devxlogo

Using Explicit Casting to Display Data

Using Explicit Casting to Display Data

Suppose you’ve retrieved data from a datasource and you want to display the value of field1.

Normally, you’d do this by using the &lt%# DataBinder.Eval(Container.DataItem,”field1″) %&gt in the aspx/ascx file.

Internally, the DataBinder.Eval method uses reflection to evaluate the argument as well as the result. Thus, it incurs a performance penalty on the page.

An alternative way to accomplish this is by explicitly casting the Container.DataItem to DataRowView. Explicit casting offers better performance while avoiding the cost of Reflection.

Here’s an example:

devxblackblue

About Our Editorial Process

At DevX, we’re dedicated to tech entrepreneurship. Our team closely follows industry shifts, new products, AI breakthroughs, technology trends, and funding announcements. Articles undergo thorough editing to ensure accuracy and clarity, reflecting DevX’s style and supporting entrepreneurs in the tech sphere.

See our full editorial policy.

About Our Journalist