How to Open .pdf file programattically in ASp.net with C#

Hi Sonal
To open a pdf document you can use the following code.
if (File.Exists(proposalPath.Replace("pdf", "txt")))
    {
     FileStream fs = null;
    try
         {
         fs = File.Open(proposalPath, FileMode.Open, FileAccess.ReadWrite, FileShare.None);
     }
                    catch (IOException)
                    {
                    }
                    bool canRead = fs.CanRead;
                    if (canRead)
                    {
                        fs.Close();
                      
                        Response.Write("