Implementation of rdlc

The function in reportviewer is called through reflection to implement the nested function. It is tested and used in winform, and webform is not tested. I wonder if it can be used.

You cannot use reportviewer. setdisplaymode before using a set. After setting, two files will be printed out for unknown reasons.

1 Public   Static   Class Reportviewerext
2 {
3 ///   <Summary>
4 /// Print directly with the default printer.
5 ///   </Summary>
6 ///   <Param name = "reportviewer"> </param>
7 Public   Static   Void Directprint ( This Reportviewer)
8 {
9 Type reportviewertype = Reportviewer. GetType ();
10
11 Fieldinfo printfieldinfo = Reportviewertype. getfield ( " Print " ,
12 Bindingflags. nonpublic | Bindingflags. Instance | Bindingflags. getfield );
13 Canceleventhandler printevent = (Canceleventhandler) printfieldinfo. getvalue (reportviewer );
14 If (Printevent ! =   Null ) {Printevent (reportviewer, Null );}
15
16 Object createemfdeviceinfo = Reportviewertype. invokemember ( " Createemfdeviceinfo " ,
17 Bindingflags. nonpublic | Bindingflags. Instance | Bindingflags. invokemethod, Null ,
18 Reportviewer, New   Object [] { 1 , 1 });
19 Delegate createandregisterstream = Delegate. createdelegate ( Typeof (Createandregisterstream ),
20 Reportviewer, reportviewertype. getmethod ( " Createstreamemfprintonly " ,
21 Bindingflags. nonpublic | Bindingflags. Instance | Bindingflags. invokemethod ));
22 Type internalrenderingcompletedelegatetype =  
23 Reportviewertype. Assembly. GetType ( " Microsoft. Reporting. winforms. internalrenderingcompletedelegate " );
24 Delegate internalrenderingcompletedelegate = Delegate. createdelegate (internalrenderingcompletedelegatetype,
25 Reportviewer, reportviewertype. getmethod ( " Onrenderingcompleteprintonly " ,
26 Bindingflags. nonpublic | Bindingflags. Instance | Bindingflags. invokemethod ));
27 Type postrenderargstype = Reportviewertype. Assembly. GetType ( " Microsoft. Reporting. winforms. postrenderargs " );
28 Object postrenderargs = Activator. createinstance (postrenderargstype, False , True );
29 Object report = Reportviewertype. invokemember ( " Report " , Bindingflags. nonpublic | Bindingflags. getproperty |  
30 Bindingflags. instance, Null , Reportviewer, Null );
31 Object backgroundthread = Reportviewertype. invokemember ( " Backgroundthread " , Bindingflags. nonpublic |  
32 Bindingflags. getproperty | Bindingflags. instance, Null , Reportviewer, Null );
33 Backgroundthread. GetType (). invokemember ( " Beginrender " , Bindingflags. Public | Bindingflags. invokemethod |  
34 Bindingflags. instance, Null , Backgroundthread, New   Object [] { " Image " , True , Createemfdeviceinfo,
35 Createandregisterstream, internalrenderingcompletedelegate, postrenderargs, report });
36
37 Type reportdocumenttype = Reportviewertype. Assembly. GetType ( " Microsoft. Reporting. winforms. reportprintdocument " );
38 Object currentreport = Reportviewertype. invokemember ( " Currentreport " , Bindingflags. nonpublic |  
39 Bindingflags. getproperty | Bindingflags. instance, Null , Reportviewer, Null );
40 Object filemanager = Currentreport. GetType (). invokemember ( " Filemanager " , Bindingflags. getproperty, Null ,
41 Currentreport, Null );
42 Object pagesettings = Reportviewertype. invokemember ( " Pagesettings " , Bindingflags. nonpublic |  
43 Bindingflags. getproperty | Bindingflags. instance, Null , Reportviewer, Null );
44 Object pagesettingsclone = (Icloneable) pagesettings). Clone ();
45 Constructorinfo = Reportdocumenttype. getconstructor (bindingflags. nonpublic |  
46 Bindingflags. instance, Null , New Type [] {filemanager. GetType (), pagesettings. GetType ()}, Null );
47
48 Printdocument document = (Printdocument) constructorinfo. Invoke ( New   Object [] {Filemanager, pagesettingsclone });
49
50 Document. documentname = (String) Report. GetType (). invokemember ( " Displaynameforuse " , Bindingflags. nonpublic |  
51 Bindingflags. getproperty | Bindingflags. instance, Null , Report, Null );
52 Document. printersettings = (Printersettings) reportviewertype. invokemember ( " Createdefaprintprintsettings " ,
53 Bindingflags. nonpublic | Bindingflags. invokemethod | Bindingflags. instance, Null , Reportviewer, Null );
54 Document. printersettings. printrange = Printrange. allpages;
55 Document. Print ();
56 }
57 }