Loop Each On Page Controls
Jun 11, 2009I'm new to ASP.NET and i would like to ask, How do i loop on each Labal control in the page.
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Loop Each On Page Controls?
Sep 8, 2010How do i loop on each Labal control in the page i tried :
For each lb in Label.Conrols
next
but for no avail
Setting A 'default' Value To Controls (textbox) (loop Controls)?
Nov 11, 2009I have aspx form with several textboxes.They are populated with values from a table via retrieval of a dataview.If the row count for the dataview is 0, then I'd like to reset the values in all textboxes. How can I loop through all the textboxes and set a default value?I've tried the following, but no sucess.
For Each ctrl As Control In Page.Form.Controls
If TypeOf ctrl Is WebControls.TextBox Then
CType(ctrl, WebControls.TextBox).Text = ""
End If
Next
My first For Loop was using Page.Controls but it returned only 1 count.The textboxes are inside a tabpanel (ajax), so do I have to locate the tabpage and then find all it's controls (for each tabpage)?
VS 2008 Loop Through Controls Doesn't Get All Controls?
Jan 21, 2011I am rather irritated at this. I have no clue why looping through controls on a form and in groupboxes leaves out 75% of the controls.
Here's the code I have:
Dim settings As String = ""
Dim gbControl As Control
Dim gbbox As Control
[Code]....
I want to have setting save all settings to an ini file, and not have to reprogram the saving routine when I add a group box or control. At random times, any number of controls can be disabled, checkboxes can be checked and unchecked, radiobuttons can be checked and unchecked. Regardless of the state of the control, I want the control to show up in the loop. But they don't. Only controls that are enabled and only checkboxes that are checked, every other control state is ignored. That's crap, and is definitely not what is needed by any programmer of any type. We're capable of determining if a control is enabled, hidden, checked, visible, and otherwise.
How do I get the controls to be included in the loop regardless of their state?
Add Shapes/Controls In A Loop VB.NET
Jun 8, 2011I've to show some PowerPacks.RectangleShape in a PowerPacks.ShapeContainer. A loop in my code add shapes to the container
(objshapecontainer.shapes.add(objshape), but at the end of the loop, only the last shape is displayed, in fact objshapecontainer.shapes.count doesn't exceed 1
Loop Controls To AddHandler?
Feb 20, 2012I have the following code to dynamically add handler to my controls
Private Sub HandleMyControls(ByVal Proc As EventHandler)
For Each c As Control In Controls
Select Case IsContainerControl(c)
[Code].....
There are some subs and functions that help me in what to change and where to loop. My problem is that right now, I can set only .enter event of the control I tried to set parameter as Event but i got an error on that. So, what I want to do is something like this:
Private Sub HandleMyControls(Event as ???????, ByVal Proc As EventHandler)
If MatchControl(c) Then
AddHandler c.Event, Proc
End If
Loop Through A Collection Of Controls?
Feb 24, 2010Im trying to loop through a collection of controls see code:
Private Sub addZeros()
For Each ctrl As Control In Me.Controls
If TypeOf ctrl Is GroupBox Then
[Code]....
Using For Each Loop To Work With Controls
Jan 2, 2012I can use the below code snippet to clear the text from each textbox on a form.
For Each ctl As Control In Me.Controls
If TypeOf ctl Is TextBox Then
ctl.Text = ""
End If
Next
But if I want to use it to ensure that all radiobuttons in a group of radio buttons are unchecked then it doesn't work i.e.
For Each ctl As Control In Me.Controls
If TypeOf ctl Is RadioButton Then
ctl.checked = false
End If
Next
I'm assuming it is because the checked property is not common to all controls.
VS 2008 How To Loop Through Controls
Aug 23, 2011I can't use the normal method, my controls (picture boxes) names contain numbers such as 00, 01, 02 etc which corrispond to my multidimenional array.
I'm attempting change the picturebox's values in a for loop via the counter in the loop, for example:
For i = 1 To 4
PictureBox(i).enabled = False 'Picturebox1 will be the first one(counter starts at 1)
Next
I basically need to access each one as I would with an array, I can't type the full names out, can only refer to them via their names + counter number because I don't know what control name I would be dealing with at that time in the loop.
Asp.net - Loop Through Dynamically Created Controls
Mar 1, 2012What I am trying to do is dynamically create a bunch of dropdown lists and then I want to loop through them and update the database with those values, but the problem I am facing is that I create the dropdown lists, but then when I go back to loop through them they are no longer in the panel. I don't know why but when I am debugging I have a count of 50 controls in pnlTeacherSelect right up until I press the button that calls prcChoose.
[Code]...
Creating Controls From Code In FOR NEXT Loop?
Nov 24, 2009I'm creating 50 picbox in code. they are named Area1_1 to Area 1_50.
They all have different XY position and different size, setup in % of the form width.
Like this:
Code:
Dim Area1_1 As New PictureBox
' Dim 48 other box...
Dim Area1_50 As New PictureBox
[Code]....
But it don't work. Probably because the controls is not added to the form yet...
Loop Through All Forms And Controls In Project?
Sep 5, 2008I want to create a table with 2 fields (FormName, ControlName) that consists of all form names and all control names (within that form).[code]...
How do I loop through all forms and controls in my project?
VS 2010 - Loop Controls Through Counter?
Jun 5, 2012I'm trying to load a file where this file has, like, 10 lines. And I want to load each line (0 to 9) to each TextBox in my app (TextBox1 until TextBox10). So, there's a way to do this with a counter?
Like this mine code (that doesn't works):
If (System.IO.File.Exists("configs.ini")) Then
Dim configs As String() = System.IO.File.ReadAllText("configs.ini").Split(vbNewLine)
Const Max As Integer = 9
Dim TextBoxes(Max) As TextBox
For i = 0 To Max
TextBoxes(i + 1).Text = configs(i)
Next
End If
VS 2010 : Use Controls While A Loop Is Running?
Oct 4, 2011Basically what I have are two loops, one inside the other, that will run until the given condition is met. Exactly what I want. My problem is that I want to be able to use the controls, like buttons, while a loop is going on.
I originally did not think of this until I had built this part of my program, what I want to know is if there is a way to use controls while a loop is going on or if their is an alternative.
1)I know timers can be used to meet these goals, but they did not work out as I had hoped and using two timers (1 to represent each loop) I do not believe is efficient.
2)I have considered using recursion, but have found this may not be very efficient either and am not quite sure if this will do what I want.
These loops run as long as the number the user inputted. So it could theoretically run for 100,000+ times. I am not looking for speed, but it would be good if there were a faster method that allowed me to use controls while it loops.
VS 2010 Loop Through Controls And Change Value?
Oct 22, 2010I want to reset programatically the values of all the labes on my form for example label1.text=1, label2.text=2 etc etc (there are 90 in total)
I came up with:
Dim i As Integer = 0
For Each objcontrol As Control In Me.Controls
If objcontrol.Name = "Label" & i Then
[Code]....
Read File + Download Web Page In Same Loop?
Aug 9, 2011In a loop, I need to read a list of URLs from a text file, download the web page, and search for a bit of text using a regex. I used the following code, which triggers the error "WebClient does not support concurrent I/O operations.":
[Code]...
Asp.net - Loop Through Controls And Change LINQ Columns?
Jun 29, 2010I have the following code:
Dim i As Integer
For i = 1 To 20
Dim captionTextBox As TextBox = DirectCast(Me.FindControl("news_Image" +
[Code].....
Where the comment is in the code above, I need to insert the value of the textbox (text) into Linq columns. For example: articleToUpdate.news_Image1Caption, news_Image2Caption, but I need to change the number after news_ to the value of i in the for loop.
C# - Searching For All Validation Controls On A Page
Apr 22, 2010I want to search an ASP.net form for all types of validation controls and programmatically add some attributes to them such as ForeColor.
View 2 RepliesHow To Disable All Controls On Accounts Page
Jul 27, 2010I am using a masterpage. On a accounts page I have a Usercontrol on this UserControl I have one more user control. If Account is closed I want to Disable all the controls on Accounts page (including parent and child userControl - controls collection).
View 1 RepliesJavascript - Add Upload Controls To The Page?
Jul 17, 2010I'm trying to add upload controls to the page. This HTML mark-up with JavaScript is working fine but theres no option to remove the added control:
1. Example A
<%@ Page Language="VB" AutoEventWireup="false" CodeFile="Default.aspx.vb" Inherits="_Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
[code]....
Every thing was working fine with Example A, only there's no option to remove the added contorls.When I added "Remove" control option with jQuery in Example B, HttpFileCollection can't get any file from input control added to the page.
Reset Fields / Controls In A Tab Page?
Aug 26, 2010I have an app with a tab control and multiple tabs. I am looking for a "reset all" function that will set an individual tab's contents back to their default state (typically null). I realize I can go through and set each to "", unchecked, etc but I was hoping there might be a single function that does this already (save a ton of coding time).
View 4 RepliesAdding Arbitrary Number Of Controls In Loop At Runtime
Jul 12, 2009How do you add an arbitrary number of controls to a form at run time? With indexed controls I could define the 'seed' control at design time and reference 'clones' of the 'seed' control at run time via the index. Now I must declare each additional instance of the control at run time then set each individual property that differs from the default for that control for each instance. Then I must add the newly declared control to the appropriate container controls collection. I'd like to do this in a loop but how can I get away from using a fixed control name in the declaration:
Dim controlname As New Control
I can't use a string that I can manipulate the contents of for controlname because it sees it as a double declaration. I can't use an array such as Control(index) for controlname. Dim Control(maxindex) As New Control doesn't work. Dim Control(maxindex) As Control works but any assignment based on this such as Control(indexvalue).Name = "ControlName" fails. It didn't address the issue of handling the declaration of new controls in a loop with some kind of variable name for the control.
Executes A Loop To Make Visible All The Controls On A Panel?
Jun 12, 2012I have a BackgroundWorker and the DoWork event, calls a function called "JustMe", it executes a loop to make visible all the controls on a panel, but does not work vb.net
Private Function JustMe As Boolean For Each ctr As Control In Panel1.Controls ctr.Visible = True Next Return True End Function Private Sub BackgroundWorker1_DoWork(ByVal sender As System.Object, ByVal e As System.ComponentModel.DoWorkEventArgs) Handles BackgroundWorker1.DoWork
JustMe()
End Sub
Loop Through Controls In A Specific Row/column Location In A TableLayoutPanel
Aug 14, 2009I have a bunch of controls loaded into the same row/column in a TableLayoutPanel. I only have one at controls visible property set to TRUE at a given time. I want to be able to loop through the controls that specific row/column position in the TableLayoutPanel and test for a condition (control type) and then set this control's property to TRUE and all others to FALSE. Bascially I am turning controls on/off.
I know can loop through an entire TableLayoutPanel like this:
For each control in TableLAyoutPanel.Controls
Next
How do I restrict this loop to a specific row/column in the TableLayoutPAnel? Can you qualify where specifically you want to look in the container control?
VS 2005 - Controlcollection - Make A Collection Of Controls That I Can Loop Through
Mar 2, 2010I am trying to make a collection of controls that I can loop through. So I have this code in my form... Dim WizardFrameCollection As New Control.ControlCollection(Nothing)
I then try to add controls to the collection by I get a error "Object reference not set to an instance of an object." WizardFrameCollection.Add(Me.GroupBox1) I am not sure why I am getting this error. Groupbox1 is a groupbox that is on the form.
VS 2008 - Tab Controls With Several Button On Popup Page
Dec 22, 2009I have seen on a few applications where there is a Pop-up page that has Tab controls on it with an several buttons on the bottom for Ok, Cancel and Help. These three buttons are on all 6 Tabs, but I don't think they actually have different button clicks for each tab. How does one have these three button on all the tabs but without having to have separate clicks statements.
View 2 RepliesFor Each Loop - Involving LINQ Query When Reading Form Controls
Dec 8, 2009I have a form with a tab control, containing a small number of tab pages. I'm writing a sub procedure to clear the controls within a groupbox for the selected tab. A selected tab will only ever contain ONE groupbox and within a groupbox will be command buttons, labels, text boxes and possibly a combobox. The first block of code below firstly finds the groupbox within the selected tab. The next part loops around all control type and if of type texbox clears the text.
Now hears the head scratcher/confusion it error's with :-
Unable to cast object of type 'System.Windows.Forms.Button' to type 'System.Windows.Forms.GroupBox
Which I don't understand as I cant see where Im converting objects simply looping through all controls and then ONLY if type of control is textbox then clear text.
'Loop around all controls in form, simplified that all controls
'are within a SINGLE groupbox and clear contents or reset to default value
Dim groupbox = (From grpbx In tabAdmin.SelectedTab.Controls _
Select grpbx = DirectCast(grpbx, GroupBox) _
Where TypeOf grpbx Is GroupBox)
[Code] .....
Forms :: Loop Through Controls In A Group And Find Out Which Button Is Clicked?
Sep 2, 2010I have a form with many buttons on it and I would like to loop through all the controls in a group control and find out which button is clicked.
I plan to use the click event of the button and I know it's easy to create a click event procedure for all of the buttons but would like to avoid that.
The group control is called GroupFilterButtons.
TabIndex Property - Loop Through Windows Form Controls Array
Oct 14, 2009Any hunk of code that loops trough the windows form controls array, and based on top/left to bottom/right, resets the TabIndex property? I've mashed a huge form together and expect my user community to want to move things around, and I don't want to have to fool around with this over and over again.
View 6 RepliesAdding Handler For Controls Added At Page Load
Aug 5, 2010i am wanting to add handler for controls i add at Page_load at page load i added several image buttons and applied the image urls using -i used the borderwidth propertiy for padding as was having trouble getting a cssclass to work. [code] what i want these Image button to do is when clicked a larger image in another panel will appear so i will need to assign the clicked buttons image url to the large image controls, image url
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