private void ShowPreview(int rowsToShow)
{
var mData = FileReader.ReadFewLines(PathMasterFile, rowsToShow);
var tData = FileReader.ReadFewLines(PathTestFile, rowsToShow);
var delimiter = FindDelimiter(mData);
if (!string.IsNullOrEmpty(delimiter))
{
Delimiter = delimiter;
FileView.Delimiter = Delimiter == "\t" ? "\\t": Delimiter;
}
else
{
Delimiter = FileView.Delimiter;
}
HeadersRow = FindDataBeginning(mData);
FileView.HeadersRow = HeadersRow.ToString();
if (!LoadPreview(mData.ToList(), tData.ToList()))
{
FileView.ShowError("Error: Files have different number of columns.");
FileView.BlockLoad();
}
var headers = MasterPreviewContent.ElementAt(HeadersRow).ToList();
if (HeadersRow > 0)
{
WriteInfoMessage("Automatically skipped rows:", mData.Take(HeadersRow).ToArray());
}
FileView.CurrentFileName = Path.GetFileName(PathMasterFile);
FileView.DisplayFilePreview(headers, MasterPreviewContent.Skip(HeadersRow + 1).ToList());
}