Sir,
I have Repeater control on page and binded it dynamically from database. When I click on link button it showing me an error as
Validation of viewstate MAC failed. If this application is hosted by a Web Farm or cluster, ensure that <machineKey> configuration specifies the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster.
I have searched on google and got the solution as to add EnableEventValidation="true" ViewStateEncryptionMode="Always" EnableViewStateMac="true" at top. I have done but still getting same error...