问连接到MySQL会导致错误“数据源名称未找到且未指定默认驱动程序”。

EN

Dim strMySQLConn As String = "DRIVER={MySQL ODBC 5.1 Driver};Database=database_name;Server=ip_address;UID=username;PWD=password;"
    Dim MySQLConn As New OdbcConnection(strMySQLConn)

    Protected Sub Page_Load(sender As Object, e As System.EventArgs) Handles Me.Load
        If Not Page.IsPostBack Then

            Dim ds As DataSet = New DataSet()
            Dim cmdMySQL As New OdbcDataAdapter("SELECT * FROM categorymaster", MySQLConn)

            MySQLConn.Open()

            cmdMySQL.Fill(ds, "prjs")

            gv.DataSource = ds.Tables("prjs").DefaultView
            gv.DataBind()


            MySQLConn.Close()

        End If
    End Sub