Gridview Template, Data-Binding in a Template asp.net

Gridview Template, Data-Binding in a Template asp.net

<Columns>
<asp:BoundField DataField="EmployeeID" HeaderText="Employee ID" ReadOnly="true"/>
<asp:BoundField DataField="FirstName" HeaderText="First Name"/>
<asp:BoundField DataField="LastName" HeaderText="Last Name"/>
<asp:TemplateField HeaderText="Birth Date">
<ItemTemplate>
<asp:Label ID="BirthDateLabel" Runat="Server"
Text='<%# Eval("BirthDate", "{0:d}") %>' />
</ItemTemplate>
<EditItemTemplate>
<asp:Calendar ID="EditBirthDateCalendar" Runat="Server"
VisibleDate='<%# Eval("BirthDate") %>'
SelectedDate='<%# Bind("BirthDate") %>' />
</EditItemTemplate>
</asp:TemplateField>
<asp:HyperLinkField Text="Show Detail"
DataNavigateUrlFormatString="~/ShowEmployeeDetail.aspx?EmployeeID={0}"
DataNavigateUrlFields="EmployeeID" />
</Columns>

Source: http://msdn.microsoft.com/en-us/library/ms228046.aspx