Difference between dataTable and pageBlockTable

Only standard style sheets can be used in apex:pageBlockTable tag in a Visualforce page. apex:pageBlockTable must be contained in apex:pageBlock or apex:pageBlockSection. If we want to add custom style sheets we have to use apex:dataTable tag in Visualforce page. Blog Post: Only standard style sheets can be used in apex:pageBlockTable tag in a Visualforce page. apex:pageBlockTable must be contained in apex:pageBlock or apex:pageBlockSection. If we want to add custom style sheets we have to use apex:dataTable tag in Visualforce page.