split the string with comma and save in the database i tried but it is not working

See more:

C#

for (int i = 0; i < datagridView.RowCount; i++)
     {
       for (int j = 2; j < datagridView.ColumnCount; j++)
       {
         if (datagridView[j, i].Value.ToString().Contains(","))
         {           
           string strvalue = datagridView[j, i].Value.ToString() + ", " + cb_Course.Text;
           string[] strarray = strvalue.Split('/');
           foreach(object obj in strarray)
           {
           //in that my insert query         
           }
         }
       }
     }

when i run the above code and save in the database.

record not saving what is the problem in my above code


My insert query as follows;

sql = "insert into Tb_SCh_TIme_Table([Sch_Date], [Session], [Course],[Faculty_Code])" + " values ('" + Convert.ToDateTime(datagridView.Rows[i].Cells[0].Value.ToString()) + "', " + int.Parse(datagridView.Rows[i].Cells[1].Value.ToString()) + ", '" + datagridView[j, i].Value.ToString() + "','" + datagridView.Columns[j].HeaderText.ToString() + "')";

what is the problem in my code , when i run in the datagridview two values are there in a cell as follows

REO,MFA

i want to split and save in the database.