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/SQL/SQLite Fetch values with Recordset
Function:
Required plugins for this example: MBS SQL Plugin
You find this example project in your Plugins Download as a Xojo project file within the examples folder: /SQL/SQLite Fetch values with Recordset
This example is the version from Thu, 6th Apr 2016.
Project "SQLite Fetch values with Recordset.rbp"
Class App Inherits Application
Const kEditClear = "&Löschen"
Const kFileQuit = "Beenden"
Const kFileQuitShortcut = ""
EventHandler Sub Open() // use internal sqlite library call InternalSQLiteLibraryMBS.Use // reference SQLDatabaseMBS here, so linker includes the plugin needed for RecordSet dim db as new SQLDatabaseMBS dim con as SQLConnectionMBS dim cmd as SQLCommandMBS try con = new SQLConnectionMBS // connection object // where is the library? 'con.Option(con.kOptionLibrarySQLite) = "/usr/lib/libsqlite3.0.dylib" // connect to database dim path as string if TargetMacOS then path = "/tmp/test.db" // put the database in the temporary folder else path = "test.db" // for Windows and Linux in the current folder the application is inside. end if con.Connect(path,"","",SQLConnectionMBS.kSQLiteClient) cmd = new SQLCommandMBS(con, "Select fid, fvarchar20 from test_tbl") // create command object // Select from our test table cmd.Execute // now get as RecordSet and process dim r as RecordSet = cmd.AsRecordSet while not r.EOF dim fid as integer = r.Field("fid").IntegerValue dim fvarchar20 as string = r.Field("fvarchar20").StringValue window1.Listbox1.AddRow str(fid) window1.Listbox1.cell(window1.Listbox1.LastIndex,1)=fvarchar20 r.MoveNext wend // commit changes on success con.Commit MsgBox "Rows selected!" catch r as SQLErrorExceptionMBS // SAConnection::Rollback() // can also throw an exception // (if a network error for example), // we will be ready try // on error rollback changes if con<>nil then con.rollback end if catch x as SQLErrorExceptionMBS // ignore end try // show error message MsgBox r.message end try End EventHandler
End Class
Class Window1 Inherits Window
Control Listbox1 Inherits Listbox
ControlInstance Listbox1 Inherits Listbox
End Control
End Class
MenuBar MenuBar1
MenuItem FileMenu = "&Ablage"
MenuItem FileQuit = "#App.kFileQuit"
MenuItem EditMenu = "&Bearbeiten"
MenuItem EditUndo = "&Rückgängig"
MenuItem UntitledMenu1 = "-"
MenuItem EditCut = "&Ausschneiden"
MenuItem EditCopy = "&Kopieren"
MenuItem EditPaste = "&Einfügen"
MenuItem EditClear = "#App.kEditClear"
MenuItem UntitledMenu0 = "-"
MenuItem EditSelectAll = "&Alles auswählen"
End MenuBar
End Project

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The items on this page are in the following plugins: MBS SQL Plugin.




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