VS 2010 With Namespace And A User Control?

May 17, 2011

I have a problem in VS2010 with a user control i have created, I wonder if this is a known problem and if there is a resolution.

My project has a root namespace of DEV2.MyApp.I have created a user control and dragged it onto my form at design time.In the designer i get an error for that form that goes like this:-

Type DEV2.MyApp.myCtrl is not defined Me.myCtrl = New DEV2.MyApp.myCtrl ()I correct it by removing the namespace DEV2. like follows.Me.myCtrl = New MyApp.myCtrl ()

However, everytime i make an amendment to this form on the designer, the error creeps back. Its really annoying and I dont really want to resort to having to create the control at run time to get around it.

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Any Way To Put All New Web User Controls Under Same Namespace?

Mar 2, 2012

I know this is probably a simple question but, I have a ASP.NET WebSite not WebApplication and I'm trying to get all of my Web User Controls under the same namespace so that I can register them once inside the web.config file and be done with it. My Question is, How do I do this (put them all under the same namespace and make it the default namespace for that folder)?

User Control And Panel - TargetPnl To Display User Control Named Vviewer When Click SearchBtn?

Nov 6, 2009

I have an application going here Form1 has a panel on it named TargetPnl. I need my TargetPnl to display my user control named Vviewer when I click my SearchBtn and also need it to disappear when I click another button.

Creating A User Control At The Moment In 2010

Dec 26, 2011

I have a bit of a problem creating a user control at the moment. I'm creating it within my current project via the 'Project> Add User Control' menu item. The problem is that when I create the control, run a build and add it to my form the controls within the custom user control are about one and a half times the size they should be.

[Code]...

VB 2010 - How To Make User Control Transparent

Mar 19, 2012

I have code for make the usercontrol transparent:
Protected Overrides ReadOnly Property CreateParams() As CreateParams
Get
Dim cp As CreateParams = MyBase.CreateParams
cp.ExStyle = cp.ExStyle Or &H20
'WS_EX_TRANSPARENT
[Code] ......
These code shows the usercontrol transparent. But when the control moves I see that these control needs time to be transparent or drawing an image. Why so many time(maybe 2 seconds)? And why I can't use directions keys on keydown event? (The arrow keys are ignored).

VS 2010 - Grid Binding In User Control

Dec 21, 2011

I have created a user control. The user control has a button and a propertyGrid. I wrote a function to bind data to propertyGrid. When I click the button I called the function and datasource binded to propertyyGrid, its working fine. The same way am binding the grid from another class.vb, the datasource binding not throwing any exception. But the data not showing in the grid. Should I need to change any modifier.

User Control - Calling A VB Linkbutton's(within A User Control) Click Event From Javascript?

Apr 11, 2009

how can i call a VB function - deleteevent() in usercontrol.ascx.vb from a javascript function in clickhandler(e) in usercontrol.ascx. The call should cause a postback because I need the usercontrol to display the changes.I am currently trying to do it by using a linkbutton with style display:none, and calling its click event from the javascript function. But i dunno how to call the click event.

New Control Gives Namespace Errors

Nov 13, 2009

I'm trying to add Windows Media Player to a simple vb 2008 express addition program.When ever I add the WMP my built fails with the following error:
'AxWindowsMediaPlayer' is ambiguous in the namespace 'AxWMPLib'.

Asp.net - Using ASPX Web User Control With Visual Studio 2010

Feb 18, 2012

I am trying to implement a Web User Control into one of my APSX pages but keep getting the following warning:

Element 'IntFilter' is not a known element. This can occur if there is a compilation error in the Web site, or the web.config file is missing.

The user control is defined in the same web project as the aspx page.

Question: How do I resolve this warning (I do not want to move the control to a separate project)? Also, what do I need to do to enable IntelliSense for this control so I can set its FilterTypeSelection property from ASPX?

Code for "~/FilterControls/IntFilter.ascx"
<%@ Control Language="vb" AutoEventWireup="false" CodeBehind="IntFilter.ascx.vb" Inherits="StaffSupport.Filters.IntegerFilter" %>

[Code]....

Also of note, if you drag the control from the Solution Explorer to the page in Design view it will add the references you need (though it was still generating the warning for me). If you drag it to the page in source view it will add an a tag with a href to the element.

Update 2012/02/21 b:

VS 2010 - Time Scheduling Control That Allow User To Choose

Dec 10, 2010

I once saw in an app a control that allowed the user to choose when they wanted the Timer running. It looked something like this: And when the squares are green, for example Tuesday 3:15 AM - 4:15 AM, the timer would run during that time period. I'm curious as to what control will allow me to do something similar?

VS 2010 Creating A Custom User Control, Don't Know Where To Start?

Oct 26, 2011

I figured it out. Check out the finished control [URL]..I'm trying to make myself a simple 'star rating' control.

It would have the properties:
StarCount (number of stars)
StarValue (number of stars highlighted)

I want to draw the stars using GDI+, have them highlight on mouse over, and change the StarValue when clicked.I have an idea on how to do this from experience with working with forms, but I'm having some difficulties with the Control development part. I couldn't find any tutorials which didn't inherit a control (such as a checkbox or button), and I have no idea how to make my control editable in the designer.

I think what I need to do is create StarCount as a property like this:

[Code]...

I also want to execute my drawing code at design time, so I can see the stars while laying out a form. as a side note to that, I don't know how to change the size of the control at run or design time, nor how to disable the user from changing it at design time.as a side note - I know that there are a few star rate controls already floating around the internet, but I do not like the quality of them (or at least the one's I've seen), they felt very windows 98. I'm trying to make something that will fit well into windows 7 (plus I want to implement custom images, but that can wait until I get it working)

VS 2010 Load Event Of User Control Not Fired

May 17, 2012

I have a project which has a couple of tabs on form, an usercontrol is on the 2nd tab, when the form loads, i want the load event method of the usercontrol to fire, and the message box should pop up.Please see the attach file, the message box only pop up after the form is loaded and the 2nd tab is clicked, not when just the parent form is loaded.

VS 2010 Retrieving Data From User Control In Mdi Child?

Feb 23, 2010

It's been a while since I last tackled VB, so I'm kind of rusty.

I'm adding a custom control to a child form like so:

[Code]...

VS 2010 User Control Property - Group Attributes?

Apr 2, 2010

this questions has be answered partially, but I can't find any full tutorial for this problem.I created my own user control (an advanced list with columns). Each column has different attributes like width, colour and text.I want to able to add this user control onto a form and select/edit the different attributes of each column. Hence, for each column in my user control (these columns are created beforehand, no columns can be added or removed from it) there should be a property in the property-menu. Each of these column-properties should be expanded (like the normal size-property in most default vb-controls that can be expanded with the little plus to show the width and height individually.What i mean by this, is: In the property-menu there should be attributes like Column1, Column2, Column3. Each of these attributes should be expanded to show the attributes like width or colour.

Currently I have different properties for different values of the same column, like Column1Wodth, Column1Colour, etc, but I want to group this under one value Column1.I think this is quite an easy solution, but forgive me, I spent more than 4 hours on google, but couldn't find a proper solution.

Use Namespace In Control / Component Development?

Apr 19, 2012

I get the idea of using namespaces to organise classes and code.What I am struggling with is how to use them when developing custom controls and components.using a seemingly arbitary root namepace for a set of related classes.

Namespace MikeCon
Public Class MCButton
Inherits Button[code].....

And is there a 'right' way, or at least a 'better' way of setting up the namespace, i.e how best to use the Project Properties Root namespace and the Namespace statement in code files to get the outcome you want when developing custom controls and components?

Find And Interact With A User Control On Page From Separate User Control?

Oct 17, 2011

I have an aspx page that has two different user controls. I want to find user control A and be able to set properties, etc., from user control B.

I was thinking I could do something like this:

Dim CMFilters As Control = Me.Parent.FindControl("CMFilters")

...but that doesnt work to be able to set properties and call methods. I somehow need to get the user control and and declare it as that user control type.

VS 2010 : Change The Headers (User-Agent, Etc) For Webbrowser Control?

Dec 25, 2011

How can I change the headers (User-Agent, etc) for my webbrowser control, not just for the first page that I browse too, but for all pages.

VS 2010 Hiding The Tab Page Headers Without Having To Create A New User Control?

Jan 15, 2012

Is there any way of hiding the tab page headers without having to create a new user control?

C# - Adding A Global Namespace To .net Webbrowser Control

Mar 2, 2010

Scenario:A widget developer codes using HTML and javascript.my vb.net application allows developers to create widgets for other users.in javascript you can call window.external to comunicate with the host windows scripting object and I would like to add a helper namespace with many functions to aid the development of widgets similar to windows sidebar's System namespace.

Problem:So I could allow developers to use Window.External.System but how can I just allow them to access System directly without using Window.External?Microsoft adds a System Namespace to windows sidebar gadgets host window which is just an internet explorer server window.

Run A User Control Sub After Container Has Initialized User Control Properties?

Dec 22, 2010

In a user control I have the code shown below.

I now realize that it is incorrect because the container's InitializeComponent property initializations have not run yet and they must be run prior to Refresh being called.

How (where) can I run Refreash after the container has initialized this user control.[cod]e...

VS 2005 Using Combo Box In User Control And Getting Selected Value In Another User Control

Aug 31, 2009

i am using vb.net 2005 to developed desktop application I am having two windows form user control , the first control name con.vb containing the design and code for connecting to database and getting a list of my project values in combo box.

Now the second user control report.vb which i am using to generate some reports , since the code behind is using connection to connect to various project database , so i want to get the value of

First user control into another how i can get the i have tried the below but its giving me error in run time but no error in design or code behind -

MR.MainForm.Connection1.project_combobox.SelectedV alue.ToString

Error i am getting is :

System.NullReferenceException was unhandled
Message="Object reference not set to an instance of an object."
Source="MDR"

Adding Namespace Attribute To XElement - Prevent Blank/empty Namespace On Child Elements?

Mar 17, 2011

I need to read an xml document from a database record into an XDocument object in order for it to be deserialized. So that the deserialization will work, I need to apply a specific namespace to each of the level 1 elements. So XML looks a bit like this:

[Code]...

How do I prevent the blank/empty namespace being added to each child element of the element to which the required namespace has been applied?

ERROR : 'Namespace' Can Occur Only At File Or Namespace Level

Jan 29, 2012

Imports System.Windows.Forms

ERROR : 'Namespace' can occur only at file or namespace level

Type Or Namespace Name 'Messaging' Does Not Exist In Namespace 'System

Apr 10, 2010

The type or namespace name 'Messaging' does not exist in the namespace 'System' (are you missing an assembly reference?)

Namespace Missing In VS 2010?

Jun 21, 2012

I have installed VB.NET express 2010 version and I am trying to create a new dll file for use in my SSIS packages. When I try to write the code, the VS environment tells me that I dont have the Microsoft.SqlServer.Dts.Runtime Namespace. What can I do to make this possible?

I looked around on internet but couldn't find anything substantial. I also have BIDS 2008 which I use to create packages. I cannot uninstall that because I have some work to do on a daily basis.

VS 2010 Not Valid Namespace?

May 28, 2011

I'm having trouble with the code editor. I was exploring different functions and one of them that I clicked made the hidden code that VB uses to override to clean the form visible. This had lead to many issues. There is a partial class that is missing "end class" statement. When I put in the end class it makes nearly everything get a "not a valid namespace" error. I do not know how to fix this.

Code without endclass Private Sub frmMapReader_Load(ByVal sender As System.Object, ByVal e As System.EventArgs)

[Code]...

VS 2010 Multiple Classes In Namespace?

Oct 26, 2011

Is it possible to have multiple classes in a namespace and be able to reference the functions within the clases if the Major class is instaniatated from another class?? for instacnce:

Namespace Database
Public Class Data
Public Class Prepare

[code]....

System Namespace Conflict With Sibling Namespace

Nov 16, 2011

This class is located in the namespace Acme.Infrastructure.Interface.A class with the same name EventArgs exists in the System namespace.In another project in my solution I have a class Acme.BusinessModules.MyModule.MyClass.When attempting to use the EventArgs class I have to fully qualify the class name or the compiler thinks I am using the System.EventArgs class.My understanding of namespace resolution was that the compiler would first look for the class in the current namespace, and then its parents. It seems that the compiler checks in System before it checks in sibling namespaces. Is it correct that System is checked before the sibling? Or is this behaviour caused by other issues (Imports order?)?

Access User Control Attributes From A User Control?

Mar 27, 2009

I am trying to build a tournament bracket application. In order to build the application efficiently I would like to make a user control "GameControl" that represents a game and give it attributes that represent the names of the competitors "TeamNameA" and "TeamNameB" ,an attribute "Winner" to represent which team should move on, and an attribute "NextRoundGame" that assigns another instance of the user control so that it can assign the "winner" to one of the "TeamName" attributes of the next round in the competition. If the controls were native to VB I feel like I could do it easily (I have only spent about 30 hours self teaching/tutorial following) but I can't seem to find out how to pass values to custom attributes of custom user controls through code.

VS 2010 - Disable Absolute Namespace Reference On Autocomplete

Aug 9, 2011

When I'm coding in Visual Studio 2010, say that I have some interface:
Namespace Some.Huge.Terrible.Namespace.Adhering.To.Company.Standards
Public Interface MyInterface
...
Property SomeThing as String
...
End Interface
End Namespace

And a class:
Public Class CoolThings
Implements MyInterface

When I hit Enter after MyInterface, Visual Studio will put
Property SomeThing as String Implements Some.Huge.Terrible.Namespace.Adhering.To.Company.Standards.MyInterface.SomeThing

I would like it to, instead, simply put:
Property SomeThing as String Implements MyInterface.SomeThing

It does the same thing for all methods, etc. that I have to implement and it's mildly annoying to either have to look at a stupidly long reference, or clean it all up since I'm importing the namespace at the top of my class anyway. Is there a setting in Visual Studio that I can use to switch that?

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