How to maintain the list of all the exceptions in a List<> object in C#?

Hi,

I need to maintain a list of all exceptions in a List<> object. In the attached code below, I have a method 'Import' which will invoke another method 'SetField' in a for loop and I need to be able to capture any exceptions and continue with invoking the 'SetField' for the rest of the items. In the calling program, I need to check if there are any errors as below. But I am not able to access the list 'ErrorMessages' on the 'errors' object in the calling program. I am missing something here. Can anybody please provide any suggestions? Thank you.

//Calling program
Fields f = new Fields();
f.Import();
if(errors.ErrorMessages.Count > 0)
{
//loop through each message here.
}

public class Exceptions
    {
        List<string> ErrorMessages = new List<string>();

        public void Add(string field, int instance, string error)
        {
            ErrorMessages.Add(string.Format("Error '{0}' occured while setting the field {1} and instance {2}", error, field, instance));
        }
    }


class Fields
{

public Exceptions errors { get; set; }

public void Import()
{
	
	foreach(var item in fields)
	{
		try
		{
			SetField(item.field, item.instance)
		}
		catch(Exception x)
		{
			errors.Add(item.field, item.instance, x.Message)	
		}
	}
}

}

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