Apply colours for the list items in sharepoint 2010 designer by using dataview when condtion is correct

In sharepoint we can specify the items in colourfull form when the condtion is correct by using dataview ,To know about data view see the concept of data view in my blog page .

click the link below to see simple video on filling colours on listitems

Data View in sahrepoint 2010 uing Designer

You can quickly create a customized view of live data, called a Data View. You can use a Data View to view data from a wide variety of sources, including database queries, XML documents, Web services, SharePoint lists and libraries, and server-side scripts.

Putting images ,list in webparts of sharepoint 2010 by using tables

A Web Part is an Sharepoint 2010 server control that is added to a Web Part Zone on Web Part Pages by users at run time. Web Parts are an integrated set of controls for creating Web sites that enable end users to modify the content, appearance, and behavior of Web pages directly from a browser. The Web Parts control set is a group of components that work together to enable developers to create Web pages where users can modify the user interface (UI) directly from a browser. The UI controls all derive from the Part class, and they compose the primary UI on a Web Parts page.

Sharepoint 2010 Email validation

In Sharepoint we need to have the email validation in the list forms under some circumstance to complete the task,Email validation helps the   user in not entering wrong email .In other way
Email validation means to check an email address against certain rules to verify its existence. Generally email address validation is done through Format Check, Mail Host Check and Username Check. Note that although the SMTP check can determine whether an email address is bad or not, it cannot guarantee an address is valid as not all mail servers provide notification of invalid user names.

Check out this video on email valition to know how to perform validation in