Event Detect Change Of Listview Item Count?

Jun 22, 2010

Is there a event detect change of Listview item count? Like it will be trigger whenever i add an item or delete an item form listview. I search on MSDN Listview Event member, but cant c any usefull.

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Bound ListBox Item Count Changed Event

Feb 22, 2011

I'm using a textbox to supply a filter for the datasouce which is bound to a listbox. It works (mostly) with a few exceptions, one being i was to restrict the height of the listbox to the number of entries (upto a maximum number), so a bit like a combobox (which in effect is what I'm writing). One of the problems is when the number of entries changes there does not seem to be an event raised, although the OnDrawItem is called for the items to be displayed (the displayed ones!) Is there anyway to find out (in a derived listbox) when the number of entries has changed in the datasource?

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VS 2008 Event To Detect Changes In Items Collection In Listview

Jan 16, 2010

I'm trying to create an inherited version of the ListView control that (among other things) should have a different background image if the listview is empty to if it has items.Obviously you can easily enough test the count of the collection, but I need to be able to react to the event, however there doesn't appear to be any event related to adding/removing items.

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Know The Event Name For A Listview That Happens Every Time An Item Is Added

Jun 9, 2011

i am using vb.net 2005 and i want to know the event name for a listview that happens every time an item is added.

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Use Vb To Add Item And Change Value Of Second Column Of Listview In Wpf?

Oct 2, 2011

This is the xaml of listview

<ListView Grid.Column="1" Height="auto" Name="ListView1" Width="auto" AllowDrop ="True" >
<ListView.View>
<GridView >

[code]....

And How to get the value at second column?

I have tried this code, but it just return the second character of first column, I can't find any ways to access the second column

ListView1.Items(0)(1)

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Listview Item Removal Based On Check Event?

May 13, 2010

I am creating a program in which there is a listview control with many items contained in it. It also has checkboxes for each of them. I am trying to get it so that when you check the checkbox next to an item, it removes the item from the list. I am using this code:

Private Sub ListView1_ItemCheck(ByVal sender As System.Object, ByVal e As System.Windows.Forms.ItemCheckEventArgs) Handles ListView1.ItemCheck
ListView1.Items.RemoveAt(e.Index)
End Sub

When I run this however, and check an item, it gives me this error (I am checking the first item in the listview, which would mean the index is 0): InvalidArgument=Value of '0' is not valid for 'index'. Parameter name: index

I've have been testing this code out for both the listview events ItemCheck and ItemChecked. How is 0 out of the index range? Wouldn't it be the first item in the listview, in which case it should remove the item.

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Change Listview Text When Item Is Cloned?

Jun 4, 2012

I have two listviews the first one has all my items in it, the second one is for when I click a button and clone an item from listview1 and add it to listview2. Here is the code I am using for cloning.[code]...

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Change The Backcolor Of Selected Item In ListView?

Feb 27, 2009

I've turned the web upside down looking for a way to do this.The only thing I found(although I couldn't get it to work) was the example from the documentation, and it's more code than there is in my program to begin with.

There has to be a simply method of changing the BackColor of the selected item in the ListView details view.I know it's selected when you click on it, and you can press the up/down arrow keys and it'll scroll through the items.

I just want to change the backcolor from the default dark blue to something else, with a line or two of code.

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VS 2010 Change Color Of ListView Item?

Jun 13, 2011

I am trying to either change the text or preferably the background color of a listview item if it is checked and a button is pressed.

I looked at a few older ways of doing it but it doesn't work anymore

I'm not really sure about how to do this.

[Code]...

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Change The Highlight Color Of A Selected Item In Listview?

Aug 31, 2010

is there any way to change the highlight color of a selected item in listview?.The items in the listview are colored(red, green,blue....) when i select one or more i cant see which color it has, because of the blue highlight color of the selection, is there a way to change this blue highlight color to a different color or just make it transparent?

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C# - ListView ItemActivate Delay Between When The User Clicks The Item And The Event Fires

May 12, 2009

I have a ListView with the Activation property with HotTracking. There appears to be about a 2 second delay between when the user clicks the item and the event fires. Is there a way to get the event to fire immediately upon the user click?

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Change The Listview Control Selected Item Background Color?

Nov 7, 2010

How can I change the listview control selected item background color?

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How To Add Event Handler For Property Change Of List Item

Apr 5, 2011

I have a class called solution. This class has a property named cost. I also have a class called solutionList that inherits List(Of Solution). I have an instance of the solutionList class in another class called solutionGroup. Within the solutionGroup class I have a property called totalCost that sums the solution.cost property for all solutions in the solutionList.

But, I need a way to know when the cost has changed so that I can recalculate the solutionGroup.totalCost. I've added events to the methods that add or remove solutions from the list but I need a way to know if someone does something like
SolutionList.Item(0).cost = 100.
How to raise an event when the cost property of a solution that is in the solutionList is changed but with no luck.

Here is my solutionList class:
Public Class solutionList
Inherits List(Of Solution)
Friend Event listChanged(ByVal sender As Object, ByVal e As EventArgs)
Public Sub New()
End Sub
[Code] .....

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ContextMenu Item Clicked Event - Change Lbl Color / Text

Feb 28, 2011

How do I program Contextmenustrip item_clicked event in this statement below. I would like when clicked on an item in menustrip the lbl color and lbl text to change

For
Each r
As DataGridViewRow
In Booking.D1.Rows
Dim cm
As
New ContextMenuStrip
[Code] .....

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Detect If Press Enter In The Textbox Change Event And Not In Textbox Keypress?

Dec 13, 2011

how can I detect if press Enter in the Textbox Change event and not in Textbox Keypress?

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.net - Use Jquery To Do A Gridview.row.count And Change A Labels Text To The Row Count?

Feb 18, 2011

Basically, Is it possible to get a grids row count using jquery.if my grid has 20 rows in it not including the header or footer, i want to now the count of actual rows, this will tell my users how many tasks they have in their list.

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Asp.net - Change The Text Of Linkbutton Inside Datalist Item Template Field On Linkbutton Click Event?

Feb 17, 2011

I have a linkbutton inside datalist1 item template field, i want when user click on linkbutton then its text would be "enable" and if the linkbutton text is "enable" and panel1 will be visible then again on linkbutton click event linkbutton text would be "disable"and panel1 will be hidden...

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Edit Item Or Subitem Values Of A Selected Listview Item?

May 19, 2009

Ok, so I have a listview on one form, and when a button is pressed it opens up a new form with the contents of the selected listview item and it's subitems in a series of textboxes. The user can then change the data in the textboxes and either press save to make the changes or cancel to close the window. What command would I use to change the selected listview item and subitems to whatever is in the boxes?

this is the code that populates the boxes:

Private Sub Form_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim appeditcontents As String = main.passlist.SelectedItems(0).ToString

[Code]....

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Removing Listbox Item From Checked Listview Item?

Jan 12, 2012

removing 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]...

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DoDragDrop List View Item Reordering - User Can Drag Media Tracks From One Listview To Another Listview

Feb 12, 2010

I have a media browser program I am building. I am trying to use drag/drop so a user can drag media tracks from one listview to another listview and then use the second list view as a playlist in windows media player com object. Reading at MSDN I have found out that there is no built in support for item re-ordering with the listview control. I have listview1 working correctly but when I try to reorder items in listview2, the dragged item ends up at the end of the list. So basically I need to get the item insertion index corrected. I have tried more than 10 times to get this code right.

Here is my code which includes a form with two listview's.

Public Class Form1

Private Sub ListView_ItemDrag(ByVal sender As Object, ByVal e As _
System.Windows.Forms.ItemDragEventArgs) Handles ListView1.ItemDrag, _
ListView2.ItemDrag

[CODE]...

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VS 2008 ListView Index - Find Out What Item Has Been Selected In A ListView?

Mar 21, 2010

Do I really have to go through all this just to find out what item has been selected in a ListView?

[Code]...

Isn't there something fundamental like this? Is absolutely everything in VB.NET buried beneath a colossal heap of bureaucracy?

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Click Event Procedure Should Display The Color Of The Item Whose Item Number Is Entered

Dec 13, 2009

the disply color buttons click even procedure shold display the color of the item whose item number is entered. all item numbers contail eactly five characters(12b12). my problem is i can not get it to disply a color in the lblcolor control. it displays the item number.

[Code]...

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Format Listview : Head Of Listview Textalign = Center And Item Of Listview Textalign = Right?

Mar 12, 2009

i want to format listview head of listview textalign = center and item of listview textalign = right

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[2005] Change Cell Backcolor If Datagridview1.item.value = Datagridview2.item.value?

Feb 25, 2009

i want to make program like this:

if DataGridView1.item(SID).value = DataGridView2.item(SID).value then
color=green
else
color=red

i want all item list in DataGridView2.item(SID).value will be checked.

this is my

Private Sub PSCDataGridView_CellFormatting(ByVal sender As Object, ByVal e As System.Windows.Forms.DataGridViewCellFormattingEventArgs) Handles PSCDataGridView.CellFormatting
Dim myBL As String

[code]....

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Check Combobox Item Then Change Labels To Item Selected

Oct 31, 2009

Just 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].....

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Count Occurences Of An Item In An ArrayList?

Jan 19, 2010

After executing a query with LINQ to SQL, the result I have is an arraylist (.ToList) of items with ID numbers. The number of items and their occurences will vary with each query. would simply like to count the occurences of each specific ID in the list. How do I do that?? The only count function I know of (.count() ) is for a count on the entire list. I've also I've been reading on how to loop through the list items but I don't understand how I can do that if I don't know how many specific ID's there will be from each query

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Count Occurrences Of An Item In An ArrayList?

Sep 7, 2010

After executing a query with LINQ to SQL, the result I have is an arraylist (.ToList) of items with ID numbers. The number of items and their occurences will vary with each query. I would simply like to count the occurences of each specific ID in the list.

How do I do that??

The only count function I know of (.count() ) is for a count on the entire list. I've also I've been reading on how to loop through the list items but I don't understand how I can do that if I don't know how many specific ID's there will be from each query result.

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Find The Count Of The 3 Item In Each String?

Jul 7, 2011

I have a List (Of String()). I wish to find the count of the 3 item in each string array in the list. Is there an easy way to find it using linq?

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Add Listview Row Count To Label?

Nov 4, 2011

I was wondering how you could have a label keep the number count on the number of rows on a listview?

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How Can Count Items In Listview

Jan 15, 2012

How can I count the number of items in the listview.

Example scenario.
Today, I added students say, 20 students and tomorrow I added another 15 students, i need to have a breakdown on how many students i have been adding per day.

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