C# implements simple examples for reading and writing xml files

//DataTable DateSet can be used to read and write xml dataprotected voidButton1_Click(object sender, EventArgs e)
{
  DataTabledt = new DataTable("Employee");
  DataColumndcID = new DataColumn("ID", typeof(string));
  DataColumndcName = new DataColumn("NAME", typeof(string));
  DataColumndcAGE = new DataColumn("AGE", typeof(string));
  DataColumndcDEPT = new DataColumn("DEPT", typeof(string));
  (new DataColumn[] {dcID, dcName, dcAGE, dcDEPT });
  DataRowdr = ();
  dr["ID"]= "3";
  dr["NAME"]= "chen";
  dr["AGE"]= "21";
  dr["DEPT"]= "Technology Department";
  (dr);
  DataSetds2 = new DataSet();
  (dt);
  DataSetds = new DataSet();
  ((""));
  (ds2);//Merge data  ((""));
  (GetType(), "", "alert('Writing successfully')",true);
}
protected voidButton2_Click(object sender, EventArgs e)
{
  DataSetds = new DataSet();
  ((""));
   = ds;
  ();
}