ASP.NET

private static bool CheckForDuplicateRow(FileInfo file
            ,string[] line
            ,int lineNumber
            ,ref bool lineAlreadyVerified)
        {
            CsvStream csvStream;

            using (Stream fileStream = file.OpenRead())
            {
                using (StreamReader reader = new StreamReader(fileStream))
                {
                    csvStream = new CsvStream(reader);
                    string[] rowItems;
                    try
                    {
                        csvStream.GetNextRow(); //This is for header values, we are not comparing for header values

                        rowItems = csvStream.GetNextRow();
                        int rownumber = 1;

                        while (rowItems != null)
                        {
                            if ((rowItems.Length == line.Length) && (rownumber != lineNumber) && (rowItems.Length > 0))
                            {
                                bool b = AreRowItemsEqual(rowItems, line);
                                if (AreRowItemsEqual(rowItems, line) == true)
                                {
                                    if (lineNumber < rownumber)
                                        lineAlreadyVerified = true;
                                    return true;
                                }
                            }
         
                   rowItems = csvStream.GetNextRow();
                            rownumber++;
                        }
                    }
                    catch (Exception e)
                    {                        
                        throw e;
                    }
                }
            }

            return false;
        }

        private static bool AreRowItemsEqual(string[] rowItems, string[] line)
        {
            for (int i = 0; i < rowItems.Length; i++)
            {
                if (rowItems[i] != line[i])
                {
                    return false;
                }
            }
            return true;
        }

protected void dlPhotos_ItemCommand(object source, DataListCommandEventArgs e)
    {
        if (e.CommandName == "Select")
        {
            Response.Write("<script>");
          Response.Write("window.open(Default3.aspx','_self','toolbar=0,location=0,menubar=0,resizable=0,width=400,height=320')");
            Response.Write("</script>");
        }
    }