Save file from byte array on servermap path

Hello Everyone,

I Want to save pdf file from byte array and want to save that file on my server map path location.

Here is my code snippet. its giving no error nor saving file. Can please anyone correct my syntax if it wrong or help me by reffering other code snippet.

 

byte[] data = (byte[])listDataset.Tables[0].Rows[0][0];

System.IO.FileStream file = System.IO.File.Create(Server.MapPath(".\\TmpImages\\"+hfFileName+".pdf "));

  file.Write(data, 0, data.Length);
  file.Close();

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