SQLiteDataAdapter. Данные из DataTable (или DataSet) в sqlite через метод

DataTable dt_type = new DataTable();
SQLiteDataAdapter sda_type = new SQLiteDataAdapter();

string query = "select Id, Type, strftime('%d.%m.%Y', Date) as Date, Info from Type_tb";
sda_type = new SQLiteDataAdapter(query, myConn);
sda_type.Fill(dt_type);
dgv_Type.DataSource = dt_type;

dt_type.Rows.Add(null, cb_type.Text.Trim(), msk_type_date.Text.Trim(), tb_info.Text.Trim());

SQLiteCommand cmd = new SQLiteCommand("INSERT INTO Type_tb (Id, Type, Date, Info) VALUES(@Id, @Type, @Date, @Info)", myConn);
cmd_type.Parameters.Add("@Id", DbType.Int16, 10, "Id");
cmd_type.Parameters.Add("@Type", DbType.Int16, 10, "Type");
cmd_type.Parameters.Add("@Date", DbType.String, 10, "Date");
cmd_type.Parameters.Add("@Info", DbType.String, 100, "Info");
sda_type.InsertCommand = cmd;
sda_type.Update(dt_type);
dt_type.Clear();
sda_type.Fill(dt_type);

public string ConvertDate(string Date)
        {
            string FormatDestination = "yyyy-mm-dd";
            string FormatSource = "dd.mm.yy";
            DateTime Result = DateTime.ParseExact(Date, FormatSource, CultureInfo.InvariantCulture);
 
            return Result.ToString(FormatDestination);
        }

SQLiteCommand cmd = new SQLiteCommand("INSERT INTO Type_tb (Id, Type, Date, Info) VALUES(@Id, @Type, '" + ConvertDate(dgv_Type[2, dgv_Type.CurrentRow.Index].FormattedValue.ToString()) +"', @Info)", myConn);

SQLiteCommand cmd = new SQLiteCommand("INSERT INTO Type_tb (Id, Type, Date, Info) VALUES(@Id, @Type, @Date, @Info)", myConn);