C # uses SAP NCO3.0 to invoke the SAP RFC function interface

C # uses SAP NCO3.0 to invoke the SAP RFC function interface

Recently, the SAP RFC function was called using C #, and SAP provided the NCO3.0 component.

Download the component installation, and then refer to the "Sapnco.dll" and "Sapnco_utils.dll" two files.

Using SAP in the program. Middleware.connector;

See the following code specifically

Registering a client connection using the App. Config file configuration

 <?xml version= "1.0"?><configuration> <configSections> <sectiongroup name= "SAP. Middleware.connector "> <sectiongroup name=" clientsettings "> <section name=" destinationconfiguratio N "type=" SAP. Middleware.connector.rfcdestinationconfiguration,sapnco "/> </sectionGroup> </sectionGroup> </co Nfigsections> <sap.          middleware.connector> <ClientSettings> <DestinationConfiguration> <destinations> <add name= "Conn" user= "ky_pg01" passwd= "[email protected]" client= "002" sysnr= "ten" ashost= "192.168.0.22" LANG     = "ZH" group= "Public" max_pool_size= "5" ></add> </destinations> </DestinationConfiguration> </ClientSettings> </sap. Middleware.connector></configuration> 

Private Rfcdestination _rfcdestination = null;public DataTable DTR = new DataTable ();p ublic void registerdestination ()//                    Register Client {try {if (_rfcdestination = = null) {                _rfcdestination = Rfcdestinationmanager.getdestination ("Conn"); }} catch (Exception ex) {MessageBox.Show (ex).            Message); }} public string Invokerfcfunctiongetcompanyid (string datebegin, String dateend) {Irfcfunction            function = null; String str = string.            Empty;                try {function = _rfcdestination.repository.createfunction ("zky_fm_zm005b");//Call server function function. SetValue ("So_fkdat_b", datebegin);//incoming parameter function. SetValue ("So_fkdat_e", dateend);//incoming parameter function.                Setparameteractive (0, true); function. Invoke (_rfcdestination);//The function that executes the server call IRFCTable myrfctable = function.                GetTable ("it_zm005b");//RFC server function return value table struct name int lielement = 0; for (lielement = 0; lielement <= myrfctable.elementcount-1; lielement++) {Rfceleme                    Ntmetadata metadata = Myrfctable.getelementmetadata (lielement); Dtr. Columns.Add (metadata.                    Name);//Loop Create column} foreach (Irfcstructure dr in myrfctable)//Cyclic table structure Table { DataRow row = DTR.                    NewRow ();//Create New line for (lielement = 0; lielement <= myrfctable.elementcount-1; lielement++)                        {Rfcelementmetadata metadata = Myrfctable.getelementmetadata (lielement); Row[metadata. Name] = Dr. GetString (metadata. Name).                    Trim (); } DTR.                Rows.Add (row);            } This.dataGridView1.DataSource = DTR; } catch (Exception ex) {MessageBox.Show (ex.            ToString ());        } return str; }//call this in an event or method. Registerdestination (); This. Invokerfcfunctiongetcompanyid ("20120401", "20120901");

C # calls the SAP RFC function interface using SAP NCO3.0