Check Which Item Is Checked In Checklistbox?
May 19, 2009I 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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Asp.net - Check If A Checkbox List Item Is Checked/unchecked?
May 14, 2012I 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?
Put Items Checked In CheckListBox Into TextBox?
Jul 24, 2010I've searched the forums and have only found similar things for ASP but not this exact function in VB.
I've got a checklistbox in my program which has 8 choices. I'd like to append the selected indices (the text not the index number) to a textbox on my form. How would I do this?
Disabling Item In Checklistbox?
Sep 13, 2010Busy with a checklistbox we want to know how to disble an item.
View 4 RepliesChecklistbox.RemoveAt Unchecks Next Item In Listbox?
Oct 28, 2011Heres some test code I used. Just a checklistbox on the form with this code-behind:
Dim list As New List(Of String)
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
For i = 0 To 10
list.Add("Test " + i.ToString)
[code].....
I use a list to keep track of the items in the listbox, so if I remove one of those items from the listbox I want to also remove it from the list using the same index.If you use this code and load the form and then check all the items, youll notice that when you uncheck one it will remove the item and THEN also uncheck the next item...why is that?
Check Items In CheckListBox In .net Using For Loop?
Aug 15, 2011My application is in VS2008 coded in vb.net.I have a form with a datagridview which loads data from databaase.there is one column where data is stored separated by comma's.Like Name,Surname,LastName name this column as Testing.I have a checklistbox on another of my form.When the user selects a particular row from datagridview another form open and the row selected records are populated in the control of my other form.My issue is i want to check those items of my checkbox that are present in my Testing Column.I have used and array im able to fetch the records just im not able to check the items in my checklistbox that are present in the column
Below is my code
chkList is my checklistbox controls
FORM1 is my form that has datagridview
Below is the code of my second form that has checklistbox
Dim classesChecked As String() = FORM1.DATAGRIDVIEW.Item(10,FORM1.DATAGRIDVIEW.CurrentCell.RowIndex).Value.ToString.Split(",")
For i As Integer = 0 To classesChecked.Length - 1
Next
how can i check the items of my checklistbox.
VS 2008 Finding The Index Of An Item In A Bound Checklistbox?
Nov 19, 2010I have a checkedlistbox to which a dataview is set as its datasourceI also have a string array that contains valuemembers which need to be matched to the items in the checkedlistbox, of which if complying the checked state needs to be se
View 3 RepliesListview Checked Item - Get The ID Of The Person Whose Box Is Checked With Sub
Apr 30, 2011In a listview with check boxes, there are two fields being loaded, ID and Lastname. With this information I want to get the ID of the person whose box is checked with this sub:
[Code]....
Check Or Uncheck All Items In A Checklistbox With A Short Command?
Aug 24, 2011Is it possible to check or uncheck all items in a checklistbox with a short command?
or is it needed to set up a for..next loop with some command or other inside the loop?
Forms :: How To Check Specific Items In CheckListBox At Load
Jun 18, 2009I have multiple items in a checklistbox. In the page load, I'm trying to check specific items in the list (2,4,8)
I've tried cbl1.items.Item(2).checked, and different combinations of this and I can't get anything to work.
Removing Listbox Item From Checked Listview Item?
Jan 12, 2012removing Listbox item from checked Listview item.The code I tried just errors out.
Private Sub ListView1_ItemCheck(sender As Object, e As System.Windows.Forms.ItemCheckEventArgs) Handles ListView1.ItemCheck
If (e.CurrentValue = CheckState.Unchecked) Then
ListBox1.Items.Add(Me.ListView1.Items(e.Index).Text)
ElseIf (e.CurrentValue = CheckState.Checked) Then
[Code]...
VS 2005 Check Grid Items If Checked ListBox Items Checked?
Aug 21, 2009Why 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]....
For Each Checked Item In Listview?
Jun 16, 2011This is probably easy as well. But I have this listview which contains exe files I've listed up. Now, I want to execute these exe files in turn from which items are checked or not. So, I've tried this:
For each item in listView1.CheckedItems
Msgbox item.ToString
Next
Cause I noticed that the item in checkedItems doesn't contain much. And if I convert it to a string, it ends up in the msgbox looking like this: ListViewItem: {Filename.exe}
Getting Checked Value For Each Item In CheckBoxList
Oct 26, 2011I have a list of options on my site that a user can select. What I want to do is provide functionality to limit the amount of content the user gets based on his selection in a CheckBoxList. Once he's selected what he wants, he'll click Save and his selection will be written to the database. The CheckBoxList is initially populated from the Modules table. This provides a list of modules that the user can select. When he clicks Save, the code needs to loop through this CheckBoxList and "pick out" the values for the CheckBoxes that were checked, disregarding the ones that weren't. The problem is that whether a CheckBox is checked or not, the debugger returns a False value for the CheckBoxList.Items(i).Selected property.
Here's my code:
Private Sub AddUpdateOrg(ByVal OrganizationName As String,
ByVal Action As String, Optional
ByVal Target As Integer = Nothing)
[Code] .....
Its possible that this behavior is the result of a postback from the save button. Upon further examination of the code, I've reconsidered the possibility that this issue is caused by a postback as the CheckBoxList is not bound on page load.
Only One Item Checked In CheckedListBox
May 10, 2010Given a CheckedListBox instance, how can I accomplish that a maximum of one item can remained checked?
View 3 RepliesOnly One Item Checked In CheckedListBox?
Jan 7, 2010Given a CheckedListBox instance, how can I accomplish that a maximum of one item can remained checked?
View 1 RepliesVS 2008 Feed A Multi Line Textbox Into A String Array Then Check Item By Item
Jul 25, 2010I've been trying to feed a multi line textbox into a string array then check item by item if a string contains part of it.
[Code]...
VS 2008 Get The Checked Item Value In Ilstview
Sep 15, 2009I use the code below to get the checked item value in my ilstview, i also need the subitem values (there are 2) i can't seem to figure out how.
[Code]....
VS 2010 ContextMenuStrip Item Checked?
Dec 24, 2011I have a form with a ContextMenuStrip Added and a Listview. I set the 'ContextMenuStrip' property on the listview to my newly created ContextMenu.
So, I am creating the Menu items from a database (no problems here). But I cant seem the get certain menu items to a checked status when creating the menu item from the database.
The Code below is a sample of what I am using.
Public Sub LoadMenu(_Menu As ContextMenuStrip)
Dim n As Long = 0
Try
[code]....
Check Combobox Item Then Change Labels To Item Selected
Oct 31, 2009Just started on vb.net
I have a combo box with "yes" and "no" with i select Yes i want the label2 to change the text to "yes" likewise with "no"
I've tried to code it in a logical way as possible but it just doesn't works except for the "wtf" so i think that overall my code is correct but the way i want to retrieve the selected item from combo box is wrong.
Public Class Form1
Dim aa As String
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As
[Code].....
Checked List Box With Data Value Property For Each Item?
Apr 12, 2011Does anyone know of a control such as a Checked List Box where each item can have a value against it.For example you have a list of fruits and in the listbox it displays Apple, Orange & Banana but the values for those items are A, O & B.
View 3 RepliesCheckedListBox.CheckedItemCollection Not Collecting Every Checked Item
Jan 30, 2011With my CheckedListBox, I am trying to get the text of each item that is checked and add it to a listbox, but it does not get everything currently checked. If I have 3 items checked, it only adds 2 items. If I deselect an item, it appears.
lstOpCodes.Items.Clear()
Dim OpCodeCollection As CheckedListBox.CheckedItemCollection
OpCodeCollection = chkOpCodes.CheckedItems
For Each opcode In OpCodeCollection
lstOpCodes.Items.Add(opcode)
Next opcode
Execute Some Code Only When An Item Is Checked Or Unchecked?
Jan 8, 2011The 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.
How To Adding Checked Item From Checkedlistbox To Combobox
Dec 24, 2011I want to adding checked item from checkedlistbox to my combobox, but i have a little problem here.Combobox only show 1 item last checked.This is my sample code.
If CheckedListBox1.CheckedItems.Count <> 0 Then
For i As Integer = 0 To CheckedListBox1.CheckedItems.Count - 1
cbCheckedItem.Text = CheckedListBox1.CheckedItems(i).ToString
Next i
End If
VS 2008 If Item Is Checked Then Uncheck All Other Listview?
Mar 7, 2011I remember doing this in a checkboxlist element, but with listview element its giving a hard time.
Private Sub CheckedListBox1_ItemCheck(ByVal sender As Object, _
ByVal e As ItemCheckEventArgs) Handles ListView1.ItemCheck
If e.NewValue = CheckState.Checked Then
For index = 0 To Me.ListView1.Items.Count - 1
[Code]...
Which Item Was Checked, When Putting The Sender Into A Message Box?
Nov 18, 2010I have a list of items in a ListView and at the top of the list there is an item that is supposed to select all the items in the ListView. I can get it to select all of the items when it's checked but then I can't deselect any other items. I need the to know which item was checked, when putting the sender into a message box I get "System.Windows.Forms.ListView, Items.Count: 1, Items[0]: ListViewItem: {All}". How do I get the sender's item?
View 6 RepliesCheck Whether Checkbox Is Checked Or Not?
Oct 3, 2010I 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".
View 3 RepliesWay To Check Which Checkboxes Are Checked
Feb 9, 2005Bind 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.
View 2 RepliesVS 2008 - Set A CheckedListBox Item To Be Disabled Programmatically So That It Can't Be Checked?
Nov 17, 20091) Can I set a CheckedListBox item to be disabled programatically so that it cant be checked?
2) Why doesn't the SelectedIndexChanged event fire when I check or uncheck an item programatically? But it does if I do it manually...
VS 2010 Correctly Obtain Valuemember Of Every Checked Item?
Jan 10, 2012[code] The problem is that AffiliazioneID = chkFonti.CheckedItems(i).ValueMember it's wrong.How can I correctly obtain the valuemember of every checked item?
View 4 Replies