Page 11
VI, March 2005
HTML - Frames
http://www.htmlhelp.com/design/frames/whatswrong.html
What's wrong with frames?
In depth
Unaddressable resources
On the Web, everything can be accessed (or addressed, at least) using an Uniform Resource Locator (URL).
This makes it possible to link to anything, anywhere. At least, as long as the anything in question does not use
frames.
Totally incompatible
The general rule for HTML is that if an element is not understood by a browser, it should be ignored. This way,
a browser that does not understand the element can still show the rest of the document. The reader may miss
some of the meaning of the text, or get a document that is formatted a bit strangely. Unfortunately, this is not the
case with frames.
The FRAMESET and FRAME elements do not have textual content. A browser that does not support frames
will simply skip over these tags. But as there is nothing else to show, this browser would display nothing in
place! The NOFRAMES element allows an author to specify content for such a browser, but this often means
that the author has to do double work.
AVOID FRAMES !
Pdf data extraction open source - extract form data from PDF in C#.net, ASP.NET, MVC, Ajax, WPF
Help to Read and Extract Field Data from PDF with a Convenient C# Solution
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Pdf data extraction open source - VB.NET PDF Form Data Read library: extract form data from PDF in vb.net, ASP.NET, MVC, Ajax, WPF
Convenient VB.NET Solution to Read and Extract Field Data from PDF
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Page 12
VI, March 2005
HTML - Text formatting
Format
• <Hn> header (n to 6)
• <P> paragraph
• <CENTER> center
• <BR> line break
• <HR> horizontal rule
Lists <LI>
• <UL> unordered list
• <OL> ordered list
• <DL> definition list
<UL>
<LI>first line</LI>
<LI>second line</LI>
<LI>last line</LI>
</UL>
Style
• <B> bold
• <I> italic
• <PRE> fixed width text
deprecation
• <U>, <S>, <FONT>, 
• Use CSS !
C# PDF Text Extract Library: extract text content from PDF file in
using RasterEdge.XDoc.PDF; Please have a quick test by using the following C# example code for text extraction from PDF page. // Open a document.
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VB.NET PDF Page Extract Library: copy, paste, cut PDF pages in vb.
Except provides PDF page extraction method in VB.NET, this page also gives VB This VB.NET code below can help you extract all images from PDF. ' Open a document
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Page 13
VI, March 2005
HTML - Table formatting
<TABLE BORDER=1>
<CAPTION>A test table with merged cells</CAPTION>
<TR><TH ROWSPAN=2><TH COLSPAN=2>Average<TH ROWSPAN=2>other<BR>category<TH>Misc
<TR><TH>height<TH>weight
<TR><TH ALIGN=LEFT>males<TD>1.9<TD>0.003
<TR><TH ALIGN=LEFT ROWSPAN=2>females<TD>1.7<TD>0.002
</TABLE>
A test table with merged cells
/--------------------------------------------------\
         |      Average      |  other   |  Misc  |
|          |-------------------| category |--------|
|          |  height |  weight |          |        |
|-----------------------------------------|--------|
| males    |   1.9   |  0.003  |          |        |
|-----------------------------------------|--------|
| females  |   1.7   |  0.002  |          |        |
\--------------------------------------------------/
CAPTION
- Table caption
TR
- Table row
TH
- Header cell
TD
- Table cell
VB.NET PDF Text Extract Library: extract text content from PDF
'Please have a quick test by using the following example code for text extraction from PDF file in VB.NET program. ' Open a document.
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VB.NET PDF Image Extract Library: Select, copy, paste PDF images
below. DLLs for PDF Image Extraction in VB.NET. Document. Sample for extracting all images from PDF in VB.NET program. ' Open a document.
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Page 14
VI, March 2005
HTML - Table formatting
<TABLE>
• <CAPTION>…</CAPTION>
• <TR>
• <TH>…</TH>
• </TR>
• <TR>
• <TD>…</TD>
• </TR>
</TABLE>
Attributes:
• align, width, cellpading,
cellspacing, border
• colspan, rawspan, nowrap
• 
Tables within tables?
(http://www.isb-sib.ch)
C# PDF Image Extract Library: Select, copy, paste PDF images in C#
C# Project: DLLs for PDF Image Extraction. In Document. C# programming sample for extracting all images from PDF. // Open a document.
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C# PDF File Merge Library: Merge, append PDF files in C#.net, ASP.
Merge Microsoft Office Word, Excel and PowerPoint data to PDF form. PDF document splitting, PDF page reordering and PDF page image and text extraction.
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Page 15
VI, March 2005
HTML - Tables example
C# PDF Page Extract Library: copy, paste, cut PDF pages in C#.net
document processing SDK supports PDF page extraction, copying and The portable document format, known as PDF document, is file that allows users to open & read
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C# PDF Password Library: add, remove, edit PDF file password in C#
PDFDocument doc = PDFDocument.Open(intputFilePath, userPassword); // Define IsFillForm = true; // Content extraction is allowed true; // Add password to PDF file
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Page 16
VI, March 2005
HTML - Images
Images types:
• GIF87, GIF89, Animated
(Graphics Interchange Format)
• JPEG (Joint Photographic
Experts Group)
• PNG (Portable Network Graphic)
<IMG src="../images/logo.gif"
height=‘320’ width=‘576’>
GIF
• 256 indexed colors, interlacing,
transparency, animated, (logos, flat
colors)
JPEG
• 24 bits, 16.8 mio colors, no
interlacing or transparency, static,
(photographic images)
PNG
• 48 bits colorsinterlacing,
transparency, static, smaller files
Image Maps
• See links
C# PDF - Extract Text from Scanned PDF Using OCR SDK
Field Data. Data: Auto Fill-in Field Data. Field: Insert Recognize scanned PDF document and output OCR result to class source code for ocr text extraction in .NET
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C# TIFF: Use C#.NET Code to Extract Text from TIFF File
SDKs, C# users can easily add and perform text extraction functionality into Certainly, you may also render it to a PDF, Word or SVG Set the training data path
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Page 17
VI, March 2005
HTML - Links
Internal
• Allows redirection inside of (long) page
<A HREF="#nextchapter">click here</A>
...Some HTML code...
<A name="nextchapter"></A>
External
• Allows redirection to another page or site
<A HREF="http://www.expasy.ch"> click here</A>
E-mail
• Allows direct email
<A HREF="mailto:jean@isb.ch"> click here</A>
Image maps
• Allows clickable regions in an image
<IMG width="48" height="24" src="../images/map.gif" usemap="#anymapname">
<MAP name="anymapname"> <AREA href="otherpage.html" coords="33,2,43,22" shape="rect"> </MAP>
Page 18
VI, March 2005
HTML - Forms
Forms allow user to enter data and transmit them to the server
<FORM name="FormName" action="/cgi-bin/dea-test.pl" method="post">
...Some HTML code...
...With form tags...
</FORM>
GET or POST ?
(with the Get, all the form data is included in the URL. So we can directly access this program
without the form, by using the following URL:
http://www.
expasy
.org/
cgi
-bin/
mailform
/Swiss-Prot_Helpdesk&&
swiss
-
prot
@
expasy
.org
)
INPUT tag options:
• Text, Password, Hidden
• Radio
• Checkbox
• Submit, Reset
• File, Button, Image
Other tags
TEXTAREA
SELECT, OPTION
Page 19
VI, March 2005
HTML - Forms Example
Page 20
VI, March 2005
HTML - Forms Example source part 1
<html>
<head>
<meta http-equiv="content-type" content="text/html;charset=iso-8859-1">
<meta name="generator" content="Adobe GoLive 4">
<title>DEA: Example of a form</title>
</head>
<body bgcolor="#afeeee">
<center>
<form name="FormName" action="/cgi-bin/dea-test.pl" method="post">
<h1>Example of a form :</h1>
<hr width="580">
<p><b>Your name:</b> <input type="text" name="nom" size="24">
<b>Your password:</b> <input type="password" name="motdepasse"size="24">
</p>
<p><b>Your sex:</b>
male<input type="radio" value="homme" name="sexe">
female<input type="radio" value="femme" name="sexe">
<b>Your university:</b>
<select name="universite" size="1">
<option value="empty" selected>select please
<option value="unibas">Basel
<option value="unige">Geneva
<option value="unil">Lausanne
</select>
</p>
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