C# - How To Take The First 100 Characters Of Html Content ( Without Stripping The TAGS )
Mar 29, 2010
There are lots of questions on how to strip html tags, but not many on functions/methods to close them.
Here's the situation. I have a 500 character Message summary ( which includes html tags ), but I only want the first 100 characters. Problem is if I truncate the message, it could be in the middle of an html tag... which messes up stuff.
Assuming the html is something like this:
<div class="bd">"Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. <br/>
<br/>Some Dates: April 30 - May 2, 2010 <br/>
<p>Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. <em>Duis aute irure dolor in reprehenderit</em> in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum. <br/>
</p>
For more information about Lorem Ipsum doemdloe, visit: <br/>
<a href="http://www.somesite.com" title="Some Conference">Some text link</a><br/>
</div>
How would I take the first ~100 characters or so? ( Although, ideally that would be the first approximately 100 characters of "CONTENT" ( in between the html tags )
I'm assuming the best way to do this would be a recursive algorithm that keeps track of the html tags and appends any tags that would be truncated, but that may not be the best approach.
My first thoughts are using recursion to count nested tags, and when we reach 100 characters, look for the next "<" and then use recursion to write the closing html tags needed from there.
The reason for doing this is to make a short summary of existing articles without requiring the user to go back and provide summaries for all the articles. I want to keep the html formatting, if possible.
NOTE: ignore that the html isn't totally semantic. This is what I have to deal with from my WYSIWYG.
EDIT:
I added a potential solution ( that seems to work ) I figure others will run into this problem as well. I'm not sure it's the best... and it's probably not totally robust ( in fact, I know it isn't ),
View 4 Replies
Similar Messages:
Mar 10, 2010
In my application, there's a module that displays a user's assignments. Sometimes these assignment descriptions are pretty long that's why I display up to 500 characters of the description. However, because I use an HTML editor in the app, if I blindly grab the first 500 characters, there's a good chance the description will look very funky due to missing HTML tags. So, I first need to strip off all the HTML tags, then grab the first 500 characters. Before I re-invent the wheel, I wanted to see if someone else has already tackled this issue and would be kind enough to share his/her code with me.
View 6 Replies
Jan 6, 2011
I want to implement readmore/less feature. i.e I will be having html content and I am going to show first few characters from that content and there will be a read more link in front of it. I am currently using this code :
var txtToHide= input.substring(length);
var textToShow= input.substring(0, length);
var html = textToShow+ '<span class="readmore"> … </span>'
+ ('<span class="readmore">' + txtToHide+ '</span>');
html = html + '<a id="read-more" title="More" href="#">More</a>';
Above input is the input string and length is the length of string to be displayed initially. There is an issue with this code, suppose if I want to strip 20 characters from this string:
"Hello <a href='#'>test</a> output", the html tags are coming between and it will mess up the page if strip it partially. What I want here is that if html tags are falling between the range it should cover the full tag i.e I need the output here to be "Hello <a href='#'>test</a>" . How can I do this?
View 5 Replies
Oct 20, 2010
Im looking to strip out non-numeric characters in a string in ASP.NET C#
So i.e 40,595 p.a.
would end up with 40595
View 5 Replies
Mar 11, 2011
I am trying to save HTML content in a database. I have it stored properly but when I try to call it and display it on a page using a literal or label control, it does not show the content properly. It will show the text but not any HTML content (i.e. checkboxes, images, hyperlinks, etc)
View 9 Replies
Mar 8, 2011
I want regex operation for removing style tags,css,scripts and html tags from html to plain text in asp.net c#...
View 1 Replies
Mar 27, 2010
i'm doing ajax website using PostWebRequest() function, when i call any .aspx page to the target html element the output is coming fine in IE but in FF(FireFox) is coming in html format(html tags) IE output : [URL] FF output : [URL]
javascript functions :
function PostWebRequest(postPage, HTMLTarget, parameter) {
displayElement = $get(HTMLTarget);
displayElement.innerHTML = "<div style='text-align:center;'><br /><br /><br /><br /><br /><img src='images/ajax-loader.gif' algin='center' /></div>";
var wRequest = new Sys.Net.WebRequest();
wRequest.set_url(postPage);
wRequest.set_httpVerb("POST");
var body = parameter;
wRequest.set_body(body);
wRequest.get_headers()["Content-Length"] = body.length;
wRequest.add_completed(onWebRequestCompleted);
wRequest.invoke();
}
function onWebRequestCompleted(executor, eventArgs) {
if (executor.get_responseAvailable()) {
if (document.all) {
displayElement.innerHTML = executor.get_responseData();
}
else {
displayElement.textContent = executor.get_responseData();
}
}
else {
if (executor.get_timeOut()) {
alert("Timed Out");
}
else {
if (executor.get_aborted())
alert("Aborted");
}
}
}
View 1 Replies
Aug 27, 2010
I have implemented a custom ModelMetadataProvider so that I can decorate my view models with some custom attributes and everything was working fine until I made use of a Partial View. The following code in my view works fine: -
<%: Html.DisplayFor(x => x.Results) %>
Results is a List which renders a custom display template and is also decorated with a custom attribute. Using breakpoints, after the above line and prior to the code within the custom display template, the overridden CreateMetadata method in my custom ModelMetadataProvider is invoked. If I look at the attributes collection parameter I can see that it does contain my custom attribute thus everything working as expected. However, if I replace the above with the following line of code in my view then it breaks: -
<% Html.RenderPartial("ApplicationSearchResults", Model.Results, new ViewDataDictionary()); %>
All the Partial View contains is: -
<%: Html.DisplayFor(x => x) %>
Again using breakpoints, after the above line and prior to the code within the custom display template, the overridden CreateMetadata method in my custom ModelMetadataProvider is invoked. But this time if I look at the attributes collection parameter my custom attribute is not there.
View 4 Replies
Oct 17, 2010
how can i add title and meta tags for content pages in a project base on master and content page(dinamically) ?
i used the blow method for master page :
[code]....
and the error is :(in line *)
Error 17 'System.Web.UI.MasterPage' does not contain a definition for 'SetMetaTags' and no extension method 'SetMetaTags' accepting a first argument of type 'System.Web.UI.MasterPage' could be found (are you missing a using directive or an assembly reference?)
View 3 Replies
Oct 24, 2010
I have to break a HTML content string in to multiple lines. And each line should have some fixed characters, 50 or 60 Also I don't want to break the word..or html tags...
ex : <p>Email: <a href="mailto:someone@gmail.com">someone@gmail.com</a></p>
<p><em>"Text goes <font color=red>Hello world</font> Text goes here and Text goes here Text goes here 1976."</em> </p>
How can I acheive this in C#?
View 1 Replies
Jan 31, 2011
How can I remove all html tags and script tags? consider also short tags like unclosed tags
<script>blah...</script>
<body> aaa<b>bbb</body>
This should return aaa bbb.
notice that all the contents inside the script tag is ignored.
View 3 Replies
Jun 11, 2010
I'm using a jQuery modal form to gather some information about a user and then redirecting them to another view. However, my submit button will not fire because none of the content is rendering inside the form tags on the generated output.
Here is my code:
[Code]....
[Code]....
[Code]....
View 1 Replies
Jan 8, 2011
I currently have three masterpages and content pages in the following hierarchy: One root-level masterpage that displays the final result. Call this "A" Two sibling pages that don't reference each other but contain all the same contentplaceholder elements, just in a different order with different <div>'s surrounding them. Both reference the root-level masterpage. Call these "B1" and "B2". Several content pages that reference one or the other sibling master pages above (not both). Call these "C1" through "C-whatever".
Cn => B1 => A
Cm => B2 => A
This hierarchy works fine. Desired Setup What I want to do is add in a new level to this hierarchy (a new master page) between the content pages and the sibling masterpages. Basically so it's like this: One root-level masterpage that displays the final result. Two sibling pages plus a third sibling. Call it B3 A new middle masterpage that dynamically 'chooses' one of the sibling masterpages. The desired behaviour is to pass through the content given by C directly to Bn without modifying it. The only thing D actively does is choose which Bn. Call this new masterpage D. Several content pages that reference the new middle master page instead of the old siblings. The challenge to this is, I'm working within the confines of a rather complex product and I cannot change the original two sibling masterpages (B1 and B2) or content pages (C) in any meaningful way.
I want:
Cn => D => B1 => A
Cm => D => B2 => A
Ck => D => B3 => A
Essentially, D should "pass through" all it's content to whichever B-level masterpage it chooses. I can't put this logic in the C-level pages. Additional Details All B-level pages have the same content/contentplaceholder tags, just ordered and styled differently. D can be as convoluted as it has to be, so long as it doesn't require modifying C or B. I'm using ASP.Net 2.0
View 1 Replies
Sep 23, 2010
I programatically add meta tags to the head of each page using htmlhead, specifying the name and content. I now need to add new meta tags with property and content.
View 1 Replies
Feb 1, 2010
I'm building an asp.net app using themes, and I've assigned a theme to the app using the web config.
I have a bookmark icon that I want to use for my page and it is located in the themes directory, but I am having trouble referencing the themes location from a link tag in my header.
First I tried putting a code block inside the link tags href element, which did not work. Instead all it did was html encode the <% characters and output it directly to the browser:
<link rel="shortcut icon" href="/App_Themes/<%=Page.Theme %>/images/bookmark.ico" type="image/x-icon" runat="server"/>
I am able to put a code block inside an element in an hr tag though, so I don't know why it won't work in a link tag:
<hr test="<%=Page.Theme %>"/>
Then I tried doing a Response.Write inside the head tag, but I got an error saying the Controls collection cannot be modified because the control contains code blocks:
<% Response.Write("<link rel="shortcut icon" href="/App_Themes/" + Page.Theme + "/images/bookmark.ico" type="image/x-icon"/>"); %>
I also tried it just with a string literal, and got the same error:
<%= "<link rel="shortcut icon" href="/App_Themes/" + Page.StyleSheetTheme + "/images/bookmark.ico" type="image/x-icon"/>" %>
Is there any way to reference something from the themes directory inside the link tag?
I'm trying to do this in both an ASP.NET 2 and an ASP.NET 2 MVC app.
View 3 Replies
Jul 20, 2010
[code]...
I have something like this. I want to make "Package Recap" invisible when the page is loaded. It is in the .
View 1 Replies
Sep 9, 2010
I'm trying to run the templated user control example provided by MSDN. Code is as follows:
So according to MSDN this should implement as follows:
[code]...
Designer complains that content is not allowed between the opening and closing tags of TemplatedFirstControl and that FirstTemplate is not supported. So what's missing? I duplicated MSDN's code verbatim
MSDN Article: [URL]
View 1 Replies
Jan 30, 2010
I will be getting data through wcf service coming form commerce server (instead of DB). Data which is coming will be in the form big html content with all html tags or may be a single line sentence. I should display this dynamic data into the placeholder in the content page (master content page). I have been trying but not able to load when the data is in the form of HTML page. html content or may be single lline of senetence.
View 3 Replies
Jun 27, 2010
how can i use basic html tags(h1,h2 and <p>) in code behind.
View 4 Replies
Mar 8, 2011
For the last time I've been using EWS MAPI to connect to Exchange Server. After this is done I access my mails and firstly display their body (which contains a LOT HTML-tags) in a gridview. After you select a record of that gridview the body is shown in a freetextbox.
View 3 Replies
Sep 2, 2010
I have a text area in my ASP.NET web application that is used to enter html code. Now there is also an button control, which upon clicking should retrieve just the text placed between certain html tags in the text box. For example:
1) User types html code including tags etc. and clicks the OK button
2) In my code the text from the text area is retrieved and only the part between a <p></p> tag should be saved to a string object.
I can obviously get the text from the text area and attach it to a string object but I am not able to work out how to just get text within a certain html tag like <p></p>
View 2 Replies
Feb 12, 2010
I want to get some data from html tags in a web page. For example I have a web site that's got [URL], this is text which I want to split. I want to first URL, First text thats between in first span tags and last text that's between the last span tags.
How can I do this with C# ASP.NET 2.0 (not 3.5)?
<a class="tablolinkmetin" target="_blank" href="http://www.iwantthisurl.com/test/2010/subat/12022010_adli_krrnme.htm">
<img alt=icon src="images/icon/ok.gif" border=0 width="7" height="8">
<span class=tablolink>
<span class="genelgeler_mbaslik">I want this text.</span>
</span>
<span class="tablolinkaltyazi"><br>and i want here</span>
</a>
<img src="images/icon/cizgi.png" width="260" height="1"><br>
View 2 Replies
Feb 25, 2011
I'm very new to ASP.net. I have a c# content page, in which I want to inset this code half way down within the HTML:
<%
HttpResponse r = Response;
r.Write(HttpContext.Current.Request.ServerVariables["SERVER_NAME"]);
%>
But when I view the page, this content comes out first, before even the tag.
how to get this code inline instead?
View 5 Replies
May 8, 2010
I am getting unlikely html tags for hidden fields in my website when redirecting to the page. I do not get it all the time but I am getting it frequently. e.g.: I was support to get
<input type="hidden" name="__EVENTTARGET"
id="__EVENTTARGET" value="" />
but I am getting something like
tyinput type="hidden" name="__EVENTTARGET"
id="__EVENTTARGET" value="" />
and this error is displayed in top of the page.
View 3 Replies
Jun 19, 2010
I am trying to build a white list. I am using html agility pack to remove all tags I do not allow. however this only gets ride of these type of script tags
[Code]....
View 2 Replies
