VS 2008 Adding Multiple User Controls To A Form?
Nov 10, 2010
I have a form that I will be using to keep track of data for computers I build and will eventually link into a database for configuration management, but for right now I'm just trying to get the basic form layout done and functional. I need this for to be customized for each job I do, that means I can have multiple computers, PC card, peripheral equipment, etc. So with that said basically what I have done is created a user control for each separate item that I want to add (i.e. computer, PC card, etc) that has all the fields and functions I require. When I want to add another computer I just add a tab and place my "computer" user control on it, no big deal...
My issue is when I want to add my "PC card" user control to that "computer" user control. What I am trying to do is to add the first user control(PC Card Info) I created under a button called "Add New PC Card" (which is part of the "computer" user control.)and that part works! What I want to do is keep added as many "pc card"user controls as I need and basically keep appending them under the last control on the bottom of the page (which is the "pc card" user control, that is a groupbox with a few drop down boxes and text boxes in it.)with a little spacing between them. The biggest problem I am having is when I add the first "PC Card" user control, it works.. but when I try to add another one and search the current page for all user controls under a certain point or with a specific name, I don't get any results.
I think I'm on the right track with the following code but I am running into 2 things I can't do that are critical to my needs. 1: I need to define the text of the user control I just added so I can uniquely identify it, so If I need to remove it I can and will also play a role later( I thought if there was some way in code to make my control # a variable that may work) 2: I need to know what to look for since I have a count that represents how many of that particular control exist on my form, that way I can name them properly, this will also allow me a method to delete the user control if desired.
Dim pccard As New PC_Card
Dim x As Integer
Dim name As String
[Code].....
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Feb 27, 2012
I have a User Control which returns a table of data, which in some cases needs to be looped, displaying one on top of another. I am able to dynamically add a single instance of this by placing a fixed placeholder in the page. I am now trying to work out how to add more than one, given that I don't know how many might be needed I don't want to hard code the Placeholders. I've tried the following, but I am just getting one instance, presumably the first is being overwritten by the second
My HTML
<div id="showHere" runt="server"/>
VB
Dim thisPh As New PlaceHolder
thisPh.Controls.Add(showTable)
showHere.Controls.Add(thisPh)
Dim anotherPh As New PlaceHolder
anotherPh .Controls.Add(showTable)
showHere.Controls.Add(anotherPh)
How do I make it add repeated tables within the showHere div?
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Sep 23, 2010
This illustration shows how I'm trying to get 2 vb.net user controls into the toolbox to use on a c# form. In toolbox Select Items I see the items checked but clicking OK or Reset doesn't make them appear in the toolbox. How do I do that? somehow the controls appeared in the Toolbox, but they're greyed out and unavailable.
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May 12, 2012
i'm adding some user controls to my form but when i debug my project VS 2010 send me this error The variable 'xxx' is either undeclared or was never assigned what does that mean??(and its actually declared in the designer code)
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Jun 23, 2012
I have been set a project from school to design snake in VB.Net but i am struggling to dynamically add the user control which acts as one of the dots in the body of the snake. Every time i add a dot on to the snake the previous vanishes. I assume this is due to me overwriting the previous one by creating a new instance of the object but i cannot find a way of adding a new one in.[code]I have tried using body(i) and other ways of adding a new instance of the object but am stuck.The subroutine will be called up when a new control is needed.
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Jan 19, 2012
I'm having a problem adding multiple dynamic controls. the problem is that I can add one no problem, but when I try to add more it only adds one with the label's text = the last file name in openfiledialog. [Code]
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Mar 30, 2012
Ok, I have this code... and it works. If I want to add it to say... a checkbox or something of the sort.
Public Sub groupaddarray()
Try
'Alpharetta Staff
If Form1.CheckBox23.Checked = True Then
Dim grp As IADsGroup
[Code]...
My question... how can I double click the listbox, and then it keeps adding these groups to say... another text box, and when I click add groups it will read the textbox, and add multiple groups instead of just the one?
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Apr 1, 2010
I have been working on a VB 2005 applications for the past week and now I'm not able to add a control to the form. It's a very basic app with only one form and I can add the control in design mode but it does not appear on the form in run mode and is on the verge of driving me nuts. Pretty new to programming by the way.
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Apr 3, 2012
I have multiple user controls (the same one dynamically added to a form 4 times), and one class. I would like all of the user controls raise events in that one class. For example, if any of the user controls are clicked, I want it to send a string to the class to be processed and show a MsgBox "Control name was clicked"I am doing this as an exercise to reduce repeating the same code over and over directly in the control, and to avoid creating the class over and over to accompany each user control.
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Sep 20, 2010
How can I add a new property to a button or a form or any thing else in the properties window?
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Jan 27, 2010
Updating a VB6 prog in VS2005 on Windows 7. The prog has an MDI + child forms and there are a number of content types, with varying numbers of controls being set up and positioned from setup files.On forms which are not child forms I can easily add controls at run time like this:
Dim lab As New Label
With lab
.Left = 0 : .Top = 0
.Width = 800 : .Height = 800
[code]....
This doesn't work on a child form, no label is visible. Can't see any obvious problem in quickwatch.
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Apr 28, 2010
What I am trying to do is create a form in code that runs while the BackGround worker is running.I created a form the normal way with a label and progress bar but I want to update the label with what is going on in the BackGround Worker.Doing it the standard way isn't updating the label on the form.So my next idea is to create a form in code which I have done, but now I can't remember how to add controls to that form at runtime.Here is the code I have so far.[code]So from here I have tried the CreateControl() and the Controls.Add() and neither one is working for me.
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Jan 27, 2010
Updating a VB6 prog in VS2005 on Windows 7. The prog has an MDI + child forms and there are a number of content types, with varying numbers of controls being set up and positioned from setup files.On forms which are not child forms I can easily add controls at run time like this:
Dim lab As New Label
With lab
.Left = 0 : .Top = 0
[code]....
This doesn't work on a child form, no label is visible. Can't see any obvious problem in quickwatch. Is there some known reason for this or do I just have a wierd bug?
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Apr 4, 2011
I could review that could help me create a designer view (actually similar to how Visual Studio works but more basic), I would like to be able to add controls dynamically (just panels or images), then move those around individually(drag and drop), then count them all and get an array of what I have added..[code]But I would like to get an idea how it looks if things get more complicated..I wonder, are we able to use the classes of Visual Studio's editor in some way? Or are there .NEt classses that can do this?
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Aug 26, 2010
When I click a cell or a row in a datagridview I want to be able to open a new form with several textboxes and comboboxes in it and to be able to edit the selected row. The only thing I managed to do so far, was to fill a texbox from the form with the info from the sellected cell using the following code.
Dim
cell As
DataGridViewCell
[Code]....
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Mar 9, 2011
I have eight NumericUpDown controls in my form, I call them NumericUpDown_1 thru NumericUpdown 8. I first noticed when I set a breakpoint in say NumericUpDown_1 routine and have code inside this routine to manipulate say NumericUpdown_6's value, the code would immediate jump to NumericUpdown_6 routine because the value changed. This makes sense since the handler fires due to the default handler - numericUpDown_valuechanges. But I do not want this to happen so I removed the handlers for all NumericUpdownX routines, one thru eight and instead I use "addhandler" and "removehandler" statements inside the individual routines to "mask off" this problem every time I change a numericUpDown.Value that is not in it's own routine.
My problem is this does not work. What I found is if I use removehandler numericUPDown_x.valuechange addressof numericUpdown_valuechange statement the coding would work however when I'm done in that routine I follow up with addhandler numericUpDown... statement and I'm back to the same problem. A different numericUpDown routine will fire because I changed it's value in another routine but I had the handler removed before I changed it's value so I don't understand. It's almost like it remembered that it's value changed as soon as I turned back on the handler using addhandler. I'm working with Visual Basic 2010.
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May 23, 2012
I'm trying to iterate through a group of ComboBoxes and set a property using a concatenated string & variable to represent the name of the control. However, I can't get the instance of the form to recognize the (String & Integer_Variable) as one of its controls -- and so it doesn't recognize any of the appropriate properties or subroutines as members of the System.Windows.Forms.Control.Is there a cleaner way to do this?
For myTempCount = 1 To 6
If tempValue < Me.("ComboBox" & myTempCount).Items.Count Then
ComboBox.SelectedIndex = tempValue 'appears to work -- how?[code].....
This code was originally VBA / VB6, which I put through ArtinSoft's Visual Basic Upgrade Companion (VBUC). FWIW, I'm using Microsoft Visual Basic 2010 Express.
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Jul 18, 2009
Im currently working on a project using VS2008. One of the features of this applications is to enable the user to change the theme either buy selecting preset ones or defining there own. The themes used in this application are not the default windows ones. I basically created my own window, titlebar etc... with the use of panels and removed teh windows form borders. So its basically coloring the controls on the form. At the moment the theme information is stored in a "txt" file and when the application loads, it applies the theme to the current form. However, there is more than 1 form within this application. I dont want to write many lines of code to apply certain design/appearance properties to every control in the form. So is there a way to apply settings to a group of controls?
EG: Make all textboxes BackColor Blue
My application also has widgets. All widgets are panels with their names prefixed as "Pnl_WIDGET". Is there also a way to set propeties to all panles with the name beginning with "Pnl_WIDGET"?
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Oct 1, 2010
How would I go about doing multiple layers on a form?Say the first layer contains a command button that when its click, it changes to the second layer hiding the command button and showing the controls on the second layer?
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Dec 2, 2009
How many controls can I have before I should start looking at user defind controls because of too many controls making my program go slow?
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Mar 23, 2009
I'm trying to dynamically add a control to a form from an event that is raised from an asynchronious socket's thread.
In other words, when I get an OnDataArrival event is raised from the socket thread, I raise DataArrival event in my form. The form's DataArrival sub then tries to create and parent a control.
Whenever I try this, I get the following error: Controls created in one thread cannot be parented to a control in a different thread.I know a bit about delegates and invoking, and I think that's how to solve this problem, but I don't know where to declare the delegates and how to use them.
Ideally, I want a delegate/invoker to handle the DataArrival sub in the socket class so that everything that happens after that will be thread safe. Can this be done?
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Aug 31, 2009
When I add a control to a TLP in design mode several new properties get added to the control, such as ColumnSpan, RowSpan, etc, which can then be set in the properties window. If I add a control to a TLP in code these properties don't seem to be available. how to set these properties in code if it's even possible?
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Jun 2, 2011
Still using VS 2005. My concept is to use the same form space to display different "pages", like a "wizard" where you click the [Next] button, and the current UI disappears and a new UI appears. I want to "turn off" multiple controls and "turn on" multiple other controls. Example code: -
Private Sub
Button4_Click(ByVal
sender
[Code].....
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Aug 25, 2010
At design time in the IDE, you can ctrl-click or drag a box around multiple controls on a form and move them all at once. How do you do that at runtime. I need to be able to create image maps based on textual copies of medical claim forms that are generated from different systems and the ability to create dynamic label controls and move a single or multiple controls and resize is required. How does MS do this in the IDE?
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Jun 12, 2011
UserControl Contain two combobox and Gridview Control. When i add this control to my form and change the value of combobox selected item then the value not get into the form But when i debug the code and reevaluate (Quick Watch it) then i get the value of combobox.selecteditem
[Code]
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Jan 15, 2012
im trying to work with adding controls in runtime. Anyways ive added a ContextMenuStrip control in runtime and added a item called "Display". The ContextMenuStrip is also added to textbox's that are also added in runtime and when i right click a textbox i see the "Display" but i want it to do "msgbox(textbox.text)" when i click "Display".
[Code]...
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Jun 18, 2012
I've tried following the Microsoft instructions to add multiple Textboxes to my form, but just cannot get it to work.Thus, I've deleted everything I wrote, so I don't have code to post. Is there a very simple way to add multiple TextBoxes to a form and be able to index them? If it's too lengthy, Is there a workaround?
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Apr 8, 2011
I have a main form and a user control. I can capture raised events fine in the user control from another class. I have tried the same from my MainForm to raise an event that my user control can handle.
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Nov 18, 2009
I have a user control that has several things on it. One is a grid that I want to show pass the bounds of the user control. I want to use the form that is using the user control boundries. How do I do this? I hope this is making some sense. Do I have to set a parent or childeren?
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Jun 23, 2011
How do capture which button caused the postback on a web form with multiple controls using asp.net
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