No List Items In Listview

Oct 15, 2011

The listview didn't show any list items.

[code]...

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List View, Get Text Box To Search Listview Items

Jan 15, 2009

im trying to do is find out the command to compare itemview items with textbox, so i dont end up with 2 of the same customers when i add a new entry, if anyone could give me some advice i would be greatful just a hobby, bold line is my problem in script, need to try and replace.

Public Class Form1
Private Sub ButtonAdd_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ButtonAdd.Click

[Code]....

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VS 2008 Count How Many Items Contain A Word In A Listview Box & Remove Items?

Sep 27, 2011

i have a listview box full of items, image below:

when i click a button i would like a msgbox to pop up displaying how many are alive.

How would i do this ?

Also how would i remove all items that status is "Dead"

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Listview Items And Sub Items - Navigate To The Next Item After The Clicked One Is Over ?

Feb 27, 2011

i made a media player program and i am having many problems! the main issue is that i have a listview that displays music playlist, how can i get it to navigate to the next item after the clicked one is over that way users don't have to click on the next one to continue their playlist?

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Save ALL Of The Items In A Listview, Items That Were Added By The User?

May 3, 2009

How can I save ALL of the items in a listview, items that were added by the user? I tried application Settings and tried creating a settings file but there is not a settings option for listview items.

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Make The Listview Sort The Listview Items By Column?

Jun 22, 2010

im trying to make the listview sort the listview items by column (whichever column was clicked, sort the list based on that column)

in vb6 it was done by:
Private Sub ListView1_ColumnClick(ByVal ColumnHeader As MSComctlLib.ColumnHeader)
Static olditem&
With ListView1

[Code].....

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Print Out All The Items/sub Items Of A Listview Into One String?

Apr 27, 2010

Im trying to print out all the items/sub items of a listview into one string.

here is the code i have:

For Each lvwItem In ListView1.Items
' Print the subitems of this particular ListViewItem
For Each lvwSubItem In lvwItem.SubItems

[Code]....

How do i just print out the value (MyItem1) without the "ListViewSubItem: {}" part? I know i can use a string function to remove this, but id rather not

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How To Populate The Listview It Populates All Of The Listview Items

Mar 13, 2012

I have the code below and when I try to populate the listview it populates all of the listview items but only the first subitem. No clue what I've got wrong.[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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Determine If Property Is Generic List<of T> Via Reflection And Loop List Items

Oct 1, 2009

I'm looping all the properties in an object via reflection:

For Each p As PropertyInfo In values.[GetType]().GetProperties()
If p.CanRead Then
'Do stuff
End If
Next

how to determine whether the property in question is a generic List(Of T)? If it is I need to loop the list itself.

I've experimented with GetType and TypeOf but have not managed to get anything working.

To clarify, I want to keep this generic. I do not want to specify the type of T, I need to loop the list items and call the ToString method on each item. T could be one of a number of different types (application specific reference types). Is it possible to do this without specifying types?

(VB.NET 2005 with .Net 2.0)

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Placing Selected/unselected Items In Checked List Box Into List Boxes?

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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Shuffling Items Inside A Movie List / Need To Delete Half List

May 16, 2011

Another program I am working on for fun, I am basically shuffling a list inside a listbox, what I want to do is delete the rest but not sure how to go through with that. At the moment I have this: [code] Just contains the code, declarations outside weren't included.So anyway, once clicked, it will call on the function to basically shuffle in a for loop, I was wondering if I should (or how should) create another function and call it in the click button or have just a loop in the click button so it deletes half the list. What I am doing is I have 20 list of items, I want the program to shuffle the items and then deleting the lower 10, meaning, if I had 10 items and wanted 5 top, I'd want: 0, 1, 2, 3, 4 and deleting 5, 6, 7, 8, 9.

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List.count While Adding Items To The List Increments Returns 0

Jul 20, 2011

I am attempting to read the results from a SQL query into a List(Of) and I can see the List.count while adding items to the List increments, however in another part of my code when I am attempting to read the List the List.Count returns 0. My List is as follows:

[Code]...

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Dynamically Generate List Items To An Unordered List In ASP.NET?

Nov 27, 2009

I have an error panel that is subbed in to a page if an error goes wrong to gracefully handle and display errors.Currently, I am just appending the error messages to a string and pushing that to a label. If you have multiple errors, this gets messy.I'd like to push each error to a list item in a bulleted, unordered list.How can I dynamically generate, from a vb codebehind file, new list items inside of an undordered list element?

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Finding Items In One List That Aren't In A Second List Using Linq

Jan 25, 2011

I have two generic lists, named ListA and ListB. Both ListA and ListB could potentially have duplicate items. What I would like to do is use LINQ to grab the items in ListB that are not in ListA, but I'm unsure how to do so.

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VS 2008 Search Item A (from A List Of X Items) In List B?

May 5, 2010

i want to search item A (from a list of X items) in list B but i want to get the item not found example Search ITEM A in LIST B if not found then return a print....if found continue with ITEM B..and so on.

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VS 2010 Return Items In A List Before Returning The List?

May 23, 2012

That was probably bad title, but I'll illustrate what I'm trying to do. I have a method in a class that I need to call several times. The method returns a List(Of String). I'm just grabbing some information from a database.

VB.NET
Public Function GetTestList() As List(Of String)
Dim int As Integer = 0

[code]....

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Comparing An Item In A List Against Other Items In The Same List In .NET?

May 30, 2011

I have a List(Of MyObj), and I want to iterate through that list and compare each element to all other elements in the same list, excluding (if possible) the same element. I have a solution that works, but it's slow and uses double For loops. It may possibly have also summoned Cthulhu from his sleep. This below is a sanitized version of what I have:

Dim MyList As New List(Of MyObj)({Obj1, Obj2, Obj3, Obj4, Obj5, Obj6})
If MyList.Count > 0 Then
For i = 0 To (MyList.Count - 1) Step 1

[code]....

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Getting List Of Items Not In Parent List Using LINQ

Mar 28, 2011

I am writing app in vb.net

I have two variables one with list of RoomRate and other with list of RoomTypes.

We have RoomRates and RoomTypes linked with RoomTypeInfo variable insite the RoomRate.

So how do i find the RoomTypes which donot have the RoomRates Defined.

My Sample Code:

class RoomType
property UIN as integer
property Title as string
end class

[Code]......

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How To Test 1st List Box If It Has Items More Than Other List Box But By One Item

Nov 15, 2011

I want to know how to test the 1st list box if it has items more than the other list box but by one item, here is what i have: If lstInvisibleTv. Items.Count > lstInvisiblePc.Items.Count Then it works good if the lstInvisibleTv list box is greater than the other list box by one but it also works if it is greater the other one by one or more which I do not want. I want it to work just by one.

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Program That Will Compare Array Of Grocery List Items Glist And Array Of Coupon Item List

May 27, 2012

I have a program that will compare an array of grocery list items glist and an array of coupon item clist.When I compare the two and if there is a match somewhere in the array I want to have a picturebox visible.When there is no match, I want the picture box not to be visible. [code] The code seems to work great until I come to the else statement.When the code finds a match it displays the picture box and the msgbox without error, but as soon as the message box is cleared, even though i've input it as an ELSE statement, the picturebox goes false again.Does anyone have any idea of how I can "hold" the picturebox to stay visible while the match between the arrays exists?

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Remove Items In One List From Another List?

May 2, 2012

i am writing a program that reads a excel report from accounting software with our weeks orders on... so basically the program reads a list of around 100 items which all works fine.I also have a database that holds info on each item, when the excel sheet is parsed the software checks to see if any new items have been added to the list that are not on the softwares database. this is where i am having the issue.I have two lists: ItemsOrdered & ExistsingItems.

All the items ordered this week are in ItemsOrdered and all the items not in the items in the database are in the ExistsingItems list. using these two lists how can i find items that are in ItemsOrdered but not in ExistsingItems.

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Add Items Into Listview?

Mar 19, 2009

Dim str As String[code]....

but i get all the data into one single first column.

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Add Some Items To A Listview

Oct 15, 2011

I am looking for the a simplest for of code where I can add some items to a listview. i have 4 text boxes and 4 columns in a listview.. what could be the code to put 4 values as a single row in list view.. i managed to put put first textbox value as listviewitem (the first column) , but rest 3 has to be added as subitems... i am stuck here..

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Get Items From Xml And Add To Listview

Jul 22, 2010

I am trying to add get items from an xml document and load it into a listview. I keep getting an System.OutOfMemory exception on the line projects.Add(project). What am I doing wrong and how do I do it correctly? I got this code from murach's beginning visual basic.NET. When I run this it adds random spaces between the items in the listview

[Code]...

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How To Get Items In ListView

Apr 15, 2012

How can I get items in listview? I know how to get the current item if selected but I am trying to put it in a loop where I need to get my three row items there. I have 3 columns and I want to get there items and insert it in entry string.

This code is wrong
Dim a As Integer = 0
For a = 0 To ListView1.Items.Count
columname.Text = ListView1.FocusedItem.Text(a)
columntype.Text = ListView1.Items(a).SubItems(1).Text
columnscale.Text = ListView1.SelectedItems(a).SubItems(2).Text
entry = entry + columname.Text + " " + columntype.Text + "(" + columnscale.Text + ")" + vbNewLine + "" & _
""
Next

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Set Listview Items Name?

Jan 26, 2010

If I look at all the options for

me.ListView1.Items(index)

one of them is for Name.

So instead of coding

Me.ListView1.Items(index)

I can use

Me.ListView1.Items("Name")

But if I go into the properties of the ListView1 and look at the collection for the Items there is no place to set the Name.I can code Me.ListView1.Items(1).Name = "Name" and then I can code Me.ListView1.Items("Name")Where can you set the "Name" of the Items in a ListView?

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Sum Listview Items From Row 1 To 20

Jul 25, 2010

Can someone help me about the following code? how can i get the sum total to the label.[code]

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2008 : Listview With Image List - Change The Image In The Listview Dynamically?

Jan 15, 2010

I have a listview control. it has an imagelist attached to it with two images in it. I have entered items into my listview, and they are using the first image in my imagelist.... GREAT! Now, there is a variable I have that will tell me which index in the listview is currently active, noting to do with what I select that could be at another index it's just what's being processed by the program at the time in some task.

Create a function that will change the images of all my listview items by looping through them. If the index variable is set to 2, I want the 3rd item in my list view set to use the 2nd image in my imagelist. The rest of the items in my listview need to be set to the first image in the imagelist.

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.net - Removing Items From A ListView?

Feb 1, 2010

I am trying to search through listview in VB.net 2008. It works fine with small list, but when the list is big ( around 25000 rows), if I search multiple items , it fails saying that index is not valid. Obviously what I understand is , it it tryiong to remove an index does not exist. But I am unable to figure out where exactly it is going wrong.

PS : while it is doing search through the entire listview, I am incrementing index = index+5 becasue I want the next 5 rows to be in the selection state as well.This is the code Private Sub TextBox1_KeyUp(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles TextBox1.KeyUp If (e.KeyCode = Keys.PageDown) Then

[Code]...

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