c# - Blank form when running the application -

i trying run application read xml file , displaying in form. however, keeps giving me blank form without data. how display order data?

using system; using system.collections.generic; using system.componentmodel; using system.data; using system.drawing; using system.text; using system.windows.forms; using system.xml;  namespace readorder {     public partial class form1 : form     {         public form1()         {             initializecomponent();         }         private void form1_load(object sender, eventargs e)         {             stringbuilder orderlist = new stringbuilder();             orderlist.append("order list:").append(environment.newline);             int counter = 0;             // location of xml file             string xmlfilepath = @"..\..\orders.xml";              {                 // reference xmlreader object                 xmlreader reader = xmlreader.create(xmlfilepath);                 while (reader.readtofollowing("order"))                 {                     counter++;                     orderlist.append("order counter: " + counter + environment.newline);                     reader.readtofollowing("item");                     int itemcount = 1;                     orderlist.append("item: " + itemcount + reader.readelementcontentasstring() +                         environment.newline);                      while (reader.readtonextsibling("item"))                     {                         itemcount++;                         orderlist.append("item: " + itemcount + reader.readelementcontentasstring()                             + environment.newline);                     }                     reader.readendelement();                 }                  reader.close();                 console.writeline(orderlist);                 console.read();               }         }     } }     <?xml version="1.0" encoding="utf-8" ?> <orders>   <order orderid="1">     <orderdate>28/5/16</orderdate>     <buyerid>2</buyerid>       <item>     <itemid>100</itemid>     <itemname>memory card</itemname>     <description>300gb</description>     <quantities>1</quantities>     <unitprice>50.00</unitprice>     <remarks>nil</remarks>       </item>   </order>    <order orderid="2">     <orderdate>28/5/16</orderdate>     <buyerid>4</buyerid>       <item>     <itemid>101</itemid>     <itemname>samsung s6</itemname>     <description>black</description>     <quantities>1</quantities>     <unitprice>700.00</unitprice>     <remarks>nil</remarks>         </item>   </order>    <order orderid="3">     <orderdate>28/5/16</orderdate>     <buyerid>6</buyerid>       <item>     <itemid>102</itemid>     <itemname>samsung s7</itemname>     <description>gold</description>     <quantities>1</quantities>     <unitprice>899.00</unitprice>     <remarks>nil</remarks>        </item>   </order>  </orders> 

you missed catch block. every try block,need implement catch block.

try {  } catch(exception) {  }