Property progid doesn't exist : DXImageTransform

Question

This is CSS Code and CSS Validator saying Property progid doesn't exist : DXImageTransform and also

Parse Error DXImageTransform.Microsoft.gradient( startColorstr='#2a65a9', endColorstr='#0c407d',GradientType=0 );    
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#2a65a9', endColorstr='#0c407d',GradientType=0 );

Answer 1

Filter property only used for IE and to validate this code put it in "IE conditional comments" example below.

<!--[if IE]>
According to the conditional comment this is IE<br />
<![endif]-->