IDE :: Does Microsoft Query Support Multi-database Connections
Mar 25, 2010
I have an multi-database ODBC connection through a DSN. There is a primary database and two auxiliary catalogs. The Add Tables dialog in Microsoft Query only shows the tables in the primary database. If I pick one and continue on, the lists of columns in other parts of MS Query show all the columns in both the primary and auxiliary databases. If I pick a column, MS Query will look for that column in the primary database (great if it happens to be there, not so great if it doesn't). If I don't use any of the drop-down lists and just write a query in the freeform SQL editor, fully qualifying everything with the catalog names, the query runs fine.It looks as though MS Query is assuming only one database and one (default) catalog, and doesn't realize that it actually connected to several databases with separate catalogs.I get the same results with Office 2003 and Office 2007.Are multiple databases / multiple catalogs through a single DSN supported in Excel / Microsoft Query?
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Aug 27, 2010
The database:
"ID (Primary key)" | "Title"
0 | "title1"
[code].....
OK, before adding values to database, we should check if a row exists with this values :)TO do this, creating a Stored Procedure is a best way to deal with the database fastly.So... The problem now is, at the runtime, Miss OleDB throw this error:Microsoft Jet database engine cannot find the input table or query 'IF
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May 29, 2009
i should say hi experts :D . Help me with this pretty code :)
The database:
"ID (Primary key)" | "Title"
0 | "title1"
[code].....
OK, before adding values to database, we should check if a row exists with this values :)TO do this, creating a Stored Procedure is a best way to deal with the database fastly.So... The problem now is, at the runtime, Miss OleDB throw this error:Microsoft Jet database engine cannot find the input table or query 'IF
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Nov 23, 2009
Currently I am doing a CMS and I want to
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Mar 24, 2010
Is there any official assurance that the Microsoft.VisualBasic namespace will continue to exist in the future?
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Jun 6, 2011
icant conect to database with visual basic i get this error "The Microsoft Office Access database engine cannot find the input table or query 'Puna'. Make sure it exists and that its name is spelled correctly"
Here is my code :Public Class dataLayer Private Shared connection As OleDb.OleDbConnection Private Shared Sub connect()connection = New OleDb.OleDbConnection("Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" & IO.Path.Combine(My.Application.Info.DirectoryPath, "Fiskal.accdb") & ";Persist Security Info=False;")
[Code]...
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Jun 3, 2009
I M DEVELOPING AN ASP.NET APPLICATION I WANT TO PROVIDE INTERFACE IN ARABIC AND ENGLISH
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Feb 4, 2011
I've been working on my game for a while, in a non-online multi-player state it is complete. My goal is to add LAN or Internet Play support.My game is coded in Microsoft Visual Basic 2010 Express, It relies heavily on timers.Currently you play against the AI, and there is a Local multiplayer mode, using mice, controllers or the keyboard.At the moment, it is a two player, (Or 1 player against the AI) game, from my understanding the standard Client-to-Server option wouldn't very efficent, the best choice would be a peer-to-peer system.That being said, a lot of the stuff could be done client side, like for instance, the particle engine and Dynamic Rendering.[code]
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Mar 23, 2011
I got following error when trying to login my web application.
method not found: System.String Microsoft.visual compatibility.vb6.support.format
what is that ?
Microsoft.visual basic.compatibility.dll is already present @ my machine
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Oct 2, 2009
Of the 51 Standard Query Operators (of which only 42 are actually query operators), only 24 are directly supported by Visual Basic 9 and just 11 by C# 3: Query Expression Syntax for Standard Query Operators.In many cases, query syntax is arguably more readable than the equivalent method syntax, especially when transparent identifiers are involved. However, that readability breaks down if you have to combine queries and method calls.So the question: What query operators, current or hypothetical, would you like to have your language of choice support in query expression syntax?
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Dec 14, 2009
May i know how to change my below login code to support for multi access level login? So that i can differentiate between manager and normal employees login so that i can enable or disable certain features for different department? I have the below code that can serve as a basic login.
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
'login code can work
conn.Open()[code]......
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Nov 26, 2010
I have created my webpage in asp.net in 1024*768 resolution, my problem was that when i change my monitor resolution then the controls in my webpage will be displayed in unmanaged manner .
How to arrange items in my webpage which support multiple resolution ...
Whatever the resolution of my monitor the controls in my webpage will display as it is as managed in 1024*768 reolution !
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Jul 19, 2011
Using VB.Net and SQL Server 2008 R2: I have recently had a database that using sp_who2 reflects a connection ".Net SqlClient Data Provider" is still active even though the .Net application has closed and disposed of all connections.
[Code]...
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Jul 28, 2009
i've been previously using Visual Studios built in wizards for manipulating data access to and from an MSAccess Database, however just recently i coded my own classes and connections to the database, ive been able to select, update and delete records effectively however my problem comes with inserting records.
I have a 3 tiered table database:Tbl_PO, Tbl_Parts, Tbl_Shipments each po has multiple parts, each part has multiple shipments.when i insert a record into the tbl_PO, i need to retrieve the ID used on that insertion.
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Aug 19, 2009
I'm doing an application which uses the Database Wizard to link the textboxes, labels, and combo boxes to the data base. (Visual Basic in Visual Studio 2008). (Visual Basic 2008 by Shelly Cashman-Chapter 10)There are two problems: One of the combo boxes has the unique key identifier. You are supposed to be able to use the combo box arrow to select one of the unique keys. Every time I click on one of the unique keys to see the records connected to it, VB acts like I'm trying to input a duplicate key. My teacher hasn't been able to figure this one either. If I was connecting the code, I could fix this but I have no clue since I have to use the Database Wizard on how to fix it.
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Mar 8, 2011
I am on a general scenario of deploying my vb.net database application on my client's computer.
Thinking of future problem of changing the database connection setting, i am planning to store it in a normal xml file in the app directory so that where ever it is installed, in order to make database configuration i only need to make change to that file and my program runs smoothly.
So is this idea of storing database connection setting to xml config file in app directory or is there any other better idea?
I am planning it for vb.net winforms applications
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Mar 16, 2012
This may have been answered but my search hasn't found what I was looking for. Basically, I am developing an application which allows the user to build a query at design time, i.e. for users with no prerequisite knowledge of SQL The application thus far allows the user to select which table(s) from the database they wish to start querying (I won't go into the details of the rest for now)
My confusion is this; I already have the connection to the database in a subroutine which obtains the schema information and filters it to display only the available tables within the database, which then compiles the data into a listbox, here is that sub:
[Code]...
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Feb 21, 2009
SQL String with multi line query
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Apr 22, 2009
after i get a successful ping response i need to send an HTTP request to the device examine the response and then display it. i'm trying to multi thread the 2nd bit with no joy so far.
Imports System.Net
Imports System.Net.NetworkInformation
Imports System.Threading
[code].....
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Apr 29, 2012
im trying to write a query using multi 'where' conditions however am having so difficulty making it suitable for vb, sql = "SELECT * FROM Room WHERE [Room Size]= '" & Noofppl.Text & "'" AND [Number of PC's] = '" & noofpcs.Text&"'"
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Mar 1, 2009
[code]"An INSERT INTO query cannot contain a multi-valued field." i got this exception while trying to save record in access file.
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Apr 8, 2011
I'm running a program where I call a function which creates a database connection and then runs a stored procedure. I call this function four times from four separate threads. I get an error (Login failed for user 'sa'. The user is not associated with a trusted SQL Server connection.
Exception Source:
.Net SqlClient Data Provider)
when I use multiple threads, but if I have the threads run one after another I have no
[code].....
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Jan 29, 2012
I'm working on an ASP.NET 4.0 site, which I inherited ownership of. It has a number of existing LINQ datasources pointing to individual tables. For example, to the Patient Encounter Summary table in SQL Server. The problem is in displaying the data there. It's a normalized database, so that table contains (for example) the provider ID, rather than the provider name.
It's simple enough to join the Patient Counter Summary to the Providers table (in SQL)... but how does one do that in ASP.NET? I'm not sure of the correct nomenclature, but the 'mid layer' is VB.
[Code]...
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Sep 30, 2011
I am looking to remove an element from an ArrayList using a query, E.g. DELETE FROM arraylist WHERE (0) = "User1" (Where (0) is the index of the second dimension).
Code:
Dim Users As New ArrayList
Users.Add({"User0", "Details"})
Users.Add({"User1", "Details"})
Users.Remove("User1")
The reason I am looking for a query way to do this is because I will not know what the second dimension value will be.
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Mar 14, 2011
I just want to know, What parameters or attributes should be taken in connection string so as to handle high traffic enterprise applications? Like in general we use server, initial catalog, userid, passwd. Some times we add timeout , and in some scenario pool etc. But i don't know what attributes should i take in as my common practice apart from above.
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Nov 11, 2010
I have an application running with a access db. I have written some code to copy & zip the db file to another location (selected by the user) for the purpose of backup. (I am using sharpzipwrapper)Whenever I try to run the code for the copying & zipping it gives me an exception saying that the file cannot be zipped as it is use.Do I have to close all open connections in order to backup the .accdb file? If yes then how? else what do i have to do inorder to get 'access' to the file.Do I have to exit the application to close all connections? These connections are written in code for e.g. :
dim
cnStudent as
oledbconnection
[code].....
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May 3, 2012
I have vb .net windows form application that I want to connect to Microsoft access database using "Microsoft DAO 3.6 object library". My problem is that when I go to Project tab -> Add reference -> COM tab, there should have been "Microsoft DAO 3.6 Object Library" on the list, but for some reason It's not on the list. Then I googled, and found out that the location of "DAO360.DLL" is "Program FilesCommon FilesMicrosoft SharedDAO". After clicking on Browse tab, I browsed to that location, and I guess I added reference on another way.This is the code that I used before for connecting to Access, but for some reason It doesn't work this way on this PC.
[Code]...
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Jul 27, 2009
Im trying to figure out how to query a dataset when I select multiple values in a list box? I have the list box linked to the dataset and am using a button to search the values selected in the list box. I don't know what to do!
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Jul 31, 2011
I am extremly new to this concept of aps.net and vb. all the tutorials I see are c# based or very basic for vb. What I have is a contact forum with some basic information. I got the whole "check if the user has input information correctly down pat how ever Its this whole, connecting to a database (sdf) if in another vb file ands calling that method into aspx file and proessing forum input to say "take this, insert into bla..." I come from java, JSP and J2ee bak ground where its not that diffrent and I dont have all week to read books and take baby steps. I have until tuseday morning to finsih this. Right now I am as far as forum validation....
[Code]...
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Jun 11, 2009
I have an application which connects to a database, retrieves a username from a user's table and matches it against the username retrieved with System.Security.Principal.WindowsIdentity.GetCurrent.Name.On my localhost, everything works fine. The database exists on the development server but the application lies on my localhost. All of my authorization and authentication techniques are running smoothly.However, when I publish my application to the development server, I'm faced with the following error.Cannot open database requested in login 'databaseName'. Login fails.Login failed for user 'DevelopmentServerNameASPNET'.
[Code]...
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