Do you know a method that completely wipes out a <nav class="navClass"> from a master page, or replaces it by <nav> (no content, no styling in between) </nav>?
I tried
<style>
.navClass { width: 0px !important; }
</style>
This takes effect on styling only, but if I have text in between, it will not be removed.
I have solved this in c# by putting a condition on the masterpage.
<% if ( // condition to not apply for child of certain type { %>
//here, original definition with content and style
<% } %>
But I want to know if there is something more effective that can be used on the child directly to remove the nav, in either c# or css, avoiding javascript.
Maybe I can assign it with ID in master and use it to override it in the child?
Thanks!
I came across this link for finding a solution. Check if it is useful Access an HTML control on ASP Master Page from the code behind of a Content Page
One way you could do is to remove the classes for the nav element via jQuery.
Code below will remove all associated classes for nav.
$(document).ready(function(){
$('nav').removeClass();
});
Related
I need to check if Javascript is enabled or not. If it is disabled I need to hide a placeholder. In this placeholder is a widget that is based on JS (jQuery).
When Javascript is disabled the user can only see a white box with wasted space.
I found out that I can use the <noscript> Tag to display content (for example a <p> with an ID to identify this state) when JS is disabled but I don't know how to implement a function that checks if this ID is shown to the user or not.
When the ID is shown it should hide the placeholder. Is there any solution for doing this with C#?
Thanks for any help.
You can set a CSS class on your body tag (or any appropriate parent tag) when you render the markup, and then use Javascript to change that class. When the class changes you can set different CSS stylings, including hiding markup:
Initial html:
<body class="no-js">
<div class="placeholder"></div>
</body>
Then some jQuery:
$( document ).ready(function() {
//Remove the no-js class and replace it with js
$(".no-js").addClass('js');
$(".no-js").removeClass('no-js');
});
And some CSS:
.no-js .placeholder{
display: none;
}
This way your CSS rule will default to hiding the placeholder, but jQuery will turn it back on again.
EDIT: jQuery is a little bit case sensitive ;)
You can do that with JavaScript as well. Sounds weird but yes.
You even don't have to check for an ID if it's shown or not. Just hide the placeholder initially with CSS. Then, if JavaScript is enabled, show the placeholder.
So I'm trying to use C# to grab stored HTML in a database and then display it between a set HTML header and footer (I have a couple of these for different pages, so a masterpage would make life more complicated rather than less. I also come from a PHP background where this is sort of the way things work).
<!--#include virtual="header.html" -->
<% #Page Language="C#" Debug="true" %>
<% #Import Namespace="System.Data.Odbc" %>
<% #Import Namespace="System.Web.Configuration" %>
<script language="C#" runat="server">
void Page_Load(object sender,EventArgs e) {
//Gets the HTML Successfully
//Response.Write(fetched_html);
}
</script>
<!--#include virtual="footer.html" -->
Unfortunately with the current workflow the code generates content before the header or footer are put on the page, putting all the stored HTML at the top of the page before the header. I've tried a couple different Page_Events and none of them seem to work, so I need to know what to do.
Is there an equally simple way to reference and insert a simple html header file that would render before any of the Page_Events? I've tried Page_PreLoad and others to no success. Either the code is not fetched at all or I run into the same issue.
Use a MasterPage with a ContentPlaceholder. Then, on the content page, use a Literal and put the HTML in there.
See "The difference between literal and label".
Try this:
Assuming you have data holding some where in memory like datatable or dataset or collection.
To display a html text on the page we generally use <asp:Literal/>. So place a asp literal control on the page. It works in between <body> </body> tag.
Now render the text to the control using its Text property. e.g.
ltl.text = dt.rows[0]["htmlcol"].tostring();
To dynamically add text inside <head> </head>, u need HtmlMeta,Page etc class.
I am trying to retrieve a html document to show in my web page, now the content comes from database as a string. Now I know there is a way to do this in win forms using Browser.DocumentText. But how do I do this in web form?
I tried the setting the innerHTML property for a div inside of the "OnRowCommand", the "OnRowCommand" happens to be inside an update panel. When I move the Div outside the panel, say to just below the body, it renders well.
Well there are many ways to do this, you can use a label, literal Controls.
Or maybe defining a public string within your page then use it directly in your html as:
<%= strSomeString %>
Add a literal control in aspx file and in codebehind set
Literal1.Text=data_from_DB;
Try this one:
html code:
<div id="webcontent" runat="server">
</div>
Code behind:
webcontent.InnerHtml = FromDBstring;
Write up for Mvc app Html.Raw('html tages') or MvcHtmlString.Create('html tages') and for web form HttpUtility.HtmlEncode('html tages')
I added this in the head section of my page as told in the article..added the following two additional lines to get rid of the background image(RADEditor on my page is inheriting master page's bg image)
.reContentCell
{
background-image:none;
background-color:White;
}
.reDropDown{color:Aqua;}
Why are the changes not taking place?
[EDIT]
added !important to both the properties above...still can't see no change
[EDIT]
I am using RADEditor in like MANY pages soo was wondering if I can do some coding in the Master Pages ..like in Master Page I can detect if there's some radEditor in any of the ContentPlaceholders..then I can add the CSS file to be used for that Editor so it doesn't inherit master page's CSS properties...so how do i go about it ?? How do I search for radEditor in Content pages and then add CSS to it ???
[EDIT]
I have already tried the following :-
ie adding CustomSkin's CSS classes to Editor
<telerik:RadEditor ID="Editor1" EnableEmbeddedBaseStylesheet="true" runat="server">
<CssFiles>
<telerik:EditorCssFile value="Skins/CustomSkin/Editor.CustomSkin.css"/>
<telerik:EditorCssFile value="Skins/CustomSkin/Editor.CustomSkin.css"/>
<telerik:EditorCssFile value="Skins/CustomSkin/Editor.CustomSkin.css"/>
</CssFiles>
</telerik:RadEditor>
In the page's head section :-
I gave reference of CSS files...now its working fine..Editor is not getting screwed up or anything coz of Master page's CSS ...BUT what I want is some way to do this in the master page's code itself like I said above..plz help..thnx
[EDIT]
Master page's code behind :-
if(ContentPlaceHolders.Contains("what to type here??")){}
Intellisense is not showing Telerik RadEditor option in the drop down list
Is there some other way to add Editor's CSS files programmaticaly in master page's code behind??
use
.reContentCell, .reContentCell iframe
{
background-color:#FFFFFF !important;
}
because the original css file is adding a background colour to both the cell and the iframe.
I have run in to a bit of a problem and I have done a bit of digging, but struggling to come up with a conclusive answer/fix.
Basically, I have some javascript (created by a 3rd party) that does some whizzbang stuff to page elements to make them look pretty. The code works great on single pages (i.e. no master), however, when I try and apply the effects to a content page within a master, it does not work.
In short I have a master page which contains the main script reference. All pages will use the script, but the parameters passed to it will differ for the content pages.
Master Page Script Reference
<script src="scripts.js" language="javascript" type="text/javascript" />
Single Page
<script>
MakePretty("elementID");
</script>
As you can see, I need the reference in each page (hence it being in the master) but the actual elements I want to "MakePretty" will change dependant on content.
Content Pages
Now, due to the content page not having a <head> element, I have been using the following code to add it to the master pages <head> element:
HtmlGenericControl ctl = new HtmlGenericControl("script");
ctl.Attributes.Add("language", "javascript");
ctl.InnerHtml = #"MakePretty(""elementID"")";
Master.Page.Header.Controls.Add(ctl);
Now, this fails to work. However, if I replace with something simple like alert("HI!"), all works fine. So the code is being added OK, it just doesn't seem to always execute depending on what it is doing..
Now, having done some digging, I have learned that th content page's Load event is raised before the master pages, which may be having an effect, however, I thought the javascript on the page was all loaded/run at once?
Forgive me if this is a stupid question, but I am still relatively new to using javascript, especially in the master pages scenario.
How can I get content pages to call javascript code which is referenced in the Master page?
Thanks for any/all help on this guys, you will really be helping me out with this work problem.
NOTES:
RegisterStartupScript and the like does not seem to work at any level..
The control ID's are being set fine, even in the MasterPage environment and are rendering as expected.
Apologies if any of this is unclear, I am real tired so if need be please comment if a re-word/clarification is required.
Put a ContentPlaceHolder in the head section of the master page, then add a asp:Content control on the content page referring to the placeholder and put your script in that control. You can customize it for each page this way.
Also, the reference by ID may not be working because when you use Master Pages, the control IDs on the page are automatically created based on the container structure. So instead of "elementID" as expected, it may be outputting "ctl00_MainContentPlaceHolder_elementID" View your source or use firebug to inspect your form elements to see what the IDs outputted are.
Isn't it possible to do with clean javascript ?-)
-- just add something similar to this inside the body-tag:
<script type="text/javascript">
window.onload = function(){
MakePretty("elementID");
}
</script>
By the way the script-tag has to have an end-tag:
<script type="text/javascript" src="myScript.js"></script>
Why not use jQuery to find all the controls? Something like this:
$(document).ready(function(){
$("input[type='text'], input[type='radio'], input[type='checkbox'], select, textarea").each(function(){
MakePretty(this);
});
});
This way you'll get all elements on the page, you can wait until the page is ready (so you don't modify the DOM illigally). The jQuery selector can get the elements in a bit more of a specific format if you need (ie, add a root element, like the ID of the body div).
It'd also be best to modify the MakePretty method so it takes the element not the ID as the parameter to reduce processing overhead.
Once you use Master Pages, the ids of controls on the client side aren't what you think they are. You should use Control.ClientID when you generate the script.
When using master pages, you need to be careful with the html attribute ID, since .NET will modify this value as it needs to keep ids unique.
I would assume your javascript is applying css styles via ID, and when you are using master pages the ID is different than what is in your aspx. If you verify your javascript is always being added, your answer needs to take into account the following:
ALWAYS set your master page id in page load (this.ID = "myPrefix";)
Any HTML element in your master page will be prefixed by the master page id (i.e.: on the rendered page will be "myPrefix_myDiv")
Any HTML element in your content place holder id will be prefixed with an additional prefix (i.e. myPrefix_ContentPlaceHolderId1_myDiv)
Please let me know if I can clarify anything. Hope this helps!