store data of qul statment in a array7

DataTable docData= new DataTable();
using (SqlConnection con = new SqlConnection(connectionString))
{
    con.Open();
    using (SqlDataAdapter da = new SqlDataAdapter("SELECT emp_name FROM employee", con))
    {
        da.Fill(docData);
    }
}
//storing the datatable into multidimensional array
string[,] results = new string[doows.Count, docData.Columns.Count];

for (int rowCount = 0; rowCount < docData.Rows.Count; rowCount++)
{
  for (int colCount = 0; colCount < docData.Columns.Count; colCount++)
  {
    results[rowCount, colCount] = docData.Rows[rowCount][colCount].ToString();
  }
}