tweetsharp - How to post Special charater tweet using asp.net API? -

i m using given below code post tweet on twitter. when upload on server special character (!,:,$ etc) tweets not published on twitter. code working fine in local system

string key = ""; string secret = ""; string token=""; string tokensecret=""; try {            string localfilename = httpcontext.current.server.mappath("../images/").tostring();              using (webclient client = new webclient())             {                 client.downloadfile(imagepath, localfilename);             }             var service = new tweetsharp.twitterservice(key, secret);             service.authenticatewith(token, tokensecret);             // tweet wtih image             if (imagepath.length > 0)             {                 using (var stream = new filestream(localfilename, filemode.open))                 {                     var result = service.sendtweetwithmedia(new sendtweetwithmediaoptions                     {                         status = message,                         images = new dictionary<string, stream> { { "name", stream } }                     });                 }                                }             else // message             {                 var result = service.sendtweet(new sendtweetoptions                 {                     status = httputility.urlencode(message)                 });             }       }     catch (exception ex)     {         throw ex;     } 

the statuses/update_with_media api endpoint deprecated twitter , shouldn't used (https://dev.twitter.com/rest/reference/post/statuses/update_with_media).

tweetsharp has issues using method when tweet contains both 'special character' , image (works fine either, not both). don't know why , haven't been able fix it, it's oauth signature i'm pretty sure.

as solution suggest use tweetmoasharp (a fork of tweetsharp). has been updated support new twitter api's handling media in tweets, , work in situation if use new stuff.

basically upload each media item using new uploadmedia method, , return 'media id'. use normal 'sendtweet' method , provide list of media ids along other status details. twitter attach media tweet when posted, , work when there both special characters , images.