How to delete uploaded file from server using c#

you can write this code into your base class

using System.IO;

public static void DeleteExistFile(string name, string path)
    {
        if (name != null && File.Exists(path))
        {
            File.Delete(path);
        }
    }



You can write the following code In derived class button click event


Protected void Button1_Click(object sender, EventArgs e)
{
  string path = "~/Images/"+logo.jpg;
  BaseclassName.DeleteExistFile(filename,path);
}

(OR) If you want to single line code with out checking file exits or not, you have written this code


using System.IO;


Protected void Button1_Click(object sender, EventArgs e)
{
 File.Delete("~/Images/logo.jpg");
}