Web Forms :: How To Adjust Treeview Control Selection
Feb 8, 2010
I am writing our file to a web page, and have already figured out how to change the target of an iFrame when one of the Treeview's nodes is clicked so that the user is taken to the correct page of the file (mixture of javascript and treview properties).
What I can't figure out is how to adjust the treeview control when the user clicks on a link in the target page and is taken to a different file page. Absent any other action, the treeview control would still show the wrong node as being selected after the page is selected.
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Apr 4, 2010
the design of my page because of the treeview menu. I am using a treeview for the purpose of issuing accessibility of users regardless of their position. Actually, the treeview menu control overlay the footer whenever I expand on it. How am I be able to dynamically adjust the height of the <div> for the treeview menu.
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May 25, 2010
I am generating Textboxes dynamically on selection of treeview node.
The problem is i have a button and on click of it postback happens and all the date entered in the textboxes and textbox it self is lost ;(
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Feb 21, 2011
am i going to get the value when the user click my imagebutton, here the scenario i have an imagebutton on my datalist with an image of checbox, now when the user what to click the imagecheckbox the image will change to check image then when the user what to uncheck the item the imagebutton will change to uncheckimage, now how am i going to do that using click event of the control. if you'll ask me why i dont what to use the checkbox control it because i dont know how to adjust the control to a to its heights and width.. that is why i try to use the imagebutton in case there is a way to do it.
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Oct 1, 2010
I have a tree-view which doesn't have any events and AutoPostBack property is also false. But whenever the treeview node is selected,its taking a lot of time...The tree view is placed inside update panel...I have an update progress and selection of any node shows the progress for atleast 5-6 seconds.
The code is as below :
<asp:UpdatePanel ID="updatePnlListBoxes" runat="server">
<ContentTemplate>
<table align="center">
<tr>
[Code]....
The script manager is in Master page.
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Dec 13, 2010
This is what the chart currently looks like:
This is all the data in the database that it is currently using. (how the headers are not properly aligning here)
Id(Key) Confidence Love Stress Date/Time
193 0 0 0 12/3/2010 11:33:47 PM
194 55 55 55 12/3/2010 11:34:04 PM
195 30 40 20 12/3/2010 11:34:11 PM
196 40 50 30 12/3/2010 11:34:20 PM
197 50 60 40 12/3/2010 11:34:28 PM
198 60 70 50 12/3/2010 11:34:45 PM
199 70 80 60 12/3/2010 11:34:53 PM
200 80 90 70 12/3/2010 11:34:59 PM
201 20 3 11 12/3/2010 11:36:42 PM
202 20 3 11 12/3/2010 11:37:08 PM
203 76 34 34 12/3/2010 11:37:41 PM
204 3 4 2 12/4/2010 12:14:15 AM
205 5 100 8 12/4/2010 12:17:57 AM
206 77 89 3 12/12/2010 8:08:49 PM
This is the SQL statement I have the chart configured too:
SELECT [ConfidenceLevel], [LoveLevel],
[DateTime], [StressLevel] FROM
[UserData]
My issue is in cases like this example, the data recorded around 12/4 looses it's fidelity and is un - "see able", it all blends together.
How can I configure the chart so that the last 20 days are always readable on the chart and that they don't blur together?
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Oct 25, 2010
I want to embed a silverlight app into a web page and have the height/width of the div that contains the silverlight control match the dimensions of the actual size of the silverlight control.
I essentially want the div to stretch to accommodate the size of the silverlight control. I do not know what size the silverlight control will be before it loads as it is pulling in data and adding controls dynamically. I want to avoid dueling scroll bars and use only the browser scroll bars.
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Mar 9, 2011
I have a page that will display up to 4 videos at a time.. BUT i would like to see if there is any way to calculate and set the width and height according to the number of videos im presenting..
If only one video, i want it to take up the entire width and height of the space i have allocated.. ( say thats 1000w x 800h )
If im displaying 2 videos, then split that space up between the 2 and so on.. keeping the aspec ratio so not to distort the video window..
Right now im hard coding each one 400x300 which looks good when there are 4 laid out on the page.. just want to see how doable is this to accomplish..
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Mar 3, 2011
I want to make a website having the following UI.
Once I click on 'Engines included' a treeview having all the engine node should show. I am geting the engine collection dynamically from database.
1.What should i use to create enginesIncluded control? 2.How do i show a user control having a treeview on click of 'engine included' control? 3. I also need to show the selected engines on the top row as buttons .
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Dec 13, 2010
I was working with treeview and bumped into this problem where i need to add child nodes to a treeview control,these child nodes are a combination of textbox and button control so that
i should be able to save the text as new child control,i tried overiding the pre render and post render text but didn't get the solution.
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Apr 7, 2010
I was wondering if anyone can help me work out what the user has selected in this selection changed event?his is what I have so far:
protected void rblNavigation_SelectedIndexChanged(object sender, EventArgs e)
{
string url = (GetCurrentPageName()).ToString() + "?" + Request.ServerVariables["QUERY_STRING"];
[code]...
The problem is that rblNavigation.SelectedValue is not the value that the user has selected to trigger this event. How do I get the value the user has just selected?I'm using C# and this selection event is inside my MasterPage.
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Mar 29, 2010
Am creating a user control for multiple selection drop down( i e dropdown with checkbox list) as shown. It works fine if i have only one instance of the control in a page. But it fails for more than one. I guess its java script client id issue. but i checked even that but unable to found :-
This is my .ASCX file.
[Code]....
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Feb 4, 2011
In my asp.net application I'm using TreeView control, and at some point I noticed that TreeView.Nodes property doesn't return all the nodes, so I'm curious how can I get ALL Nodes of TreeView control to iterate through them in foreach loop, any tricks, or I miss something?
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Feb 3, 2010
I have a simple Treeview on my web page. I am using ASP.Net 3.5. I have 2 parent nodes and then some child nodes for each parent when expanded. I want my 2 parent nodes to align up to the left. And I want the child nodes to be idented under the parent and all aligned to the left. Presently, it seems like everything is aligned in the center. It seems odd that there is not a horizontal alignment proprty. Or am I just not seeing it?
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Apr 19, 2010
I am binding a checkboxlist with a dataset (with these columns :
id,empname,resourceId,balanceId as columns) with datavaluefield as id and datatextfield as empname;
Now, i want to control the selection of the items. Say some thing like
1. "User should be allowed to check only say 5 items with same resourceId" using javascript
2. And in total he should select only 20 items (max 5 items for same resource id and max 15 items for the remaining)
How can we control this?
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Jan 28, 2010
How to make multiple day selection from calendar cotrol using c# asp.net 2.0 , and stored these selected dated in to the database tble
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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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Feb 2, 2010
I am developing website using xmlhttp request.I am using treeview control in a webpage.I am sending xmlhttp request to page for adding a treenode to treeview control.I added a node in the treeview control and i render the treeview control html using control.render method and send html to client through without postback.But i am not able to maintain the state of treeview control like selected node and expanded nodes.So I want to send state info to server through xmlhttp and how to update the state info in server,aslo i need to update the treeview control javascript objects like treeview_data which maintains the treeview state when i return back from server.
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Feb 11, 2010
I am trying to use a treeview control in my application. From the begining I had one parentnode and several childnodes for each parentnode. I wanted to be able to close an opened node when I click on a new one and I maneged that with OnTreeNodeExpanded method.
My problem is that I now need to expand my treeview so it will look something like this:
[code]....
What I want now is:
1. to be able to close an opened parentNode if i click on some other parentNode,
2. if i click on childNode i want to expand it so I can see grandchild,
3. if i click on another childNode for the same parentNode I want that the allready expanded childNode collapses and that the childNode I clicked on to expand.
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Jul 11, 2010
How to do this programitically.
I want to populate treeview control parent and child nodes dynamically from the database table using sql server,asp.net and c# code,so that when user clicks the node in the treeview, it would take me to the selected aspx page.
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Sep 16, 2010
i am building an application and using TreeView Asp.net Control and i have to use Link Button as a childnode and apply MultiViews on that .
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Feb 8, 2010
I want to integrate the Gridview control to treeview like by when user click + that will display the gridview control in treeview control
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Oct 21, 2010
I want to populate my treeview with the values from database. How can i do it.
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Oct 9, 2010
i want dynamic tree view control for my project .let me Know with code in c#
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Mar 9, 2010
I have used treeview control with checkbox for my web application tool in listing the categories. I have used java scripts to select only one checkbox to be selected in my treeview category. Now after completing my operation i want to uncheck the checkbox ( tick mark) in the treeview checkbox control? Can any1 suggest some solution...? I am trying this for past 1 week...
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