Web Forms :: Element 'title' Occurs Too Few Times
Mar 19, 2010
I have an error occuring on the <head> attribute. It's "Element 'title' occurs too few times"
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default3.aspx.cs" Inherits="Default3" %>
<%@ Register Assembly="RadAjax.Net2" Namespace="Telerik.WebControls" TagPrefix="rad" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<style type ="text/css">
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Jan 15, 2010
When I remove title tag in head tag and I use Title property in Page directive (<%@
PageLanguage="C#"Title="X" ..) It give "element title occurs too few times" error. Why I get this error?
</textarea></p>
<input type='hidden' name='ID[3]' value='193881' />
<input type='hidden' name='URL[3]' value='http://stackoverflow.com/questions/4498925/updating-screen-with-messages-from-a-thread-that-raises-events-asp-net' />
<input type='hidden' name='CAT[3]' value='ASP.NET' />
<input type='hidden' name='BOARD[3]' value='stackoverflow' />
<input type='hidden' name='P_DATE[3]' value='Dec 21 10 at 11:49' />
<input type='hidden' name='RANDOM[3]' value='qdu9TLaHL' />
[code]...
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Aug 4, 2010
I would like to know if someone can give me a good example of counting how many times each word is occuring in a string and then show the results
I have one example and I thought it worked well ......but as soon as a word appear more then twice it thows an error....so this code is not really working then
below is the code I have anyway...maybe someone can tweak it for me if possible.
[code]....
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Jan 7, 2010
This has got to be easy, but has got me stumped.How do I change an element on screen several times in one function?I want to change a label to read something like "starting..." at the beginning of my function, then go away and do some stuff and then change the label to "finished" at the end.
errorMessage.Text = "Three...";
System.Threading.Thread.Sleep(1000);
errorMessage.Text = "Two...";
System.Threading.Thread.Sleep(1000);
errorMessage.Text = "One...";
System.Threading.Thread.Sleep(1000);
errorMessage.Text = "Go!";
System.Threading.Thread.Sleep(1000);
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Mar 11, 2010
I want to position a button 2px to the left of a title span on my master page. The span can vary in size, and is centered in its containing div. How can I do this?
EDIT: Here is the code:
[code]....
EXPLANATION: The checkbox with togglebutton is to mark the page I am on as a favorite. I want this checkbox to be positioned 2px to the left of the TitleLabel span.
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Apr 29, 2010
I'm trying to optimize SEO readability on our websites and one issue I've come across is ASP.NET butchering the title element of my MasterPage. Entered as such in my MasterPage (manually reformatted to remove line breaks caused by the <% %> tags):
<title><asp:ContentPlaceHolder ID="TitleContent" runat="server" /> - <%=WebsiteSettings.WebsiteName %></title>
This is the output I receive:
[code]...
As you can see ASP.NET is adding preceding and trailing line breaks where the <asp:ContentPlaceHolder /> is substitute becaused Visual Studio auto-formats <asp:Content /> to start and end with a line break. Obviously, this can be prevented in the Visual Studio formatting options, but this is not ideal because I only would want to remove that behavior for the TitleContent placeholder and not the rest.
Is there any way I can ensure my Title is trimmed before it is rendered? I am using MVC so code-behind is not an acceptable option.
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Aug 25, 2010
i have a webform which has got required field validators. when the user doesnt enter values and clicks submit button it should not cause postback. i have set CausesValidation="True" on the submit button.hen the user clicks submit button without entering values, validation occurs( red * marks are shown) but the postback also occurs.
<asp:TextBox
ID="txtContact"
runat="server"
Width="290px"
CssClass="default"
[code]...
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Feb 19, 2010
Is there a way to retrieve values from the form object using the id element instead of the name element?
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Dec 9, 2010
How to Display Icon IN title bar of Browser with title?
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Mar 29, 2011
In my application I have the following message:Object reference not set to an instance of an object.
@Html.DropDownList("Title",ViewData["PersonTitle"] as SelectList, Model.Person.Title)
The dropdownlist contains simple strings (person titles). When you select a title, that title should be returned to my model. Controller code:
ViewData["PersonTitle"] = new SelectList(new[] { "Dhr.", "Mevr." });
Why is this not working ? Edit: The purpose is to change
@Html.EditorFor(model => model.Person.Title)
into something like this
@Html.DropDownList("Title",ViewData["PersonTitle"] as SelectList, Model.Person.Title)
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Aug 30, 2010
I got this errors while trying to use an example from the ASP.NET 3.5 Unleashed book.
Webform1.aspx
[Code]....
LengthValidator.cs
[Code]....
As from the book's note, I think I added this line correctly:
[Code]....
However, the compiler kept complaining that:
Warning 1 Element 'LengthValidator' is not a known element. This can occur if there is a compilation error in the Web site, or the web.config file is missing. C:Visual Studio 2010 ASP.NET ProjectsWebApplicationFourWebApplicationFourWebForm1.aspx 16 17 WebApplicationFour
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Apr 4, 2013
Element 'ScriptManager' is not a known element. This can occur if there is a compilation error in the Web site.
Element 'UpdatePanel' is not a known element. This can occur if there is a compilation error in the Web site.
tried many thingschecked web config filereinstalled ajaxtoolkit
but nothing is working
getting error in the whole projectalong with this getting error for other asp,net controls also
Element 'TextBox' is not a known element. This can occur if there is a compilation error in the Web site.
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Sep 29, 2010
I'm looking at an asp.net application, i notice that there are assemblies defined into two places. In web.config there is configuration/system.web/compilation/assemblies/add elements. In the project file there are references setup under the Project/ItemGroup/Reference elements.
I was wondering, what is the difference between assemblies/references added in either location?
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Jan 7, 2011
I have a table in ASP.Net like this.
[code]....
I want to give border line to first td element which contains the colspan and rowspan. Not to the entire row.
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Feb 2, 2011
I have noticed that when I create a website in a network drive and use the Ajax toolkit I get :
Element 'ToolkitScriptManager' is not a known element
I also noticed that after adding the ToolkitScriptManager it doesn't add the ID in the source code, it looks like this:
<asp:ToolkitScriptManager runat="server"></asp:ToolkisScriptManager>
Is missing the ID="ToolkitScriptManager1" part.
This doesn't happen when I create the site in my local drive. Is there a workaround to this. Even if I add the missing parts, I keep getting the same error.
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Dec 13, 2010
I would like to select an element that is in the same TR as another element I found with a selector. The selector itself: $("input[name='sMessageValue']","#messageTable") Now I have this element and got its value I would like to find a checkbox located in the same TR, i tried this as starting point : $(this).(':parent').val(). But seems not the right thing to do.
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Aug 22, 2010
You're making a website with ASP.NET 4.0/C#, although xml alone is suitable for this example. The site will have a site map and a default page with a menu control, as follows:Web.sitemap
<?xml version="1.0" encoding="utf-8" ?>
<siteMap xmlns="http://schemas.microsoft.com/AspNet/SiteMap-File-1.0" >
<siteMapNode url="~/default.aspx" title="Home" description="">
<siteMapNode url="~/1.aspx" title="Link 1" description="" />
<siteMapNode url="~/2.aspx" title="Link 2" description="" />
<siteMapNode url="~/3.aspx" title="Link 3" description="" />
[code]...
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Nov 3, 2010
Element 'content' is not a known element. this can occur if there is a compilation error in the website, or the web.config file is missing.
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">
<asp:Content --- showed a green wavy line , and on hover displayed the above error.
Now I am having certain problems.
1. Visual Studio 2010 hangs when I try to use ToolBox.
2. Intellisense for asp.net controls is not working.
I have tried replacing web.config file (frm backup) , tried to debug - it doesnt show anything.
All other websites are working alright. Have problem with only one of the websites.
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Jan 25, 2011
I upgraded from VS 2008 to VS 2010 and now the AJAX elements are not recognised by the source code editor, e.g. UpdatePanel, ScriptManager, etc. I get warnings in VS and no intellisense for those elements. When I run the site, all the AJAX controls work OK though.
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May 9, 2010
I am using dotnetCHARTING: the dll is installed in the GAC and referenced in my web.config (all versions appear to match). The project has a reference to the dll.
web.config:
<add assembly="dotnetCHARTING, Version=5.3.3540.17054, Culture=neutral, PublicKeyToken=af2cd47db69d93bd"/>
The site code compiles ok, but all aspx pages using the charting library complain that the Chart tag does not exist (warning that it might be a compile error). The aspx pages do not render the charts.
Each page has a reference to the assembly:
<%@ Register Assembly="dotnetCHARTING" Namespace="dotnetCHARTING" TagPrefix="dotnetCHARTING" %>
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Jun 30, 2013
What does that means below warning:
Element 'AsyncPostBackTrigger' is not a known element. This can occur if there is a compilation error in the Web site, or the web.config file is missing.
My app is working properly but visual studio showing warning like that.
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Nov 6, 2010
I have a page where user can create their account. I have several validation controls on the page.When user clicks submit button the message box pops up with appropriate messges(as configured in validation summary). But once users clicks the OK button, then the form submits. Ideally it shouldn't do it?
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Jan 14, 2014
I have a method which perform following task
1.save file to a folder
2.save data to database
3.send email to client
I want if any exception occur then non of them will work.
currently it save file even if there is some exception in databse connection or sending email. Which make my folder heavy.
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Jul 24, 2010
RangeValidator validation occurs on CancelCommand
[Code]....
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Dec 2, 2010
How can I display images randomly when a page refresh occurs? Images are stored as (image type) in a ms sql database.
Is it possible with the Image control in visual studio?
Table: id(int), img(image)
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