c#实现打印报表生成器，

<?xml version="1.0" standalone="yes"?> <ds_Orders xmlns="http://www.tempuri.org/ds_Orders.xsd"> <xs:schema id="ds_Orders" targetNamespace="http://www.tempuri.org/ds_Orders.xsd" xmlns:mstns="http://www.tempuri.org/ds_Orders.xsd" xmlns="http://www.tempuri.org/ds_Orders.xsd" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata" attributeFormDefault="qualified" elementFormDefault="qualified"> <xs:element name="ds_Orders" msdata:IsDataSet="true"> <xs:complexType> <xs:choice maxOccurs="unbounded"> <xs:element name="Orders"> <xs:complexType> <xs:sequence> <xs:element name="OrderID" type="xs:int" /> <xs:element name="CustomerID" type="xs:string" minOccurs="0" /> <xs:element name="OrderDate" type="xs:dateTime" minOccurs="0" /> <xs:element name="RequiredDate" type="xs:dateTime" minOccurs="0" /> <xs:element name="ShipName" type="xs:string" minOccurs="0" /> <xs:element name="ShipAddress" type="xs:string" minOccurs="0" /> <xs:element name="ShipCity" type="xs:string" minOccurs="0" /> <xs:element name="ShipCountry" type="xs:string" minOccurs="0" /> <xs:element name="ShipRegion" type="xs:string" minOccurs="0" /> </xs:sequence> </xs:complexType> </xs:element> </xs:choice> </xs:complexType> </xs:element> </xs:schema> <Orders> <OrderID>10333</OrderID> <CustomerID>WARTH</CustomerID> <OrderDate>1994-11-18T00:00:00.0000000+02:00</OrderDate> <RequiredDate>1994-12-16T00:00:00.0000000+02:00</RequiredDate> <ShipName>Wartian Herkku</ShipName> <ShipAddress>Torikatu 38</ShipAddress> <ShipCity>Oulu</ShipCity> <ShipCountry>Finland</ShipCountry> </Orders> <Orders> <OrderID>10248</OrderID> <CustomerID>VINET</CustomerID> <OrderDate>1994-08-04T00:00:00.0000000+03:00</OrderDate> <RequiredDate>1994-09-01T00:00:00.0000000+03:00</RequiredDate> <ShipName>Vins et alcools Chevalier</ShipName> <ShipAddress>59 rue de l'Abbaye</ShipAddress> <ShipCity>Reims</ShipCity> <ShipCountry>France</ShipCountry> </Orders> <Orders> <OrderID>10254</OrderID> <CustomerID>CHOPS</CustomerID> <OrderDate>1994-08-11T00:00:00.0000000+03:00</OrderDate> <RequiredDate>1994-09-08T00:00:00.0000000+03:00</RequiredDate> <ShipName>Chop-suey Chinese</ShipName> <ShipAddress>Hauptstr. 31</ShipAddress> <ShipCity>Bern</ShipCity> <ShipCountry>Switzerland</ShipCountry> </Orders> <Orders> <OrderID>10269</OrderID> <CustomerID>WHITC</CustomerID> <OrderDate>1994-08-31T00:00:00.0000000+03:00</OrderDate> <RequiredDate>1994-09-14T00:00:00.0000000+03:00</RequiredDate> <ShipName>White Clover Markets</ShipName> <ShipAddress>1029 - 12th Ave. S.</ShipAddress> <ShipCity>Seattle</ShipCity> <ShipCountry>USA</ShipCountry> <ShipRegion>WA</ShipRegion> </Orders> <Orders> <OrderID>10297</OrderID> <CustomerID>BLONP</CustomerID> <OrderDate>1994-10-05T00:00:00.0000000+02:00</OrderDate> <RequiredDate>1994-11-16T00:00:00.0000000+02:00</RequiredDate> <ShipName>Blondel père et fils</ShipName> <ShipAddress>24, place Kléber</ShipAddress> <ShipCity>Strasbourg</ShipCity> <ShipCountry>France</ShipCountry> </Orders> <Orders> <OrderID>10320</OrderID> <CustomerID>WARTH</CustomerID> <OrderDate>1994-11-03T00:00:00.0000000+02:00</OrderDate> <RequiredDate>1994-11-17T00:00:00.0000000+02:00</RequiredDate> <ShipName>Wartian Herkku</ShipName> <ShipAddress>Torikatu 38</ShipAddress> <ShipCity>Oulu</ShipCity> <ShipCountry>Finland</ShipCountry> </Orders> <Orders> <OrderID>10358</OrderID> <CustomerID>LAMAI</CustomerID> <OrderDate>1994-12-21T00:00:00.0000000+02:00</OrderDate> <RequiredDate>1995-01-18T00:00:00.0000000+02:00</RequiredDate> <ShipName>La maison d'Asie</ShipName> <ShipAddress>1 rue Alsace-Lorraine</ShipAddress> <ShipCity>Toulouse</ShipCity> <ShipCountry>France</ShipCountry> </Orders> <Orders> <OrderID>10359</OrderID> <CustomerID>SEVES</CustomerID> <OrderDate>1994-12-22T00:00:00.0000000+02:00</OrderDate> <RequiredDate>1995-01-19T00:00:00.0000000+02:00</RequiredDate> <ShipName>Seven Seas Imports</ShipName> <ShipAddress>90 Wadhurst Rd.</ShipAddress> <ShipCity>London</ShipCity> <ShipCountry>UK</ShipCountry> </Orders> <Orders> <OrderID>10372</OrderID> <CustomerID>QUEEN</CustomerID> <OrderDate>1995-01-04T00:00:00.0000000+02:00</OrderDate> <RequiredDate>1995-02-01T00:00:00.0000000+02:00</RequiredDate> <ShipName>Queen Cozinha</ShipName> <ShipAddress>Alameda dos Canàrios, 891</ShipAddress> <ShipCity>São Paulo</ShipCity> <ShipCountry>Brazil</ShipCountry> <ShipRegion>SP</ShipRegion> </Orders> <Orders> <OrderID>10378</OrderID> <CustomerID>FOLKO</CustomerID> <OrderDate>1995-01-10T00:00:00.0000000+02:00</OrderDate> <RequiredDate>1995-02-07T00:00:00.0000000+02:00</RequiredDate> <ShipName>Folk och fä HB</ShipName> <ShipAddress>Åkergatan 24</ShipAddress> <ShipCity>Bräcke</ShipCity> <ShipCountry>Sweden</ShipCountry> </Orders> <Orders> <OrderID>10397</OrderID> <CustomerID>PRINI</CustomerID> <OrderDate>1995-01-27T00:00:00.0000000+02:00</OrderDate> <RequiredDate>1995-02-24T00:00:00.0000000+02:00</RequiredDate> <ShipName>Princesa Isabel Vinhos</ShipName> <ShipAddress>Estrada da saúde n. 58</ShipAddress> <ShipCity>Lisboa</ShipCity> <ShipCountry>Portugal</ShipCountry> </Orders> <Orders> <OrderID>10463</OrderID> <CustomerID>SUPRD</CustomerID> <OrderDate>1995-04-04T00:00:00.0000000+03:00</OrderDate> <RequiredDate>1995-05-02T00:00:00.0000000+03:00</RequiredDate> <ShipName>Suprêmes délices</ShipName> <ShipAddress>Boulevard Tirou, 255</ShipAddress> <ShipCity>Charleroi</ShipCity> <ShipCountry>Belgium</ShipCountry> </Orders> <Orders> <OrderID>10474</OrderID> <CustomerID>PERIC</CustomerID> <OrderDate>1995-04-13T00:00:00.0000000+03:00</OrderDate> <RequiredDate>1995-05-11T00:00:00.0000000+03:00</RequiredDate> <ShipName>Pericles Comidas clásicas</ShipName> <ShipAddress>Calle Dr. Jorge Cash 321</ShipAddress> <ShipCity>México D.F.</ShipCity> <ShipCountry>Mexico</ShipCountry> </Orders> <Orders> <OrderID>10477</OrderID> <CustomerID>PRINI</CustomerID> <OrderDate>1995-04-17T00:00:00.0000000+03:00</OrderDate> <RequiredDate>1995-05-15T00:00:00.0000000+03:00</RequiredDate> <ShipName>Princesa Isabel Vinhos</ShipName> <ShipAddress>Estrada da saúde n. 58</ShipAddress> <ShipCity>Lisboa</ShipCity> <ShipCountry>Portugal</ShipCountry> </Orders> <Orders> <OrderID>10529</OrderID> <CustomerID>MAISD</CustomerID> <OrderDate>1995-06-07T00:00:00.0000000+03:00</OrderDate> <RequiredDate>1995-07-05T00:00:00.0000000+03:00</RequiredDate> <ShipName>Maison Dewey</ShipName> <ShipAddress>Rue Joseph-Bens 532</ShipAddress> <ShipCity>Bruxelles</ShipCity> <ShipCountry>Belgium</ShipCountry> </Orders> <Orders> <OrderID>10549</OrderID> <CustomerID>QUICK</CustomerID> <OrderDate>1995-06-27T00:00:00.0000000+03:00</OrderDate> <RequiredDate>1995-07-11T00:00:00.0000000+03:00</RequiredDate> <ShipName>QUICK-Stop</ShipName> <ShipAddress>Taucherstraße 10</ShipAddress> <ShipCity>Cunewalde</ShipCity> <ShipCountry>Germany</ShipCountry> </Orders> <Orders> <OrderID>10569</OrderID> <CustomerID>RATTC</CustomerID> <OrderDate>1995-07-17T00:00:00.0000000+03:00</OrderDate> <R