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Take a software geek from the 80s, add a new generation graphic designer and dilute with a longtime marketing strategist. Shake vigorously and you'll get the Idea R's blog.

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Tutorials on graphic design, advertising, photography, software development, web design, web marketing, web analytics and social media strategies.

Published on 1/19/2012
Categories: Web Design
A infographic sample with ASP.NET

Let's try to create a simple infographic starting from an XML file containing data about the carbon dioxide emissions in Europe.

To position the data on a map, we have to add the latitude and longitude fields for each european country (we have not to be precise).

To use the data we have to load them into an XML data source, using the System.Xml.XmlDataSource object, but the problem is that the object wants the record fields specified as node attributes.

...read all the article.

Published on 1/1/2012
Categories: Web Design
Tags: CSS, HTML, Tutorials
Dropdown menus with CSS

The dropdown menus can be easily created with CSS.
Either horizontal or vertical menus are built using unordered list, that is ul. The dropdown feature is created combining the hover pseudoclass along with the visibility property of nested lists.
The following example shows a horizontal menu where the items expand downward.

...read all the article.

Published on 12/24/2011
Categories: Web & Apps
How to clear the SqlDataSource cache

The SqlDataSource.EnableCaching property allows to save the results of a specific database query.
When the caching is activated, if you reset EnableCaching to false, the query result is not retrieved from the cache anymore but it's re-executed every time.
But surprisingly, if you reset EnableCaching to true again, the data is retrieved from the old cache.

...read all the article.

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