Data binding in ASP.net eval and bind application examples _ Practical tips

Key words:

Data binding for Eval (single bound) items is typically used for data presentation. The reflection principle applied by the Eval data binding to return the data.
Bind (bidirectional binding) two-way data binding in addition to the presentation of data, but also to the interface data changes are automatically written back to the binding data source.

Eval

A one-way data binding that presents data from a data source to the interface. When we refer to data presentation, we must take into account the format of the data, such as date format. Of course, that's what eval is concerned about.

General Data binding

<% #Eval ("property name")%>

Data binding with data format

<% #Eval ("Property name", "{0: format string}")%>

Data binding with a format string

<% #Eval ("Property name", "home.aspx?id={0}")%>

Bind

General Data binding

<% #Bind ("property name")%>

Data binding with formatting

<% #Bind ("Property name", "{0: Data format}")%>