sqlserver backup restore database function encapsulates and shares

using System;
using SQLDMO;
namespace EDTBackupTool
{
 /// <summary>
 /// Backup  The summary description of. 
 /// </summary>
 public class SQLTools
 { 
  public static bool Backup(string backfile){
   try
   {
    SQLDMO.Backup backup = new BackupClass();
    SQLDMO.SQLServer server = new SQLServerClass();
    server.LoginSecure = true;     
    server.Connect(ClientCommon.CommonFunctions.DataSource,"sa","");      
    backup.Action = SQLDMO.SQLDMO_BACKUP_TYPE.SQLDMOBackup_Database;
    backup.Database = ClientCommon.CommonFunctions.Catalog;
    backup.Files =backfile;
    backup.BackupSetName =ClientCommon.CommonFunctions.Catalog;
    backup.BackupSetDescription = " Database backup ";
    backup.Initialize = true;    
    backup.SQLBackup(server);  
    return true;
   }
   catch(Exception ex){
    ClientCommon.ExceptionRecorder.Record(ex);
    return false;
   }
  }
  public static bool RestoreDB(string strFileName) 
  { 
   SQLDMO.SQLServer svr = new SQLDMO.SQLServerClass() ; 
   try 
   { 
    svr.LoginSecure=true;    
    svr.Connect(ClientCommon.CommonFunctions.DataSource,"sa","") ;   
    SQLDMO.QueryResults qr = svr.EnumProcesses(-1) ; 
    int iColPIDNum = -1 ; 
    int iColDbName = 1 ; 
    for(int i=1;i<=qr.Columns;i++) 
    { 
     string strName = qr.get_ColumnName(i) ; 
     if (strName.ToUpper().Trim() == "SPID") 
     { 
      iColPIDNum = i ; 
     } 
     else if (strName.ToUpper().Trim() == ClientCommon.CommonFunctions.Catalog) 
     { 
      iColDbName = i ; 
     } 
     if (iColPIDNum != -1 && iColDbName != -1) 
      break ; 
    } 
    // Used to kill strDbName Database process 
    for(int i=1;i<=qr.Rows;i++) 
    { 
     int lPID = qr.GetColumnLong(i,iColPIDNum) ; 
     string strDBName = qr.GetColumnString(i,iColDbName) ; 
     if (strDBName.ToUpper() == ClientCommon.CommonFunctions.Catalog) 
     {
      svr.KillProcess(lPID) ; 
     }
    } 

    SQLDMO.Restore res = new SQLDMO.RestoreClass() ; 
    res.Action = 0 ; 
    res.Files = strFileName ; 
    res.Database = ClientCommon.CommonFunctions.Catalog ; 
    res.ReplaceDatabase = true ; 
    res.SQLRestore(svr) ; 
    return true ; 
   } 
   catch
   { 
    return false;
   } 
   finally 
   { 
    svr.DisConnect() ; 
   } 
  } 
 }
}