/// <summary>Returns true if the current value for the field with the fieldIndex passed in represents null/not defined, false otherwise.
/// Should not be used for testing if the original value (read from the db) is NULL</summary>
/// <param name="fieldIndex">Index of the field to test if its currentvalue is null/undefined</param>
/// <returns>true if the field's value isn't defined yet, false otherwise</returns>
public bool TestCurrentFieldValueForNull(Sheet1FieldIndex fieldIndex)
{
return(base.CheckIfCurrentFieldValueIsNull((int)fieldIndex));
}
/// <summary>Returns true if the original value for the field with the fieldIndex passed in, read from the persistent storage was NULL, false otherwise.
/// Should not be used for testing if the current value is NULL, use <see cref="TestCurrentFieldValueForNull"/> for that.</summary>
/// <param name="fieldIndex">Index of the field to test if that field was NULL in the persistent storage</param>
/// <returns>true if the field with the passed in index was NULL in the persistent storage, false otherwise</returns>
public bool TestOriginalFieldValueForNull(Sheet1FieldIndex fieldIndex)
{
return(base.Fields[(int)fieldIndex].IsNull);
}