Hay maneras y maneras de llenar ese dropdownlist... la manera más simple es la sgte:
o peor aún, así:
Osea hardcodear... eso lo puede hacer todo el mundo y no he escrito este post para decirles que lo hagan de esa manera... al contrario, no lo hagan. Les propongo una solución inteligente:
vamos a crear un archivo xml llamado Countries.xml en la raiz de nuestra aplicación web, y allí vamos a guardar la lista de todos los países. Algo así:
Luego, para obtener esos valores desde mi pagina.aspx, añado un dropdownlist llamado ddlCountries a mi pagina. Después, voy al code beside de la página y escribo unas cuantas líneas:
Es todo. Demasiado simple para ser cierto. Les dejo la lista de países por si no la tuvieran.
[?xml version="1.0" standalone="yes" ?]
[Countries]
[Country Title="Afghanistan" Code="AF"][/Country]
[Country Title="Albania" Code="AL"][/Country]
[Country Title="Algeria" Code="DZ"][/Country]
[Country Title="American Samoa" Code="AS"][/Country]
[Country Title="Andorra" Code="AD"][/Country]
[Country Title="Angola" Code="AO"][/Country]
[Country Title="Anguilla" Code="AI"][/Country]
[Country Title="Antarctica" Code="AQ"][/Country]
[Country Title="Antigua And Barbuda" Code="AG"][/Country]
[Country Title="Argentina" Code="AR"][/Country]
[Country Title="Armenia" Code="AM"][/Country]
[Country Title="Aruba" Code="AW"][/Country]
[Country Title="Australia" Code="AU"][/Country]
[Country Title="Austria" Code="AT"][/Country]
[Country Title="Azerbaijan" Code="AZ"][/Country]
[Country Title="Bahamas" Code="BS"][/Country]
[Country Title="Bahrain" Code="BH"][/Country]
[Country Title="Bangladesh" Code="BD"][/Country]
[Country Title="Barbados" Code="BB"][/Country]
[Country Title="Belarus" Code="BY"][/Country]
[Country Title="Belgium" Code="BE"][/Country]
[Country Title="Belize" Code="BZ"][/Country]
[Country Title="Benin" Code="BJ"][/Country]
[Country Title="Bermuda" Code="BM"][/Country]
[Country Title="Bhutan" Code="BT"][/Country]
[Country Title="Bolivia" Code="BO"][/Country]
[Country Title="Bosnia And Herzegowina" Code="BA"][/Country]
[Country Title="Botswana" Code="BW"][/Country]
[Country Title="Bouvet Island" Code="BV"][/Country]
[Country Title="Brazil" Code="BR"][/Country]
[Country Title="British Indian Ocean Territory" Code="IO"][/Country]
[Country Title="Brunei Darussalam" Code="BN"][/Country]
[Country Title="Bulgaria" Code="BG"][/Country]
[Country Title="Burkina Faso" Code="BF"][/Country]
[Country Title="Burundi" Code="BI"][/Country]
[Country Title="Cambodia" Code="KH"][/Country]
[Country Title="Cameroon" Code="CM"][/Country]
[Country Title="Canada" Code="CA"][/Country]
[Country Title="Cape Verde" Code="CV"][/Country]
[Country Title="Cayman Islands" Code="KY"][/Country]
[Country Title="Central African Republic" Code="CF"][/Country]
[Country Title="Chad" Code="TD"][/Country]
[Country Title="Chile" Code="CL"][/Country]
[Country Title="China" Code="CN"][/Country]
[Country Title="Christmas Island" Code="CX"][/Country]
[Country Title="Cocos (Keeling) Islands" Code="CC"][/Country]
[Country Title="Colombia" Code="CO"][/Country]
[Country Title="Comoros" Code="KM"][/Country]
[Country Title="Congo" Code="CG"][/Country]
[Country Title="Cook Islands" Code="CK"][/Country]
[Country Title="Costa Rica" Code="CR"][/Country]
[Country Title="Cote D'Ivoire" Code="CI"][/Country]
[Country Title="Croatia (Local Name: Hrvatska)" Code="HR"][/Country]
[Country Title="Cuba" Code="CU"][/Country]
[Country Title="Cyprus" Code="CY"][/Country]
[Country Title="Czech Republic" Code="CZ"][/Country]
[Country Title="Denmark" Code="DK"][/Country]
[Country Title="Djibouti" Code="DJ"][/Country]
[Country Title="Dominica" Code="DM"][/Country]
[Country Title="Dominican Republic" Code="DO"][/Country]
[Country Title="East Timor" Code="TP"][/Country]
[Country Title="Ecuador" Code="EC"][/Country]
[Country Title="Egypt" Code="EG"][/Country]
[Country Title="El Salvador" Code="SV"][/Country]
[Country Title="Equatorial Guinea" Code="GQ"][/Country]
[Country Title="Eritrea" Code="ER"][/Country]
[Country Title="Estonia" Code="EE"][/Country]
[Country Title="Ethiopia" Code="ET"][/Country]
[Country Title="Falkland Islands (Malvinas)" Code="FK"][/Country]
[Country Title="Faroe Islands" Code="FO"][/Country]
[Country Title="Fiji" Code="FJ"][/Country]
[Country Title="Finland" Code="FI"][/Country]
[Country Title="France" Code="FR"][/Country]
[Country Title="French Guiana" Code="GF"][/Country]
[Country Title="French Polynesia" Code="PF"][/Country]
[Country Title="French Southern Territories" Code="TF"][/Country]
[Country Title="Gabon" Code="GA"][/Country]
[Country Title="Gambia" Code="GM"][/Country]
[Country Title="Georgia" Code="GE"][/Country]
[Country Title="Germany" Code="DE"][/Country]
[Country Title="Ghana" Code="GH"][/Country]
[Country Title="Gibraltar" Code="GI"][/Country]
[Country Title="Greece" Code="GR"][/Country]
[Country Title="Greenland" Code="GL"][/Country]
[Country Title="Grenada" Code="GD"][/Country]
[Country Title="Guadeloupe" Code="GP"][/Country]
[Country Title="Guam" Code="GU"][/Country]
[Country Title="Guatemala" Code="GT"][/Country]
[Country Title="Guinea" Code="GN"][/Country]
[Country Title="Guinea-Bissau" Code="GW"][/Country]
[Country Title="Guyana" Code="GY"][/Country]
[Country Title="Haiti" Code="HT"][/Country]
[Country Title="Heard And Mc Donald Islands" Code="HM"][/Country]
[Country Title="Holy See (Vatican City State)" Code="VA"][/Country]
[Country Title="Honduras" Code="HN"][/Country]
[Country Title="Hong Kong" Code="HK"][/Country]
[Country Title="Hungary" Code="HU"][/Country]
[Country Title="Iceland" Code="IS"][/Country]
[Country Title="India" Code="IN"][/Country]
[Country Title="Indonesia" Code="ID"][/Country]
[Country Title="Iran (Islamic Republic Of)" Code="IR"][/Country]
[Country Title="Iraq" Code="IQ"][/Country]
[Country Title="Ireland" Code="IE"][/Country]
[Country Title="Israel" Code="IL"][/Country]
[Country Title="Italy" Code="IT"][/Country]
[Country Title="Jamaica" Code="JM"][/Country]
[Country Title="Japan" Code="JP"][/Country]
[Country Title="Jordan" Code="JO"][/Country]
[Country Title="Kazakhstan" Code="KZ"][/Country]
[Country Title="Kenya" Code="KE"][/Country]
[Country Title="Kiribati" Code="KI"][/Country]
[Country Title="Korea, Dem People'S Republic" Code="KP"][/Country]
[Country Title="Korea, Republic Of" Code="KR"][/Country]
[Country Title="Kuwait" Code="KW"][/Country]
[Country Title="Kyrgyzstan" Code="KG"][/Country]
[Country Title="Lao People'S Dem Republic" Code="LA"][/Country]
[Country Title="Latvia" Code="LV"][/Country]
[Country Title="Lebanon" Code="LB"][/Country]
[Country Title="Lesotho" Code="LS"][/Country]
[Country Title="Liberia" Code="LR"][/Country]
[Country Title="Libyan Arab Jamahiriya" Code="LY"][/Country]
[Country Title="Liechtenstein" Code="LI"][/Country]
[Country Title="Lithuania" Code="LT"][/Country]
[Country Title="Luxembourg" Code="LU"][/Country]
[Country Title="Macau" Code="MO"][/Country]
[Country Title="Macedonia" Code="MK"][/Country]
[Country Title="Madagascar" Code="MG"][/Country]
[Country Title="Malawi" Code="MW"][/Country]
[Country Title="Malaysia" Code="MY"][/Country]
[Country Title="Maldives" Code="MV"][/Country]
[Country Title="Mali" Code="ML"][/Country]
[Country Title="Malta" Code="MT"][/Country]
[Country Title="Marshall Islands" Code="MH"][/Country]
[Country Title="Martinique" Code="MQ"][/Country]
[Country Title="Mauritania" Code="MR"][/Country]
[Country Title="Mauritius" Code="MU"][/Country]
[Country Title="Mayotte" Code="YT"][/Country]
[Country Title="Mexico" Code="MX"][/Country]
[Country Title="Micronesia, Federated States" Code="FM"][/Country]
[Country Title="Moldova, Republic Of" Code="MD"][/Country]
[Country Title="Monaco" Code="MC"][/Country]
[Country Title="Mongolia" Code="MN"][/Country]
[Country Title="Montserrat" Code="MS"][/Country]
[Country Title="Morocco" Code="MA"][/Country]
[Country Title="Mozambique" Code="MZ"][/Country]
[Country Title="Myanmar" Code="MM"][/Country]
[Country Title="Namibia" Code="NA"][/Country]
[Country Title="Nauru" Code="NR"][/Country]
[Country Title="Nepal" Code="NP"][/Country]
[Country Title="Netherlands" Code="NL"][/Country]
[Country Title="Netherlands Ant Illes" Code="AN"][/Country]
[Country Title="New Caledonia" Code="NC"][/Country]
[Country Title="New Zealand" Code="NZ"][/Country]
[Country Title="Nicaragua" Code="NI"][/Country]
[Country Title="Niger" Code="NE"][/Country]
[Country Title="Nigeria" Code="NG"][/Country]
[Country Title="Niue" Code="NU"][/Country]
[Country Title="Norfolk Island" Code="NF"][/Country]
[Country Title="Northern Mariana Islands" Code="MP"][/Country]
[Country Title="Norway" Code="NO"][/Country]
[Country Title="Oman" Code="OM"][/Country]
[Country Title="Pakistan" Code="PK"][/Country]
[Country Title="Palau" Code="PW"][/Country]
[Country Title="Panama" Code="PA"][/Country]
[Country Title="Papua New Guinea" Code="PG"][/Country]
[Country Title="Paraguay" Code="PY"][/Country]
[Country Title="Peru" Code="PE"][/Country]
[Country Title="Philippines" Code="PH"][/Country]
[Country Title="Pitcairn" Code="PN"][/Country]
[Country Title="Poland" Code="PL"][/Country]
[Country Title="Portugal" Code="PT"][/Country]
[Country Title="Puerto Rico" Code="PR"][/Country]
[Country Title="Qatar" Code="QA"][/Country]
[Country Title="Reunion" Code="RE"][/Country]
[Country Title="Romania" Code="RO"][/Country]
[Country Title="Russian Federation" Code="RU"][/Country]
[Country Title="Rwanda" Code="RW"][/Country]
[Country Title="Saint K Itts And Nevis" Code="KN"][/Country]
[Country Title="Saint Lucia" Code="LC"][/Country]
[Country Title="Saint Vincent, The Grenadines" Code="VC"][/Country]
[Country Title="Samoa" Code="WS"][/Country]
[Country Title="San Marino" Code="SM"][/Country]
[Country Title="Sao Tome And Principe" Code="ST"][/Country]
[Country Title="Saudi Arabia" Code="SA"][/Country]
[Country Title="Senegal" Code="SN"][/Country]
[Country Title="Seychelles" Code="SC"][/Country]
[Country Title="Sierra Leone" Code="SL"][/Country]
[Country Title="Singapore" Code="SG"][/Country]
[Country Title="Slovakia (Slovak Republic)" Code="SK"][/Country]
[Country Title="Slovenia" Code="SI"][/Country]
[Country Title="Solomon Islands" Code="SB"][/Country]
[Country Title="Somalia" Code="SO"][/Country]
[Country Title="South Africa" Code="ZA"][/Country]
[Country Title="South Georgia , S Sandwich Is." Code="GS"][/Country]
[Country Title="Spain" Code="ES"][/Country]
[Country Title="Sri Lanka" Code="LK"][/Country]
[Country Title="St. Helena" Code="SH"][/Country]
[Country Title="St. Pierre And Miquelon" Code="PM"][/Country]
[Country Title="Sudan" Code="SD"][/Country]
[Country Title="Suriname" Code="SR"][/Country]
[Country Title="Svalbard, Jan Mayen Islands" Code="SJ"][/Country]
[Country Title="Sw Aziland" Code="SZ"][/Country]
[Country Title="Sweden" Code="SE"][/Country]
[Country Title="Switzerland" Code="CH"][/Country]
[Country Title="Syrian Arab Republic" Code="SY"][/Country]
[Country Title="Taiwan" Code="TW"][/Country]
[Country Title="Tajikistan" Code="TJ"][/Country]
[Country Title="Tanzania, United Republic Of" Code="TZ"][/Country]
[Country Title="Thailand" Code="TH"][/Country]
[Country Title="Togo" Code="TG"][/Country]
[Country Title="Tokelau" Code="TK"][/Country]
[Country Title="Tonga" Code="TO"][/Country]
[Country Title="Trinidad And Tobago" Code="TT"][/Country]
[Country Title="Tunisia" Code="TN"][/Country]
[Country Title="Turkey" Code="TR"][/Country]
[Country Title="Turkmenistan" Code="TM"][/Country]
[Country Title="Turks And Caicos Islands" Code="TC"][/Country]
[Country Title="Tuvalu" Code="TV"][/Country]
[Country Title="Uganda" Code="UG"][/Country]
[Country Title="Ukraine" Code="UA"][/Country]
[Country Title="United Arab Emirates" Code="AE"][/Country]
[Country Title="United Kingdom" Code="GB"][/Country]
[Country Title="United States" Code="US"][/Country]
[Country Title="United States Minor Is." Code="UM"][/Country]
[Country Title="Uruguay" Code="UY"][/Country]
[Country Title="Uzbekistan" Code="UZ"][/Country]
[Country Title="Vanuatu" Code="VU"][/Country]
[Country Title="Venezuela" Code="VE"][/Country]
[Country Title="Viet Nam" Code="VN"][/Country]
[Country Title="Virgin Islands (British)" Code="VG"][/Country]
[Country Title="Virgin Islands (U.S.)" Code="VI"][/Country]
[Country Title="Wallis And Futuna Islands" Code="WF"][/Country]
[Country Title="Western Sahara" Code="EH"][/Country]
[Country Title="Yemen" Code="YE"][/Country]
[Country Title="Yugoslavia" Code="YU"][/Country]
[Country Title="Zaire" Code="ZR"][/Country]
[Country Title="Zambia" Code="ZM"][/Country]
[Country Title="Zimbabwe" Code="ZW"][/Country]
[/Countries]
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