ValidationAttribute.ErrorMessageString Property    
Definition
Important
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Gets the localized validation error message.
protected:
 property System::String ^ ErrorMessageString { System::String ^ get(); };protected string ErrorMessageString { get; }member this.ErrorMessageString : stringProtected ReadOnly Property ErrorMessageString As StringProperty Value
The localized validation error message.
Remarks
The error message string is obtained by evaluating the ErrorMessage property or by evaluating the ErrorMessageResourceType and ErrorMessageResourceName properties. The two cases are mutually exclusive. The second case is used if you want to display a localized error message.