Setting Checkboxes To An Unchecked State?
May 30, 2011
I am using VB Stuido 2008, Net Framework 3.5.I have one Checkbox to Identify the record as Inactive if checked. When I load the form the checkbox is alway unchecked, which is what i want. However, when I go to add a new record the checkbox, not the text for the checkbox is always shaded green, not a checkmark. The checkbox then reacts as if it is checked. This makes it necessary to uncheck the checkbox or else all my record react as if checked.
in the table defintions I have set the default binding value to ((o)) which = unchecked. Iafter setting the default value to ((0)) I deleted the checkbox from my form and then replaced. Not I still get the checkbox shaded which reacts as if Checked.
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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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Mar 14, 2009
In Vb.net 2005 how can i trap the checked/unchecked state of a datetimepicker through an event. I'm trying to execute two different methods based on the checked/unchecked state of a datetimepicker when the user clicks the datetimepicker. When the user checks the dtPicker Method A is executed, when the user unchecks it Method B is executed. How can i trap it.
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Jun 3, 2011
I have a Main form, called Main.vb, that is a Parent Form. I have another form called Notes.vb. Inside Main.vb I have a toolstrip with a button on it called Notes. I'm wanting to change the checked status of the Button to either True when the Notes.vb window is open inside the parent or to false when it is close. Is this possible?
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Mar 14, 2009
How can i trap the checked/unchecked state of a datetimepicker through an event. I'm trying to execute two different methods based on the checked/unchecked state of a datetimepicker when the user clicks the datetimepicker. When the user checks the dtPicker Method A is executed, when the user unchecks it Method B is executed. How can i trap it.
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Jun 24, 2012
I can create a checkbox array as follows
Code:
For n = 0 To 13
With (chkboxarray(n))
.Tag = n + 1 ' Tag of button
.Width = 35 ' Width of button
[code]....
But when I run the program the checkboxes only display 2 states (they do work as 3 states). what I am missing to display the "Indeterminate" state?
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Mar 23, 2009
This is in VB6 (may also apply to VB.net) CheckBoxes can have three states (Checked, Unchecked, Greyed).
But I'm using them to set boolean variables (MuteSound, etc.) This is definitely a value that has only two states. Unfortunately, the Checked and Unchecked don't correspond to a True/False value.
So, I can't have:
[Code]...
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May 24, 2010
Using .Net, I need to generate a response based on only the checkboxes on my form that have had there states changed. So how do I know if the check box has changed from its previous value before submission. I can't use the onchange event because the user may check multiple boxes before submitting.
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Nov 5, 2009
I have a form that has many checkboxes located on a tab control with 3 tabs each tab has checkboxes on it.I have a button that when pressed selects all the checkboxes. That does work and it does execute all that were selected. However there are no checkmarks appearing at all. This worked before! It seems like the more checkboxes I added to the form the less they properly showed f they were checked or unchecked. Now none of them show unless I close the form and reopen it then all of the boxes are checked like they should be when the select all button is pressed.
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Oct 5, 2009
I did this once before but I can't find the code where I did it. I have 4 checkboxes and I want to assign them each a value like:
[Code]....
I've searched the net and even scanned 3 different computers that may contain that source code and have not had any luck finding it.
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Dec 23, 2010
I have a problem setting the checked state of checkboxes in a listview programmatically.
Background: I have a Windows Form Application which uses CheckedListBox�s. The names/labels for each CheckBox in the list are imported for a database. Also in the database is a field which defines whether the CheckBox should be Checked or Unchecked. The program works fine.
Problem: My requirement is to add a tooltip to each item in the list of checkboxes. I have read that the best/easiest way to do this is to use a ListView instead of the CheckedListBox. I have setup a ListView with CheckBoxes = True and View = Details. I have populated the ListView with the items from my database. The ListView now looks exactly like the CheckedListBox and the tooltips work fine.
My problem is that I can�t seem to find a way of setting the CheckBox�s to Checked programmatically. Is there a way to do this, or is there a better way of achieving what I am trying to do?
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Oct 4, 2010
Basically for a while now if i wanted to set a chks setting i would do this..
[Code]...
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Jan 3, 2010
I want to maximize my mdi child automatically by setting WindowState to Maximize. But it looks like this.. why is this happening? but if I restore it and maximize it again its body now occupies the mdiparent space. To aim is not enough. You must hit.
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Oct 29, 2011
I have a checkbox on my form chkActive, I want to deal with it in 3 cases. [Code] I don't have a problem with building the query, my problem is with clicking on the checkbox by clicking on the checkbox by mouse, I can only get Checked and Unchecked, I tried to use the right mouse button click, it did not fired (or I did not test deep enough) I know I can put a button to change the checkbox value to Indeterminate but that will be ugly. I can replace checkbox with combo, which is what i am thinking of doing but I just wonder: Cannot I set the checkbox state to Indeterminate by mouse any how?
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May 30, 2010
Ive got over than 120 groupboxes in my project which Contains radio buttons & Checkboxes control How can I save & retrieve the selection setting for these huge amounts of groupboxes when close my form and restart it?
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Mar 8, 2010
I have a project where I want to have checked arithmetic by default, except for one performance sensitive spot. Unfortunately, VB.Net doesn't have an 'unchecked' block.Ideally the framework would have some sort of integer type with explicitly unchecked arithmetic, but I didn't find anything like that. I did find that expression trees have binary expressions for unchecked operations, but the delegate overhead cancels out the unchecked advantage (and then some).
Currently I'm converting the inputs to UInt64/Int64 before doing the arithmetic, then converting back (with a bitwise And to ensure in-range). It's about 50% slower than unchecked arithmetic (according to profiling).
Moving the arithmetic-sensitive part to a project with unchecked arithmetic might work, but it seems like overkill to give it an assembly all to itself.
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Aug 3, 2011
I have a Four radio button on the form. I want to make them in two groups.Now when i checked anyone the remaining three are unchecked. I want to make two radio buttons in one group and in another group two.Suppose in one group when i check one the other two in second group not unchecked. How i do it?
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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 25, 2010
I have an issue. When I check SelectAllCheckBox all checkbox column in ListView is checked. But when I unchecked one of row checkbox the SelectAllCheckBox is still checked. How to uncheck SelectAllCheckBox if one of row is unchecked? And second question is how highlight ListView rows when SlectAllCheckBox is checked?
[Code]...
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May 28, 2009
I have this code:
Code:
Private Sub CheckBox1_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles CheckBox1.CheckedChanged
If CheckState.Checked Then
AmxModXInstallDir.Enabled = False
Button1.Enabled = False
[code]....
When i check the box, it enables all controls, if i uncheck it, nothing happens.
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Mar 3, 2012
I want to create a solid checkbox that is checked by default, and is not clickable. If you click it, nothing will happen . how to do this?
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Apr 8, 2010
I have converted the following C# code to VB.NET.But I am unable to find the equivalent of C# "Unchecked" keyword in VB.NET.Below is the C# Code and following the C# Code is converted VB Code.After conversion and building the VB Code I am getting the error :"Constant expression not representable in type 'UInteger'." [code]
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Apr 28, 2011
from the code below I am trying to find out if checkBox1 is Checked or Unchecked. and then I want my settings to remember if it is checked or unchecked. so when the form is loaded I want my settings to load the last action.... ie checked or unchecked.
so if a user check's the checkbox1 then the message will not show, But if it is unchecked the the messageBox will be shown
Private Sub CheckBox1_CheckedChanged(sender As System.Object, e As System.EventArgs) Handles CheckBox1.CheckedChanged
If CheckBox1.Checked = True Then
[Code]....
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Oct 3, 2010
I have a very stubborn check box . Let me tell you its story :There is Form1 with a button leading to Form2 . On Form2 there is located that stubborn check box I was telling you about . That check box has code in its CheckedChange event and accordingly to its Checked condition , it enables or disables some text boxes .Well , the first time Form2 is shown , that check box works fine : when I check it it enambles the text boxes and when I uncheck it , it disables those text boxes .Then , I press the button to return to Form1 . If needed , the code in the button is :Form1.ShowMe.CloseMy adventure starts when I show again Form2 ... This time the check box is acting weirdly . No matter if I check it or I uncheck it , it always disables the text boxes , as if it is constantly unchecked ! I can see it changing its checked state whenever I click on it , but it always runs the code to disable the text boxes.
I even used some break points in the code and found out that indeed it is the code that disables the text boxes that is called every time , no matter if the check box is checked or unchecked .I don't thing this has anything to do with the fact that this event is called by all the 4 check boxes on the form . After all , it is always the 1st check box that causes the problem (I can see it when moving the cursor over the genericindex variable) .
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Oct 23, 2009
I am trying to decode yEnc data using the component found here:[URL]...It all converts fine, except for Line 173 of Decoder.cs which contains the c# keyword "unchecked".Without using unchecked I get an OverflowException.What is the correct way to implement this in VB?
[Code]...
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Nov 14, 2010
Possible Duplicate: I have 4 checkboxes and 1 textbox in webform if i type in textbox 1,2 then checkbox1 & 2 will be checked ! I have 4 checkboxes and 1 textbox on a web-form. If I type 1,2 in the textbox, then checkbox1 and checkbox2 will be checked. The code for this is as below. But what I want is that when I type 1,2 then checkbox1 and checkbox2 should be disabled and unchecked.
Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim separator As Char = ","c
Dim allIIDs As New List(Of Int32)
[code]....
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Jul 2, 2009
I am using the following code for a checkbox, if checked it should print the text defined, unchceked, it clears the items in the ricktextbox. My problem is it prints fine (lets say it prints two lines) as defined, when I uncheck, it clears the text in rich text box, but when I check again, the text appears in the richtext box, but displayed from 4th line. I need to restart from the beginning/ or at least from the next available line. I cant use clear() since it erase all the contents as i have another 3 checkbox items placed.
If CheckBox1.Checked Then
richtextbox.SelectionColor() = Color.Blue
richtextbox.AppendText("Urgent:")
richtextbox.AppendText(CheckBox1.Text.ToString + vbNewLine)
Else
richtextbox.Refresh()
End If
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Jan 8, 2011
The check box list has an event called "ItemChecked" or something, which triggers when an item is about to change its checked status.
So, it is before the check occurs.I couldn't find an event that occurs after the item has changed.. I want to execute some code only when an item is checked or unchecked.
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Sep 15, 2009
Im creating a menustrip which can choose to draw the shape you want, and the colour you want to fill in the shape.For the colour part, I manage to choose multiple colour options. Example : If i checked red and blue colour, the shape of the colour would be purple. But when I want to uncheck the red color or blue color, it does not work.
Public Class Form2
Private Sub ExitToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ExitToolStripMenuItem.Click
Me.Close()
End Sub
[code].....
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Jul 12, 2010
I have a datagridview with 3 checkboxes, Yes, No and InV.At runtime, I want the user when he checks one checkbox the other two are unchecked by default. Therefore, at whatever one time ONLY one checkbox will be checked.
[Code]...
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