Using Two-Way DataBinding Expressions

The ASP.NET Framework actually supports two types of templates and two types of DataBinding expressions. The ASP.NET Framework supports both one-way DataBinding expressions and two-way DataBinding expressions.

Up to this point, we have used one-way DataBinding expressions exclusively. In a one-way DataBinding expression, you use the DataBinding expression to display the value of a data item. You use the Eval() method to display the value of a one-way DataBinding expression.

In a two-way DataBinding expression, you not only can display the value of a data item, you also can modify the value of a data item. You use the Bind() method when working with a two-way DataBinding expression.

For example, the page in ...

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