As Control, ByVal isDisable As Boolean) Me.ControlEnabled(ctrl, isDisable, True) End Sub Private Sub ControlEnabled(ByVal ctrl As Control, ByVal isDisable As Boolean, ByVal allowRecurse As...

How to hide a column of a table of user control from aspx page using js/jq?

25 Sep 2020 by Aaron Bane

In the aspx page I am calling the the user control two times. On page load 1 usercontrol will be visible but the the other will be visible on button click and it should show only book description and book title. To achieve this I named the class...

how To subsribe to event in user control in wpf

5 Sep 2012 by Aarti Meswania

you can create custom event of your custom-controland raise that event from radio-button's checked eventHappy coding!:)

How to return user control when clicking on its child controls

25 Sep 2012 by Aarti Meswania

inside label's click event UserControl1 obj=(UserControl1)yourLable.parent;In short .Parent is a property you are searching for,Control.parent returns it's parent controlsuppose,cont2 is placed inside con1 so, Cont2.parent will return cont1Happy Coding!:)

String to double in Visual Studio usercontrol

7 Oct 2012 by Aarti Meswania

vCurrent = Math.Round(Convert.ToDouble(uscontrTextbox.txt) * velocity, 4);orinstead of, this.uscontrTextbox.txt = ""; use,this.uscontrTextbox.txt = 0;Happy coding!:)

Adding more than one usercontrols to sharepoint 2010 webpart

6 May 2013 by abbijohn

Hi,I have one webpart in sharepoint 2010,have to add one more usercontrol(.ascx) in that webpart with configurable property.Is it possible..This one is working fine in normal webpage(.aspx),but it is not working in Sharepoint ,it shows error like 'filename.ascx is not allowed in this...

how to populate dropdownlist in web user control in a repeater

22 Apr 2014 by abdul subhan mohammed

Hi guys,I have user control which contains:one dropdownlist n a textbox.i have to populate the dropdownlist in the user control n have to write the "onselectedindexchange" to fill the textbox which in the user control it self., event.n i'm placing this web user control in a...

Losing gridview data on edit click

14 Aug 2016 by abdul subhan mohammed

try thisprotected void GridView1_RowEditing(object sender, GridViewEditEventArgs e){ GridView1.EditIndex = e.NewEditIndex; FillGrid();}

Could Not Find Class Problem.

30 May 2010 by Abhinav S

Matchlighter wrote:with a certain control of mineDoes this control reference another assembly that you need to add to this project?

User control (Button) in C#

8 Aug 2011 by Abhinav S

Some walkthroughs that will surely help you out -http://msdn.microsoft.com/en-us/library/a6h7e207%28v=VS.100%29.aspx[^]http://msdn.microsoft.com/en-us/library/5h0k2e6x%28v=VS.100%29.aspx[^]

Drag & Drop User Controls in ASP.NET

20 Oct 2011 by Abhinav S

TryASP.NET - Drag and Drop on a Webpage[^]http://msdn.microsoft.com/en-us/magazine/cc135985.aspx[^] (with Ajax)http://weblogs.asp.net/hpreishuber/archive/2007/12/22/ajax-drag-amp-drop-challenge.aspx[^] (again with Ajax)

How to prevent UserControl to inherits some of its events, methods and properties to its object?

3 Dec 2011 by Abhinav S

You can use the sealed modifier (as described here[^]) in your custom control.

Object reference not set to an instance of an object.

12 Feb 2012 by Abhinav S

Instead of trying Me.Parent, tryDim myParent as Page = this.Page;Dim DaTxtBox As TextBox = myParent.FindControl("textbox1")

WPF Compiler Insist Object Isn't in Namespace

21 Jul 2014 by Abhinav S

Try cleaning the solution and then do a build.

Irregular shaped controls in C#

9 May 2015 by Abhinav S

Answers from here[^] might help you.

Normal Gridview User Control in C# ASP.NET

15 Apr 2014 by abhiSek99

Hi All, i want to create normal gridview user control in c# asp.net., which can be used in other aspx pages.please suggest me some links on the same

Usercontrol within a usercontrol

21 Sep 2013 by Abhishek Luv

Issue : When the user is writing some text in the textarea(UserControl2) and in between when he tries to click anyone of the Radiobutton(from UserControl1) the page is posted back and the text value of the textarea is lost. I have also enable viewstate for the textarea.Please guide me. How...

c# Buttons: Show Message when mouse hovers over the button

22 Oct 2012 by Abhishek Pant

1. Add image to BackgroundImage property of button.2. Add a tooltip to the button.3. Find the property 'ToolTip on toolTip1' (the name may not be toolTip1 if you changed it's default name).Now write "Edit"(as according to your requirement or anything you write will be popped out) on the...

User Control can't execute js methodes in my js file

3 Sep 2012 by Abolfazl Beigi

Hello my friends.I have a page here that include a js file and it works fine, i used it for make an animated div for its size dynamically. but the problem is when i make a user control it doesn't work, means my jquery codes becomes unusable and cant animate related Div.Thanks for your...

Adding multiple controls into flow panel on non-ui thread in vb.net?

19 Dec 2012 by Adam R Harris

You are going to have to create a delegate to add the controls for you, something like this:** assuming your flow control is called 'flow' private delegate sub delAddControl(ctrl as Control) private sub AddControl(ctrl as Control) if (flow.InvokeRequired) then ...

Enhanced Scrollbar

2 Oct 2014 by Adam Zgagacz

WinForms Scrollbar with enhanced properties, graphical bookmarks and value tooltips.

Auto-repeat Button in 10 Minutes

31 Oct 2018 by Adam Zgagacz

Simple WinForms auto-repeat button in a few lines

How to transfer values between usercontrols in C#

5 Nov 2019 by Adnan Maruf

So i've a Form1 with three UserControl's as UC1,UC2 & UC3. Form1 contains a Button, UC1 and UC3. Both UC1 & UC3 are initially hidden when the application runs and the Form1 button click event makes the UC1 visible. UC1 contains a panel and inside the UC1 load event I'm adding UC2 into the panel...

open c# user control from another user control

31 Oct 2012 by adriancs

What user control is that?Is it a Windows Application or Web Application?You can use Properties of Visible to hide or show the control.protected void Button1_Click(object sender, EventArgs e){ userControl1.Visible = !userControl1.Visible;}

Yet Another Color Picker for C#, VB.NET WinForm

17 Aug 2013 by adriancs

An Office 2010 Style Color Picker for .NET WinForm.

Flow layout panel with user controls - how to get at user control values?

12 May 2012 by Aero72

Dear all,I hope I'm not about to poperly fall at the final fence - hopefully someone can point me in the right direction...I have a flow layout panel into which I'm putting many instances of a user control. This control (for now) just has a check box and a few text fields only.The code...

Flow layout panel with user controls - how to get at user control values?

12 May 2012 by Aero72

Sorry Mika, I still think I'm being thick (and thanks for formatting my code - I worked out how to do that now ;-)) - your assumption is correct. What I want to do is to parse through all the instances of my user controls and take various actions depending upon the values or state (in the case...

Sharepoint Tree View Sites Navigation

16 Mar 2013 by AfnanMof

This WebPart is developed to display all site collections and subsites based on logged in authentication

How to write a javascript from .net code behind file.

16 Feb 2015 by Afzaal Ahmad Zeeshan

I also tried to help you out on that Stack Overflow thread of your question, the problem actually is that you shouldn't actually ask the server-side code to take over the client-side code too. If you have to then you have to register the code at the start-up and then execute it. But, another...

Button with Image as UserControl throws 'Invalid URI: The format of the URI could not be determined'

29 Dec 2014 by Agent__007

Adding this answer as per the OP's response to my comment above:Did you try Pack URIs[^]?Basically, try either:pack://application:,,,/Images/icon_HMI_NewDeci.pngor/{YourProjectNameHere};component/Images/icon_HMI_NewDeci.pngThat should do the trick.

asp.net custom gridview user control

9 Aug 2013 by Ahmad Abd-Elghany

hello , every body use the grid view control in his project extremely , at least i do so.i put a nice style to my grid and i erased the borders and cell spacing etc .i also bind it from my db with stored procedure .i write the paging method and the page index changing method etc .now...

How to set a custom dependency property of user control in design

28 Apr 2016 by Ahmad_kelany

Hello everyone,I have a UserControl library containing the following usercontrol : DisplayGridXAML :

How do I use Jquery with two of the same user controls on same page.

28 Jan 2014 by Ahmed Bensaid

Take a look there ;)http://stackoverflow.com/questions/2867412/how-to-use-multiple-instances-of-a-usercontrol-with-jquery-on-the-same-page[^]

How to make gradient colored Controls in Windows Forms

26 Aug 2010 by Ahmed_Said

Colorful Microsoft Windows Forms Controls

16 Sep 2010 by Ahmed_Said

Colorful Microsoft Windows Forms Controls

Adding Javascript to ascx page

2 Nov 2010 by aidin Tajadod

Hi, It might be because of error.you are doing :btnDoc.Attributes.Add("onclick", "javascript:openFiles();");but the name of your function is OpenFiles !! so change your code to btnDoc.Attributes.Add("onclick", "javascript:OpenFiles();");(upper case o)hope this can help.

How do I add reference of user control to web.config in asp.net

10 Mar 2014 by Ainy Mughal

Grid view with binding of dropdownlist in the user control?

14 Oct 2014 by Ajay Kumar

How to bind a dropdownlist inside a gridview in a user control where the parameter will be change for every page ? how to handle it with a .aspx page?

listview linkbutton OnClick event on ascx page

10 Feb 2015 by Ajay Mungekar

'...

can anyone help me with the link to develop a sample 3D graphics on Visual Studio using WPF? code?

12 Oct 2012 by akchandra9

Provide a sample working code. Please!

How to find the parent page gridview and bind it in user control event?

22 Nov 2017 by Akhil Jain

I have a .aspx page Contract.aspx in which there is a user control and the userControl has a grid. Now i want to bind the grid inside user control to save click on some condition .ascx partial...

NumericTextBox (C#.NET)

7 Dec 2011 by Akos Orban

A TextBox for numbers with built-in mathematical expression evaluation

c# - open only one form from user control

30 Dec 2013 by akqira

Hi,This is my solutionpublic void buttonClicked() // called by the button clicked event{ // looking for opened forms collection var _myForm = (MyForm)Application.OpenForms["myForm"]; if (_myForm == null) myForm = new myForm{ name = "myForm"}; ...

Collection property of a class

5 Sep 2010 by Al-Farooque Shubho

You need to provide the codes that are using the Usercontrol. I suspect, problem is in the consuming codes.May be you are setting the property with an instance of the UserControl and trying to get the property in another instance, instead of the instance that contains the property value...

Design a map with image resize and drag&drop

17 Feb 2011 by Albin Abel

Instead of using images, you can use resizable graphics. As graphic (vector, not image) holds less data than image, operations would be faster. Take a look here for a resizable graphic with handlersA Resizable Graphical Rectangle [^]

Scientific Data Visualizer

7 Nov 2013 by Alexander Chernosvitov

ActiveX component for 3D visualization, embedded in different client applications.

How can i Enable this on a UserDefined Control?

17 Oct 2011 by Alexander Dickbauer2

How can i Enable this on a UserDefined Control?http://img32.imageshack.us/img32/9148/aufgabena.png[^]Thanks

Yet another Web Camera control

5 Nov 2017 by Alexander Iacobciuc

In this article you will find yet another implementation of a web camera control.

dismiss ToolStrip change on refresh

23 May 2014 by ali majed

Hi to all!I created user control that contain ToolStrip and DGV and add it to form. I accessible ToolStrip by define as public properties public ToolStrip Toolbar { set { ToolBarToolStrip = value; } get { return ToolBarToolStrip; } ...

Link button in user control does not fires click event inside update panel

6 Aug 2013 by ali-rashidi

Here is my problem.I have a master page.I have an update panel in my master page.I have a default.aspx page which is content page of my master page.In my master page I have a link button, Once you click on that It creates a user control and adds it to my content page. ...

Couldn't resolve the error in user control

15 Nov 2012 by Ali_100

I am getting the error in user control ,it is a new project ,clients gave us.what is the issue?the image is ASP.NET - Couldn't resolve the error in user control[^].[edit]Formatted link and removed extra blank link.[/edit]

label in aspx page ,Need to access on ascx page

21 Oct 2013 by Ali_100

I have a Labelin aspx page ,I want to use access in ascx page how can I do that ?

aspx page's label depend on some condition of usercontrol.

23 Oct 2013 by Ali_100

I need some opinion, if I am using user control & aspx page, & i have the requirement to use aspx page's label depend on some condition of usercontrol.but page_load event of aspx page is fired first , then user control's page_load event fired, so how do you able to update the label of aspx...

access parent page label's from javascript of user control

25 Oct 2013 by Ali_100

How to access parent page label's text in user control but from javascript of user control?

Custom Paging Control

20 Apr 2013 by Aliaa Ezzat

Custom paging control for repeaters

UserControl how to to bind with ViewModel Atribute

29 Mar 2012 by Alimjan Yasin

I want to design a UserControl and a ViewModel which represents this UserControl,I want to use this UserControl in MainWindow .my ViewModel has a ObservableCollection Atribute, I want to bind this Atribute to listbox inside UserControl , but it did not show any thing when MainWindow show...

UserControl how to to bind with ViewModel Atribute

29 Mar 2012 by Alimjan Yasin

I solved it by myself, DataContext is key for do that

Change the property of Custom Control

24 Apr 2011 by Aman4.net

Hi All,I was trying to build a custom button control. I want to change it's Visible Property. I declared the public bool variable and Implemented that with get-set. Which is showing in Property Box of UserControl placed on Form.But It is not showing any effect while I change...

JS in UserControl not working in all aspx pages

19 Oct 2011 by AmarSinghRawat

May be in 3rd aspx page there is also test() function. please check.

Change the property of Custom Control

24 Apr 2011 by ambarishtv

try thispublic bool BtnVisibility { get { return this.button.Visible; } set { this.button.Visible = value; } }

wpf user control generator

1 May 2012 by amer shammout

I have created a wpf project this project create a grid and many controls in this grid and allow the user to change controls properties now i wont to generate a user control dynamically this user control contains the grid and it's controls how can i do this

dynamic resource for usercontrol

26 Mar 2012 by Amir Mahfoozi

Put your styles in a UserControl.Resources section in your user control XAML :...your styles goes here...Hope it helps.

Change Passwords of Active Directory Users via C#

10 Feb 2012 by Amir Sacic

Hello !I just want to ask you a quick question.How to change userpasswords in Active Directory ...Every time i'll try to change, i get a COM-Exception Unkown errorpublic void ResetPassword(string userDn, string newpassword){ DirectoryEntry user = new...

Problema con Constructor, heredado de clase

28 Aug 2012 by AmitGajjar

Hi,When you have class with parametrized construction it must have default constructor in it. So your code should be like,public class repeaterCEA: RepeaterCommandEventArgs { public Int32 idLote { get; protected set; } // Default constructor added. ...

User control ASP.net

6 Sep 2011 by amitghorpade29

I have one user control, this have variouse textboxes.and I created property for per textboxlike this: public int Budget { get { return Convert.ToInt32(tbxBudget.Text.ToString()); } }and i added this user control on my page.And I want to access this textbox...

asp.net user controls binds inside gridview

19 Jan 2012 by amolpatil2243

hi,you can write the rowdatabound event of gridview and then get that control using type casting,get controls value then whatever you can bind to this and reassign to the controlrefer solution1 syntax

Show loading state for a control

14 Jul 2010 by Andrei Scripniciuc

Does anyone have a suggestion for a method that can be used to decorate any user control to suggest it's state is 'busy'? I'm thinking of something more than simply changing the cursor.

DDL SelectedIndexChanged() does not fire on first ListItem (ASP.Net C#)

25 Jul 2011 by AndrewR73

I created a custom Templated User Control, for the purpose of having a standard "container" to use around our web app, but allow whatever controls you want inside of it -- pretty much like a Template Column of a GridView/DataGrid. Problem I'm having is that when I place a DropDownList control...

DDL SelectedIndexChanged() does not fire on first ListItem (ASP.Net C#)

26 Jul 2011 by AndrewR73

@mahabubur rahman:Simply removing the the using (DropDownList ddlColor = ((DropDownList)xpcColor.FindControl("ddlColor"))) statement will have absolutely no effect on the problem I stated. Actually, doing this would in fact have the effect of introducing a failure: the SelectedIndexChanged()...

DDL SelectedIndexChanged() does not fire on first ListItem (ASP.Net C#)

26 Jul 2011 by AndrewR73

@mahabubur rahman:My apologies, your suggestion was spot on. It turned out that the using() statement was **exactly** the problem. I was able to solve the problem by changing the code to the following:protected void ddlColor_SelectedIndexChanged(object sender, EventArgs e){ ...

Dynamically adding controls to a Templated User Control?

15 Aug 2011 by AndrewR73

A few weeks back I created a Templated User Control, for the most part based on the example here: http://msdn.microsoft.com/en-us/library/36574bf6(v=VS.90).aspxThe difference is that I did not implement the "MessageContainer" class as I wanted just an empty template that I could add...

Dynamically adding controls to a Templated User Control?

16 Aug 2011 by AndrewR73

Found the solution to the problem, which was how I was loading the TUC.Incorrect:xpcRegion = new ExpandCollapseRegion();Correct:xpcRegion = (ExpandCollapseRegion)LoadControl("ExpandCollapseRegion.ascx");Making this simple change took care of the problem. Also, found that I...

A Versatile MessageBox Replacement

7 Oct 2012 by Andriks

A MessageBox replacement with some much needed extras

Dynamic user controls inside dynamic user controls...

26 Mar 2012 by André Kraak

You will have a better chance off getting a response if you ask this question at the article: Dynamically add and remove user controls[^] you are referring to.Just use the "Add a Comment or Question" button at the bottom of the article.

Add items to a Web Usercontrol

13 May 2012 by Andy Lanng

Hi,I am creating a website where I would like some neat context menu controls. I have already found some handy code to create the menu (but post 'em if you've got 'em) but I'm looking to create a standard UC for the site. I was hoping to be able to add items to the control in the same way...

How so I load my UserControl declaritivly

9 Jul 2015 by Andy Lanng

Hi,I have a user control that returns search results and adds them to an asp table. The results include dates. I have another user control that displays dates in a nice "calendar date" style.The results control works fine without the date controls.I instantiate the date control...

How to persist custom properties in ViewState of ascx control.

29 Apr 2014 by Angel Blandón

Hi, I have compositecontrol, this is a container, inside this compositecontrol i have a ascx control the problem is that custom properties of this ascx control are not preserved after postback.The ascx controls are dragged and dropped in design modeI hope you can help me with this...

custom-controls

Is there any image or document viewer user control like Adobe Reader?

17 Feb 2012 by Aniket Yadav

For Image Viewerhttp://www.c-sharpcorner.com/UploadFile/sthangaraju/ImageViewerinCSharp11262005063149AM/ImageViewerinCSharp.aspx[^]http://software.intel.com/en-us/articles/c-image-viewer-sample-application/[^]DICOM Image Viewer[^]For Document...

Is there any image or document viewer user control like Adobe Reader?

18 Feb 2012 by Aniket Yadav

http://msdn.microsoft.com/en-us/library/dd492135.aspx[^]