I need to retrieve a specific node from the TreeView in order to dynamically set it's NavigateUrl property. I've tried using the code below:
TreeNode homeLink = TreeView1.FindNode("Home");
However this returns System.NullReferenceException error.My guess is that I'm using a wrong valuePath in the FindNode("Home"); function. I assume that valuePath refers to the "title" property of the node in the SiteMap?ere is an extract from the sitemap:
I want to know how Can I check the checkbox of a asp.net tree view node ( it can be either parent or child) based on matching a condition from the code behind?First Im getting all the nodes from the database. After that I want to check the checkbox corresponding to the ID which that user is a part of.
I have a treeview which will be generated dynamically which need to be displayed on left side and when user clicks on a node it need to open a page on the right side of the same page. and each node has different aspx page. so whenever user selects a node the page details should be displayed on the right side .we can use an iframe on the page which will display the different pages clicked on the node.Is there any alternative i can use to display different pages based on the user selection on the right side without using iframe.
I have a treeview with four levels; parent, child, grandchild, great-grandchild. My selectednode is at the grandchild level.
What I'm trying to do is to create a new "Treeview" at the grandchild - NO, I dont wnat to create a new node to the "selectednode" (grandchild). So it should be somelike this:
I have listed data for ASP.net control TreeView. I wanted to disable a particular node/parentnode in the listed TreeView. I wanted to do this using jQuery.
after populating treeview and i want to traverse in all the node and want to attach javascript if the node has child node. how to do it in asp.net when work with treeview control.
I am using a treeview control. I am buliding the tree dynamically. sometimes the tree becomes larger and the down scroll bar is need to see the entire tree. user can select a node from the tree. if one node is selected ,i change the color of the node from server side.
my problem is that if a user selected a node which is bottom in the tree(means, the user used the down scrollbar to see that node), after postback it shows the top of the tree.to see the selected node the user need to use the down scroll bar.
I need to show the selected node after postback. How can I do this?
if tree node does not have tag property like windows treeview control then i just want to know how could i attach the tag property with each tree node.
I have a list of treeview nodes. When I click on a node it redirect me to a page but my treeview nodes go back to my orginal settings for the nodes meaning doesn't keep the node you click on expand when directing to another page. Is there away to keep the states of the collepse nodes?
How can I set spacing between each node in treeview? the spacing is not the same for all the nodes. I want to manually add different spacing between leaf node and parent node.
after populating treeview and i want to traverse in all the node and want to attach javascript if the node has child node. how to do it in asp.net when work with treeview control.
