Hi Alexander,
I moved to new version 26.5 and here my results:
Please see:
Comparison(left-Csv, right-GeoPackage)
image.png (170.3 KB)
Test data(input/output/QGIS)
5330-Csv-GeoPacakge.zip (35.3 KB)
Thanks,...Rows.Count; i++) { var row = table.Rows[i]; double...ToDouble(row["Longitude"]); double lat = Convert.ToDouble(row["Latitude"]);...