how to send filepath empty to server using filestream IN C#

 Using code this:

but getting error in "

 

 

MultipartFormDataContent form = new MultipartFormDataContent();

FileStream fs = File.OpenRead(filePath);

var streamContent = new StreamContent(fs);

var imageContent = new ByteArrayContent(streamContent.ReadAsByteArrayAsync().Result);

httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue(jioMeetConstant.tokentype, " " + jioMeetConstant.Accesstoken);

form.Add(new StringContent(grp_name), "grpName");

form.Add(new StringContent(member), "memberList");

form.Add(imageContent, "grpIcon", Path.GetFileName(filePath));