"Andrew" <And***@discussions.microsoft.com> wrote in message
news:B15D16B0-938B-435C-B381-48FAA0C9E0C4@microsoft.com...
> Hello, friends,
>
> The following function works fine if the classSource has relatively
> smaller
> number of properties. However, it would give an exception when its number
> of
> properties gets bigger, say about 100.
>
> Any ideas?
> If this does not work, then, what is the better way to copy data from one
> class to another one (they have part of properties the same)?
>
> Thanks a lot !
>
> ------------------------------
> The exception is:
>
> Exception has been thrown by the target of an invocation.
> Source: mscorlib
> StackTrace:
>   at System.RuntimeMethodHandle._InvokeMethodFast(Object target, Object[]
> arguments, SignatureStruct& sig, MethodAttributes methodAttributes,
> RuntimeTypeHandle typeOwner)
>   at System.RuntimeMethodHandle.InvokeMethodFast(Object target, Object[]
> arguments, Signature sig, MethodAttributes methodAttributes,
> RuntimeTypeHandle typeOwner)
>   at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags
> invokeAttr, Binder binder, Object[] parameters, CultureInfo culture,
> Boolean
> skipVisibilityChecks)
>   at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags
> invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
>   at System.Reflection.RuntimePropertyInfo.SetValue(Object obj, Object
> value, BindingFlags invokeAttr, Binder binder, Object[] index, CultureInfo
> culture)
>   at System.Reflection.RuntimePropertyInfo.SetValue(Object obj, Object
> value, Object[] index)
>   at Utility.CopyClassData(Object classSource, Object classTarget) in
> C:\UtilityFactory\Utility.cs:line 431
>
>
> And here are the source code.
>
>
>        internal static void CopyClassData(object classSource, object
> classTarget)
>        {
>            Type typeInfoSource = classSource.GetType();
>            PropertyInfo[] propertiesSource =
> typeInfoSource.GetProperties();
>
>            Type typeInfoTarget = classTarget.GetType();
>            PropertyInfo[] propertiesTarget =
> typeInfoTarget.GetProperties();
>
>            foreach (PropertyInfo propertySource in propertiesSource)
>            {
>                foreach (PropertyInfo propertyTarget in propertiesTarget)
>                {
>                    if (String.Compare(propertySource.Name,
> propertyTarget.Name, true) == 0)
>                    {
>                        System.Object propertyValue =
> propertySource.GetValue(classSource, null);
>                        propertyTarget.SetValue(classTarget, propertyValue,
> null);
>                    }
>                }
>            }
>        }
>