Web Forms :: Looking For The Best Way To Load Treeview?
Jul 12, 2010
I am using treeview to display records from 4-5 SQL Tables. Currently I am using 4-5 different stored procedures to retrieve data based on a dropdownlist value.The tree is loaded everytime the value in the dropdownlist is changed by the user.
Is there a faster way to load treeview as everytime a new selection is made, the treeview is binded again. Or is there any way I can optimize the actions I am performing now to bind the treeview?
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Similar Messages:
Oct 29, 2010
What I have is a simple treeview with one root node, and some childnodes under it. My form allows users to add a new child under the parent, (I'm not pulling anything for the treeview from a database or anything - it is just a treeview with some static nodes). What I then need to be able to do is when navigating away from the page, and then coming back, I want the user added nodes to persist.
I would like to pass the treeview info to a Session variable and then upon page return load that session back into the treeview.I've tried to loop through the treeview to get all the nodes, but my count always comes out to 1, which I'm assuming is my root node. Do I just need to pass that to a session and it'll gather all the nodes under it as well, or do I need my session to be an array and load each node.
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Feb 22, 2010
I am writing an Administration Module which it lets the administrator to Add/Delete the items in TreeView. I know that I have to store the Items in SQL Database but I dont know how to retrieve them and bind to the TreeView and then Link them to related pages.
I have found some Tutorials but I did not understand completly. I've seen that they used to have the
www.testwebsite.com/PageID=1?
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Mar 23, 2010
In my Treeview i have for all nodes checkboxes.
parent
child
leaf
leaf
leaf
parent
child
leaf
child
leaf
1. when i check leaf - i want to have checked child and parent too
2. when i check parent - i want to have checked child and leaf
---
3. on a save button i only want to save checked leaf to DB - if they are not checked delete from DB
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Apr 21, 2010
I have 2 iframes in my page and 2 separate pages linked to each of these iframes. In one iframe page a tab control is placed with treeview on each tabs and the tree items are selectable (treeview with checkbox). On navigation of one tab from other an XML document stored in session is being updated with the selected treenode values.
The second iframe page is places on right side of the page which summarize the selected made on the each tabs. To do this, the page is getting loaded on tab navigation and in page load of that page, the treeview id created and displayed. We created the treeview as an object and kept in session variable then added into a panel. The only modified areas require to be updated instead of binding the entire tree on each tab's navigation.
1. The treeview must retain it's collapse/expand status on tab navigation which is not happening now.
2. When I set EnableClientScript property to true, I'm getting error on expand/collapse as Undefined 'somenodename' error. If I set the value as false, then postback is happening which should not.
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Jun 9, 2015
I use a Treeview control like below code.. it cause page_load event twice.. how to stop page_load firing twice?
HTML Code:
<%@ Page Language="VB" AutoEventWireup="false" CodeFile="test.aspx.vb" Inherits="AdminSection_test" %>
<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="asp" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
[Code] ....
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Aug 19, 2010
I developed a page where i m using jquery treeview plugin to generate tree. It worked fine on FF, IE8 with out ajax.But when my page loads thro' ajax call in IE8, it is not collapsing or expanding tree.
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Mar 1, 2011
Periodically a rash of occurrences of the following error happen. I believe they're the result of hack attempts. Whether that's the case or not, my question is how can I handle the error? I want to avoid unhandled exceptions. The TreeView control is just
a standard .Net TreeView control, not a custom one. If you suggest a code solution, please code it in VB.Net as that's what I'm using.
Message: Input string was not in a correct format.
Stack Trace:
at System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal)
at System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info)
at System.Web.UI.WebControls.TreeView.LoadPostData(String postDataKey, NameValueCollection postCollection)
at System.Web.UI.WebControls.TreeView.System.Web.UI.IPostBackDataHandler.LoadPostData(String postDataKey, NameValueCollection postCollection)
at System.Web.UI.Page.ProcessPostData(NameValueCollection postData, Boolean fBeforeLoad)
at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
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Nov 15, 2010
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.
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May 7, 2015
Code to drag and drop a TreeNode to another control or tag such as Div or even another TreeView.
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Feb 18, 2010
how to write Css for asp.net treeview by applying color and theme like (msdn website treeview)?
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Jul 1, 2010
how i can load an panel(that contain for example Weather information) after page load
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Mar 23, 2010
Have a look at below link. In that page if you mouse over on any thumbnail image a div opens with that image details with larger size. But there is a point to notice usually when an image gets downloaded in the browser we see that the image loads in parts from top to bottom. In this case the whole is loaded but in blurred state and gets cleared after fully downloaded.
Sample
Link
I just wanted to know how this is achived? Does it require to code something or it is any javascript or dhtml?
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Feb 25, 2010
I hv Declared two Master page one Is Base and Derived.. Base Page Load is working but when i hv written load controls in Derived Page Load Using C# it's not working..
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May 10, 2010
My application is running fine locally when I deploy it it is giving me the above error saying
Description:
An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
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Feb 16, 2010
how to check performance of sql server query with load ,also wants to create load by any tolls like load runner,if any url for download load runner or any other tolls by which we can create load please give me some idea related to it.
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Jul 7, 2010
I am trying to create a progress bar for page load as it takes long to load. I need help to resolve jscript error 'null' is null or not an object on line $get("btn").click();
[Code]....
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May 14, 2010
Control ctrl = new Control();
this.PlaceHolder1.Controls.Clear();
ctrl = Page.LoadControl("uc1.ascx");
ctrl.ID = "DynamicCtrl";
this.PlaceHolder1.Controls.Add(ctrl);
instead of using a control to load can we load a page .. like example.aspx
page mypage=new page();
mypage= Page.Load("example.aspx");
how to do this. as i am getting the erro
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Apr 11, 2010
I have a update panel on the ASPX page,When thepage loads the content in the update panel shouldnot load ( Update panel should show the Updatepanel progress control) but after page load update panel contents should load . How do i get this efect.
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Mar 16, 2011
we are creating a custom content management and out portal page is bit bulky it is about 60Kb without images.
and during loading the page in some browser we can see some parts of site load faster than the other parts of the site where as we want to indicate (or instruct the web server) to load some of the areas first then load rest of the page.
is there any particular setting in IIS for is there any particular method in classic asp for doing that?
also I have the same question in asp.net.
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Jun 18, 2010
I'm developing my first Facebook application in ASP.NET 2.0 and doing a simplest thing, that is, to show a navigation on top with four hyperlinks where each link targets to another .aspx page. How can I do this using FBML in ASP.NET 2.0?
Otherwise coming to my question, where I'm struck after trying above thing at myself and failed then had to go around the Ajax way of doing this. Now I'm using Ajax call over the onclick event of each hyperlink from top navigation and it's succesfully loading external .aspx pages (for example,[URL]. The problem is when user comes on the application on first time, it only shows the .aspx page which has a navigation and a Ajax content place holder which is programmed to be filled with contents on click event.
How to load Ajax contents into the Ajax content place holder on page load without a click event?
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Jan 20, 2010
I use a RadComboBox And use the code exactly as same as mentioned at the site
http://demos.telerik.com/aspnet-ajax/combobox/examples/populatingwithdata/autocompletesql/defaultcs.aspx
I use the code for "Server side" on the page mentioned in the above link.
However i am able to populate the values the first time the page is loaded but when i type in text it does not refine .Am i missing out on something ?
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Jun 21, 2011
I am using a third party gateway. The third party gateway does not support query-string , so i will need to post the form to pass the values to the given URL and another thing is that they don't expose the web-services so we need to use their page and that means we need to host it in an iframe in asp.net
so what i did is that i have hidden fields that will be used as parameters as depicted below
Code:
<input type="hidden" name="p1" value='4635' />
<input type="hidden" name="p2" value='Reference_test' />
<input type="hidden" name="p3" value='Purchase credits' />
[Code]..
Now the purpose of this , is to load the iframe after the page load event of the asp.net gets fired.
Now my problem here is that when the iframe loads , it does not pass the parameters to the url that is being set in the iframe.
I have attached the example, project. (2kb)
When you run the project you will notice when the iframe loads there is an Error
"NO VCS ID"
now this means that the parameters were not passed when the Iframe loads , i can understand because it seems like iframe does not do a full form post. so to demonstrate what i want, click the proceed button and you will notice it will give you a page with no errors and it will be a page where credit card details are required , i want to iframe to load that the first time.
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Oct 1, 2010
I have a treeview that i fill from a database, when i add a new row to a database, the treeview is not updating.Even the reload of an internet explorer doesn't help, It does updates only after i press stop debugging button and turn it on again.Here is the code:
[Code]....
[Code]....
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Jul 3, 2010
i would like to add images for a tree view like for root node one image and for child node other like that i would like to add different images for nodes..
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