saeedgharedaghi
دوشنبه 12 دی 1390, 17:50 عصر
هم میتوانید با عبارات با قاعده (regular expression) کار کنید و هم با توابع استاتیک کلاس string.
Regular Expression
string html = @"
<!DOCTYPE html PUBLIC '-//W3C//DTD XHTML 1.0 Strict//EN' 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd'>
<html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en'>
<head runat='server'>
<title></title>
<link href='~/Styles/Site.css' rel='stylesheet' type='text/css' />
<asp:ContentPlaceHolder ID='HeadContent' runat='server'>
<script>
dassdadasda
</script>
</asp:ContentPlaceHolder>
</head>
<body>
<form runat='server'>
<div class='page'>
<div class='header'>
<div class='title'>
<h1>
My ASP.NET Application
</h1>
</div>
<div class='loginDisplay'>
<asp:LoginView ID='HeadLoginView' runat='server' EnableViewState='false'>
<AnonymousTemplate>
[ <a href='~/Account/Login.aspx' ID='HeadLoginStatus' runat='server'>Log In</a> ]
</AnonymousTemplate>
<LoggedInTemplate>
Welcome <span class='bold'><asp:LoginName ID='HeadLoginName' runat='server' /></span>!
[ <asp:LoginStatus ID='HeadLoginStatus' runat='server' LogoutAction='Redirect' LogoutText='Log Out' LogoutPageUrl='~/'/> ]
</LoggedInTemplate>
</asp:LoginView>
</div>
<div class='clear hideSkiplink'>
<asp:Menu ID='NavigationMenu' runat='server' CssClass='menu' EnableViewState='false' IncludeStyleBlock='false' Orientation='Horizontal'>
<Items>
<asp:MenuItem NavigateUrl='~/Default.aspx' Text='Home'/>
<asp:MenuItem NavigateUrl='~/About.aspx' Text='About'/>
</Items>
</asp:Menu>
</div>
</div>
<div class='main'>
<asp:ContentPlaceHolder ID='MainContent' runat='server'/>
</div>
<div class='clear'>
</div>
</div>
<div class='footer'>
</div>
</form>
</body>
</html>
";
string pattern = @"<body\b[^>]*>(.*?)</body>";
Regex r = new Regex(pattern,RegexOptions.Singleline);
MatchCollection c = r.Matches(html);
string result=string.Empty;
foreach (Match m in c)
{
result += m.ToString();
}
Response.Write(result);
اینم کار با توابعstatic کلاس string
string html = @"
<!DOCTYPE html PUBLIC '-//W3C//DTD XHTML 1.0 Strict//EN' 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd'>
<html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en'>
<head runat='server'>
<title></title>
<link href='~/Styles/Site.css' rel='stylesheet' type='text/css' />
<asp:ContentPlaceHolder ID='HeadContent' runat='server'>
<script>
dassdadasda
</script>
</asp:ContentPlaceHolder>
</head>
<body>
<form runat='server'>
<div class='page'>
<div class='header'>
<div class='title'>
<h1>
My ASP.NET Application
</h1>
</div>
<div class='loginDisplay'>
<asp:LoginView ID='HeadLoginView' runat='server' EnableViewState='false'>
<AnonymousTemplate>
[ <a href='~/Account/Login.aspx' ID='HeadLoginStatus' runat='server'>Log In</a> ]
</AnonymousTemplate>
<LoggedInTemplate>
Welcome <span class='bold'><asp:LoginName ID='HeadLoginName' runat='server' /></span>!
[ <asp:LoginStatus ID='HeadLoginStatus' runat='server' LogoutAction='Redirect' LogoutText='Log Out' LogoutPageUrl='~/'/> ]
</LoggedInTemplate>
</asp:LoginView>
</div>
<div class='clear hideSkiplink'>
<asp:Menu ID='NavigationMenu' runat='server' CssClass='menu' EnableViewState='false' IncludeStyleBlock='false' Orientation='Horizontal'>
<Items>
<asp:MenuItem NavigateUrl='~/Default.aspx' Text='Home'/>
<asp:MenuItem NavigateUrl='~/About.aspx' Text='About'/>
</Items>
</asp:Menu>
</div>
</div>
<div class='main'>
<asp:ContentPlaceHolder ID='MainContent' runat='server'/>
</div>
<div class='clear'>
</div>
</div>
<div class='footer'>
</div>
</form>
</body>
</html>
";
int start = html.IndexOf("<body");
int end=html.IndexOf("</body>")+7;
html = html.Substring(start, end - start);
Response.Write(html);