{"id":617,"date":"2009-09-03T03:13:41","date_gmt":"2009-09-03T01:13:41","guid":{"rendered":"https:\/\/foton.no-ip.com\/BLOG\/?p=617"},"modified":"2010-04-17T00:10:50","modified_gmt":"2010-04-16T22:10:50","slug":"mssql-2005-net","status":"publish","type":"post","link":"https:\/\/foton.szikraistvan.hu\/blog\/?p=617","title":{"rendered":"MSSQL 2005 + .NET"},"content":{"rendered":"<p>Ha valaki sql-lel foglalkozik akkor tudnia kell mi az az SQL Injection, es hogy hogyan lehet vedekezni ellene.<br \/>\npl. php + MySQL : mysqli_real_escape_string()<br \/>\nphp + PostgreSQL : pg_escape_string()<br \/>\ntovabbi leiras :<a href=\"http:\/\/us2.php.net\/manual\/en\/function.addslashes.php\">addslashes()<\/a><br \/>\n(html generalasakor ajanlatos megnezni a htmlspecialchars(), htmlentities() fuggvenyeket)<\/p>\n<p>MSSQL-ben tobb lehetoseg is van az escape character hasznalata mellett:<br \/>\n<a href=\"http:\/\/msdn.microsoft.com\/en-us\/library\/ms998271.aspx\">How To: Protect From SQL Injection in ASP.NET<\/a><br \/>\nAz <a href=\"http:\/\/msdn.microsoft.com\/en-us\/library\/system.data.sqlclient.sqlparameter.aspx\">SqlParameter Class<\/a> hasznalata akkor is jo, ha sql queryben datetime tipusokat kell osszehasonlitani (es nem tudjuk milyen istenverte formaban varja tolunk a datumot)<\/p>\n<p><code>SqlDataAdapter adapter = new SqlDataAdapter(<br \/>\n\"SELECT * FROM Food WHERE expdate < = @expd\", connection);     \nadapter.SelectCommand.Parameters.Add(\"@expd\", SqlDbType.DateTime).Value = DateTime.Now;<\/code><\/p>\n<p>a kapcsolatok megfelelo kezelesere erdemes elolvasni ezt:<br \/>\n<a href=\"http:\/\/davidhayden.com\/blog\/dave\/archive\/2005\/01\/13\/773.aspx\">C# Using Statement <\/a><\/p>\n<p>Adatbazis kapcsolat tarolasa web.config-ban (mert ott jo, vagy machine.config-ban):<br \/>\n<a href=\"http:\/\/msdn.microsoft.com\/en-us\/library\/ms178411.aspx\">How to: Read Connection Strings from the Web.config File<\/a><br \/>\nvagy ConfigurationSettings.AppSettings[...]<br \/>\n<\/code><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ha valaki sql-lel foglalkozik akkor tudnia kell mi az az SQL Injection, es hogy hogyan lehet vedekezni ellene. pl. php + MySQL : mysqli_real_escape_string() php + PostgreSQL : pg_escape_string() tovabbi leiras :addslashes() (html generalasakor ajanlatos megnezni a htmlspecialchars(), htmlentities() fuggvenyeket) &hellip; <a href=\"https:\/\/foton.szikraistvan.hu\/blog\/?p=617\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[32,33],"tags":[74,71,70],"class_list":["post-617","post","type-post","status-publish","format-standard","hentry","category-cooding","category-web","tag-adatbazis","tag-develop","tag-programozas"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p3E7AZ-9X","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/foton.szikraistvan.hu\/blog\/index.php?rest_route=\/wp\/v2\/posts\/617","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/foton.szikraistvan.hu\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/foton.szikraistvan.hu\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/foton.szikraistvan.hu\/blog\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/foton.szikraistvan.hu\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=617"}],"version-history":[{"count":3,"href":"https:\/\/foton.szikraistvan.hu\/blog\/index.php?rest_route=\/wp\/v2\/posts\/617\/revisions"}],"predecessor-version":[{"id":707,"href":"https:\/\/foton.szikraistvan.hu\/blog\/index.php?rest_route=\/wp\/v2\/posts\/617\/revisions\/707"}],"wp:attachment":[{"href":"https:\/\/foton.szikraistvan.hu\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=617"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/foton.szikraistvan.hu\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=617"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/foton.szikraistvan.hu\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=617"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}