public static List <List <string> > ReadCsvFile(string fn, Encoding enc, int maxlines = -1)
{
List <List <string> > lines = new List <List <string> >();
int nline = 0;
StreamReaderEx.OpenSteamForRead(fn, enc, sr =>
{
while (!sr.EndOfStream && (maxlines <= 0 || nline < maxlines))
{
nline++;
var line = CsvFileHelper.GetLine(sr);
bool hasNullVal = true;
foreach (var fieldVal in line)
{
if (!string.IsNullOrEmpty(fieldVal))
{
hasNullVal = false;
break;
}
}
if (!hasNullVal)
{
lines.Add(line);
}
}
});
return(lines);
}
