How to add RequiredFieldValidator to a GridView ASP.NET

Well, it's an easy job just follow these addresses that will help you so much:

http://www.asp.net/learn/data-access/tutorial-19-cs.aspx
http://www.asp.net/learn/data-access/tutorial-13-cs.aspx
http://www.asp.net/learn/data-access/tutorial-12-cs.aspx
http://www.asp.net/learn/data-access/tutorial-17-cs.aspx

An additional comment: don't forget to convert the Edit, Cancel, Update button into a TemplateField too!

Proyecto de Constitución del Ecuador - 2008

Saludos ecuatorianos y más interesados en conocer la nueva Constitución del Ecuador (2008). Es muy importante que antes de decidir nuestro voto en Septiembre tengamos una idea de lo que se hizo en la Asamblea de Montecristi. Pueden descargar el proyecto de constitución haciendo click en el siguiente link:

Descargar proyecto de Constitución del Ecuador - 2008.

How to remove price and Add to cart button from Oscommerce

What is necesary to do, to remove price and Add to cart button from Oscommerce is:

First step: Get the stylesheet.css, it is on the root of catalog, in this file add at its end a class with any name and with the property display:none;

Like this:

.hideFeatures{display:none;}

Second step: Get new_products.php from catalog/includes/modules and find the variable p_price, find where is shown this variable in the html code and wrap this variable with span class="hideFeatures";

Also add the same span class to button_add_to_cart2.gifthe number can change according the language or any other thing.

Third step: From catalog/includes/modules also get the product_listing.php file and do the same than in the second step.

Fourth step: From catalog get products_new.php and specials.php and do the same.