What is the Difference Between <%# j %> and <%= j %>

These are the two types constructs to access page-level variables in an ASP.NET web template: data binding syntax * Data binding—the hierarchical mapping of control properties to data container values—is specified by the &lt;%# … %&gt; tags. Code located within a &lt;%# … %&gt; code block is only executed when the DataBindmethod of its parent control container is invoked. code rendering syntax * The &lt;%= … %&gt; code tags output content to the browser. This content could be hard-coded, or it may contain page-level variables.