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Hiding default validation mesage by MVC

Posted By:      Posted Date: September 09, 2010    Points: 0   Category :ASP.Net
I want to validate a 'Length' field to have only integer By default I am getting message The field Length must be a number. But I have to show l "Length is invalid. Minimum length can only contain numbers." How can I handle this?i tried to add  RegularExpressionAttribute on the propertyat  that time both my custome error message and the default message appread:(

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