Develop Reference

C# - Convert HTML String to formated plain text

Is there a way to convert a html string for example content saved using a wysiwyg editor such as tinyMCE to formatted plain text i.e. retain line breaks.
I've been looking at the HTML Agility Pack but there are no examples that show how you can achieve something like the above.
Basically I want send content saved using tinyMCE in an email notification but i need to ensure any styles and formatting saved by tinyMCE don't break the styles in my HTML email hence the need to convert the content to plain text.
Any examples would be appreciated.

How to format pdf generated from repeater control in asp.net using iTextSharp

I am exporting data from my repeater control to pdf using iTextSharp. The pdf generated is in the tabular format with following heading columns:-
Sr No Product Installation-date Customer Mechanic
Now I want to modify the height and width of these columns in pdf.
Pls help how to do this using iTextSharp?

In the past I've used CSS for formatting iTextSharp PDF output. It has limited support for CSS but, as a web developer, I've found simplifying the design of the PDF and using the CSS features it does support was much easier than managing layout and formatting programmatically. To do this you must use iTextSharp's XMLWorkerHelper which offers support for parsing and rendering XHTML, where the simplest typical usage looks like:
XMLWorkerHelper.GetInstance().ParseXHtml(PdfWriter, PdfDocument, TextReader)
You can also specify a separate CSS file via an overload of this ParseXHtml
Here's a list of supported CSS in iTextSharp http://demo.itextsupport.com/xmlworker/itextdoc/CSS-conformance-list.htm. You can see that both width and height are supported for table cells (<td>)
So you could add some classes to your table cells in your repeater item template then prepend some of your own CSS to the response output. I assume you are changing response headers to convert your repeater to PDF output, you use the typical usage above passing in the response as the third parameter.

changing format of RichTextBox without selecting any text

I would like to create a Richtextbox which load a huge file (several pages of text in some format) and based on format it formats the text (let's say it display html).
I found how to change format of text using selection, but that is very slow and resource expensive. Is there a way to append a preformatted text to Rich Text Box? So that I can format each element and then append it.

This might help you if not the answer you are looking for
But RichTextBox.CanPaste Method determines whether you can paste information from the Clipboard in the specified data format. Please see link the for the System.Windows.Forms.DataFormats it will support

Invoice Print in vb.net or c#

I'm making a simple one-form Invoice bill printing, below is the screenshot to illustrate it.
I want to generate a report from the existing form after entering the data, simply static without database. Only the combo-box values are fetched from the database.
How can I generate that report after clicking the print button. The resultant report should not have combo-box, it should simply have a label instead of it.

I would always prefer to generate html files as reports. Its very flexible and printer friendly.
Create a html template with place holders and just replace with your required data.

You can do it via html like cloudlight suggest. But I have done it in another way using richtextboxcontrol. This is the link for the class file.
http://support.microsoft.com/kb/812425
I did receipt printing for POS machine before, I found it very easy to create a rtf file as my template. Then using the richtextboxcontrol, i read in the rtf file content, and replace the segment I want to changes.
For example, if name is a variable, in my rtf file, I would put something like <NAME>, after reading, all I need to do is to use string.replace.
Depends on how you customized it, I did it to the extend that I was able to change single variable and multiple lines of item using the same template.

Html table (text) to image using C#

Can anyone point me to some sample code in C# for converting an html table to image? I know how to convert text to image but i need to create an image of well formatted text. The whole text is formatted in html table.

You can use the WebBrowser.DrawToBitmap method. Here is an example. So what I would do is create a page dynamically with the table you want, and nothing but the table, then use the DrawToBitmap method to save it to an image file.

Best is to use http://iecapt.sourceforge.net/

Converting HTML to bitmap is difficult task. You will need first a rendering engine capable of handling HTML and optionally javascript and css (in case you want to support them). Using a WebBrowser control could be done but there might be better ways.