Invalid URI The format of the URI could not be determined

Question

I keep getting this error      Invalid URI  The format of the URI could not be determined    the code I have is   Uri uri   new Uri slct Text   if  DeleteFileOnServer uri         nn BalloonTipText   slct Text     has been deleted        nn ShowBalloonTip 30       Update  the content in slct Text is ftp jt-software net style css   What gives  How is that not a valid URI format  It s plain text

User · Answer

The issue for me was that when i got some domain name, i had:

cloudsearch-..-..-xxx.aws.cloudsearch... [WRONG]

http://cloudsearch-..-..-xxx.aws.cloudsearch... [RIGHT]

hope this does the job for you :)

User · Answer

Check possible reasons here  http   msdn microsoft com en-us library z6c2z492 v VS 100  aspx  EDIT    You need to put the protocol prefix in front the address  i e  in your case  ftp

User · Answer

Better use Uri IsWellFormedUriString string uriString  UriKind uriKind   http   msdn microsoft com en-us library system uri iswellformeduristring aspx  Example  -    if Uri IsWellFormedUriString slct Text UriKind Absolute              Uri uri   new Uri slct Text           if  DeleteFileOnServer uri                       nn BalloonTipText   slct Text     has been deleted              nn ShowBalloonTip 30

User · Answer

I worked around this by using UriBuilder instead   UriBuilder builder   new UriBuilder slct Text    if  DeleteFileOnServer builder Uri

User · Answer

Sounds like it might be a realative uri  I ran into this problem when doing cross-browser Silverlight  on my blog I mentioned a workaround  pass a  context  uri as the first parameter   If the uri is realtive  the context uri is used to create a full uri  If the uri is absolute  then the context uri is ignored   EDIT  You need a  scheme  in the uri  e g    ftp     or  http

User · Answer

It may help to use a different constructor for Uri    If you have the server name  string server    http   www myserver com     and have a relative Uri path to append to it  e g   string relativePath    sites files images picture png    When creating a Uri from these two I get the  format could not be determined  exception unless I use the constructor with the UriKind argument  i e      this works  because the protocol is included in the string Uri serverUri   new Uri server       needs UriKind arg  or UriFormatException is thrown Uri relativeUri   new Uri relativePath  UriKind Relative        Uri Uri  Uri  is the preferred constructor in this case Uri fullUri   new Uri serverUri  relativeUri

[c#] Invalid URI: The format of the URI could not be determined

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