October 2010
Intermediate to advanced
1920 pages
73h 55m
English
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Using DataBinding Expressions
A DataBinding expression is a special type of expression not evaluated until runtime. You mark a databinding expression in a page by wrapping the expression in opening <%# and closing %> brackets.
A DataBinding expression isn’t evaluated until a control’s DataBinding event is raised. When you bind a DataBound control to a DataSource control declaratively, this event is raised automatically. When you bind a DataSource control to a data source programmatically, the DataBinding event is raised when you call the DataBind() method.
For example, the page in Listing 8.11 contains a DataList control that contains a template that includes two DataBinding expressions.
Listing 8.11. ShowDataList.aspx
The first DataBinding ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.