I was doing the exercises on page 558 and I looked at the HTML source code and I noticed a ton of viewstate material and it also says that it is VIEWSTATEENCRYPTED. Is that encryption as a result of the Entity Framework and the encryption routines and the validation controls?
What does <div class="aspNetHidden"> mean? Are there whole classes that are being hidden from the end user? Below is sample print out of the HTML from the genres.aspx page as it is discussed in the book from page 558

<div class="aspNetHidden">

<input type="hidden" name="__VIEWSTATEENCRYPTED" id="__VIEWSTATEENCRYPTED" value="" />
<input type="hidden" name="__EVENTVALIDATION" id="__EVENTVALIDATION" value="wfbPgXEtW/oesN2u7A5LAm6RHgOAzp3QfxjQTH8z51lNYiaYNc/PdCi1kmarTmOLaXmL5DBruj+AIj2uLIh5elxuc98Wdu5hiEV2I aC9jfkiUyr0vQNt0FzA92YGemrUR+E2RLzscY0xungdZo5O86L CGdL6iFeCdfCm8aDgRQqdUDbhDTz8+2knwBicww3LgP1EPEB8O n6VtYv4/k6UqXsZQwDJLkcmtr/lqyihwsUUvZ3eixvKdCFgFTVgNIDuc2XxZvJb8NUetnzUhpeOm x9Xl32zaFi/ofVxBm4I+dtyzhb+BBHzKQD4C6VS05ROURrIcn4Z3a77ALnhtS 4iX8a9ap50DVSC+giz96IsU1k5OBlUbmqtTovuzkhpqJ95jg9N tp7/+Gv1tEqM2ZEjJt1l69ZX7nPe66ZkAgHBIKWlll1/6G0Q4mt8g6zmTeeHpeWUohlzUQaLAxQU/qFq2hM/3AXNOB5VdWFrW6N2uHNsqq2DDWR9/cMhWSdia6aBEOWXWCoJo13+gk9w/DnRXctStrVhswTfQLwY41pzUDx5X+cng3AopHI0sxhfm1n+4vg gjhWQhTENczTr7e7AjGkMIbag33BffYGc63kVSCt9IB5yg0c0Q u8plq+BNR7nkVIOPvfakwHn2tjuFSo01TVegxzzhECNvRKEwjn a9z8qtL+ULL+ymeBHz4qDhDX2xQOh9KWrnMZJWpYDnyKL0dhZx/vo62Y/75HfiZp0HcUpORz2YUZc3k4xN5cv2F0kUEM5IXsB863Mp51DgQ JXFxGP+ngmkX+fn3tfg0n9EVSJgBh+g/RxdZVacOe/B3dTLYClZMU2GRRAKDPWulZD/cvPmYQjiOZAb9h71Z+7SfGI6pnOyR2+ftS70gOKj1Kjv2AqDP2 PrtvHEFE0LHjL0A==" />
</div>

No. EF has nothing to do with viewstate and encryption. What you see is part of the viewstate mechanism that ASP.NET uses, discussed extensively in Chapter 4.

It means nothing. To generate valid hidden fields, ASP.NET wraps them in a div element. To clearly identity that div it has been given a class name so you can target if you have a reason for it.

Google knows a lot more about this: https://www.google.com/#output=searc...=1050&bih=1272

Imar

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Imar Spaanjaars
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Author of Beginning ASP.NET 4.5 : in C# and VB, Beginning ASP.NET Web Pages with WebMatrix
and Beginning ASP.NET 4 : in C# and VB.
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