Datagrid View Header Show as Row Wise

var tbl = dset.Tables["Stock"];
var swappedTable = new DataTable(); 
for (int i = 0; i <= tbl.Rows.Count; i++)
{
 swappedTable.Columns.Add(Convert.ToString(i)); 
} 
for (int col = 0; col < tbl.Columns.Count; col++) 
{ var r = swappedTable.NewRow(); 
  r[0] = tbl.Columns[col].ToString();
  for (int j = 1; j <= tbl.Rows.Count; j++)
    r[j] = tbl.Rows[j - 1][col];
  swappedTable.Rows.Add(r); 
} 
dataGridView1.DataSource = swappedTable;

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