Dim obj As New MaskedEditExtender
        Dim objVal As New MaskedEditValidator
        Dim TBGVTemplete As New TextBoxGVTemplete("tbDataRiserve")


        obj.ID = "MaskedEditExtender1"
        obj.Mask = "99/99/9999"
        obj.MaskType = MaskedEditType.Date
        obj.TargetControlID = "ctl00_ContentPlaceHolder1_gvRiserve_ctl02_" & TBGVTemplete.nomeId
        obj.PromptCharacter = "_"

        objVal.ID = "MaskedEditValidator1"
        objVal.ControlToValidate = "ctl00_ContentPlaceHolder1_gvRiserve_ctl02_" & TBGVTemplete.nomeId
        objVal.ControlExtender = "MaskedEditExtender1"
        objVal.EmptyValueMessage = "La data è obbligatoria"
        objVal.InvalidValueMessage = "Formato data non valido"
        objVal.IsValidEmpty = "False"
        objVal.TooltipMessage = "Inserisci la data"