Checked TreeView Control Not Working
Aug 18, 2009
I have a treeview control with check boxes. when I check the parent node, all the children check too. The problem is, I want the parent check box to automatically uncheck if one of the children is unchecked.
Private Sub TV_Communities_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles TV_Communities.Click
For i = 0 To TV_Communities.Nodes(0).Nodes.Count - 1
If Not TV_Communities.Nodes(0).Nodes.Item(i).Checked Then
TV_Communities.Nodes.Item(0).Parent.Checked =
False
End If
Next
End Sub
davidbell
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Oct 1, 2009
How can I Collect all the Checked Child Nodes Name From a TreeView Control Using VB.NET Windows Applications.
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Sep 22, 2009
I trying to get what I think should be a simple thing. I have a checked treeview. I need to get the text of each checked node into a string. For the life of me I can't get it. I am trying to loop thru all the nodes and see if they are checked but I keep getting a "object reference not set to an instance of an object" but I don't know why.
Dim value As String
Dim node As TreeNode
Dim i As Long
[Code]....
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Mar 8, 2010
user can select all node in treeview.i got some code from internet, but i don,t know what is that.(I'm new one).
public void OnCheckChanged(Object sender, TreeNodeEventArgs e)
{
if (EntertainmentTreeView.CheckedNodes.Count > 0)
[code].....
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Apr 7, 2010
I am displaying all checked nodes from treeview1 like........
Private Function GetCheck(ByVal node As TreeNodeCollection) As ArrayList
Dim lN As New ArrayList
For Each n As TreeNode In node
If n.Checked Then
lN.Add(n)
Else
lN.AddRange(GetCheck(n.Nodes))
End If
Next
Return lN
End Function
It works properly. But If I prints checked nodes. Then again if I un-check any checked node from already checked nodes and now. If I print then I don't get the exact checked nodes. It still shows me previous output. What should I have to do for getting the exact checked nodes?
Selected Node
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Feb 23, 2010
How To Display All Checked Items Of A Treeview BUT----- IF-- A Parent Node Is Checked Then Display Its Name But Dont Display Childs Nodes Of The Same Node Only. I am Using VS 2003 and Framework 1.1-2.0
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Sep 5, 2009
in making a combobox - treeview - checked in visual basic. I have seen a few examples in c++ but I am unable to convert that code. Nor do I know how to integrate ++ code into my project. So, where do I start? Custom control? Is there a custom control project at startup of visual studio?
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Apr 3, 2009
How do I check a parent node when I check one of it's child nodes??? I've googled this and searched on these forums but nothing...
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Jan 27, 2011
I'm trying to get each checked checkbox inside the treeview. I was thinking of looping inside the checked items, but the code just get stuck on first checked textbox and displays it over and over again.
Here is the code,
Dim Box As ListViewItem
For Each Box In ListView1.CheckedItems
MessageBox.Show(Box.Text)
Next
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Jun 14, 2010
How do I display Items that are Checked from a treeView in a listBox using VB?
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Nov 18, 2011
I'm looking how to save the checked checkboxes in a treeview which contains a lot of folders and subfolders.Is it possible to save them in the application settings ?
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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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Jul 26, 2010
<asp:BoundField DataField="mail" SortExpression="mail" HeaderText="Com Rec">
<HeaderStyle Font-Size="X-Small" ForeColor="White" HorizontalAlign="Left" />
<ItemStyle Font-Size="X-Small" HorizontalAlign="Left" />
</asp:BoundField>
<asp:TemplateField HeaderText="Status Change">
<ItemTemplate>
[Code]...
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Feb 25, 2011
I have a form that has 13 groupboxes each with 6 radio buttons in them. I want to be able to tab through the left-most radio button in order. At load time, the left-most radiobutton in the top groupbox is checked. The only way I found to have this load unchecked is by setting it using a timer, but this makes it so that that radiobutton can't be tabbed to at all.
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Jan 13, 2010
I have a folder named "Root" in my d: drive.The "Root" folder contains two folders namely "Child1" and "Child2".The "Child1" again contains a folder named "Sub-Child1".The "Child2" again contains a folder named "Sub-Child1".I want to do a code in such a way that i can show the folder names in a Treeview.
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Aug 31, 2011
I'm all new to this treeview business. I have a fixed treeview, very simple and basic. Only two levels, parent and child nodes. I just need two things out of this treeview.
1) If parent is checked, check all child nodes.
2) If just one child node is unchecked, uncheck parent node.
That's it! I've been looking for this for 30 mins and I cant find it. Maybe because my vb.net is old, it doesnt seem to be the same as others =/ I'm using vb.net 2003.
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Dec 10, 2009
I have a treeview dragdrop event written in VS2003. It works perfectly fine when the application is running on desktop, until we move the application to Citrix. So, users are now running it off from Citrix, the DragDrop event doesn't work anymore. It doesn't even have the effects of allowing dropping.
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Sep 29, 2009
I have created an object hierarchy with nested generic listof() structures. I have created a treeview to match and graphically show the structure. I needed a way to show a property box of an object represented by the selected node on the treeview. So, I gave each of my objects a NodeIndex property, in which I would store the treeview.indexof(node) result, as shown below:
For Each oObject In oJob.ObjectListOfCollection
tnode = New TreeNode(oObject.Name)
Treeview.Nodes.Add(tnode)
[code].....
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Sep 14, 2011
I have a simple TreeView with HotTracking Property set to True. It works when I move the mouse over an item. But it doesn't work when I use Drag&Drop and Drag something over a TreeView Item. Is there a way to use the HotTracking with DragDrop? Or any workarounds?
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Dec 21, 2009
I was making a treeview favorites for my browser and got this code, however, nothing happens on startup, like the treeview stays emty
Heres the code for the Load handler
If System.IO.File.Exists(FavFile) Then
Dim xdoc As New Xml.XmlDocument
[Code].....
the exact same code works for the orginal project, and I have the same xml document in the same subfolders for my project
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Feb 1, 2012
I have a requirement for a new application development where I must present some information to the user for selection via drag and drop. VB offers the TreeView control which would work nice, however the user does not like the Treeview control's presentation. The user wants a control that work similar to the Mac's Finder control while in column view.
Apple's Mac Finder Control works similar to window's treeview. Finder has a nifty view capability that my users would like in some new development that is being done. The finder supports a "column" view. Similar to the treeview, it starts out in a root list. The difference being, when a user makes a selection and clicks on a node, the node doesn't expand, the sub nodes appear on the pane to the right of the list. Clicking on a sub node, will cause the pane to split again and the items within that sub node appear
to the right again.
This will happen again and again with the left pane getting narrower as the user drives deeper into the sub nodes. That is what I am trying to replicate. Obviously, once the user reaches the base list of items, we have to support drag and drop capability. Does anyone know of a control for VB.NET that work similar to the Mac's Finder control?
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May 31, 2010
In Treeview control, I have made particular node backcolor as black to hide text. But it does not work properly. On click of that particular node, it displays text eventhough when I set BackColor as Black. Is there anyway to hide the text in Scenario also. I don't want to actually remove the text from that node as I have done lot of coding by checking node text.
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May 14, 2011
I have a problems with my application..
1. collapse and expand treeview when i click plus sign (+) on treeview, treeview didn't expand subfolder but when i click image, treeview expand it.
2. showing path that i check on treeview when i check the treeview then i'm click the button, then return path that i check
This is my code..
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Mar 13, 2012
I am using ListView Control which CheckBoxes property of the control is set to true..when the from is loaded then all ordernos are loaded into the listview. when i select the orderno then enter contain of the selected orderno to displayed in datagridview control. now i want select 4 order nos and want to display all contain of 4 selected ordernos how find out which orderno is selected through loop and in which even i have to place.
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Oct 12, 2009
I am trying to make a control, like a toggle control like a on/off button and I need to insert/create a property, a checked property.
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Mar 14, 2011
I am having trouble in allowing the user to select the row in the datagridview.
I managed to include the checkbox column in the datagridview but i do not know how to wrte the code such that when the user wants to update or edit the data in the checked row, he just have to check the affected rows checkbox, can be one or many, and then click on ok button, which will then lead him to the data updater form, allowing him to update the data.
Currently i have the below code which can populate the checkboxclumn only.
dbProvider = "PROVIDER=MICROSOFT.Jet.OLEDB.4.0;"
dbSource = "Data Source = '" & Form1.TextBox8.Text & "'"
con.ConnectionString = dbProvider & dbSource
[Code]....
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Dec 26, 2011
Is this only done in VB by making a custom control?
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Jan 2, 2012
I have a form with about 48 checkboxes.I have a public sub that reads a webpage, parse the text of that site to get the values that correspond to these checkboxes.For example: one of the lines would be: "Exterior = 255", or "Street = 0".I do have check boxes that called "Exterior" and "Street". the question is how I can get my sub to address the appropriate control so I can set its "checked" property based on the text read.
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Nov 25, 2010
I am making a user control named MultiSelect, which consists of a textbox. In this textbox I put substring. I want the user control to show a treeview outside the MultiSelect boundaries where items matching the substring will be shown.
For me its no problem to make a treeview inside the MultiSelect boundaries but I need to save space on the original form where a MultiSelect control will appear, so I need to do it like the treeview will appear and after I choose items, it will disappear
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Oct 27, 2011
Basically, I have a view (can be converted into a store procedure) with two tables NODE and CONTACT. NODE is the parent table (NodeID) with the foreign key field in CONTACT (NodeID). The query works fine. I would like the treeview to look like this
[Code]...
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