public override bool Validate(out Dictionary <string, string> errors)
{
errors = new Dictionary <string, string>();
if (string.IsNullOrEmpty(ColumnName))
{
errors.Add(nameof(ColumnName), "Column name is mandatory.");
}
if (ColumnName.HasTrailingSpaces())
{
errors.Add(nameof(ColumnName), "Trailing spaces are not allowed.");
}
return(errors.Count == 0);
}