private int InsertDataPhach1(int?id)
{
var listDanhSachThi = db.DanhSachThis.Where(m => m.IdKyThi == id).ToList();
DataTable table = new DataTable();
table.Columns.Add("SoPhach", typeof(string));
table.Columns.Add("IdDanhSachThi", typeof(double));
table.Columns.Add("IdKyThi", typeof(int));
string[] arrCode = proLogic.GenBeatcodeWithQuantity(listDanhSachThi.Count, 5);
for (int i = 0; i < arrCode.Length; i++)
{
table.Rows.Add(arrCode[i].ToString(), Convert.ToDouble(listDanhSachThi[i].IdDanhSachThi), id);
}
//copy du lieu
CopyDataByBulk(table);
//var countPhach = db.DanhSachPhachs.Where(m => m.IdKyThi == id).Select(m => m.SoPhach).Distinct().ToList().Count;
var countPhach = table.Rows.Count;
return(countPhach);
}