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Error: Invalid postback or callback argument.  Event validation is enabled using <pages enableEventValidation="true"/> in configuration or <%@ Page EnableEventValidation="true" %> in a page

Question asked by mastindianboy on Jan 1, 2019
Latest reply on Jan 3, 2019 by shrinivasnaik

 

Can Anyone help me in above issue, when I am binding drop-downs dynamically and select some value then this error comes. If value is not selected from those DDLs then items save successfully.

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