无法连接到VB.net中的任何指定的MySQL主机

Question

我正在尝试从其他PC连接到MySQL，因为我运行我的程序它说无法连接到任何指定的MySQL主机

Dim strConn As String = "Server=192.168.xx.xx;Database=mydatabase;Uid=root;Pwd=mypassword;Port=3306"

Dim con As New MySqlConnection(strConn)
Dim cmd As New MySqlCommand("select * from station_tbl", con)

Dim adapter As New MySqlDataAdapter(cmd)
Dim dt As New DataTable()
Dim td As New DataTable()

adapter.Fill(dt)
adapter.Fill(td)

ComboBoxStationOrigin.DataSource = dt
ComboBoxStationDest.DataSource = td

ComboBoxStationOrigin.DisplayMember = "station_name"
ComboBoxStationDest.DisplayMember = "station_name"
ComboBoxStationOrigin.ValueMember = "station_id"
ComboBoxStationDest.ValueMember = "station_id"