/// <summary>
/// Initializes a new instance of the RequiredFieldValidator class.
/// </summary>
public CompareValidator(string errorMessage, string optionalValidationGroup, Control controlToCompare, eValidationCompareOperator compareOperator)
{
this.ErrorMessage = errorMessage;
this.OptionalValidationGroup = optionalValidationGroup;
this.ControlToCompare = controlToCompare;
this.Operator = compareOperator;
}
/// <summary>
/// Initializes a new instance of the RequiredFieldValidator class.
/// </summary>
public CompareValidator(string errorMessage, string optionalValidationGroup, object valueToCompare, eValidationCompareOperator compareOperator)
{
this.ErrorMessage = errorMessage;
this.OptionalValidationGroup = optionalValidationGroup;
this.ValueToCompare = valueToCompare;
this.Operator = compareOperator;
}
internal static bool Compare(object leftValue, object rightValue, eValidationCompareOperator compareOperator)
{
if (compareOperator == eValidationCompareOperator.DataTypeCheck)
{
if (leftValue != null && rightValue != null)
return leftValue.GetType().Equals(rightValue.GetType());
else
return leftValue == rightValue;
}
if (leftValue == null && rightValue == null) return true;
if (leftValue == null || rightValue == null) return false;
if (!leftValue.GetType().Equals(rightValue.GetType()) && rightValue is string)
{
object temp = null;
if (ConvertRightToLeftType(leftValue, rightValue, out temp))
rightValue = temp;
}
if (!leftValue.GetType().Equals(rightValue.GetType()))
return false;
int compareResult = 0;
if (leftValue is string)
compareResult = ((string)leftValue).CompareTo(rightValue);
else if (leftValue is int)
compareResult = ((int)leftValue).CompareTo(rightValue);
else if (leftValue is double)
compareResult = ((double)leftValue).CompareTo(rightValue);
else if (leftValue is long)
compareResult = ((long)leftValue).CompareTo(rightValue);
else if (leftValue is DateTime)
compareResult = ((DateTime)leftValue).CompareTo(rightValue);
else if (leftValue is decimal)
compareResult = ((decimal)leftValue).CompareTo(rightValue);
else if (leftValue is Single)
compareResult = ((Single)leftValue).CompareTo(rightValue);
else if (leftValue is bool)
compareResult = ((bool)leftValue).CompareTo(rightValue);
else if (leftValue is TimeSpan)
compareResult = ((TimeSpan)leftValue).CompareTo(rightValue);
else if (leftValue is byte)
compareResult = ((byte)leftValue).CompareTo(rightValue);
else if (leftValue is char)
compareResult = ((char)leftValue).CompareTo(rightValue);
else if (leftValue is Guid)
compareResult = ((Guid)leftValue).CompareTo(rightValue);
else
return true;
switch (compareOperator)
{
case eValidationCompareOperator.Equal:
return (compareResult == 0);
case eValidationCompareOperator.NotEqual:
return (compareResult != 0);
case eValidationCompareOperator.GreaterThan:
return (compareResult > 0);
case eValidationCompareOperator.GreaterThanEqual:
return (compareResult >= 0);
case eValidationCompareOperator.LessThan:
return (compareResult < 0);
case eValidationCompareOperator.LessThanEqual:
return (compareResult <= 0);
}
return true;
}
