Access to the path '\\abcabc\financedata\PA\mthData.123' is denied

Hi All,
 
I develop an web application which will read a file data from another server directory and insert to database. example : \\abcabc\financedata\PA\mthData.123.
Below is my coding
Try

       
            Using objReader As StreamReader = New StreamReader("\\abcabc\financedata\PA\mthData.123")

                Do While Not objReader.EndOfStream
                    strLine = objReader.ReadLine()
                    str1 = strLine.Substring(6, 4)
                 &nbs ...