C#

<fleet>
  <auto type="car">boss's limo</auto>
  <auto type="truck"/>delivery truck</auto>
  <auto type="car">employee's rusty corvair</auto>
</fleet>

public class AutoClass { ... }

[XmlRoot("fleet")]
public class FleetClass 
{
  [XmlElement("auto")
  public AutoClass[] Vehicles { ... }
}
public class CarClass : AutoClass { ... }
public class TruckClass : AutoClass { ... }

XmlSerializer s = new XmlSerializer( typeof( FleetClass ) );
TextReader r = new StreamReader( "example.xml" );
FleetClass myFleet = (FleetClass)s.Deserialize( r );
AutoClass[] myVehicles = myFleet.Vehicles;

jonhbt wrote:

it is very urgent

   DataTable dtAllEmps = new DataTable();<br />
                dtAllEmps = cetData.GetALLEmployessByDate(conString, sensors);<br />
<br />
<br />
                foreach (DataRow dataRow in dtAllEmps.Rows)<br />
                {<br />
                    if(dtCSV.Rows.Count == 0)<br />
                    {<br />
                        DataRow newRow = dtCSV.NewRow();<br />
                        newRow["UserID"] = dataRow["USERID"];<br />
                        newRow["Department"] = dataRow["DEPTNAME"];<br />
                        newRow["Date"] = dataRow["CHECKTIME"];<br />
                        newRow["Name"] = dataRow["NAME"];<br />
                        newRow["CheckType"] = dataRow["CHECKTYPE"];<br />
                        dtCSV.Rows.Add(newRow);<br />
                    }<br />
                    else<br />
                    {<br />
                        Console.WriteLine("User ID " + dataRow["USERID"].ToString());<br />
                        if (dataRow["USERID"].ToString() != "")<br />
                        {<br />
                            string strExpr = "UserID = " + dataRow["USERID"].ToString();<br />
                            Console.WriteLine("Expression " + strExpr);<br />
                            DataRow[] filteredRows = dtCSV.Select(strExpr);<br />
                           <br />
                            <br />
                            if (filteredRows.Count() == 1)<br />
                            {<br />
                                Console.WriteLine("Number of Rows  " + filteredRows.Count().ToString());<br />
                                DataRow csvRow = filteredRows[0];<br />
                                DateTime csvDate = Convert.ToDateTime(csvRow["Date"]);<br />
                                DateTime tableDate = Convert.ToDateTime(dataRow["CHECKTIME"]);<br />
                                Console.WriteLine("csvDate" + csvRow["Date"].ToString());<br />
                                Console.WriteLine("tableDate" + dataRow["CHECKTIME"].ToString());<br />
                                if (csvDate < tableDate)<br />
                                {<br />
                                    filteredRows[0]["Date"] = tableDate.ToString();<br />
                                    filteredRows[0]["CheckType"] = dataRow["CHECKTYPE"].ToString();<br />
                                    filteredRows[0]["Department"] = dataRow["DEPTNAME"].ToString();<br />
                                }<br />

<br />
string strExpr = "UserID = " + dataRow["USERID"].ToString();<br />
Console.WriteLine("Expression " + strExpr);<br />
DataRow[] filteredRows = dtCSV.Select(strExpr);<br />

"UserID = '" + datarow["USERID"].ToString() + "'";

jonhbt wrote:

the strange thing is that this process runs for most of the values but at a certain point in time it stops

DataColumn Column1 = new DataColumn("Name");
               DataColumn Column2 = new DataColumn("Department");
               DataColumn Column3 = new DataColumn("Date");
               DataColumn Column4 = new DataColumn("UserID");
               DataColumn Column5 = new DataColumn("CheckType");

               dtCSV.Columns.Add(Column1);
               dtCSV.Columns.Add(Column2);
               dtCSV.Columns.Add(Column3);
               dtCSV.Columns.Add(Column4);
               dtCSV.Columns.Add(Column5);

DataColumn Column4 = new DataColumn("UserID",typeof(int));

private const int WMTaskbarLClick = 0x0210;
       bool b = true;

       protected override void WndProc(ref Message wndMessage)
       {


           switch (wndMessage.Msg)
           {
               case WMTaskbarLClick:
                   {
                       if (this.WindowState != FormWindowState.Minimized)
                           this.WindowState = FormWindowState.Minimized;
                       else
                           this.WindowState = FormWindowState.Normal  ;
                       break;
                   }
               default:
                   {
                       base.WndProc(ref wndMessage);
                       break;
                   }
           }
       }