C# upload image update in server.mappath folder ....?

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C#

C#5.0

hi friends,


i am trying to update student profile picture once i update the photo i am getting one Error which i have showed below. please tell me guys if anyone knows


Error:"

The process cannot access the file '1.png' because it is being used by another process.

"


for this Error Instead of

var directory = new DirectoryInfo(path);
              directory.Delete(true);

this line i have used

Directory.Delete(path);

but agin i am getting Error like

Error:

The directory is not empty.

What I have tried:

public static string ImageToServerPath(student[] student)
       {
           DataImage image = DataImage.TryParse(student[0].path);
           MemoryStream ms = new MemoryStream(image.RawData);
           Bitmap BMP = new Bitmap(image.Image);

           string configPath = WebConfigurationManager.AppSettings["Path"];

           string path =configPath+""+student[0].studentId+"\\";

           if (!Directory.Exists(path))
           {
               Directory.CreateDirectory(path);
           }
           else
           {
               Directory.Delete(path);
               Directory.CreateDirectory(path);
           }

           FileIOPermission writePermission = new FileIOPermission(FileIOPermissionAccess.Write, path);

           if (SecurityManager.IsGranted(writePermission))
           {
               int imagename = 1;
               System.Drawing.Image img = new System.Drawing.Bitmap(ms);
               img.Save(path + student[0].studentId + ".png", ImageFormat.Png);
               path = path + "" + imagename + ".png";
           }
           return path;
       }