What is the Difference between Eval() and Bind Methods

	Eval()	Bind()
1	Eval() Supports  one way Binding only.	Bind() Supports Two Way Binding.
2	Only Read data from Columns	Bind() we can Read & Write data From Column.
3	Eval() Control like the GridView or the FormView display Read only data using a label control	Bind () proper type of datasource, it will pull the altered values out of the GridView or other control .
4	Eval() Use without id control. Ex: <table><tr><td> <%#Eval("username")%> </td></tr></table>	Bind() Use Any Like any  Controls. Ex: <ItemTemplate>                         <asp:Label ID="lblUsername" runat="server" Text='<%# Bind("username") %>'></asp:Label> </ItemTemplate>