Mysqlconnector / Net Can't Connect To Mysql Host

Feb 13, 2012

I'm making a program where you must login with username and password.

These things are located in mysql server on my website (remote).

But it always gives me the error : wasn't able to connect to any of the speciefied mysqlhosts.

This is my script the * are the adresses and id's and passwords place.[code]...

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VB2008 With MySQLConnector .net 6.1 - Error "BC30560: "MySqlConnection" Ist Im Namespace "MySql.Data.MySqlClient"

Aug 22, 2009

I have the following code:

[Code]....[Code]....

I get the compiler error message: error BC30560: "MySqlConnection" ist im Namespace "MySql.Data.MySqlClient" nicht eindeutig. in English (I think): "MySqlConnection" is not unique in Namespace "MySql.Data.MySqlClient".

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What i have going on, is i have a MySQL connector as a resource on my application, and im basically trying to connect to my MySQL server, to either a) register a new account, or b) check that the account exists and they are premium, and login, Now what i have run into problems with is: My MySQL Database Name has a _ in it which VB is not allowing for some strange reason.

The code i am using is below

Imports MySql.Data.MySqlClient

Public Class Form1

Function UpdateRecord(ByVal query As String) As Integer

[CODE]...

How i can allow the _ into the application, because the only databases that don't have a _ in the user or dbname are a) Paid ones which i DO NOT have the money for or self hosted ones, i cannot leave my computer on 24/7

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I am trying to make a login system mysql try to connect to a mysql database.

Here is my code:

Imports MySql.Data.MySqlClient
Public Class LoginForm1
Dim MySqlConnection As MySqlConnection
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[code]....

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Using the mysql command, we can successfully connect to the database. We already checked for any other application or firewall that could be blocking the connection but it seems fine. We also reinstalled the system (no errors during the installation) but the MySQL error message doesn't change.

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[Code]...

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I can successfully add a data source and preview the data within the IDE so assume that the connection is ok regarding Connection strings and remote access.

However, when I attempt to access the data using any run time control I get the following error when the table is loaded using the .fill method.

MySql.Data.MySqlClient.MySqlException was unhandled
ErrorCode=-2147467259
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[Code]....

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VB.NET Express 2010.
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

[Code].....

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Mar 11, 2010

i installed visual studio ( full installation)then i got xampp from their site i have mysql and apache running i downloaded the connector from mysql site and i created a simple project to check if i can connect to mysql or not i have made this code so far

Imports System.Data.SqlClient
Public Class Form1
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
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[code]....

im having trouble with an exception though it says {"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: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)"}

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I'm having a problem connecting to a MySQL server over two different trusted domains.We're developing an app for internal use and have been using MySQL till now. It's a desktop app written in vb.net.Up until now all the users were on the same domain and there were no issues. Just recently there was an higher-level decision to split users in 2 different domains for various reasons.The problem is that users from the new domain cannot access the server. If that helps, I was told by the administrators that the users from both domains are trusted. Both machines are running Windows Server - 2003 and 2008.The server port is open, the grants are all in there(base_class@%) but upon attempt access denied for user base_class@datablock2.

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