Update Datatable to Database

 DataTable mDT_RptHead = new DataTable();
 mDT_RptHead = mDBHelper.GetTable("Select * from rptpo_head");
 mDBHelper.ExecuteSQLNonQuery("delete from rptpo_head");

 DataTable mDT_PoHead = new DataTable();
 mDT_PoHead = mDBHelper.GetTable("SELECT * FROM PO_HEAD WHERE PO_NO='D0003' AND             PO_DATE =CONVERT(DATETIME,'13/11/2011',103) and profcen_cd='1'");

if (mDT_PoHead.Rows.Count > 0)
  {
      DataRow newRow = mDT_RptHead.NewRow();
      mDT_RptHead.Rows.Add(newRow);
      foreach (DataRow row in mDT_PoHead.Rows)
          {
             foreach (DataColumn col in mDT_PoHead.Columns)
                   mDT_RptHead.Rows[0][col.ColumnName] = row[col];
          }
   }