Line 515 -----> switch (stringArray[0] + "." + stringArray[1] + ".")
                        {
                            case "11.0.":
                                sqlServerVersion = "SQL Server 2012";
                                file.WriteLine("SQL Server 2012");
                                break;

                            case "10.50.":
                                sqlServerVersion = "SQL Server 2008 R2";
                                file.WriteLine("SQL Server 2008 R2");
                                break;

                            case "10.0.":
                                sqlServerVersion = "SQL Server 2008";
                                file.WriteLine("SQL Server 2008");
                                break;

                            case "9.00.":
                                sqlServerVersion = "SQL Server 2005";
                                file.WriteLine("SQL Server 2005");
                                break;
                        }
                    }`

string str  = row["Version"].ToString();
str = str.Insert(str.Length, ".");

switch(str)
{
   ...
}