The System.Web.UI.WebControls.ValidationDataType enumeration represents the different data types that the System.Web.UI.WebControls.CompareValidator and System.Web.UI.WebControls.RangeValidator controls can validate. When you specify a data type for validation control and the input control being validated passes validation, the value of the input control can be parsed to the specified data type.
A monetary data type. The value is treated as a decimal. However, currency and grouping symbols are still allowed.
A date data type. Only numeric dates are allowed. The time portion cannot be specified.
A double precision floating point number data type. The value is treated as a double.
A 32-bit signed integer data type. The value is treated as a int.
A string data type. The value is treated as a string.