How To Show A Disabled Checkbox On A Treenode

Feb 14, 2011

Im using an asp.net TreeView that is constructed on server side? how can i disable a check box on a tree node but still show it?

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Web Forms :: Check/uncheck The Checkbox In A Tree Node By Just Clicking On The Treenode Text?

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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Disabled Checkbox On The Fly?

Jul 6, 2010

I'm trying to disable a checkbox depending on whether an xml value contains the word disabled but I'm getting an error as follow. Does anyone know how I can accomplish this or see something wrong with how I'm doing it? The XML value is either blank or contains the word "DISABLED"

error:

System.InvalidCastException was unhandled by user code
Message=Conversion from string "" to type 'Boolean' is not valid.
Source=Microsoft.VisualBasic
StackTrace:

[Code]....

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How To Disabled And Uncheck The Checkbox Values From Database Fields..VB.NET

Dec 11, 2010

how to disabled and uncheck the checkbox values from database fields..if i have entry in my database records as :Name Seats DateSumit 1,3 11-Dec-2010Sanjeev 2,4 12-Dec-2010Manish 1,3,4 11-Dec-2010I want on page load event the default date for todays is 11-Dec-2010 then checkbox1, checkbox2, checkbox3, checkbox4 will be disabled and unchecked state for 11-Dec-2010as you see on the above database structure the seats for 11-Dec-2010 is 1,2,3,4 so the chekbox1, checkbox2, checkbox3, checkbox4 will be disabled..

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Page Created With MultiView - Checkbox Ticked But Disabled

May 24, 2013

My page was created with a multiview which has 3 views.

Now on one of the view I have a checkbox called chkpeer. So, when this checkbox is checked it triggers a submit button to be set to visible and active with the code below;

Code:
Protected Sub chkpeer_CheckedChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles chkpeer.CheckedChanged
If chkpeer.Checked = True Then
chkpeer.Enabled = True
btnSub.Visible = True
Else
btnSub.Visible = False
End If
End Sub

The asp code is

Code:
<asp:CheckBox ID="chkpeer" runat="server" CssClass="checkbox" AutoPostBack = "True" />

Now the problem is, when I check chkpeer - btnsub becomes visible set to TRUE. Then when I move to the next View without clicking the submit button then return to the view with chkpeer,

1) chkpeer is still ticked but disabled
2) btnsub visible is SET to FALSE.

I would prefer one of the following

Either have the chkpeer checked - enabled and btnSub still Visible (Ideally)

Or Chkpeer unchecked and enabled so that when I check it again it activates the btnSub ..

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Sep 16, 2010

I installed VS 08. and then installed Ajax extensions 1.0. I also downloaded ajax control toolkit and added to my toolbox. And I placed scriptmanager on the designer. Now when I am trying to add functionality to standard button via smart tag option. I see this option disabled. how can I enable it and have extenders in play.

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Javascript - Make Code Works If Used Inside Update Panel And Checkbox Values Will Be Disabled According To Database Field?

Jan 28, 2011

This code works fine if i use this inside ssercontrol > panel and i have a checkboxes in table when no checkbox is checked its works fine .... but if i disabled and checked any of the textbox then this doesn't work .... in usercontrol why ? i didnt understand ..

<script type="text/javascript" language="javascript">
function checkboxChecked(){
var allInputs = document.getElementsByTagName("input");
for(var i=0; i<allInputs.length; i++) {
var chk = allInputs[i];
if(chk.type == "checkbox" && !chk.disabled && chk.checked) {

return true;
}
}
alert("OOps! You haven't selected all available checkboxes");
return false;
}
</script>

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AJAX :: Show Smart Tag Disabled - No Add Extender Option

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I am running vs2010, added the ajax toolkit. I can get form control to drag onto forms and run (ie the editor) but cannot get calender extender to work. I manually added it to the code. set the target id. No calender when ran. But the smarttag will appear on the textbox with the only option of remove extender. Why are the smart tags not working. The show smart tag option is disabled on the right click context menu of the textbox.

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AJAX :: ModalPopupExtender Allows Content Panel To Show, But Everything Is Disabled?

Sep 15, 2010

I have a user control (ascx) vs 2010 that contains a modalpopup extender thats popup control is an asp:panel. In that Panel I have an update panel and a contenttemplate inside the upd panel. It is a pretty simple example of its use, in that I have list box allowing the users to create a new row in a table.

However, when I click targetcontrol, the background changes to the expended modal background, but instead of being able to use the listbox, everything in the content panel is the same as the background and none of the controls on the panel are enabled. In other words, the entire page is loaded dimgray, including the updatearea.

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Nov 25, 2010

how to compare to checkbox list and show selected in first checkbox list

[Code]....

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Web Forms :: How To Show/Hide A Table By Using A Checkbox

Apr 22, 2010

I want to make a table visible when a checkbox is ticked and invisible when unchecked, any suggestions?At the moment I have a webform with 1 checkbox and my table which I would like to show/hide.

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JavaScript - How To Show Msg Box If User Forgot To Check Checkbox Control On Button Click

Jan 27, 2011

i have 20 checkboxes in usercontrol ... i wanna do whole coding in user control ...

how to show msg box if user forgot to check asp.net checkbox control on button click .. ?

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Add Control To TreeNode And Get Value From That?

Jan 13, 2011

I would like to Add a DropDownList to TreeView for each node and then I will get the value when I click a button.Is there any way to do like that.Let me know the way you know.

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C# - Adding Property To TreeNode?

Jul 8, 2010

I have a webpage that uses a Treeview. In the treeview are nodes and i use the Text and Value property, but i need one more. I need one boolean property called IsFile.

I make the Nodes and add them to the tree programmatically. I have a class Called NavTreeNodes that inherits the TreeNode class and ads this bool.

public class NavTreeNode : TreeNode
{
private bool _IsFile;
public bool IsFile
{
get { return _IsFile; }
set { _IsFile = value; }
}
public NavTreeNode()
{ }
}

And when i make a new TreeNode i use this class. Everything works until i try to get the data from the treeview in the SelectedNodeChanged on the TreeView function.

protected void treeview_Navigation_SelectedNodeChanged(object sender, EventArgs e)
{
TreeNode node = treeview_Navigation.SelectedNode;
NavTreeNode NNode = node as NavTreeNode;
Response.Write(NNode.IsFile.ToString());
}

I get a "Object reference not set to an instance of an object." error when i try this. I cant even get the Value or the Text value using this method.

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Web Forms :: Treenode Attributes - How To Access

Mar 17, 2010

I couldn't find one that fit for the Treeview control. I have successfully binded my XmlDataSource to my Treeview control. Here is the XML

<ROOT rootName="Sales Literature Groups">
<saleslit_group slgrp_id="1" slgrp_name="PLCs" slgrp_loc="3A">
<sales_literature saleslit_id="1" saleslit_description="Literature #1" is_tube_mailer="0"/>
<sales_literature saleslit_id="2" saleslit_description="Literature #2" is_tube_mailer="0"/>
<sales_literature saleslit_id="3" saleslit_description="Literature #3" is_tube_mailer="1"/>
</saleslit_group>
</ROOT>

My question is whether it is possible or not to extract the "is_tube_mailer" field from the Treeview's Treenode. I attempted to cast the node.DataItem to an Xmlnode, however that only seemed to work in the TreeNodeDataBound event. I need to do this within a Button.Click event routine.

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Web Forms :: Set Text Attribute Of Treenode?

Sep 10, 2010

I would like to set text attribute of a treenode. But I want to do this in HTML. I tried it:

<asp:TreeNode
Text="<% =session['var'] %>"
SelectAction="Expand"/>

but it does not work.

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Jan 21, 2011

Currently I am working on SessionState with SQL. I have problem. I would like to serialize TreeNode. This TreeNode pbject will be assigned to Session and this is declare as below.

private _treeNode as TreeNode <-- member variable

how do I make this _treeNode seriablizable?

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Jan 11, 2011

i am using a context menu for each treenode, the example i am using has front end code as

<asp:TreeNode Text="<b id='b1' oncontextmenu="return ShowContextMenu(event, 'Panel2')" > this is a test</b>" Value="sLeaf 1" ></asp:TreeNode>

this works fine but i need to add text via the code behind. when i do this the html is not converted and is displayed as text.

TreeNode tn = new TreeNode();
tn.Text = Server.HtmlEncode(string.Format("<b oncontextmenu='return ShowContextMenu(event, '{0}')'>{1}</b>", pnlContextSites.ClientID, site_item.SiteName));
tn.Value = site_item.Id.ToString();
tn.SelectAction = TreeNodeSelectAction.Select;

how can i fix this?

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Web Forms :: 'TreeNode' Does Not Contain A Definition For 'SelectAction'?

May 7, 2010

I don't get it... why am I getting the error "'TreeNode' does not contain a definition for 'SelectAction'"

This is s .net 3.5 site here is the code behind... I have red squiggles under node.SeletAction, node.opulateOnDemand, node.expand, node.value...

[Code]....

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May 6, 2010

I have a treeview with ID treeview1 which gets populated from xmlresponse somelike like:

<root>
<Products ProductID="1" type="Electronics">Television</Products>
<Property ID="New" division="Category" count="50"></Property>
<Products ..../>
<Property .../>
</root>

I get Television displayed as treenode. Now I have two issues:

1) if i click on Television i need to make a new xmlrequest based on its ProductID. I tried to bind TreeView1.selectednode.value as property innertext in my xmlrequest but it doesn't accept it. However, I am puzzled how to use xpath @selected to get this particualr clicked node ProductID to be passed as Property innertext.

2) I need to diplay in treeview1 something like : Television(50). So, how to append count to televsion here.

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Web Forms :: Refresh Page On Treenode Select?

Jan 31, 2011

How can achive this. I have tried the following

ScriptManager.RegisterStartupScript(this, this.GetType(), "Refresh", "<script language='javascript'>window.top.parent.location = " + Session[lObjClsGlobals.mStrViewStateCurrentOpenedChildPage].ToString() + "; window.top.parent.Refresh();</script>", false);

But it is refreshing the page with previous session values. But I need the latest.

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Web Forms :: Apply Different Color To Treenode - Treeview

May 17, 2010

i need to apply different color to treenode so i am using a custom node with RenderPreText and RenderPostText however when the page got postback the color of the node changes to normal text.

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Web Forms :: Bind Grid On Treenode Selection?

Apr 28, 2010

I have to develope one page using tree view in my application,page can have one treeview which is bind from database,i did the binding procedure, now senario as like below...

Treeview have parent node as CourseName.....

Each course have more than one sujbect,so child node of course node have multiple child nodes....

Now each subject have more than one chapter,so child node of each subject node have multiple child nodes....

Now whenever user click on chapter node i have to display topics for selected chapter on grid.....

And if user treeview collapsed and user try to click on subject name than i have to display those chapters and expand those chapters for selected subject...but when user click on chapter than i have to bind topic grid for selected chapter using chapterid..

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Web Forms :: Treenode - Parent Node To Do Nothing When Clicked?

Apr 23, 2010

I have a treenode and when the user selects the root, it does a post back and collapes everything. What I want is the Parent node to do nothing when clicked.

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Web Forms :: Set Treenode Relationship - Unable To Find

Jun 29, 2010

I am working on a page where I am looking a relationship property of Treeview.

TreeView1.Nodes.Add Relative, Relationship, Key, Text, Image, SelectedImage

Can We set Relationship here like tvwNExt, tvWFirst like vb. I am unable to find in ASP.NET I have a requirement where I need to go through in loop and set the parent Node, once and then child node. But due to loop its add parent node value everytime.

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