Difference between Eval and Bind

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Where should I use the Eval and and where should I use the Bind Expression in ASP.Net? Can anyone explain that to me in detail? I used the Eval in my grid to update, but when I press edit, the whole line is disappearing.

Posted 7-Oct-10 0:59am

Rajesh Yerramsetti

Updated 7-Oct-10 1:10am

Johnny J.

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Eval() is used when data is read only. If data can be updated then Bind() is used.

Posted 7-Oct-10 1:04am

demouser743

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Suthish Nair · Accepted Answer · 2010-10-07T01:16:00

For a read-only (one way databinding) databound control, they are the same (I'm guessing Bind has slightly more overhead since it has more functionality, but I can't confirm that).

For 2 way databinding (using a datasource in which you want to update, insert, etc with declarative databinding), you'll need to use #Bind.

Simple as that. Eval is read only, Bind allows for data to go two ways.

Why dont do a simple google search?

eval bind difference:

http://www.google.co.in/search?q=eval+bind+difference&rls=com.microsoft:en-us&ie=UTF-8&oe=UTF-8&startIndex=&startPage=1&redir_esc=&ei=RKutTNzTK4yCvgOi-uT0Bg[^]