find sql database server instance and mdf file on LAN

 public void GetSQLInstances()
{
         System.Data.Sql.SqlDataSourceEnumerator instance = System.Data.Sql.SqlDataSourceEnumerator.Instance;
         dataTable = instance.GetDataSources();
         if (dataTable.Rows.Count > 0)
         {
               InstancesInformation();
         }
}

}


private void InstancesInformation()
{
         string strList;
         foreach (System.Data.DataRow row in dataTable.Rows)
         {
                    strList += row[0], row[1];
         }
}