Code:
 Dim myuri As New UriBuilder()
myuri.Host = "xx.xx.xx.xx"
        myuri.UserName = System.Web.HttpUtility.UrlEncode("userN@me")
        myuri.Password = System.Web.HttpUtility.UrlEncode("p@ssword")
        myuri.Port = 21
        myuri.Path = System.Web.HttpUtility.UrlEncode("/Monfichier.pdf")
        myuri.Scheme = Uri.UriSchemeFtp
it s work for me in...