Disable The Exclusive Mode Of Access Database?
Jun 12, 2010
I had made a program and didn't set a password for the database that used by that. after that I set a password by opening my database in exlusive mode. but when I want to open it in my program I Found out an error Cannot start your application. The workgroup information file is missing or opened exclusively by another user.I know that it is for my exclusive opening but how can I Solve this problem ans disable the Exclusive mode.
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Sep 10, 2009
I developed an application I need to run exclusivly under DOS mode (no Windows), when I wrote the app I created it as a CONSOLE application, when I run this EXE under the DOS mode it says it can't RUN in DOS mode? Is there ANYWAY I can make this work?
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Oct 20, 2010
I'd like to open a text file and not allow any other processes to write to it. I understand I can do this with the following FileStream:Dim fs As New FileStream(_FilePath, FileMode.Open, FileAccess.ReadWrite, FileShare.Read)
Once I have access like this I need to read all of the lines (I will use a StreamReader(fs)) and then I will need to write to the file (I will use a StreamWriter(fs)).
The problem here is that the StreamWriter won't allow me to set the append mode to false (so I can overwrite all text in the file) when I use the filestream as a parameter instead of the file path. So all text written with the StreamWriter is appended onto the text which I don't want. If I use a StreamWriter with the file path (which will let me set append to false) as the parameter instead of the filestream it will be locked out because of the FileStream FileShare. How can I still have exclusive access to read and write to the file but still be able to overwrite the existing text (append mode false)?
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Mar 16, 2010
I have written a simple VB.NET program that connects to a MS Access Database. This program runs in Windows 7 XP Mode, but does not run properly in straight Windows 7. Somehow, the Windows 7 does not connect properly or read the MS Access database data properly with the DataAdapter.Fill method. I have dual monitors, so I can run the identical program side by side (one in Windows 7 and the other in XP Mode) - one works and the other doesn't (it doesn't crash, it just get "nothing" from the database when accessing - acts like it's not connected). Has anyone else run into this, or similar, problem with VB.NET and MS Access connectivity?
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Sep 16, 2010
What is the real mode , protected mode , supervisor mode and the hypervisor mode ?
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Jun 7, 2012
Tried to look for a solution for this problem everywhere and can't seem to find it?I have found solutions related to sub-classing the document, but this method results in a Null Exception as there is no document.
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
AddHandler Me.WebBrowser1.Document.ContextMenuShowing, AddressOf WebContextMenuShowing
WebBrowser1.ContextMenu.Dispose()
WebBrowser1.ContextMenu.Show(WebBrowser1, pas)
End Sub
[Code]...
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Mar 4, 2011
I see, to my supprise, when I tried to installed the Access Database Engine drivers that you cannot run both 32 bit and 64 on the same machine (I have Office 64 bit installed). If SQL can do it? So I have this nice new 64 bit machine with 64 bit office and my hands are tied... Can't correct code in 64 bit mode, can't read Access databases in 32 bit mode. I just have a hard time with 64 bit being out since XP, that this it just not fixed yet. Humm the Behemoth that is now Microsoft. Want to use OLEDB?
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Apr 29, 2009
In an application I build a list of CheckedListBox and display it to the user. I want to make the selection exclusive to only one. I noticed that you can check more that one item in the CheckedListBox. How can I stop that and as the user check the second box I uncheck his/her first selection.
SForm.ChkBoxPts.Items.Add("Paarsa")
SForm.ChkBoxPts.Items.Add("Jeff")
I.e. If I display the above two items or may be even more, I would like to force the user only select one and only one.
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Jun 9, 2011
My app has a nice menu strip, with two tool strips, one containing file options, and other contanining options options (oO)The bad part is... the options toolstip has two subitems that should be excluse. Like: I click one, other gets unclicked and become not functional.I've tried it, but with no sucess.
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Aug 4, 2010
I have a .NET library which I know can be fairly easily linked from VS project to reference it from code. However for security reasons I want to place the DLL file in another location on the disk and reference it from code including executing methods and passing method parameters.
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Feb 22, 2012
When try to open in design mode a form (VB.NET), in which I have a custom UserControl, I see the message from Visual Studio:
Microsoft Visual Studio
The control MyNamespace.MyUserControl has thrown an unhandled exception in the designer and has been disabled.
Exception:
Cannot access a disposed object.
Object name: 'SplitterPanel'.
Stack trace:
OK
And the form is not displayed in designer. What to do?
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Jun 21, 2010
I'm wondering if there is any code that I could use in VB.net so it can determine the computer's startup mode (such as safe mode or safe mode with networking).
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Oct 14, 2010
i am using visual studio 2005 on win 7 with office 2007. i have developed win application. i am using microsoft activex spreadsheet component in my program. so it automatically creates reference to AxInterop.OWC11.dll When i run program in debug mode (open program and click RUN in toolbar it works) but if i run directly .exe (go to bin elease doubleclick .exe) it give error at loading point of that component. It says "Attempted to read or write protected memory. This is often an indication that other memory has been corrupted." An unhandled exception occurrs.
[Code]...
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Sep 3, 2009
code to access SQL Server database in connected and disconnected mode through ADO .Net.
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Feb 26, 2011
Is it possible to connect ado.net to an xml file and then make the xml file a data source on my project where I can bind controls to it in designer mode?
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Oct 28, 2010
I work for a shop that maintains a fairly new app. The app still has its fair share of bugs, with numerous tickets coming in daily. The error information we're given with those tickets is not as useful as it might be because the application was compiled in Release mode, which I read is smaller and faster (makes sense).
Are there any ramifications to deploying a .NET application to production that was compiled in Debug mode? I would expect it would be a bit slower, but I've read the difference is nominal. This would assure us that when we get errors on tickets we have line number associated with those errors and this, of course, makes debugging much easier. major red flags that would prevent you from doing this? I'm tasked with researching the possibility.
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May 9, 2011
I have an application, I want to connect my database in SOL Server Authentication mode(mixed mode), Hence When I connecting my database through connection string. then what parameter to be passed or what to be checked.
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Jun 4, 2011
I can save my data to access database and in the access database field I set it to date/time.But problem is when I get the value out from the database.. the format is always month/day/year hour:minutes:seconds example today: 5/2/2011 12:00:00..How to get the value into listview becoming May/2/2011 without the hour..Here's my code to get it from database ListView1.Items(i).SubItems.Add(dt.Rows(i)(14).ToString).The second problem is.When I would like to edit, how can the datetimepicker get the listview value ? [code] info: using access 2003 (.mdb) the Date of Birth field has been set into Date/Time.
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Dec 8, 2009
This is applicable to C# and VB.Net. I am writing a console application, but one aspect of it I want to make representable in a GUI (that being downloads running, with progress bars). is it possible to write a console mode application that can also have a form in it that can be called from code inside the console component?
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Oct 15, 2011
I have an application that has an Ms Access 2007 DataBase which runns great if access is installed. Is there any code that I can use in vb that I would be able to run access with out installing it.
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Mar 26, 2009
"How to avoid Linked Table manager message while opening the Access DB."I have asked how to disable Macro (programmatically vb.net) while opening the MSAccess DB and I got some good reference and code samples to do so. But unfortunately I could not able to achieve the expected result. I have tried API to enable/disable Keys (SHIFT) at run time and also use some command-line options programmatically but still it's not working even not getting any error as well.One of my AccessDB contains Macro and it calls a form while opening the DB. And the form has some link to Tables and it creates interrupt asking proper path to the table and halts the application till the user intervention.Other one calls form in start-up while opening the DB. It causes opening of all the forms while running the Application.
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Mar 30, 2009
I have two Access database, say database One.mdb and Two.mdb. I want to use VB2005 to export tblCustomer from One.mdb to Two.mdb, and replace the existing tblCustomer in Two.mdb, during run time. I basically want to simulate the export function that is available in MS Access (which can export one table from one Access database to another) with VB2005 during run time. I can think of a way by querying the table to a dataset and then delete everything on the other database before filling the table in that database with the dataset
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Jun 22, 2010
I am trying to import data from an access database to a access database that my project uses I am having problems with combo box fields in the database with the data. I want to import what is displayed instead of the numerical key value. Example: The combo box displays employee names but the value stored is the key value from the employee table so instead of importing John Doe it imports 2 is there a way to make the actual name instead of the number?
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Dec 22, 2011
I am confused what will happen, when I disable a timer. Will it finish the process and then disable or will it immediately disable without completing process? for example
[Code]....
I want to run getMessage from somewhere else, so I need to disable timer during that time to be asured not to override anything and also before timer disable it should complete that function code.
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Dec 26, 2009
I've just skipped around a few inbuilt VB classes' methods which throws exception. of all that i've came across, methods may throw multiple exceptions but ALL of them are exclusive, meaning there is no way 2 exceptions will ever occur simultaneously, yea and i was trying to make my class throw 2 exceptions simultaneously, hence this question, must all exceptions be exclusive?
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Feb 15, 2011
each of the ToolStripMenuItems has more than 20 ChildItems and each of these ChildItems have more than 30 ChildItems.In my form I havea login form and each user must log in.I want to know that how can I check my UserAccess Table with these MenuItems and ChildItems names and if the user does not have the MenuItem or ChildItem name in UserAccess Table, the MenuItem or ChildItem must be disabled.
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Mar 14, 2011
I'm writing an asp.net page with a simple registration form that connects to my access database and inserts the values in the table. So I have my database, my registration page, everything looks fine in my code, but there's a syntax error I can't seem to figure out. When I go on my webpage and click submit, it says : Syntax error in INSERT INTO instruction.
Here's my code:
<%@Page language="vb" explicit="true" debug="true"%>
<%@Import Namespace="System.Data"%>
<%@Import Namespace="System.Data.OleDb"%>
[CODE]...
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Apr 22, 2010
I am using the code shown below to compare two Access databases with two fields each and write the results to a third Access database. I am getting an error at the "Do While DMReader02.Read = True" line: "Invalid attempt to call Read when reader is closed." Why would the reader be closed at this point if I am using different DataReaders in the two loops?
Imports System.Data.OleDb
Partial
Class Form1
[code]....
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Feb 16, 2012
I'm using VS 2010, and I did a project using VB and a database in Access. The problem is that when I try to put that "application" on other computers, sometimes, is not working. I thought it can be because on these computers they don't have access, but on one computer, is running another app which is using Access and there is no Access installed. How can I check if my application requires Access to be installed or not?
Here is a example of how I did the connection:
Public AccessOLEDBConnString= "Provider=Microsoft.Jet.OLEDB.4.0; Data Source=" & myfullpath & ";Jet OLEDB:Database Password=password"
Function getConnection() As OleDb.OleDbConnection
[CODE]...
And when I want to have access at the data I'm doing like this:
dim conn as Oledb.OledbConnection
dim sql as string
dim ds as Dataset
[CODE]...
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May 16, 2009
to disable right click and to disable the start button and task bar?
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