Creating Templated Controls
A template enables you to customize the layout of a control. Furthermore, a template can contain expressions that are not evaluated until runtime.
The ASP.NET Framework supports two types of templates. First, you can create a one-way databinding template. You use a one-way databinding template to display data items. In a one-way databinding template, you use the Eval() expression to display the value of a data item.
Second, you have the option of creating a two-way databinding template. A two-way databinding template can not only display data items, but also can update data items. You can use the Bind() expression in a two-way databinding template to both display a data item and extract the value of a data item. ...
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