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  • 9 years ago


    iam developing an application

    and in user controls iam using grid views with datakeyname parameters

    iam not using any web farmers.

    but iam getting an exception: 



    Validation of viewstate MAC failed.If this application is hosted bya Web Farmer or cluster,ensure that <machineKey> configuration specifies the same validationKey and validation algorithm.Autogenerate cannot be used in a cluster

  • 9 years ago

    hi raj,

     Try this

    set true to EnableViewStateMac in page directive

    <%@page EnableViewStateMac =true %>

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