Platforms to show: All Mac Windows Linux Cross-Platform
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/MySQL Fetch values
This example is the version from Fri, 4th Aug 2016.
Project "MySQL Fetch values.xojo_binary_project"
Class App Inherits Application
Const kEditClear = "&Löschen"
Const kFileQuit = "Beenden"
Const kFileQuitShortcut = ""
EventHandler Sub Open()
dim con as SQLConnectionMBS
dim cmd as SQLCommandMBS
try
con = new SQLConnectionMBS // connection object
// where is the library?
// you can place the database client library files where you want.
// example code just has some convenient location for testing.
con.SetFileOption con.kOptionLibraryMySQL, SpecialFolder.UserHome.Child("libmysqlclient.dylib")
// connect to database (mySQL in our example)
// server: 192.168.1.80
// port: 3306
// database: test
// name: root
// no password
con.Connect("192.168.1.80,3306@test","root","",SQLConnectionMBS.kMySQLClient)
cmd = new SQLCommandMBS(con, "Select fid, fvarchar20 from test_tbl") // create command object
// Select from our test table
cmd.Execute
// fetch results row by row and print results
while cmd.FetchNext
dim fid as integer = cmd.Field("fid").asLong
dim fvarchar20 as string = cmd.Field("fvarchar20").asStringValue
window1.Listbox1.AddRow str(fid)
window1.Listbox1.cell(window1.Listbox1.LastIndex,1)=fvarchar20
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
See also:
The items on this page are in the following plugins: MBS SQL Plugin.