Checked List Box - Delayed Check?
May 11, 2009
I'm having a hard time figuring out why this is happening. When I check an item in the listbox it calls the sub ItemCheck for the listbox accordingly:
Code:
Private Sub chklbToDo_ItemCheck(ByVal sender As Object, ByVal e As System.Windows.Forms.ItemCheckEventArgs) Handles chklbToDo.ItemCheck
Dim iLoop As Integer
Dim iCheck As Boolean
[code]....
I've had to work with the delay of the check by reversing the boolean value caused by the check. But when I worked it into the program to delete the item that is checked, it deletes the selected/(un)checked item and THEN checks the item with the index. So in other words, if a user selects and checks an item in the listbox, and chooses to delete the item, it deletes the item and then checks the item that replaces it in the index (the following item).I don't understand why the checked value doesn't appear until after the sub ends.
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Apr 5, 2010
How can I get all the selected values from a check list box? I tried using the name of the check list box (clbLike) but it only returns the first value checked. How can I return all values checked?
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May 14, 2012
I have a checkbox list which is filled with entries from my database on page load. I need to update an entry in my database when a item is checked and when an item is unchecked. Right now I am doing the following:
<asp:CheckBoxList id="check1" AutoPostBack="True" TextAlign="Right" OnSelectedIndexChanged="Check" runat="server">
</asp:CheckBoxList>
And the function:
Sub Check(ByVal sender As Object, ByVal e As EventArgs)
Dim sql As String
If check1.SelectedItem.Selected = True Then[code]....
The error is: "Object reference not set to an instance of an object." Is there a better way to check if a list item is checked or unchecked?
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Sep 12, 2011
ok so the data grid view idea was rejected.
what im working on now is a
checkedlistbox and a listbox
the data on the checkedlistbox are coming from the database
(how do i get the mat_id but just display mat_name only?)
[Code]...
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Sep 22, 2011
my form contains a checked list box [data coming from the database] a combo box [bind to a database table product] and a listview [was previously a listbox]
[Code]...
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Aug 21, 2009
Why is this code having the opposite effect? If It's checked in the checkedlistbox it's not check in my view, if it's not check in my checkedlistbox it is checked in the grid.
EDIT: More specifically. The CheckState.Checked is always the opposite. .Checked means it's not checked.
Private Sub CheckedListBox1_ItemCheck(ByVal sender As Object, ByVal e As System.Windows.Forms.ItemCheckEventArgs) Handles CheckedListBox1.ItemCheck
Try
[Code]....
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Mar 16, 2011
This program is supposed to allow the user to check items in a checked list box. If the item is checked, it goes into the Completed List Box on the right. The program then adds the unchecked items to the Pending list box on the left. I keep getting placement values (e.g. O,1,2) instead of the strings (e.g. "Key Returned") in the list box results (see photo attached)
Public Class frmCheckOut
Dim i As Integer
Dim cleaning As String = "Cleaning Inspection"
Dim damage As String = "Damage Repaired"
[code].....
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Oct 3, 2010
I have a datagridview with a checkbox column.i want to check whether checkbox is checked or not.If the checkbox is selected it should output as "True" in messagebox and if checkbox is not selected it should giving me a message "False".
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Feb 9, 2005
Bind a CheckBoxList Control to a database where it will select 13 things out..I want the easiest way to check which checkboxes are checked and which aren't and add to my database of features the boolean options 1/0 if they are checked or not.
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Aug 11, 2010
I have group of radio buttons, each group ranges from 5 - 27 radiobuttons. And if any radio button in a group is checked I store 1 in db else I store 0. Now I'm checking each radiobutton using if loop to see if they are checked and set database value. I'm also trying to use the code below. Is there a good/better approach to check if they are checked or not?
Current code:
'rname is radiobutton prefix for a given group
'cnt is number of radiobuttons in the group
Private Function RadioIsChecked(ByVal rname As String, ByVal cnt As Integer) As Integer[code]....
Note: I cannot use radio button list. I know this can be achieved easily using this but i want to get solution for radiobutton
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May 19, 2009
I have a chechlistbox and i have 10 items. and items are checks randomly.
i want to determine which items in checklistbox is check.
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Jun 10, 2010
on my form I would like it to remember the checked checkboxes when it closes.
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Feb 24, 2011
I have about four columns inside my listview.I also have checkboxs that are located to the left of the listview. A checkbox is added to first column but how would I check if the checkbox is checked?
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Jan 16, 2011
I'm trying to see what checkbox is selected is checked
With this code.
[code]...
Unable to cast object of type 'System.String' to type 'System.Windows.Forms.CheckBox'.
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Oct 31, 2010
How can I check if there is at least one checkbox checked?
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May 6, 2011
I have a groupbox with two radio buttons on it, is there a way to check if any of the radio button is checked without having to go to individual radio control but from the Groupbox control.
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Jul 14, 2010
I want to make a check box change color when it is checked. In looking for answers it appears there used to be a fill color option in the properties, now in there is just back color and fore color. I am using VB 2008 Express.
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Jun 13, 2009
I'm wondering why my code keeps coming back with an error here it is:
[code]...
For Each lstItem As CheckBoxList In lstFruit.Items 'I'm getting an InvalidCastException here Saying cannot cast from infinity loop for check box If CBool (lstItem.SelectedValue) = True Then This is the number counter
[code]...
I've been working on this for a few days and I'm trying to put a counter for the items in the check box lixt that are checked; so that the label shows the number.
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Dec 30, 2010
How can i check if only the checkbox is checked without having the user select the node.
This code works, but the user has to check the itm first
If TreeView1.SelectedNode.Checked = True Then
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Oct 30, 2010
What i have created is a simple Indoor sports court allocation system for badminton. What i have created is 1) a Checked List box with names and checkboxes beside them - lets use one court for an example The court is represented by a richTextbox with three buttons underneath. button1 says (next Two) Button2 Says (next Four) and Button3 says Game Over. What i want to happen is when i click on button 1 it selects the checked names (two names - for next two) and removes them from the checkedboxlist and inserts them into the richtextbox when i click game over once they have finished it inserts the names back into the checkedlistbox with the other names. if i click button two (next four) i want it to do the same except it removes four from the checkedlisstbox and inserts them into the richtextlistbox and again when i click game overi want it to remove the entries and insert them back into the checkedlistbox list.Lastly once i click next four or next two i want to enable some progress indicators to time while the people are playing and when i click game over for the timer to reset to zero..
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Jun 22, 2009
It's been a while since I've used VB and I cant seem to remember how to clear/reset a checked list box. I can clear a check box and list box, but not the checked list box. While we're on the subject... what's the proper prefix for a checked list box? I've just been using clbListBox but I dont think that's correct.
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Apr 25, 2011
I have a treeview with nodes being represented as checkbox.
All works fine i.e when a parent nod is checked, its child and sub child should be checked as well but it won't check only the first subchilds and i am not able to find the solution, i have debugged it many time, but still not able to figure the solution.
I tried finding the solution on the web, but didn't got the proper solution. Below is the code which i am using in my form.
Private Sub trvModule_AfterCheck(ByVal sender As Object, ByVal e As System.Windows.Forms.TreeViewEventArgs) Handles trvModule.AfterCheck, trvReports.AfterCheck, trvMasterAccess.AfterCheck
[Code]....
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Feb 21, 2012
I am in need to delay the execution of a line of code, say, by 5 seconds. But by doing System.Threading.Thread.Sleep(5000)
the whole UI hangs and I don't want that to happen. Because I want to be able to display something in a Window that a user will be able to see. Does anyone know of an alternative of achieving this?
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Nov 3, 2011
I'm having a bit of a problem with my if statement on my browser downloader checked list box at the moment.
This is happening: If the selected item is "Google Chrome" Then a textbox's text should be "Google Chrome".
I want it to be: If the checked item is "Google Chrome" Then a textbox's text should be "Google Chrome".
My current code for this is:
If boxBrowser.SelectedItem = "Google Chrome" Then
devbox.Text = "Chrome"
End If
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Mar 1, 2012
I am trying to display contents of a remote share and based on selections in a checked list box copy only the selected folders to a local folder.
I can dsiplay the folders in teh checked list box fine, also can copy a folder no problem but now I want to do it based on the selections in the list box.
[Code]...
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May 2, 2011
I have a checked list box with lots of values and i need it so that when one of the items is ticked that a different box will display a value ie 50 so for instance i think it would be along the lines of
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Sep 15, 2008
I need to Export items from a checkedListBox to an xml document. For example, if items A, B and D are checked in a checkedListBox named clb, the output should look like this:
HTML Code:
<item>A</item>
<item>B</item>
<item>D</item>
However, using the following code:
[Code]...
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Jan 24, 2012
I have created an application. In that i need to get the checked items list to be displayed in a textbox with comma (,) delimiter.
Below is the code behind the form which i have created with Label1,Textbox1 and
CheckedListBox1
Private Sub CheckedListBox1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles CheckedListBox1.Click
Dim i As Integer
[Code]....
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Sep 28, 2011
I wanted to see if I could have a list of six check boxes with names of a certain author that people have or have not read. When they are asked to check all that apply to them and then hit submit I want a label to display a message depending on the number of checks they made. So if they have 2 checks marked off then a message could say, "You do not read much of this authors books?" or 5 could say " You like this author, don't you?".
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Jul 27, 2009
I have a form containing a checkedlistbox, I want to be able to do a simple comparison between the checked status before and after to see if there has been any change. I have a copy of the "before" version of the checkedlist box and I thought I could just compare the two CheckedItems but it always thinks they are different, I could iterate through the entire checkedlistbox but I thought there would be an easier way.
[Code]
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