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<ValidateInfo>
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      <DataType>Integer</DataType>
      <Require>true</Require>
      <Expression>range(1, 100)</Expression>
   </ValidateInfo>
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class ValidateInfo
{
      public string ControlName;
      public ValidationDataType DataType;
      public string ErrorMessage;
      public bool Require;
      public string Expression;
}
// ®ÕÅç±±¨î¶µ³Ð«Ø¤u¼t
public class ValidatorFactory
{
  CreateRequiredFieldValidator();
  CreateDateTypeCheckValidator();
  CreateRangeValidator(string min, string max);
  CreateCompareValidator(ValidationCompareOperator oper, string valueToCompare);
  ...
}
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   {
    Parse(ValidateInfo info, ValidatorFactory factory);
    ...
   }
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   public class ValidateHelper
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    LoadFromFile(Page page, string fileName)
   }






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