Update DataForm.cs

sql2/Forms/DataForm.cs

@@ -64,7 +64,7 @@ namespace PaymentLogs
                         Payment payment = new Payment
                         {
                             Id = Convert.ToInt32(row.Cells["id"].Value),
-                            FCs = row.Cells["fcs"].ToString(),
+                            FCs = row.Cells["fcs"].Value.ToString(),
                             CourseId = Program.CourseRepository.ByName(row.Cells["course"].Value.ToString()).Id,
                             CoursePrice = Convert.ToInt32(row.Cells["course_price"].Value),
                             Paid = Convert.ToInt32(row.Cells["paid"].Value),