October 2010
Intermediate to advanced
1920 pages
73h 55m
English
Content preview from ASP.NET 4 UnleashedBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
Start your free trial
Displaying Column Summaries
Imagine that you want to display a column total at the bottom of a column. In that case, you can handle the GridView RowDataBound event to sum the values in a column and display the summary in the column footer.
For example, the page in Listing 11.29 contains a GridView control that displays a summary column representing the total box office sales of all movies (see Figure 11.21).
Figure 11.21. Displaying a column summary.
Listing 11.29. SummaryColumn.aspx
The GridView control uses a TemplateField to represent the ...