"SL" wrote:

> Hi,
>
> I would like to check if the external image url is valid, if it is not valid
> i would like to show another external "not available" image from an alternate
> url. Any idea how do do it or any function that i can use?
>
> i have added a vb function is the custom code to be called to check if the
> url is valid, it works great in report designer preview, however after i
> deployed, in the report manager all the image return an "not available" image
> from an alternate url, regardless if the url is valid.
>
> Below is the VB function that i added into the custom code:
>
> Function IsValid(ByVal Url As String) As Boolean
> Dim sStream As IO.Stream
> Dim URLReq As Net.HttpWebRequest
> Dim URLRes As Net.HttpWebResponse
>
> Try
> URLReq = Net.WebRequest.Create(Url)
> URLRes = URLReq.GetResponse()
> sStream = URLRes.GetResponseStream()
> Dim reader As String = New IO.StreamReader(sStream).ReadToEnd()
> Return True
> Catch ex As Exception
> Return False
> End Try