/// <summary>
        /// Adds AliasName(mailing list).
        /// </summary>
        /// <param name="aliasName">AliasName name. eg. [email protected]</param>
        /// <param name="Description">AliasName Description.</param>
        /// <param name="AliasMembers">AliasName AliasMembers.</param>
        /// <param name="domainID">DomainID where AliasName belongs.</param>
        /// <param name="isPublic">Specifies if accessible to public or only authenticated users.</param>
        /// <returns></returns>
        public DataRow AddAlias(string aliasName,string Description,string AliasMembers,string domainID,bool isPublic)
        {
            DataRow retVal = null;

            switch(m_DB_Type)
            {
                #region DB_Type.XML

                    case DB_Type.XML:

                        DataSet dsAliasesCopy = dsAliases.Copy();

                        DataRow dr = dsAliasesCopy.Tables["Aliases"].NewRow();
                        dr["AliasID"]      = Guid.NewGuid().ToString();
                        dr["AliasName"]    = aliasName;
                        dr["Description"]  = Description;
                        dr["AliasMembers"] = AliasMembers;
                        dr["DomainID"]     = domainID;
                        dr["IsPublic"]     = isPublic;

                        dsAliasesCopy.Tables["Aliases"].Rows.Add(dr);
                        dsAliasesCopy.WriteXml(m_DataPath + "Aliases.xml",XmlWriteMode.IgnoreSchema);

                        retVal = dr;

                        break;

                    #endregion

                #region DB_Type.MSSQL

                    case DB_Type.MSSQL:
                        using(WSqlCommand sqlCmd = new WSqlCommand(m_ConStr,"lspr_AddAlias")){
                            sqlCmd.AddParameter("@AliasName"   ,SqlDbType.NVarChar,aliasName);
                            sqlCmd.AddParameter("@Description" ,SqlDbType.NVarChar,Description);
                            sqlCmd.AddParameter("@Members"     ,SqlDbType.NVarChar,AliasMembers);
                            sqlCmd.AddParameter("@DomainID"    ,SqlDbType.UniqueIdentifier,domainID);
                            sqlCmd.AddParameter("@IsPublic"    ,SqlDbType.Bit,isPublic);

                            DataSet ds = sqlCmd.Execute();
                            ds.Tables[0].TableName = "Aliases";

                            if(ds.Tables["Aliases"].Rows.Count > 0){
                                return ds.Tables["Aliases"].Rows[0];
                            }
                        }
                        break;

                    #endregion

                #region DB_Type.WebServices

                case DB_Type.WebServices:
                    using(RemoteAdmin eng = new RemoteAdmin()){
                        _Core.InitWebService(m_WebServicesUrl,m_WebServicesPwd,m_WebServicesUser,eng);

                        return eng.AddAlias(aliasName,Description,AliasMembers,domainID,isPublic).Tables["Aliases"].Rows[0];
                    }

                #endregion
            }

            return retVal;
        }