DB/Reporting :: Connecting To MySQL Version 5?
Feb 24, 2008
i am getting this error:
Code:
[Microsoft][ODBC Driver Manager] Data source name not found and no default driver specified
When trying to connect to my database using the mySQL v5 drivers. I had the version 3.xx working fine until i installed the newer 5.0 drivers....
Code:
conn = New ADODB.Connection
With conn
.CursorLocation = ADODB.CursorLocationEnum.adUseServer
[code]....
But i can not seem to find the "correct" connection string for use with version 5..
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Apr 24, 2011
I can connect/login to my database, view a formatted table in the current window, however I want to click a button and see a new table set in a new window. Theoretically I should be still logged in/connection information saved but however I get 'unable to connect to database'.
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Mar 27, 2012
how to connect a visual basic front end with a MySQL back end. I am not proficient in VB or MySQL and was not able to find anything on google as a result.
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Jan 6, 2011
I have a MySQL database online. What do I need to connect to it and exchange data?
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Nov 18, 2009
I have a problem here I did make database program for a friend the database is online Mysql I use Visual Studio and put this into setup.exe when he install the program and try to log on he get this error This is my connection to the database
[Code]...
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Nov 16, 2009
Im building an app to manage PSP contents, and it should connect to my MySQL server on my domain to refresh game info and ratings and so on, but I cant make it connect with MySQL Connector 6.1.
[Code]...
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Mar 27, 2012
im trying to connect mysql from vb.net in visual basic 2010. i wanted to query the db just to get 1 return is response to my proID once i click the button. it successfully show connection has been establish but i cant seems to run any sql query on it. what might have been wrong? this is the error i got from immediate window.A first chance exception of type 'System.InvalidOperationException' occurred in MySql.Data.dll.lets assume num is 1001 from the keypress event.
[Code]...
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Nov 15, 2010
i am trying to connect to 10 mysql servers and get aprox. 5000 rows. If i make the test from local network it works but if i take the test using mysql servers (same version) from different city it shows me the error "Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding".[code]
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Jun 21, 2010
I think I already know the answer to this, but just to be sure, is there any way to connect to a MySQL database in VB?
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Jun 14, 2010
I have a VB.NET application and I need it to be able to display rows from a MySQL database. How would I do this?
Update: Another thing that I could do is have the app get a PHP page from the site that shows the DB, and gets the page every 10 seconds or so.
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Sep 19, 2011
I'm having some trouble setting up a working connection to a mysql database from Visual Studio 2010.After downloading and installing the mysql-net connector, I set up a simple testing database in Xampp and experimented around a bit until I managed to read some values from the database and inserting new ones.I'm trying to access another database on a remote server and all I get is an error message: Unable to connect to any of the specified MySQL hosts.Basically, I'm only trying to execute this code:
Dim con As New MySqlConnection("Server=111.11.111.111;Uid=root;Pwd=mypwd;Database=mydb;")
con.Open()
con.Close()
(server ip looks a bit different of course)When I access my local database, it looks quite similar:
Dim con As New MySqlConnection("Server=127.0.0.1;Uid=root;Pwd=;Database=test;")
con.Open()
con.Close()
Nevertheless, I can access the remote database easily using a simple PHP script... no problems there.
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Apr 5, 2009
i want to make a program that connects to MYSQL and interacts with it (using VB 2008).For Example: i make a program that connects to the database and edits a few things like Row 2 , Colum 5 = 2 for example?
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May 30, 2010
[URL]
I have some hosting from [URL] so I set up a mysql db there. the actual db info is:
hostname: db2054.perfora.net
db name: db298669245
username: dbo298669245
[Code].....
The error is get is: "Unable to connect to any of the specified MySQL hosts."
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Feb 15, 2010
Connecting to a Online MySQL Database using .Net?
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Feb 8, 2011
i got some problems with my connection to a MySQL database so this is my code:
Dim conn As MySqlConnection
'connect to DB
conn = New MySqlConnection()
[Code].....
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Jul 20, 2009
Ive been trying to connect to the MySQL database located on my website using vb.net 2008 express... i have been failing, when i run my code i have i get the following error,
ERROR [IM002] [Microsoft][ODBC Driver Manager] Data source name not found and no default driver specified
That error comes from this code,
Code:
Dim connectionString As String = "Driver={MySQL};SERVER=coolness.something.com;DATABASE=Citys;UID=admin;PASSWORD=p975311;" '
Dim conn As New OdbcConnection(connectionString)
[code].....
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Nov 11, 2008
I got this Database that is Online thats hosted through the Website and uses MySQL, and the Tables have some Data I like to Read From. Heres what I got
vb
Public Sub testconnect()
Dim sqlconn As String = "Server=63.247.93.106;Database=viina_schoolbook;User=---; Password=---;"
[Code]....
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Jun 23, 2011
I have developed a frontend app using VB 2010 which is to connect to a remote MySQL server. My server has an internal IP address of 202.56.20.72 and an internal IP address of 192.168.20.44.
When I use the internal IP in my connection string and connect over LAN, the whole thing works fine. But when i changed the IP to the external address and tried to connect to the server over the internet, I get an error something like 'Failed to connect to MySQL server for user 'user'@'localhost', [using Password=NO]. This means that for some reason, it is not connecting to the server at all.
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Feb 7, 2012
I have some hosting from wampserver so I set up a mysql db there. the actual db info is:
hostname: ip address db name: root username: version: MySQL5.0
pw:
VB.net CODE
conStr = "Server=ip address;Database=dbname;User Id=root;Password=;"
or there is another way to connect pc1(server) and pc2(client) using wampserver?
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Mar 20, 2012
My Project is successfully running,. it can even load the data onto my tables from MySQL database
but the problem is,. when i open my reports which is CrystalReport based,. it prompts for a Database Login,. I am using Windows 7 64bit and Visual Basic 2008 with the latest MySQL Server.
On my CrystalReport1.rpt when i click the Main Report Preview,.ODBC (RDO) pops up asking for Data Source Selection,. i tried filling up the connection String with:
[Code]...
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Mar 23, 2009
I'm new to Visual Basic. I'm currently working on my school project which is basically just managing records. I'm using MySql as my DB and mysql-connector 5.2.5 as my connector string. and I have this code (connects to db and adds some data in the db using textboxes)[code] problem is every time I click that button (button3) I get the Exception message.what seems to be the problem with my code? I have tried this code in my login form and it works fine there but in here, in this current form it doesn't work.
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Oct 3, 2011
I want my vb application to communicate with a MySql database on server on a LAN. What connection string can i use? Also, what syntax can i use? My application is installed on many computers in LAN with one central MySql database. I want all data to go to the database.
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Dec 15, 2009
<Imports System.Data.SqlClient
Public Class LoginForm1
' OK button [code]....
End Class/>this my code to conecttin to the mysql via windows application with login form but i will see this con.Open( getting yellow
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Aug 27, 2009
I'm trying to query an access database, but my query results only display the first cell of the query results.
For example, if I select 3 columns, 5 rows, only Column 1 Row 1 is displayed. Someone mentioned something about EOF but I can't find EOF code for OleDB. Should I be using another type of connection?;
Code:
Private Sub btnGetReport_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnGetReport.Click
Dim StartDate, EndDate As Date
[Code]....
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Aug 24, 2011
We have developed a VB 2008 app that uses SQL Server 2005 Express to store data collected by this app. This app has been designed to allow multiple connections to the one centralized database.
I have ran a few tests, and confirmed that if one computer running our app is accessing a database residing on a different computer,and the network connection between two computers has been severed, it would take approximately 3.5 minutes before I would get a connection timed out exception error from within my code.
I have deliberately set the ConnectTimeout property in the SQL connection string to be 15 seconds. But some how, SQL database engine still retries until approx. 3.5 minutes later.
My thinking is that I have a subroutine that would attempt to open a database once a minute.If the open attempt is not successful, and resulted in an exception, then I would popup a message to notify the user that the connection is not available.
Doing it this way, I have confirmed that it would take about 1.5 minutes for it to re-establish the connection, once the actual network connection has been restored.
To make the long story short, I would like to find a way to shorten the detection for a broken connection, and let the user know sooner, rather than locking up the app during the 3.5 minutes period has elapsed, and at the mercy of the SQL database engine to timeout. And why would it take 3.5 minutes to timeout the connection attempt when I had explicitly use 15 seconds in my connection string?
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Nov 2, 2009
i have a website www.aybydinnovations.com.I setup a new mySQL Database into my webserver.I am developing vb.et application that will connect into that database from my webserver.
Here is my codes:
Imports System
Imports System.Windows.Forms
Imports System.Net.WebRequestMethods
Imports MySql.Data.MySqlClient
[Code]...
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Jun 20, 2010
Is there any way to have the program still run efficiently when connecting to an mysql database? Would System.Windows.Forms.Application.DoEvents() work anywhere?I have it connecting every 3 seconds on a timer and during that connection the program locks for a second.
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Apr 14, 2009
I'm at an absolute loss here, I've read so many different things.I just want to add new records to a database I created using SQL Server 2008 with SQL statements in Visual Basic Express 2008. But I can't even connect/get it to recognise the database I created.The database name is 'database.mdf' and is situated in the MSSQL/DATA folder. So far I've read I need to use this code;
Code:
Conn.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data source=database.mdf"
Conn.Open()
[code]....
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Jul 21, 2009
I was wondering which way would be the easiest in VS2005 to connect to and pull data from a MS SQL database. I have already setup the database connection by choosing the datasource for a DataGridView but I'm not able to retreive any information.
The steps I have taken so far:
1. Make new form
2. Drag and drop DataGridView onto the form
3. Setup the data source and respective username password
Not sure where to go from here....
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Oct 22, 2008
I created a connection string for an excel file. I prefer this method as opposed to creating "Excel" objects since it is not restricted to a specific version of Excel.When I connect to the excel file, I step past the first few rows since they have data that is not needed. When I reach the first field that contains a date, then I begin my data import. However, at that point (A8), it shows the cell in the "A" column as having a Null value even though there is indeed a value in the cell. Columns "B" and "C" are fine.
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