{"id":2551,"date":"2014-08-15T09:45:37","date_gmt":"2014-08-15T01:45:37","guid":{"rendered":"http:\/\/kuki.idv.tw\/?p=2551"},"modified":"2014-08-15T09:45:37","modified_gmt":"2014-08-15T01:45:37","slug":"asp-net%e7%9a%84%e4%be%86%e5%9b%9e%e6%a8%a1%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/www.kuki.idv.tw\/?p=2551","title":{"rendered":"ASP.NET\u7684\u4f86\u56de\u6a21\u5f0f"},"content":{"rendered":"<h3 style=\"color: black;\"><span id=\"ASP.NET.E7.9A.84.E4.BE.86.E5.9B.9E.E6.A8.A1.E5.BC.8F\" class=\"mw-headline\">ASP.NET\u7684\u4f86\u56de\u6a21\u5f0f<\/span><\/h3>\n<p style=\"color: #252525;\">\u5728 ASP.NET \u904b\u884c\u7684\u6642\u5019\uff0c\u7d93\u5e38\u6703\u6709\u7db2\u9801\u7684\u4f86\u56de\u52d5\u4f5c (round-trip)\uff0c\u5728 ASP.NET \u4e2d\u7a31\u70ba\u00a0<b>PostBack<\/b>\uff0c\u5728\u50b3\u7d71\u7684 ASP \u6280\u8853\u4e0a\uff0c\u5224\u65b7\u7db2\u9801\u7684\u4f86\u56de\u662f\u9700\u8981\u7531\u958b\u767c\u4eba\u54e1\u81ea\u884c\u64b0\u5beb\uff0c\u5230\u4e86 ASP.NET \u6642\uff0c\u958b\u767c\u4eba\u54e1\u53ef\u4ee5\u7528 Page.IsPostBack \u6a5f\u80fd\u4f86\u5224\u65b7\u662f\u5426\u70ba\u7b2c\u4e00\u6b21\u57f7\u884c\uff08\u7576 ASP.NET \u767c\u73fe HTTP POST \u8981\u6c42\u7684\u8cc7\u6599\u662f\u7a7a\u503c\u6642\uff09\uff0c\u5b83\u53ef\u4ee5\u4fdd\u8b49 ASP.NET \u7684\u63a7\u5236\u9805\u4e8b\u4ef6\u53ea\u6703\u57f7\u884c\u4e00\u6b21\uff0c\u4f46\u662f\u5b83\u6709\u500b<span style=\"color: #ff0000;\">\u7f3a\u9ede<\/span>\uff08\u57fa\u65bc HTTP POST \u672c\u8eab\u7684\u7f3a\u9677\uff09\uff0c\u5c31\u662f\u82e5\u4f7f\u7528\u8005\u4f7f\u7528\u700f\u89bd\u5668\u7684\u91cd\u65b0\u6574\u7406\u529f\u80fd\uff08\u6309 F5 \u6216\u91cd\u65b0\u6574\u7406\u7684\u6309\u9215\uff09\u91cd\u65b0\u6574\u7406\u7db2\u9801\u6642\uff0c\u6700\u5f8c\u4e00\u6b21\u57f7\u884c\u7684\u4e8b\u4ef6\u6703\u518d\u88ab\u57f7\u884c\u4e00\u6b21\uff0c\u82e5\u8981\u907f\u514d\u9019\u500b\u72c0\u6cc1\uff0c\u5fc5\u9808\u8981\u5f37\u8feb\u700f\u89bd\u5668\u6e05\u7a7a\u5feb\u53d6\u624d\u53ef\u4ee5\u3002<\/p>\n<p style=\"color: #252525;\">ASP.NET 2.0 \u4e2d\u6709\u65b0\u589e\u4e09\u500b\u4f86\u56de\u6a21\u5f0f\uff1a<\/p>\n<ul>\n<li>Cross Page Postback\uff1a\u5141\u8a31\u8de8\u4e0d\u540c\u7684\u7db2\u9801\u57f7\u884c PostBack\uff0c\u4f3a\u670d\u7aef\u53ef\u4f7f\u7528 Page.IsCrossPostBack \u4f86\u5224\u65b7\u662f\u5426\u662f\u8de8\u7db2\u9801\u578b\u7684\u4f86\u56de\u3002<\/li>\n<li>Async Page Mode\uff1a\u5141\u8a31\u7db2\u9801\u4f7f\u7528\u975e\u540c\u6b65\u7684\u65b9\u5f0f\u57f7\u884c\uff0c\u4f3a\u670d\u7aef\u53ef\u7528 Page.IsAsync \u4f86\u5224\u65b7\u3002<\/li>\n<li>Callback\uff1aASP.NET 2.0 \u65b0\u589e\u7684\u7531\u7db2\u9801\u56de\u547c\u4f7f\u7528\u8005\u7aef\u6307\u4ee4\u7684\u529f\u80fd\uff0c\u4f3a\u670d\u7aef\u53ef\u7528 Page.IsCallback \u4f86\u5224\u65b7\u662f\u5426\u8981\u6c42\u662f\u4f86\u81ea Callback\u3002<\/li>\n<\/ul>\n<p style=\"color: #252525;\"><span style=\"color: #ff0000;\">\u4f86\u56de\u6a21\u5f0f\u4e0d\u50c5\u662f ASP.NET \u904b\u4f5c\u6642\u7684\u6838\u5fc3\uff0c\u5b83\u4e5f\u662f ASP.NET \u61c9\u7528\u7a0b\u5f0f\u7684\u4e00\u500b\u4e3b\u8981\u7f3a\u9ede<\/span>\uff0c<span style=\"color: #0000ff;\">\u5c24\u5176\u662f\u5728\u8a2d\u8a08\u8907\u96dc\u5ea6\u9ad8\u7684\u9801\u9762\u6642<\/span>\uff0c\u5728\u7db2\u9801\u4e2d\u96b1\u85cf\u7684 ViewState \u7684\u5927\u5c0f\u6703\u76f8\u7576\u5927\uff0c\u800c\u5728\u6bcf\u6b21\u7684\u4f86\u56de\u52d5\u4f5c\u4e2d\uff0c\u90fd\u6703\u50b3\u9001 ViewState \u5728\u5167\u7684\u8868\u55ae\u8cc7\u8a0a\uff0c\u5927\u91cf\u7684 ViewState \u6703\u4f7f\u5f97\u50b3\u9001\u7684\u6642\u9593\u62c9\u9577\uff0c\u800c\u4e14\u6bcf\u6b21\u4f86\u56de\u52d5\u4f5c\u90fd\u6703\u8b93\u6574\u500b\u7db2\u9801\u88ab\u91cd\u65b0\u6574\u7406\uff0c\u800c\u51fa\u73fe\u9583\u720d\u7684\u60c5\u6cc1\uff08\u5c31\u7b97\u5728\u672c\u6a5f\u7aef\u4e5f\u4e00\u6a23\uff09\uff0c\u4f46\u5728<a style=\"color: #0b0080;\" title=\"AJAX\" href=\"http:\/\/zh.wikipedia.org\/wiki\/AJAX\">AJAX<\/a>\u6280\u8853\u5c1a\u672a\u6210\u719f\u6642\uff0c\u53ea\u80fd\u5920\u5fcd\u53d7\u9019\u7a2e\u56e0\u5e95\u5c64\u9650\u5236\u6240\u5e36\u4f86\u7684\u554f\u984c\uff0c\u5728<a style=\"color: #0b0080;\" title=\"ASP.NET AJAX\" href=\"http:\/\/zh.wikipedia.org\/wiki\/ASP.NET_AJAX\">ASP.NET AJAX<\/a>\u6280\u8853\u767c\u5c55\u51fa\u4f86\u5f8c\uff0c\u900f\u904e<b>UpdatePanel<\/b>\u6210\u529f\u7684\u7de9\u89e3\u4e86\u9019\u500b\u554f\u984c\uff08\u4f46 <span style=\"color: #ff0000;\">ViewState \u50b3\u9001\u7684\u554f\u984c\u4ecd\u7136\u672a\u6839\u672c\u7684\u89e3\u6c7a<\/span>\uff0c\u5fc5\u9808\u8981\u4f7f\u7528\u50cf Page Method \u9019\u6a23\u7684\u65b9\u5f0f\u624d\u80fd\u5fb9\u5e95\u7684\u89e3\u6c7a\uff09\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>ASP.NET\u7684\u4f86\u56de\u6a21\u5f0f \u5728 ASP.NET \u904b\u884c\u7684\u6642\u5019\uff0c\u7d93\u5e38\u6703\u6709\u7db2\u9801\u7684\u4f86\u56de\u52d5\u4f5c (round-trip)\uff0c\u5728 &hellip; <a href=\"https:\/\/www.kuki.idv.tw\/?p=2551\" class=\"more-link\">\u95b1\u8b80\u5168\u6587<span class=\"screen-reader-text\">\u3008ASP.NET\u7684\u4f86\u56de\u6a21\u5f0f\u3009<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.kuki.idv.tw\/index.php?rest_route=\/wp\/v2\/posts\/2551"}],"collection":[{"href":"https:\/\/www.kuki.idv.tw\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kuki.idv.tw\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kuki.idv.tw\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kuki.idv.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2551"}],"version-history":[{"count":1,"href":"https:\/\/www.kuki.idv.tw\/index.php?rest_route=\/wp\/v2\/posts\/2551\/revisions"}],"predecessor-version":[{"id":2552,"href":"https:\/\/www.kuki.idv.tw\/index.php?rest_route=\/wp\/v2\/posts\/2551\/revisions\/2552"}],"wp:attachment":[{"href":"https:\/\/www.kuki.idv.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2551"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kuki.idv.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2551"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kuki.idv.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2551"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}