Wpf - Saving User Config Data To XML And Relative URI Error
Mar 4, 2010
I am working on a program where some application config info is stored in a Userconfig.xml file. I am loading the file as an XMLDataProvider in the XAML via relative URI:
<XmlDataProvider x:Name="UserConfigDataSource" x:Key="UserConfigDataSource" Source="UserConfig.xml" d:IsDataSource="True"/>
I have a number of items throughout bound to elements in the document and an event handler that saves to the XMLDataProvider:
Private Sub SaveConfig(ByVal sender as Object, ByVal e as System.EventArgs)
'TODO: Add event handler implementation here
Dim SavePath As String = UserConfigDataSource.Source.LocalPath.ToString
[Code]....
When this executes I get the error "This operation is not supported for a relative URI". Is there a good way to produce an absolute URI (aside from getting the assembly executing location and trimming the executable filename from the end)? I expected this to be a somewhat simple procedure.
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Sep 23, 2009
I would like to commit the data put in a checkedlistbox to the user.config. I have found a way to commit them to my.settings but no matter what Save() method I call, it does not commit the new data (that is not bound to a control, through the propertybindings) to the user.config, either immediately or when I shutdown the application. Which means, when I loop through the settings when the application starts back up, the data is not there to be added back to the checkedlistbox. I have put save methods in the formclosing events as well as when the data is created in the my.settings. using my.mysettings, my.settings and my.settings.default. Thank you in advance for your input.
This first method is a called when a button is pushed. it checks the text and then calls the next method (AddProperty) which should add the property to my.settings and save it to user.config, but my understanding is that it is not written to the file till the applicatoin closes.
[code]...
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Sep 18, 2009
I have done a fair amount (days)of searching, before posting this,and cannot seem to find an answer.ata put in a checkedlistbox to the user.config. I have found a way to commit them to my.settings but no matter what Save() method I call, it does not commit the new data (that is not bound to a control, through the propertybindings) to the user.config either immediately or when I shutdown the application. Which means, when I loop through the settings when the application starts back up, the data is not there to be added back to the checkedlistbox. I have put save methods in the formclosing events as well as when the data is created in the my.settings
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Jun 9, 2010
So far i have a really basic form application that allows a user to enter some information and does a small calculation, displaying all of the information gathered on the final form.
Im looking to try to save this information but have no idea where to start,im trying to just take whatever is in my text field and put it in a table row. I created a one table database in Access and linked it to the form with a button to try and save it.
I thought it would be as simple as tablename.rowname = textbox.text or something but apparently not and all ive ended up with so far is this:
Private Sub btnSave_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSave.Click
Me.Validate()
Me.TblCustomerBindingSource.EndEdit()
Me.TblCustomertableadaptor.Update(Me.DatabaseDataSet.tblCustomer)
End Sub
I dont even think im close, ive just been fiddling with the predefined code in Visual Studio, trying import ect but the button just doesnt seem to do anything.
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Aug 21, 2011
I want to work on a project I have in mind and this envolves saving data which would need to be updated every time the user exits the program. I suppose I need to know how to save a file to a blank text document, and how to get the application to read the information when it is called for. I believe I need to set delimiters or such, the helpfile is useful, but limited and some information is not listed at all.
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Feb 10, 2012
Error "there is no row at position 1" when saving data from datatable to database. I have two relational tables like "tbleInvoice" and "tblInoiceDetail" .
tblInvoice is a Parent table and tblInvoiceDetail
is a child table where InvoiceID is a primary key of tblInvoice & foreign key of tblInvoiceDetail in the database.The problem is that when i click the save button the data will be saved into database but also showing Error "there is no row at position 1".my coding structure is an under
Try
Dim com As new OleDBConnection
com.Connection= DBConn[code].....
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Jul 9, 2011
I am getting an error of "There is no row at position 0." while saving the data to SQL CE, my code is as follows: -
Private Sub SaveButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles SaveButton.Click
Dim SQLDCC As String = "SELECT * FROM DCCData"
[Code]....
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May 10, 2009
I have used the following code to update the app.config file. The code works fine and didnt shown any exceptions, but values are not storing to app.config ?
[Code]...
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Aug 7, 2009
in vb.net i am trying to save application settings but for USER but i cannot find the user.config file
when does this file get created?
i searched my entire hardrive. i also searched the entire project.
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Jul 21, 2009
I have a VB 2003 project and I have saved dynamic settings in the app.config.exe file with success.I am using ColorDialog to change the color of textboxes. Everything works OK except I need to save the changes in the config file.I have success with saving changes for textbox.text but not colors.
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Feb 15, 2012
orking with vb 2010 and ms access as data base, just newbie.im trying to save the loged out date and time to my access table by selecting from tblloghist wherein my column SystemUserID is equal to my textbox SysID(located at my form) then it will save the timelogedout by getting the value of lbltime from my form. the problem is the data type property of my column SystemUserId is in autonumber so i got error saying "Data type mismatch in criteria expression"
Dim con As New OleDbConnection
con.ConnectionString = "Provider=microsoft.jet.oledb.4.0; data source =..systemsdb.mdb"
Dim ds As New DataSet
[code].....
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Mar 30, 2012
I'm I created a SQL Compact database for a program I'm working on and built the tables and forms. I'm trying to add the values entered into the textbox in to my SQL DB, but I keep getting the following Error Message.
"SqlException was unhandled:
A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified)" Below is my code....Its erroing at the cnx.open()
Private Sub btnSend_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSend.Click
Dim cnx = New SqlConnection(My.Settings.TestDBConnectionString)
Dim sQuery = "INSERT INTO tblMain (Date) VALUES (@Date)"[code]......
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Mar 9, 2009
rewriting a class I use for saving Treeview data to a XML file for use of saving ListView data I can't really figure out the rewrite, I'm stucked, unfortunately Listviews seems to be a big problem for me in general.
Option Strict On
''' <summary>
''' The TreeViewDataAccess class allows the nodes within a TreeView to be
''' persisted to xml for later retrevial.
''' </summary>
[Code]....
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Feb 7, 2012
The file structure is fine for retrieving data from the file but when I go to write data to the elements and hit any of the fixed array elements, I get an exception error. this has got to be a sytax problem I am just not seeing.
It seems that I am not addressing the array member correctly yet the same logic pulls it properly from existing records on file.
in a Module I have the structure as follows:
Structure INVOICE
<VBFixedString(6)> Public NUM As String
<VBFixedString(2)> Public SYMBOL As String
[Code]....
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Jan 12, 2010
I created a project in vb.net which is connected with database. The problem appeared when i changed the path which connect with the database, i made it relative. So some of the forms which contain the connection are working properly but in one form i got this error: [Code]
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Mar 10, 2010
I imported a website made in visual studio express 2008 to visual studio express 2010. When I run the home page I get the following error:"It is an error to use a section registered asallowDefinition='MachineToApplication' beyond application level. This error can be caused by a virtual directory not being configured as an application in IIS."
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Nov 20, 2010
I'm currently writing a program that needs to open a file specified by the user, replace a certain string of text with a different string of text, and save it to the user-specified path. Here's what I have so far:
Private Sub forceButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles forceButton.Click
Dim writer As New IO.StreamWriter(OpenChart1.FileName)
Replace("", "E *", "N 5 0")
End Sub
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Feb 12, 2012
Currently I am saving data from my applications by saving a text file via a stream reader as a string. I have come to a problem. In my current application, I have an array of the following structure:
[Code]...
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Nov 25, 2009
I've just started using user settings. This works ok however I'm having problems with the location of user.config.
When I run the project in Studio, user.config seems to be stored in a different place than when I build the project.
In fact every time I build it the location seems to change - users therefore lose their settings every time the project is built, which seems pretty useless.
The GUID & Assembly names etc do not change.
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Sep 1, 2009
the My.Settings data is saved in the AppDataLocal folder for a user based on company.Then, inside the company folder there will be a folder for any applications published by that company, which contain the user.config file for that program.
C:Documents and SettingsRobert BurkeLocal SettingsApplication DataSerysoftSysPad.exe_Url_qr40iotmbi1lvvl4b5lecnfpoqogr5uw
The thing is, the folder for each program has a string of random alphanumeric characters at the end. I noticed that on both my XP and Win7 machine, the string is the same. What I am wanting to do is save the user.config file, but the only way to do this, seemingly, would be to hardcode that folder into the path to get the user.config file from.
how that string is generated, and what may possibly cause it to change in other releases even though, so far, it has stayed the same for several of my releases. I don't want to release a version one day and the string change and then it break my program.
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Aug 6, 2010
Is there equivalent for getevn/setenv functions in VB.NET. I have looked at system.Environment.GetEnvironmentVariable but it gives the system environment variables like USERNAME, COMPUTERNAME etc. I need to get the variables that are stored in config.user file. Is there any way to do that in VB>NET.
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Sep 13, 2007
Somehow the User.Config file was corrupted for an instance of my VB .NET app. When access one of my user level config property (My.Settings.MyProp) I get the a ConfigurationErrorsException with the message "Configuration system failed to initialize." I looked at the User.Config file and found that it is empty, it can be opened but there is no XML text contained within.I would like to programmatically fix the file if an exception is seen. When I attempt to use any of my user level properties, I continue to get the same exception. I've tried calling the Reset() but that yeilds the same exception. I then tried Save() to see if it would write out a default version, but it appears to do nothing (the file is not updated). My.Settings appears to be useless at this point.How can I reinitialize the User.Config file to the default config settings without deleting the old file? I would think that there should be some mechanism for restoring this file back to its default. And how can I update/reinitialize the My.Settings instance so that I can access the properties normally?
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Nov 11, 2010
Not sure if this has been asked before (couldn't find an answer), but is there a way to reuse a user.config file from a previous version of the application? For example a user.config file is stored in:
C:UsersJohnnyAppDataLocalCompanyApplicationName.exe_Url_wxcnyrmstqy3oj1qwckdjq3gjqkq4fel1.0.0.0user.config After a new version is installed it gets stored in:
C:UsersJohnnyAppDataLocalCompanyApplicationName.exe_Url_wglmejvw01nagu5t1y5yl12chynjomny1.0.0.1user.config The user then has to enter all settings again, even if the new version does not save more settings. An other problem is that although the user.config file is very small, it does get messy after a while when newer versions of the application get installed. Is there a way to clean up the unused user.config files and their folders?
It's the same problem with System.Windows.Forms.Application.LocalUserAppDataPath, that I'd like to use to save other files (containing Listview data), which points to:
C:UsersJohnnyAppDataLocalCompanyApplication1.0.0.0 The Listview data and other files created by the app can't be used anymore.This can be solved by getting the user's appdata folder with Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) and creating a new folder there with the name of the application. But this means there's one folder where the application is installed (user can choose this folder in the installer), one folder to save my own files to and one folder where VB stores the user.config file.
Can something be done about this "mess" or is this just something I have to live with?
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Mar 26, 2012
I made a project in VB.NET 2008. When I update my project I change the assembly version but the problem is that when the user gets the new version they lose their user settings.[code]Note the version number in the path. Is there any way save in a location not affected by changing the version?
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Apr 25, 2012
I have a program that runs fine in the debugger. I started on the project in x86 mode this January and I've always been able to run it outside of the debugger, but this is the first time I've seen this error.The error says "ConfigurationErrorException was unhandled: Configuration system failed to initialize."The InnerException of the error said that the error was in the user.config file, and it gave me the directory of the user.config file that it was using. So I clicked synchronize in the project settings thinking that it would overwrite the current user.config file and that would probably fix the error. When it showed the confirmation dialog that it would delete the user.config file, I noticed that it had "vshost" in the directory.
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Mar 6, 2011
After reading through a bunch of stuff, I was curious what production developers use for config files. I know that there is an app.config file that can be modified by the user of the program w/ settings. I also know I can create my own .xml file or .ini file to store settings as well. I wanted to know from the production side, what do you use and why?
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Oct 23, 2010
How can I catch error if the data that user select not in database?
This is my code.[code...]
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May 18, 2009
I am just not happy with the fact that the user.config file gtets saved in the user's account folder. Is there a way to save it in the Application's Startup Folder instead? I couldn't find any configuration properties within the PROJECT PROPERTIES which would let me change the file location.
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Jul 16, 2009
I know that when using my.settings that when I exit my app that it saves them and then next reload it imports my.settings back.
My question, is there a way to create this user.config file on the apps first load?
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Aug 5, 2009
I am getting the following error when i try to run my vb.net application on some other machine along with the related dlls and other files**********************************************************See the end of this message for details on invoking just-in-time (JIT) debugging instead of this dialog box.
************** Exception Text **************
System.Configuration.ConfigurationErrorsException: Configuration system failed to initialize ---> System.Configuration.ConfigurationErrorsException: The 'add' start tag on
[code].....
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