Check All The Nodes In Tree View With Minimum Complexity?
May 20, 2010
I need to check/select all the nodes in a tree view with minimum complexity. My tree view has 3 levels and many nodes in it. below is my code:
<asp:TreeView ID="TreeView1" runat="server" DataSourceID="XmlDataSource1" ShowCheckBoxes="All" ShowExpandCollapse="true"
<DataBindings>
<asp:TreeNodeBinding DataMember="Category" TextField="Name"
ValueField="Value" />
<asp:TreeNodeBinding DataMember="LeafCategory" TextField="Name"
ValueField="Value" />
<asp:TreeNodeBinding DataMember="ChildCategory" TextField="Name"
ValueField="Value" />
<asp:TreeNodeBinding DataMember="SubCategory" TextField="Name"
ValueField="Value" />
<asp:TreeNodeBinding DataMember="Categories" TextField="Name"
ValueField="Value" />
</DataBindings>
</asp:TreeView>
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Jan 25, 2010
i'm new one to Asp.net (3.5).. plz tel me how to calculate the node, childnode, sub childnode and so on.. and tel me how to retrive value of all...
Using Recurisive i can do this but i don't how to do..
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Mar 2, 2011
In my website, I have a TreeView that has this structure:
Root
|-Leaf
|-Parent
|--Leaf
|--Leaf
|--Child
|---Leaf
|---Leaf
|--Child
|---Leaf
|---Leaf
Is it possible to make the tree in a "collapsed" state where all the Leaf nodes and ONLY leaf nodes are hidden from view until its parent node is expanded? The ideal solution would be to do this without a postback, but any solution at this time would be helpful. The "collapsed" view would look like this:
Root
|-Parent
|--Child
|--Child
Expanding the Root, Parent or Child nodes should show their Leaf nodes. Collapsing the node should re-hide its leaf nodes, but leave the child nodes visible.
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Sep 30, 2010
I need to know a way to disable nodes in a tree view when a particular node is checked (the leafs has check boxes), currently I was able to do it but my problem is I have check the check box, then click on the node in order to get it disabled, this not an user friendly at all. I want it to happen when I check the checkbox in the tree node.
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Jan 25, 2012
I have been trying to delete nodes from a tree view that is being generated from a database. I have the code written and it works, but only on the root Nodes. It will not delete Parents/Childs/Leaf, it will if I delete the root, but I also want to be able to delete parent nodes and such.
Right now i have this code so far
Dim tn As TreeNode = treeView.SelectedNode
treeView.Nodes.Remove(tn)
I know that I can just use treeView.Nodes.Remove(treeView.SelectedNode) but was doing some error checking to see if I could firgue out what was going on. I am using VB6, I am not so worried about the database deleting at the moment. I would prefer not to use the Clear() method as this will remove all the nodes I only want to remove certain ones and keep the rest.
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Jan 22, 2010
I have bounded a treeview with an xml file. It bounded perfectly. you can have a view of my xml file.
<?xml version="1.0" encoding="utf-8" ?>
<MainMenu>
<submenu submenuname="Tracker">
<submenu1 submenu1name="NBD" url="View.aspx" picurl1="Images/report.gif" />
<submenu1 submenu1name="EOI" url="EoitTracker.aspx" picurl1="Images/report.gif" />
<submenu1 submenu1name="Proposal" url="ProposalTracker.aspx" picurl1="Images/report.gif" />
<submenu1 submenu1name="Project" url="ContractTracker.aspx" picurl1="Images/report.gif" />
<submenu1 submenu1name="Sub Contract" url="SubContractTracker.aspx" picurl1="Images/report.gif" />
</submenu>
<submenu submenuname="Reports">
<submenu1 submenu1name="NBD" url="#" picurl1="Images/report.gif" >
<submenu2 submenu2name="By Status" url="Nbdbystatus.aspx" picurl="Images/report.gif" />
<submenu2 submenu2name="By Date" url="NbdbyDate.aspx" picurl="Images/report.gif"/>
</submenu1>
...........................................................
MainMenu is the Parent node and Tracker, Reports ... are subodes. I want that if I click the node Tracker the all it's parent nodes(NBD, EOI, Proposal, Project, Sub Contract) should expand the remaining treevew remain same.
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Feb 15, 2011
how to expand and collaps the tree view nodes in asp.net
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Mar 24, 2010
i have a tree view with nodes beverages ,condiments,confections,dairy products and am adding a new node by entering the name of the node through a textbox and the position of the node as where to be inserted is given thru a dropdown list.fro ex.if i select beverages from dropdown list the node is added as a child node of beverages..the node being added is temporary i.e when i run the program again ,previously added node does not exist.."how to make the newly added node exist permanently..ie if i add a node to beverages or any node as a childnode it should exist permanently..when i run the prog again i shud see the node which was added... "
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Oct 5, 2010
When installing an Umbraco site, I changed my umbraco admin url from '/umbraco/' to '/myadminurl/', even before I went through the install process.
Just like it's documented, I changed in the web.config the keys 'umbracoReservedPaths' and 'umbracoPath' to match my new admin url.
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Jan 15, 2011
how to get list of all tree nodes (in all levels) in TreeView Controls ?
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Jan 27, 2010
I am developing an ASP.Net web application for my client which is into Multi Level Marketing Business. I need to show him the treeview of the members under any member he chooses. For eg. he selects 'Member A' from the DropDownList, and clicks Submit, he should get a treeview of all the members under 'Member A'
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Jan 25, 2011
I have two control page in my aspx page. first one left side "tree view",second one right side " form design".Form design will change based on tree view selected index changed.i have 4 level child node(site, master , slave, space). I have seperate forms to each level of node.
cannot update tree node when update the forms. so i reload tree view.
now i need how to auto selected index change to tree node.
ex.
1 parent node
1.1 child node
1.2 child node
i have update "1.2 child node" rename to "1.3 child node"
and reload treeview so it will chage...
how set tree node.selected index = 1.3 child node....
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Jul 28, 2010
I have to select checkboxes besed on group column values. If you see below gridview, column 3 (GroupNo) has 1,1,1,1,2,2,2,2....etc (this column data is not static, will change based on page index. i.e PageIndex =2 may starts with 7,7,7,8,8,8,8,8,9,9,9 etc).
In every sectio/Group User must and should select minimun 2 check boxes. so If user select only one check box we need to show a pop up message as " select One more check box in that particular section" If User skips the message and move to next section we have to show the same message. We have to force the user to select more than one checkbox in the same section.
Mainly our intention is the check boxes whatever user selected in each section/Group belongs to one Category.
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Sep 7, 2010
speed Performane i create a web site but it very slow run i use tree view and grid view but i do it run very fast
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Oct 29, 2010
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Sep 9, 2010
i create a tree view and grid view how to search select node grid view show using jquery ajex
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Dec 20, 2010
I m creating a project in which only two members can register by using one perticular ID as a Sponser ID. I am using VS 2008 with C# language and LINQ as Query. At the point of insertion for register entries, i invoke a method BINARYCHECK which contains LINQ query. I passed _txtSponserId as a parameter to the BINARYCHECK method. Now in the function definition section i have written LINQ query which checks in database that if particular sponser ID is bieng used maximum of two times by any other user. But i only can check one record in the database. I want to check for all the records. Below is my code:
var a =UserBl.BinaryCheck(_txtSponserId);//function call
public static List<tblUser> BinaryCheck(string s)
{[code]....
This code doesnt check for how many times SponserID is Used. This is why i get i=1 and return data even if SponserId is used only One time. On the contraty i want to implement that if SponserId is used only once in database then function should return null other wise it shold return 1. How to do this?
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Feb 3, 2011
Is there a way to check/uncheck the checkbox in a tree node by just clicking on the treenode text. I tried something like this - I can check the right checkbox when I click on the node text but I am unable to uncheck it. Is there a way to do that.
protected void tv_SelectedNodeChanged(object sender, EventArgs e)
{
TreeNode tn = tv.SelectedNode;
tn.Checked = true;
this.tv.SelectedNode.Selected = false;
}
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Sep 21, 2010
in tree view i select leave than output is Leave label =3 parent HR-Rec-Leave value ,and text show
HR
REC
LEAVE
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REC1
LEAVE1
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Jul 7, 2010
i have a problem in .net web application... i have created a tree view which runs perfect on windows XP but as i try to run this application on windows7 the tree view is not displayed/visible .
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Mar 11, 2010
I have a web application where I am using asp.net tree view control to show data. No I want that this tree view structure has to exported to excel. Following is the code which do this for me.
private void ExportSiteStructure()
{
Response.Clear();
Response.Buffer = true;
Response.ContentType = "application/vnd.ms-excel";
Response.Charset = "";
this.EnableViewState = false;
System.IO.StringWriter oStringWriter = new System.IO.StringWriter();
System.Web.UI.HtmlTextWriter oHtmlTextWriter = new System.Web.UI.HtmlTextWriter(oStringWriter);
TreeVWSite.RenderControl(oHtmlTextWriter);
if (TreeVWGroups.Nodes.Count > 0)
{
TreeVWGroups.RenderControl(oHtmlTextWriter);
}
Response.Write(oStringWriter.ToString());
Response.End();
}
It works perfect but the report what it gives me contains all parent and child node of tree view get palced in excell cell as well as icons and checkboxes which I have use. What I want is to have only Text in excel cell that represent node of tree view and not those icons and checkboxes associated with them.
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May 4, 2010
I am working on a project just like gmail we have, I want tree view left aligned to be set size same as of my right mailbox.
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Aug 31, 2010
I'm looking for a horizontal tree view control that creates nodes in the following way -
|_______|
|
_______________________
| |
|_______| |_______|
|
_______________________
| |
|_______| |_______|
Hope you get the design.
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Jul 19, 2010
I am trying to implement some tree like that in ASP.NET:
However, this is a TreeView component in the Navigation Tab. I want a DataGrid in a tree view which isn't navigation. Is there a ready FREE component out there?? If not, what is the right component to start with to build such a tree component???
I'm not in a hurry, it will be better for me if I can build my own, but I want to know the component to start with?is it the DataGrid?
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Oct 7, 2010
i have a tree view how i find his parent
HR
IT
Computer
if we selected Computer
Than value is
Parent2=IT,
Parent1=HR
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