Can upload image using ASP.NET WEB API but not when deployed - asp.net-web-api

Question

I am using ASP.NET WEB API to upload image to server. But when i upload the source code of my web api to gearhost.com and make a post request. I am unable to post the image. This is my web api controller code:
[Route("upload")]
[HttpPost]
public async Task<string> Upload()
{
var ctx = HttpContext.Current;
var root = ctx.Server.MapPath("/uploads/");
var provider = new MultipartFormDataStreamProvider(root);
try
{
await Request.Content
.ReadAsMultipartAsync(provider);
foreach (var file in provider.FileData)
{
var name = file.Headers
.ContentDisposition
.FileName;
// remove double quotes from string.
name = name.Trim('"');
var localFileName = file.LocalFileName;
var filePath = Path.Combine(root, "files", name);
// File.Move(localFileName, filePath);
// SaveFilePathSQLServerADO(localFileName, filePath);
// SaveFileBinarySQLServerADO(localFileName, name);
// SaveFilePathSQLServerEF(localFileName, filePath);
SaveFileBinarySQLServerEF(localFileName, name, filePath);
if (File.Exists(localFileName))
File.Delete(localFileName);
}
}
catch
{
return "Error";
}
return "File uploaded successfully!";
}
public void SaveFileBinarySQLServerEF(string localFile, string fileName, string filePath)
{
// 1) Get file binary
byte[] fileBytes;
using (var fs = new FileStream(localFile, FileMode.Open, FileAccess.Read))
{
fileBytes = new byte[fs.Length];
fs.Read(fileBytes, 0, Convert.ToInt32(fs.Length));
}
// 2) Create a Files object
var file = new tblimage()
{
Data = fileBytes,
Names = fileName,
ContentType = filePath
};
// 3) Add and save it in database
using (var ctx = new coachEntities())
{
ctx.tblimages.Add(file);
ctx.SaveChanges();
}
}
Here is the successful call from localhost:
Image posted through localhost
However when deployed the same code and make request through postman then I get this error:
Image posted through live server

Answer 1

Maybe, "uploads" doesn't have write permission
Check the permission in your uploads folder.
Go to properties-- security
Give the read write permission.

Answer 2

Though it is not good idea to return the exception details in live code. As you are not maintaining log. For testing, Please return the exception details. Also, how are you getting the response like "unable to upload, try again" because it is not there in your code