The two new properties(Page.MetaDescription and Page.MetaKeywords) are added to page class in ASP.NET4.0. In this article we will discuss about how to set/get page meta keywords/description data and also we will see in how many ways we can provide the data to meta keywords/description of page and priority of rendering to the client if we specify more than once in the webpage.
Advantage:Meta keywords, description tags were a great little tools
used by search engines to determine the rank of sites. So it’s always better to
provide Meta tags information on the page.
Page.MetaDescription – Gets or sets the content of the “discription”
Meta element.
Page.MetaKeywords - Gets or sets
the content of the “keywords” Meta element.
Using Page.MetaDescription and Page.MetaKeywords we can provide the input data from code behind file.The data
could be from database or file system.
We can set meta description/keyword properties in 3 ways
- Code behind (Using Page.MetaDescription and Page.MetaKeywords)
- Page directive( using MetaDescription and MetaKeywords attributes)
- Meta tag of head tag.( using meta names)
In the below example we will see how to
use above methods in a webpage.
Designer Page
|
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Page_MetaKeywords _MetaDescription.aspx.cs"
Inherits="ASPNET.Page_MetaKeywords__MetaDescription"
MetaDescription="MetaDescription
from Page directive"
MetaKeywords="MetaKeywords, from, Page, directive" %>
<html>
<head runat='server'>
<meta name="keywords" content="keywords,from,head,meta,tag" />
<meta name="description" content="description of page from head meta tag"
/>
</head>
<body>
<form runat="server">
<div>
<asp:Button ID="btnGetMetaKeywordsDesc" runat="server"
Text="Retrieve Page keywords and description"
onclick="btnGetMetaKeywordsDesc_Click" />
</div>
</form>
</body>
</html>
|
CodeBehind
|
public partial class Page_MetaKeywords__MetaDescription
: System.Web.UI.Page
{
protected
void Page_Load(object
sender, EventArgs e)
{
//setting
Meta tags data
Page.MetaKeywords = "MetaKeywords, from, Code, behind";
Page.MetaDescription = "MetaDescription from Code behind";
}
protected
void btnGetMetaKeywordsDesc_Click(object sender, EventArgs
e)
{
//reading
Meta tags data
Response.Write(Page.MetaDescription);
Response.Write(Page.MetaKeywords);
}
}
|
If we specify the meta data information more than once in a web page, in that case the priority of rendering the meta description/keywords data is
- Code behind
- Page directive
- Meta tags in head tag
Note: If we are using Page.MetaDescription and Page.MetaKeywords we must set runat=”server” for head tag.otherwise we will get error as
"Using the Description property of Page
requires a header control on the page. (e.g. <head runat="server"
/>)"
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