using (OleDbConnection connection = new OleDbConnection(csbuilder.ConnectionString))
            {
                connection.Open();

                //Вывод заданного диапазон в 1-ый DataGridView

                //Получаем конкретный диапазон
                string selectSql =String.Format(@"SELECT * FROM [{0}{1}0:{2}{3}]", nameList,startColumn,finishColumn, countRows);

                OleDbCommand excelDbCommand = new OleDbCommand(selectSql, connection);


                using (OleDbDataAdapter adapter = new OleDbDataAdapter(excelDbCommand))
                {
                    adapter.Fill(dataTable);
                    dataGridViewExcel.DataSource = dataTable;
                }

                //Вывод всех значений 1-ой строки (заголовок таблицы) в столбец 2-го DataGridView

                OleDbDataReader reader = excelDbCommand.ExecuteReader();
                reader.Read();
                List<string> nameColumns = new List<string>();

                for (int i = 0; i < reader.FieldCount; i++)
                {
                    nameColumns.Add(reader[i].ToString());
                }

                createColumnsDataGridView();

                foreach (string x in nameColumns)
                {
                    DataGridViewCell newCell = new DataGridViewTextBoxCell();//Create New Cell
                    DataGridViewCell newCell2 = new DataGridViewCheckBoxCell();//Create New Cell
                    DataGridViewRow newRow = new DataGridViewRow();//Create New Row
                    newRow.Cells.Add(newCell);//Add Cell to Row
                    newRow.Cells.Add(newCell2);//Add Cell to Row
                    newRow.Cells[0].Value = x;
                    newRow.Cells[1].Value =true;
                    dataGridView_NameColumn.Rows.Add(newRow);//Add Row To Datagrid

                }
                reader.Close();
                connection.Close();
            }