这是在VB.net中为连接MySql中编写的一个类库。你可以使用这个类库直接操作MySql数据库。 
在使用这个类库之前,你必须安装 
ODBC MYSQL 3.51下载地址:http://www.mysql.com/downloads/api-myodbc-3.51.html 
Driver ODBC.NET下载地址:http://www.microsoft.com/downloads/details.aspx?FamilyId=6CCD8427-1017-4F33-A062-D165078E32B1&displaylang=en 
在这个库中有三个类: 
ManipStringForMySQL: 此类修改SGBD的字符串 
MySQL_Requettes: 发送请求 
MySQL_Utils : 对SGBD数据进行测试 
下面是使用此类库操作MySql的一个例子 
//对DataSet进行操作 
|   Public Shared Function MyODBCDataset(ByVal ReqSQL As String, _ByVal LaBase As String, ByVal Server As String, _
 ByVal Password As String, ByVal User As String, _
 ByVal NomDataSet As String) As DataSet
 ‘ Connexion à un server MySQL
 ‘avec le Driver ODBC 3.51 avec requette qui renvoie un dataset
 Dim MyConString As String = _
 "DRIVER={MySQL ODBC 3.51 Driver};SERVER=" & Server _
 & ";DATABASE=" & LaBase & ";UID=" & User _
 & ";PASSWORD=" & Password & ";OPTION=3;"
 Dim MyODBCConnexion As New OdbcConnection(MyConString)Try
 Dim ds As New DataSet()
 Dim cmd As OdbcDataAdapter = New
 OdbcDataAdapter(ReqSQL, MyConString)
 Dim MyCommand As New OdbcCommand()
 Dim MyDataReader As OdbcDataReader
 cmd.Fill(ds, NomDataSet)
 MyODBCConnexion.Close()
 Return ds
 Catch MyOdbcException As OdbcException
 ‘
 HttpContext.Current.Response.Write(MyOdbcException.ToString)
 Catch MyException As Exception
 ‘
 HttpContext.Current.Response.Write(MyException.ToString)
 End Try
 End Function
     //对函数的调用   Dim MonDatasetTemp As DataSet = MySQL_Requettes.MyODBCDataset(SQL,
 constantes.ODBCBase,
 constantes.ODBCServer,
 constantes.ODBCPwd,
 constantes.ODBCUser,
 "MonDataset")
 | 
. 
TAG: 
.Net类库,MySql数据库