>Because they can hold any type.
>

May be you can convert both to string and then compare. Just a thought. Although it will not work, I think.

>>Why do you define them as public properties and of type object? Does Object implement IComparable interface? I doubt it, I think you need to use specific type for these properties.
>>
>>>I have this class:
>>>
>>>

>>>public class ReportColumn
>>>{
>>>    public string ColumnName { get; set; }
>>>    public object OriginalValue { get; set; }
>>>    public object ChangedValue { get; set; }
>>>    public bool IsChanged { get; private set; }
>>>
>>>    public void SetIsChanged()
>>>    {
>>>        IsChanged = false;
>>>
>>>        PropertyInfo[] sourceProperties = OriginalValue.GetType().GetProperties();
>>>        foreach (PropertyInfo pi in sourceProperties)
>>>        {
>>>            object originalProperty = OriginalValue.GetType().GetProperty(pi.Name).GetValue(this, null);
>>>            object changedProperty = ChangedValue.GetType().GetProperty(pi.Name).GetValue(comparisonObject, null);
>>>
>>>            IsChanged = (originalProperty != changedProperty);
>>>
>>>            if (IsChanged)
>>>            {
>>>                break;
>>>            }
>>>        }
>>>    }
>>>}
>>>
>>>

>>>
>>>I'm trying to set IsChanged, but the SetIsChanged method doesn't seem right. I want to compare the values of the OriginalValue and ChangedValue properties.
>>>
>>>What's the right way to do this?