Kami akan mengirimkan ke Email Anda berupa Source Code Proyek lengkap dari Program Bengkel berbasis Visual Basic dan MySQL ini, kode programnya dapat Anda modifikasi lagi sepenuhnya, Anda dapat menambah atau mengurangi bagian programnya dengan mudah lewat software Visual Basic 6.
Thanks Paul, Application-scoped settings are stored in either the machine.config or app.exe.config files. Machine.config is always read-only, while app.exe.config is restricted to read-only for most applications. In other words it really is a read-only (default) setting. Any read-write settings typically require storage in user-scoped settings such as the user.config where user is the user name of the person currently running the app.
Default settings can be applied there as well using the DefaultSettingsValueAttribute and values are always updatable by that user. User-scoped settings can be stored in app.exe.config files, in which case they are treated as static defaults. After i use this setting in my project.
Im getting 18 messages after debug Message 1 Could not find schema information for the element ‘userSettings’. C: bengkel 2 QuizViaSMS QuizViaSMS app.config 30 6 QuizViaSMS Message 2 Could not find schema information for the element ‘QuizViaSMS.My.MySettings’. C: bengkel 2 QuizViaSMS QuizViaSMS app.config 31 10 QuizViaSMS Message 3 Could not find schema information for the element ‘setting’. C: bengkel 2 QuizViaSMS QuizViaSMS app.config 32 14 QuizViaSMS Message 4 Could not find schema information for the attribute ‘name’. C: bengkel 2 QuizViaSMS QuizViaSMS app.config 32 22 QuizViaSMS Message 5 Could not find schema information for the attribute ‘serializeAs’. C: bengkel 2 QuizViaSMS QuizViaSMS app.config 32 36 QuizViaSMS Message 6 Could not find schema information for the element ‘value’.
C: bengkel 2 QuizViaSMS QuizViaSMS app.config 33 18 QuizViaSMS Message 7 Could not find schema information for the element ‘setting’. C: bengkel 2 QuizViaSMS QuizViaSMS app.config 35 14 QuizViaSMS Message 8 Could not find schema information for the attribute ‘name’. C: bengkel 2 QuizViaSMS QuizViaSMS app.config 35 22 QuizViaSMS Message 9 Could not find schema information for the attribute ‘serializeAs’. C: bengkel 2 QuizViaSMS QuizViaSMS app.config 35 32 QuizViaSMS Message 10 Could not find schema information for the element ‘value’. C: bengkel 2 QuizViaSMS QuizViaSMS app.config 36 18 QuizViaSMS Message 11 Could not find schema information for the element ‘setting’. C: bengkel 2 QuizViaSMS QuizViaSMS app.config 38 14 QuizViaSMS Message 12 Could not find schema information for the attribute ‘name’. C: bengkel 2 QuizViaSMS QuizViaSMS app.config 38 22 QuizViaSMS Message 13 Could not find schema information for the attribute ‘serializeAs’.
C: bengkel 2 QuizViaSMS QuizViaSMS app.config 38 38 QuizViaSMS Message 14 Could not find schema information for the element ‘value’. C: bengkel 2 QuizViaSMS QuizViaSMS app.config 39 18 QuizViaSMS Message 15 Could not find schema information for the element ‘setting’. C: bengkel 2 QuizViaSMS QuizViaSMS app.config 41 14 QuizViaSMS Message 16 Could not find schema information for the attribute ‘name’. C: bengkel 2 QuizViaSMS QuizViaSMS app.config 41 22 QuizViaSMS Message 17 Could not find schema information for the attribute ‘serializeAs’. C: bengkel 2 QuizViaSMS QuizViaSMS app.config 41 38 QuizViaSMS Message 18 Could not find schema information for the element ‘value’. C: bengkel 2 QuizViaSMS QuizViaSMS app.config 42 18 QuizViaSMS but my project can run.
How can i solve this messages?? A very nice and clear article indeed. When an.EXE is installed for a second or more time does it read from the user.config or from the App.config/appName.exe. I am asking because at that stage the user.config file already exists.
I got this puzzle in this example. I set the of NewInstallation to True.
Then after installation, the value is set to False and saved, sothat when the app runs it always detect a False value for NewInstalltion. However, wwhen I install the project it does detect NewInstallation to be True on the fiirst installation. When you remove the app and re-install, it always detect a False value for NewInstallation and therefore crashes. It seems to me that on subsequent installations, the.EXE file no longer reads from the App.config, but from the user.config, which unfortunately has been updated.
Please explain this puzzle. If this is the case, one has to delete the user.config file before doing any subsequent installations.
If this is the only solution, how then does one delete the user.config file? Thanks for clarifying this for me. Mike – Reinstalling should not change the method your application uses to retrieve settings or cause the errors you are experiencing. However, I have not tested this before and am very intrigued by your findings. Unfortunately I do not have time at the moment to research your question but would appreciate you posting again should you learn more about this.
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To be honest, I often bypass Microsoft’s approach to saving data in config files because most of my apps only need to use application level settings. User settings in a corporate context for me would typically be stored in a database table. So I often revert to simpler, more straightforward techniques such as: 1) Create a datatable to hold the settings, then save as and retrieve as xml since this is built right into the datatable methods. Be sure you save with schema such as. Dt.WriteXml(Path.Combine(sAppPath, “myappdatafile.xml”), XmlWriteMode.WriteSchema) The sAppPath can be obtained with something like sAppPath = My.Application.Info.DirectoryPath Datatables are great because you can easily loop through the rows, have as many values per row as needed and even pass single rows to methods as a DataRow. 2) Use the old tried and true INI file approach such as a simple text file with Name=Value pairs on each line.
You can retrieve this file into an array of strings with single line such as. Dim myappdata As String = File.ReadAllLines(sDataFilePath) Then loop through the array and split each line at the = character and store into a hashtable, list or object array. This is so easy to read and write to. Microsoft wanted to create a generic and universal approach to saving data and it does work but can often require much time to learn all the nuances. But if your needs are simple, then designing your own approach that you have complete control over.
To overcome the problem of losing all settings when updating the software you can use the My.Settings.Upgrade which reloads User settings from a previous version. I added a User setting entitled “ShouldUpgrade” and “Imports System.Configuration” to my application. I added the following code into the Sub New section of my application: – If My.Settings.ShouldUpgrade Then Dim instance As ApplicationSettingsBase instance = My.Settings instance.Upgrade My.Settings(“ShouldUpgrade”) = False My.Settings.Save End If This probably would work if added to the “MySettingsLoaded” section of the Settings code, instead of the application’s Sub New. You may find the following pages useful too: I’d also like to comment on the statement that Application settings are read-only; they are read-only if you use the format My.Settings.MyApplicationSetting, but if you use the format My.Settings(“MyApplicationSetting”) this is readable/writeable at run-time. I hope this helps. Solution in VS.2015 Put a new user variable in My.Settings MustSetUpdate, default True Put this code at initialization aplication If My.Settings.MustSetUpdate Then ‘ this copy the value of all MySettings variable from previous version My.Settings.Upgrade ‘ this is necessary for the very first run of aplication on a computer and prevent Update variables on each run. My.Settings.MustSetUpdate = False End If For each new version running first timp on a computer, MustSetUpdate is True (default value).
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