Clearing Textboxes, Listboxes, Checkboxes And Radiobuttons?
Jan 12, 2010
I have developed a simple form with some checkboxes, textboxes, radiobuttons, and textboxes inside a groupbox. Initially I had all of this inside 3 tabs. I created a button to clear all selections so user can restart the process of selection if so choses. It does not work (see below). I thought it is the tabs - so I went on and removed them (by coping the groupbox - deleting the tabs and then pasting the groubox into the main form). The code still does not work. Is there a setting that I must change or something else because a created a simple form with a couple of groupboxes that had all the above mentioned and it works just fine - all of them clear. Just in my form it does not work
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Jun 28, 2010
Is it possible to use CheckBoxes to act as RadioButtons for Yes or No options?
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Apr 5, 2011
Am just goin on 3 weeks of teaching myself vb2010 and have found a long way to do a simple task. Well it seems it should be a simple task. I have about 12 different listboxes spread over 3 different tabcontrols. There are 3 buttons that load all the listboxes according to which tabcontrol they are in. I found that when populating the listboxes it would not clear before loading the information so it would basically double post, triple post etc. I've figured out one way to do it that I've put in a sub and call the line before the tabcontrols are populated with their listboxes. Here is the sub:
[Code]...
It seems like a longwinded way to do this is their an easier way to have one command clear all listboxes within all tabpages within all tabcontrols on the form??
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Mar 22, 2011
I am trying to put together a simple form with prices assigned to Radio buttons and check boxes.
I started by creating a simple form with four Windows Form control, two check boxes and two radio buttons, there is also a NumberUpDown Control for quantity but I have not added that yet.
Basically the user make selections, the price is calculated with total and subtotal and displayed on a label.
I am trying to start as basic as possible then work my way up to more complex calculations as I progress.
Here is my Screw up version: :)
Public Class Form1
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
[Code]....
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Mar 18, 2011
I'm doing an assignment for Uni and in my VB.NET form I have some checkboxes, I'm trying to loop through and clear them (I have a button which will clear the form). My problem is that there seems to be no property I can use to set the state of a checkbox when not explicitly telling VB which checkbox I want to use. for example, I can go
WineCheckBox.Checked = False
That will check the box, but I wand to DRY the code up a bit and not have to repeat this for each check box I have, this is what I was trying to do:
If TypeOf element Is CheckBox Then
element.Checked = False
End If
I've tried using element.CheckState and element.Checked and both times I get "Checked (or CheckState) is not a member of System.Windows.Forms.Control".
This is the whole block of code:
'clear the controls
For Each element As Control In Me.Controls
If TypeOf element Is TextBox Then
[Code] .....
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Mar 20, 2012
I believe the following code, which clears/unchecks the checkbox in the "RowSelect" column, actually runs, but it runs VERY slowly. In testing I have approximately 2300 rows in my DataGridView:
Private Sub btnClearAll_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnClearAll.Click
Dim curRowIndex As Integer = 0
Try
dgvWISDataGrid.SuspendLayout()
For curRowIndex = 0 To dgvWISDataGrid.RowCount - 1
[Code] .....
The app appears to "hang" because this loop is taking so much time. When I hit the pause button, it always seems to freeze on the "dgvCell.Value = False" statement and when I hover over it the popup says "Property evaluation failed." Something is taking quite a long time or is interfering with this routine.
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Nov 14, 2009
I have three textboxes and a button. The button's role is to clear all the textboxes. This one textbox that I don't want to clear keeps clearing. What do I have to do for this one textbox to not clear up when the clear button is pressed ?
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Oct 5, 2011
I want to clear all of the text boxes in a groupbox without hard coding them all. I tried the following snippet, but it also clears all of the form labels which I would like to keep.
For Each TextBox In GroupBox1.Controls
TextBox.Text = ""
Next
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Sep 9, 2011
Using VS 2005 for this one. Basically what I need to do is create x number of labels and textBoxes on a form.I know there is a way to do it, but like I said I've never had to so this is new and not really sure what the right name for it is (always learning right).
Do
' look for a value if so then
'create and populate the lbls and txtBoxes
[code].....
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Jan 29, 2009
I would like to create a button that clears textboxes and comboboxes when it is clicked. For example when 'btnClear' is clicked then txtDate gets cleared (i.e. txtDate is 22/05/2000 then when btnClear is clicked it has nothing in it)
I have already tried
txtDate = ""
and
txtDate = Nothing
but an error comes up.
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Jun 16, 2011
so yesterday this code was working for my userforms and today its not. Its a simple clear command for textboxes and comboboxes. what is from here?
Dim ctl As Control
ForEach ctl In Controls
IfTypeOf ctl Is TextBox Then ctl.Text = ""
IfTypeOf ctl Is ComboBox Then ctl.Text = ""
Next ctl
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Nov 7, 2011
When clearing input from users. What is the difference between clearing it in these two forms
txtExample.Clear()
versus
txtExample.Text = String.Empty
The only difference that I could find was that the labels aren't cleared with .Clear() (or at least from what I inferred from my book that's not possible). Is there a noticeable speed difference or should I just clear both labels and txt boxes with String.Empty
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Feb 7, 2010
I have several textboxes in a form, and have a button which inserts all the values in a Database and I have to clear the content of all the textboxes and focus to the first one right after pressing the button.Now I can easily do that using the Clear method of each of the textboxes but it takes 10-12 lines of code just for that. Can I do that in one go?
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Apr 24, 2009
1) My program has 3 groupboxes each consisting 3 radiobuttons. Based on what is checked in the first box, and then what the user chooses in the second box, I either need to hide the 3 box and choose one option, or keep it showing for the user to select an option. The hiding is because based on the previous choices, there is only one option for the user in the 3rd box, and so I don't want to confuse the user nor waste their time. So I when the user selects radiobutton1, I need to hide groupbox3 and select radiobutton2.This is what I have previously attempted and it didn't work.
[code]...
How can I select the radiobutton using code like shown above?2) My second question is regarding scanning strings. I have 2 output strings. They either print a device or a message saying why the user doesn't get an output. At the end of the code, I need to scan through the strings until I get to a space and then store that as a string. How does one go about doing this?
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Oct 16, 2011
I need to write client / server application... I need that client write it`s data in textboxes or comboboxes or check any checkboxes and etc. but I need that this info saved not in it`s own computer,on server...
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Dec 9, 2010
How to count the total no. of asp.net checkboxes, checkboxes checked, no. of checkboxes remain unchecked in webform using vb.net ?I m using Visual studio 2008 with vb as a language ..I my webform i have 10 checkboxes...i wanna count total no. of checkboxes in webform in textboxes1 total no. of checkboxes checked in webform in textbox2 total no. of checkboxes remain unchecked in webform in textbox3?
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Apr 1, 2010
Handling multiple radiobuttons, only one should be selected in group
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Mar 30, 2009
Im trying to use a CheckboxList Control to Store Yes and No and i noted there its a property on the control
"Selection Mode" One/MultiSelect/MultiSelect Extended
i set One expecting it to allow only one item being select at the same time but it doesnt work as expected, my question is there its another property to achieve this without having to code the event?.
i could do it by coding the event but, im tired of coding stuff that really isnt needed, since there are routines for that on VB.NET.
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Aug 26, 2010
I want to group RadioButtons, but I don't want to use the visible control GroupBox. Is there something like the Java ButtonGroup in VB.NET?
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Apr 12, 2009
I have yet another question. I have set up a series of radioButtons to create a menu of choice for a class project and am trying to set it up so that there would hypothetically be a discount on a purchase of two or more t-shirts, I have the coding set up so that if any one item is checked and the calculate button is clicked, then the dollar value or "total" will show up, however I am not able to set up a total for more that one item, it clears the previous "total" and sets up a new total for the most recent t-shirt value checked.
[Code]...
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Dec 6, 2009
How do I get all the radiobuttons to be unchecked when program is run? Right now there is always one button that is checked. Using VB2008. [URL]
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Aug 2, 2009
it's about a program mode, i want to hide all except one tabpages if i check the "standard"-radio button.
When i check "advanced" the tabpages should be visible again.
"standard" is radiobutton1, "advanced" is radiobutton 2
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Jun 8, 2011
My assignment is to get the Get Monthly Income (Num1)Get Monthly Home Rent/Mortgage (Num2) Get Other Monthly Payments (alimony, child support, student loans) (Num3) Display Allowable Monthly Car Payment Display Maximum Car Value (interest rate based on credit) (answer) Public Class Form1
[Code]...
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Nov 29, 2010
I have a panel on my GUI with radio buttons. When I run the code to determine which is the checked radio button from that panel, the code runs fine, but the panel disappears from the GUI after that. Here is the code I have to determine the checked radio button:
Dim rbName = (From r As RadioButton In Panel1.Controls.OfType(Of RadioButton)() Where r.Checked Select r.Name)
System.Console.WriteLine(rbName.First)
I have tried using:
Panel1.Visible = True
and also
Panel1.Show()
Panel1.Refresh()
but it doesn't show the panel again. I tried the same thing for individual radio buttons such as RadioButton1.Visible = True and it doesn't work.
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May 3, 2012
I'm making a questback in Windows forms (VB). I've succesfully setup the MySQL-database, and made connection with everything needed. I've also manage to populate a DataTable called tblAlt for the alternatives for the question.Then I try to populate each radiobutton with rows from the DataTable.Here's what I tried:
For Each row In tblAlt.Rows
If tblAlt.Rows.IndexOf(row) = 0 Thenof the table).
[code]....
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Oct 30, 2011
How do you pass one radiobutton from form 2 to form 3? Iv tried:
Private Sub Form3_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
If Form2.rbtnPatterned.Checked = True Then
rbtnPatterned.Show()
End If
But that doesn't work. The radiobutton selected in form 1 doesn't appear in form 2....
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Jun 29, 2010
Is there any way to use RadioButtons without any GroupBox or Panel or anything else?
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Jan 15, 2011
I'm making a basic game in Visual Basic, and I have a form called "Level1". In Level1, you press a button, and it pops up a dialog (I made the dialog, which is just called "Dialog"). The dialog has an empty label because once you press a button in Level1, in the click event, the label text is set, along with the RadioButton text. The Label is a question such as "What is 10 x 10?" and the RadioButtons display possible answers. Below the RadioButtons, is a Submit button that the user clicks once a RadioButton is selected. The thing is, I only have one dialog box because the game has 5 levels and 9 buttons per level, so I don't want to make 45 separate dialog boxes. Is there a way I can make the Submit button click event in the click event of the first button in Level1?
Private Sub q1Btn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles q1Btn.Click
Reset() 'Setting text for label and radiobuttons to ""
'Setting text for label and radiobuttons
[code]....
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Nov 22, 2011
I wanted to have one choice enabled to the user(radio box) in two Groupboxes, is that possible? Is looping the why i should do it?
Public Class Form1
Inherits System.Windows.Forms.Form
Dim version As String
[code]....
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Feb 25, 2009
I need to display a listbox, but i want to select only one item using radiobuttons. I was looking for info about checkedlistbox, and found some routines that deleselect one item if i check another, but i think is wrong the use of checkboxes (designed to multiple selections) to select one value. Radiobuttons are more suitable for this task, but i dont know how to put the radiobuttons inside a listbox (items are variable, i retrieve that list of items from a database, and populate in run-time).
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