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Microsoft Dynamics AX (Archived)

Getting an error on Enterprise portal live server - Date control post back event error

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When i tried to change the date using date control next or back button.. It gives an error.
Its only giving an error when we access EP Externally.

Internally It is working fine.

Error

Message: An unhandled error has occurred. To view details about this error, enable debugging in the web.config file or view the Windows event logs.

Source: System.Web

Exception details:

Invalid postback or callback argument. Event validation is enabled using <pages enableEventValidation="true"/> in configuration or <%@ Page EnableEventValidation="true" %> in a page. For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that originally rendered them. If the data is valid and expected, use the ClientScriptManager.RegisterForEventValidation method in order to register the postback or callback data for validation.

at System.Web.UI.ClientScriptManager.ValidateEvent(String uniqueId, String argument)
at System.Web.UI.Control.ValidateEvent(String uniqueID, String eventArgument)
at System.Web.UI.WebControls.Calendar.RaisePostBackEvent(String eventArgument)
at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)

Ep-Date-control-Error-1.PNGEp-Date-control-Error.PNG

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