VS 2010 App Using SQLite Mixed .NET Environment
Jun 14, 2012
I developed an VB.NET application in VS2010. For the database I use SQLite V3.In VS2010 all is working fine, but when I build my application and run it under windows I got a message that I use a mixed .NET envionment.An error occurred creating the form. See Inner Exception Exception for details. The error was: Assembly with mixed mode was created with the runtime version v2.0.50727 and can not without additional configuration information loaded into the runtime version 4.0.In my program I use .NET4 tools (charts and dattimepicker dropdownboxes) but SQLite is compiled in .NET2.So additional in VS2010 I added the "app.config" with the famous lines:[code]
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Jun 11, 2012
First of all I'm quite new in programming VB.NET, so maybe I asking a simple question. But so far I was not able to solve my problem.I developed an VB.NET application in VS2010. For the database I use SQLite V3.In VS2010 all is working fine, but when I build my application and run it under windows I got a message that I use a mixed .NET envionment. An error occurred creating the form. See Inner Exception Exception for details. The error was: Assembly with mixed mode was created with the runtime version v2.0.50727 and can not without additional configuration information loaded into the runtime version 4.0. In my program I use .NET4 tools (charts and dattimepicker dropdownboxes) but SQLite is compiled in .NET2.
So additional in VS2010 I added the "app.config" with the famous lines:
<startup useLegacyV2RuntimeActivationPolicy="true">
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0" />
</startup>
[Code]...
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Oct 14, 2010
So I am getting the same exception as a lot of other people when I am trying to run an execute statement into my SQLite database in my Windows Forms project in Visual Studio 2010. The exception reads:
[Code]...
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Feb 1, 2010
I am using System.Data.SQLite with VB 2010 to bind to a SQLite database. Everything works just as it did in VB2005. I drug a table from the DataSources Window onto the form and automatically generated the binding navigator, table adapters, etc. I can preview data in the TableAdapter but when I run the app no data is read into the grid. The same thing happens with the details view. The BindingNavigator shows 0 of 0 records. There are 27 records visible when I preview the data. The code follows:
[Code]...
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May 5, 2012
I am trying to make a VB application that can read and write at excel or at SQlite db.With the excel my application works fine, but when i tried to share my application 1 of my friends can open it and all the others no.So i want to try with the SQlite but i dont know what i need for to support the sqlite at my VB project.I am using VB 2010 but i can also i can use C#?
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Jun 13, 2011
I just created my first VB.net project using Microsoft Visual Studio 2010 that has database(.mdf) and some forms?I want my project to be remote/network using lan environment, in what way i can do this?i keep goggling i can't find the answer so i end up in your site, I already install SQL Server 2008 R2 in my PC, and i already set up 2 computer here in my house 1 act as a server and the other is client using Lan.
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Dec 15, 2009
I have VB6 Dll which I am referencing in vb.net ,I am calling the following function in it. It working fine in developemnt environment but not in deployement environment.
Error Method not found: 'Boolean MyUtils._MyUtils.LoadMyObjectRecords(ADODB.Stream ByRef, System.Array ByRef)'.
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Jun 24, 2010
How do i change the Environment Background color as explained below?
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May 4, 2011
I'm not sure if what I am trying to do is possible, but surprisingly VS2008 seems to let me copy a .cs file directly into my VB.NET project. I then thought that I may be able to use the class in this file directly from VB.NET. However, it doesn't see it when I try to reference it in. Is what I'm trying to do possible, or is VS2008 simply treating the C# file as a resource file or something?
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Oct 21, 2010
I have a string of randomly organized characters and I am trying to search a wordlist for matches. If the wordlist has a match I want it to add it to a listview. I wasn't for sure how to word the first two sentences and I think an example will help explainmy problem better. So here is an example. I have a textbox where you input what you want to search for in the wordlist. Lets say you type in tca . The wordlist contains cat frog dog , each word on a separate line. What i want to do is take what you typed in the textbox, tca , and find the word cat in the wordlist.
[code]...
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May 24, 2011
I am looking for a little expert design insight.I am trying to save an overloaded property from a generic class.
Base Class
Public MustInherit Class BaseEvent
Public MustOverride ReadOnly Property IsWorkCalendar() As Boolean[code]....
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Sep 21, 2009
i have vb.net 2005 i want to ensure is my SQL server is in MIXED mode
using program
[Code]...
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Apr 5, 2011
I can't find what I'm doing wrong. When I execute this code,
Dim dr As DataRowView = DirectCast(Me.LOTBindingSource.Current, DataRowView)
'Format variety Text
Dim drV As DataRow()
[code]....
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Jul 24, 2009
I have developed a VB2005 winform application and used SQL Server Express as the back end. I have developed the Setup package as well. But when it came to deployment, I came across this particular problem.
During deployment SQL Express is installed but not the Server Mgt Studio hence by default SQL Server tends to be in Window Authentication mode. In my application I have used 'sa' user to connect to the DB. Which is possible in mixed mode authentication. Now in the absence of Mixed Mode Authentication, my package is not running as intended.
Now my question is, is it possible to activate Mixed Mode Authentication without installing Management Studio? And I would like to make a patch application to automate the process.
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Feb 25, 2011
I'm trying to figure out how to get mixed-language support working in Visual Studio 2008. In my app_code folder, I've created two subfolders (CS, VB), and added the following to the web.config file:
[Code]...
The main application is a VB.NET Web application (with a .vbproj file). Any time I attempt to open a C# file from the app_codecs folder, it treats the file as Visual Basic for compilation and syntax checking purposes. It still tries to build the classes in the CS folder as though they were Visual Basic. (The extension on these classes is, indeed, .cs.)
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Nov 9, 2009
Assuming that the VS environment meant that mixed language programming was real, I set up a VB forms project (VBHOST) alongside a C++ forms project (CPPUNIT) in a single solution "MX" but could not work out how to call the CPPUNIT Form1 from the VBHOST Form1. I searched the forums and found a similar question which was never adequately answered.Presumably the VBHOST-CPPUNIT is simpler than CPPHOST-VBUNIT would be(?)
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Jun 25, 2010
I am using GUID for uniqueness (Guid.NewGuid.ToString), but while getting data from database some time GUID order is mixedup.
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Oct 18, 2010
1] Is there a way to declare an array of mixed type [e.g.] column 1 as string, columns 2 through 5 as integer.
2] Is �Dim myArray( ,5 ) as type� a valid statement and if so will it result in a 5 column array of unspecified length?
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Apr 10, 2012
location of character in mixing laguage (e.g. farsi & english) sentence are different in memory and display , you can check it with point() all Instructions as LEFT ,RIGHT ,MID not work correctly when using it on the mix language sentence also GetPositionFromCharIndex(I) also not get position of the char user see on display...i need to have exact location point() of display character (from left or right side of text box)
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May 3, 2011
This is not a problem, as my code works correctly, but a question of aesthetics. I have written a programme which compares the prices and terms of up to 10 Bidders and 500 line items in mixed currencies. For this small section of the programme, I paraphrased a jmcilhinney CodeBank example; his looked neat, mine looks ugly.
Public Class frmFinalize
Private Sub BackgroundWorker1_DoWork(ByVal sender As Object, ByVal e As System.ComponentModel.DoWorkEventArgs) Handles BackgroundWorker1.DoWork
[CODE]...
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Feb 22, 2012
I have a SQLite database and I am tyring to query the max value in the RecordID field. This query works when I run it in SQLite but I can not get the VB to return the value, what have I done wrong?
Dim getMaxRecID As String = "SELECT MAX(RecordID) FROM String"
Using cmd1 As New SQLiteCommand(getMaxRecID, pConn)
cmd1.CommandType = CommandType.Text
Dim IDresults As Integer
[code]....
The connection is correctly opening the db, and shows it as open as well. No error, just IDresults returns 0 everytime.
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Jul 21, 2011
I have an app that I'm debugging and I need to pause it by clicking on a "pause" button in the development environment. I don't want to stop it programmatically, just manually to check what it is doing. I know this should be simple but I can't find a pause button anywhere on the toolbar.
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Jan 31, 2012
Depending on what i know, SQLite is supported in WP7.1, but i cant even import System.Data.SQLite to the project should i download it as a dll specially for windows phone or am i missing something?!
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May 29, 2012
I am writing an app that uses both an SQLite and MySql database. The reason for this before you ask is that it means I can store a local copy of the data onto my user' own machines when they are offline, and then update them to a central server when they are next online.
The problem I have is that when using datasets (on tables created in identical fashion) the itemarray of the mysql database has 9 extra totally blank fields...where as the SQLite itemarray has only the values for the items.
here is a snippet of the code:
CODE:
ultimately I am getting an index size mismatch error but with both tables having the same number of fields this is confusing.
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May 9, 2012
I'm trying to Collect Bids and Distribute the average from a Column I'm getting an InvalidCast Exception: Specified cast is not valid. on the TotalSum +=
Dim sql As String = "SELECT " & Column & " FROM " & Table & " ;"
Dim dt As DataTable = SQLiteDatabase.GetDataTable(sql)
Column = Column.Replace("[", "")
Column = Column.Replace("]", "")
For Each row As DataRow In dt.Rows
[Code]...
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Mar 21, 2010
I'm using VB.NET and MSSQL 2005 to create an application. I was told I should rather use SQLite as I want my application to be a standalone one with embedded database. Can someone please provide me with a step to step tutorial on how to create a standalone application with an embedded database?
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Jun 22, 2011
i am deleting from an sqlite database using the ids of the records like this the dirID is an array of the IDs Dim i As Integer = 0
[Code]...
the problem is that it dosen't alwasy delete from the database, and its not throwing any errors. Could there be a better way of deleting
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May 25, 2012
I have records from server that I want to copy, so I used datareader to select all, during selection the insert also process. [Code] What is the exact sql statement to insert only if record doesn't exist in my current table? I used some of this code, but a filter was defined: like x. What if I just want to insert records that doesn't exist in the table I want. [Code]
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May 25, 2012
I have this records in the table:
username, password, rights, allowance
admin, asdf, admin, 20
john, qwer, user, 10
peter, zxcv, user, 10
I want to select one record at a time
I used:
for i as integer = 1 to sqliteDataReader.FieldCount
dim ss as string = "select * from xtable where recno()=" & Ctr(i)
...
Next
But it doesn't get 1 record at a time.
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Apr 2, 2010
I have an StackOverflowException in one of my DB functions that I don't know how to deal with. I have a SQLite database with one table "tblEmployees" that holds records for each employees (several thousand posts) and usually this function runs without any problem.
But sometimes after the the function is called a thousand times it breaks with an StackOverflowException at the line "ReturnTable.Load(reader)" with the message: An unhandled exception of type 'System.StackOverflowException' occurred in System.Data.SQLite.dll
If I restart the application it has no problem to continue with the exact same post it last crashed on. I can also make the exactly same DB-call from SQLite Admin at the crash time without no problems.
Here is the code:
[Code]...
When crashes, the reader has "Property evaluation failed." in all values.I assume there is some problem with allocated memory that isn't released correctly, but can't figure out what object it's all about. The DB-connection opens when the DB-class object is created and closes on main form Dispose.
Should I maybe dispose the mycommand object every time in a finally block? But wouldn't that result in a closed DB-connection?
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