Reset Checkbox Checkstate Without Triggering Checkchanged Event?
Jul 6, 2009
I'm trying to reset a form after a game has been played. I used checkboxes to indicate when the user picked a particular line item to update and then flagged the checkbox as checked and disabled.Once all the checkboxes have been checked, the game is over and I want to show a dialog (msgbox) that will allow the user to start a new game or exit the app. To reset the form, I was changing all the checkstates back to unchecked (along with resetting other variables), but the checkchanged events are being triggered and I end up in a loop.Is there a way to change the checkstate without triggering the event?[code]....
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Mar 8, 2012
I am a newbie to VB and I am trying to Insert/Delete records in a MSSQL database based on if a checkbox is checked or unchecked. The checkbox is an item template in a datagrid, I can check/uncheck the checkbox but it doesn't do an insert or delete. Here is my
ASPX Page:
HTML
<asp:TemplateColumn><ItemTemplate><asp:CheckBox runat="server" ID="chkMap"
[code].....
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Jun 22, 2010
im trying to get value of a constructed checkbox.checkstate value.[code]
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Mar 16, 2011
I'm trying to read the checkbox checkstate from the listview.Here is what i got:
[code]...
The code reads ever column text perfectly but does not read the checkstate of the checkbox.Because the checkbox has no text to it.I was thinking of giving each checkbox a tag and on the click event change tag from True to False depending on checkstate. Is that a good idea or is there a faster way around this?
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Jul 2, 2010
im trying to read 20 checkbox.checkstate into an array
[Code]....
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Jan 18, 2010
What are the pros and cons of using the checkboxes checked property vs the CheckState property for databinding?
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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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Jun 11, 2011
I have a checkbox X1 that if checked it will check a column of checkboxes.What i'm trying to do is if the user unchecks at least one checkbox from the column it will uncheck checkbox X1. But I don't want it to run the event from checkbox X1 again because that will cause the whole column of checkboxes to be unchecked.
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Mar 6, 2011
I want to make something like an alarm clock. So, I want my programe to trigger a certain event at lets say, 8:00 AM and 16:00 PM.
I was thinking something with timers ticking every second and checking if the time I want is equal to the system time. But....I didn't manage to make it work. So, how do I make this work ?
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May 28, 2011
I have a TreeView object on my form, with check boxes. By the way, I'm working with vb.NET. I want it to perform a few different things with the aftercheck event:
If you check a node, check all its children
If you uncheck a node, uncheck the parent node
If you uncheck a node, uncheck all its children
The problem is when you uncheck a node, it unchecks its parent node, which triggers the event again and unchecks all its children.
Would there be a way to prevent the event from triggering a second time? Or will I have to give up on one of those two points?
Here's the code, if it helps any:
If e.Node.Level > 0 Then
If e.Node.Checked = False Then
If e.Node.Parent.Checked = True Then
[code]....
While I'm at it, is there a way to check if a folder is accessible? I've toyed with FileAttributes, but can't seem to find out how to make it work...
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Mar 31, 2012
I need a simple system that allows one process to check if another process is running (I think I can do that fine using Process.getProcessByName or similar) and then trigger an event in that process assuming it is.When I say trigger an event I do not mean that literally. I simply need to trigger a sub in the first process from the second.I know that IPC like this would normally be done with pipes or remoting or something like that but I have no experience with these and am looking for a quick solution, so unless these can be used relatively easily to solve this I am looking for an alternative.
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Jun 13, 2012
Below is the code that I am using to reset the CheckBox value in a column within my DGV. My problem is that if the checkbox is already checked and the user tries to uncheck it...it won't actually be removed until the user clicks somewhere else in the DGV or checks another box.[code]...
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Jun 26, 2012
I'm converting an old VB form to .NET, and there a few Buttons which each have a corresponding ComboBox hiding behind them. The previous behavior was that you'd click the Button, and that would trigger the ComboBox behind it, which would then drop down a selection list. I believe the idea was to have a static color and text label (which cannot be a selectable option in the drop-down list), with the functionality of a ComboBox.
Now, in VB.NET, clicking on the Button (which is directly over the ComboBox in the form) won't trigger the ComboBox dropdown anymore. However, if I make the ComboBox visible enough to click on, it will trigger the ComboBox.TextChanged event, and show the drop-down (they're set to the DropDownList style). I've set the event handler to handle both that event and the Button event. I've tried Button.MouseDown, Button.MouseClick, and Button.Click -- none of which have worked.
I did find the SplitButton control option suggested here, which would probably do the job, but I don't want to have to integrate a non-native control for just 3 buttons. I don't really want to mess with the control template, either
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Nov 25, 2008
Using VB 2008 Express I have a form in which a number of controls which have event handlers to monitor choices the user is making. The event handlers do work as expected, but the problem I'm having shows up when I load the form.For example, I have:
Code:
Private Sub RadioButton6_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles RadioButton6.CheckedChanged
MsgBox("I got checked!", MsgBoxStyle.Critical)
End Sub
When I load the form in question from the main form of the program, I get the message box, even though the user hasn't actually clicked the radio box. The problem arises when I try to use a call to a function that works fine, as long as the entire form has loaded. Called prematurely, the function fails.How do I solve this so these event handlers don't trigger when the form is being loaded?
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Nov 6, 2011
Any sample code that will cause the logic coded in the clicked event of a Button to be executed, in Powerbuilder I would code it as
Button,triggerevent(Clicked!)
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Dec 27, 2009
I'm using a Datagridview my task is when the key F5 press using Keydown event executing some code
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Nov 1, 2011
I'm having a strange problem with the OnClick event. In an ArcGIS application using VB.Net, I have a button set up with the following
AddItem("CommandAnalyseResults")
The following module segment contains the OnClick event: Public NotInheritable Class CommandAnalyseResults
Inherits BaseTool <more code...>
Public Overrides Sub OnClick()
[Code]...
The OnClick event gets triggered no problem the first time I click on the button. However if I then close the window the button code creates and then click on the button again, the OnClick code is not triggered.
If I click on a different button then click back on the 'problem' button a 2nd time, it does seem to trigger the code!
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Dec 9, 2011
This is a spin-off post from another issue I am working on. The problem is related to triggering event handlers when the user makes an input into a combo box, you might even call this a complaint.I have a combobox with a DataSource and ValueMember and DisplayMember. There is no DataBindings to worry about at this point. The combobox is DropDownStyle = DropDown and I havealso enabled AutoCompleteSource = ListSource and AutoCompleteMode = SuggestAppend.The datasource contains a list of Countires, and when the user types in an entry or chooses an entry from the combobox, I should be able to detect what the user has selected ortyped immediatley after the selection, some would say it's the very purpose of the combo box.Which event would you choose to deterine what the user has entered or Selected? few events come to mind:
SelectedValueChanged
SelectedIndexChanged
Validating
[code].....
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Jun 13, 2011
Basically I am looking for if I click on my checkbox, it should reset my datagrid column lastseqno to 0. Is it possible?
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Sep 7, 2009
I've got a textbox with a mousehover event and that event will only happen once and then I have to move my mouse out of the text box before it'll happen again. Is there a way to reset the mousehover event 'trigger' so that it happens as many times as I want?
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Jan 9, 2011
VB2010, MySql I have a dataview generated from a datatable using a rowfilter.I have event handlers listening to the dataview.listchanged event. To keep the datatable (in memory) in sync with the mysql database (on a remote server), i issue datadapter.fill commands every now and then, the objective being that only the changed rows in the datatable (as a result of the fill) would generate a listchanged event on the dataview.To my surprise the dataview_listchanged event fires after refresh by the dataadapter.fill method, however the ListChangedType it gives is: ListChangedType = reset. I would have expected a ListChangedType.ItemChanged for every changed datarow.Since the dataview is used to populate a large storage yard, i am now forced to repopulate the whole storage yard, which is a time consuming business.Is there a way to only generate DataView.ListChanged events for rows in the datatable that are actually changed by the datadapter.fill method?
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Mar 1, 2010
I have a CheckedListBox populated with specific records from an Sql table . I want to update each record in the table, only if the checkbox checkedState = True, so far I can update all or none. This unworkable code will hopefully give an idea of what I need to do.
[Code]....
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Jun 27, 2009
Can you temporarily disable a radio buttons CheckChanged Sub? I have a set of radio buttons in a groupbox and when the user selects one, I need to check if it's a valid selection. If not, I need to reset it to the previous button that was pressed. Below is an example of my
Private Sub rbGame_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles rbGame.CheckedChanged
t_indextype = m_indextype
m_indextype = "1"
[CODE]..................
In the above example, ResetButtons() changes the checked value of the radiio button selected to false and changes the checked value of the previous radio button to true. The problem is that when radio button rbGame gets changed, it causes the CheckChanged sub above to run again from the top. Is there a way to temporarily disable it from running while I make my changes and then re-enable it?
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Jun 4, 2011
I got on my form textboxes, checboxes but also a groupbox which holds texboxes.
The idea is to be able to clear and reset all of these by clicking a reset button.
At the moment i got this
Private Sub ClearFields()
Dim ctrl As Control
[Code].....
But ofc Me.controls isn't gonna get involved with the stuff in the groupbox.
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May 29, 2009
Ok, so I am building my own program to control a video player I have through telnet, I have everything else working except one thing.I have a reset button to reset the player, when I press it, it sends the string "Reset" and the unit resets without a problem.But when I add a code to close the winsock connection upon reset, it doesn't send the string to the unit. I am sure what is happening is the winsock is getting closed at the exact same time it is trying to send the string and so it fails to send, how do I make it close winsock AFTER the string has been sent? [code]
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Nov 9, 2010
how to auto disable asp.net checkbox1 on page_load event ?
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Mar 9, 2011
my Question is that if i ./ tick the Checkbox in datagridview the datagridview Column (4) value show in textbox if user click multiple tick in datagridview , the datagridview column(4) value add in textbox
For a = 0 To DataGridView1.Rows.Count - 1
If DataGridView1.Rows(a).Cells("checkbox").Value = True Then
TextBox8.Text += DataGridView1.Rows(a).Cells(4).Value
End If
Next
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Feb 11, 2011
Im trying to display a value in a textbox when a checkbox is checked. My amount displays but not until I hit the calculate button, and I need it to display as soon as it is checked.
Option Explicit On
Option Strict On
Option Infer Off
[code].....
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Jul 2, 2009
how do i make an event for only one checkbox in the checked list box ie there are 3 items
item A
item B < this one needs to have the event...
item C
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Mar 1, 2012
I am using a column with check box to be able to select my data row from a GridView. But The OnCheckChanged event won't fire. I have tried reading articles to make it work and copy code exactly and it just won't fire. I am using vb.net and asp.net
<asp:GridView ID="locationDetailGrid" runat="server">
<Columns>
<asp:TemplateField>
[code]....
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