Question: how to export data from datatable to csv file in c#?
Answer: public static void ToCSV(this DataTable dtDataTable, string strFilePath) { StreamWriter sw = new StreamWriter(strFilePath, false); //headers. for (int i = 0; i < dtDataTable. Columns. Count; i++) { sw. Write(dtDataTable. Columns[i]); if (i < dtDataTable. Columns.