{"id":454,"date":"2009-10-05T08:46:58","date_gmt":"2009-10-04T23:46:58","guid":{"rendered":"http:\/\/www.nak.co.jp\/cp-bin\/wp271\/?p=454"},"modified":"2009-10-05T08:46:58","modified_gmt":"2009-10-04T23:46:58","slug":"entity-framework%e3%80%80%e3%81%a8%e3%82%b3%e3%83%ac%e3%82%af%e3%82%b7%e3%83%a7%e3%83%b3","status":"publish","type":"post","link":"https:\/\/hi-kaka.com\/wp\/entity-framework%e3%80%80%e3%81%a8%e3%82%b3%e3%83%ac%e3%82%af%e3%82%b7%e3%83%a7%e3%83%b3\/","title":{"rendered":"Entity Framework \u3068 MyDataBinding"},"content":{"rendered":"

LINQ\u3067\u306f\u57fa\u672c\u7684\u306b\u3001\u53b3\u5bc6\u306b\u578b\u6307\u5b9a\u3055\u308c\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u3053\u308c\u306e\u3044\u3044\u3068\u3053\u308d\u3068\u60aa\u3044\u3068\u3053\u308d\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u3044\u3044\u3068\u3053\u308d\u306f\u3001\u30bf\u30a4\u30d7\u30a4\u30f3\u306e\u9014\u4e2d\u3067\u30a4\u30f3\u30c6\u30ea\u30bb\u30f3\u30b9\u304c\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u304f\u308c\u307e\u3059\u306e\u3067\u3001\u30b1\u30a2\u30ec\u30b9\u30df\u30b9\u3092\u9632\u3044\u3067\u304f\u308c\u307e\u3059\u3002\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3082\u591a\u5c11\u3044\u3044\u304b\u3082\u77e5\u308c\u307e\u305b\u3093\u3002<\/p>\n

\u3068\u3053\u308d\u304cDB\u304b\u3089\u62bd\u51fa\u3057\u305f\u30c7\u30fc\u30bf\u3092\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u306b\u8868\u793a\u3057\u305f\u308a\u3001\u9006\u306b\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u306e\u30c7\u30fc\u30bf\u3092DB\u306b\u4fdd\u5b58\u3059\u308b\u3068\u304d\u306e\u30b3\u30fc\u30c9\u304c\u591a\u5c11\u7169\u308f\u3057\u304f\u306a\u308a\u307e\u3059\u3002
\n\u3053\u306e\u539f\u56e0\u3092\u4f5c\u3063\u3066\u3044\u308b\u306e\u306f\u3001\u79c1\u304c[Data Binding]\u3092\u5acc\u3063\u3066\u3044\u308b\u304b\u3089\u3067\u3059\u3002.NET\u306e[Data Binding]\u3092\u4fe1\u983c\u3057\u3066\u4f7f\u3046\u306e\u3067\u3042\u308c\u3070\u3059\u3079\u3066\u304c\u30cf\u30c3\u30d4\u30fc\u3067\u3059\u3002<\/p>\n

\u79c1\u304c[Data Binding]\u3092\u5acc\u3063\u3066\u3044\u308b\u306e\u306f\u3001\uff08\u79c1\u304c\uff09\u3053\u306e\u52d5\u304d\u3092\u5341\u5206\u306b\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3067\u304d\u306a\u3044\u304b\u3089\u3067\u3059\u3002\u79c1\u306e\u4e88\u60f3\u3092\u8d85\u3048\u305f\u52d5\u304d\u3092\u3059\u308b\u306e\u3067\u3001\u300c\u4f7f\u3048\u306a\u3044\u300d\u3068\uff08\u3082\u3057\u304b\u3057\u3066\uff09\u52dd\u624b\u306b\u601d\u3063\u3066\u3044\u308b\u306e\u3067\u3059\u3002\u307e\u305f\u3001[Data Binding]\u3067Format\u304a\u3088\u3073Parse\u3092\u7d30\u304b\u304f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3067\u304d\u306a\u3044\uff08\u3068\u601d\u3063\u3066\u3044\u308b\uff09\u306e\u3082\uff08\u3057\u304b\u3082\u6c7a\u5b9a\u7684\uff09\u4e00\u56e0\u3067\u3059\u3002<\/p>\n[Data Binding]\u3092\u4f7f\u308f\u306a\u3044\u3067\u30c7\u30fc\u30bf\u3092\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u306b\u8868\u793a\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u3088\u3046\u306bEntity\uff08\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\uff09\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4e00\u3064\u305a\u3064\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u306eText\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u30a2\u30b5\u30a4\u30f3\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

\uff08\u3044\u307e\u3001context\u306fEDM\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3001Books\u306f\u3053\u306eEDM\u306b\u542b\u307e\u308c\u308bEntitySet\u540d\u3001Title\u3001Author\u304a\u3088\u3073Price\u306fBook Table\u306e\u5217\u540d\uff08=Entity\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u540d\uff09\u3068\u3057\u307e\u3059\u3002
\n\u307e\u305f\u3001\u753b\u9762\u306bTextBox\u3001txt\u66f8\u7c4d\u540d\u3001txt\u8457\u8005\u540d\u304a\u3088\u3073txt\u4fa1\u683c\u304c\u914d\u7f6e\u3055\u308c\u3066\u3044\u308b\u3068\u3057\u307e\u3059\u3002\uff09<\/p>\n

    Dim query = (From book In context.Books).First\n    txt\u66f8\u7c4d\u540d.Text = query.Title\n    txt\u8457\u8005\u540d.Text = query.Author\n    txt\u4fa1\u683c.Text = query.Price<\/pre>\n
\u4e00\u822c\u306b\u306f\u753b\u9762\u306b\u306f\u6ca2\u5c71\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u304c\u914d\u7f6e\u3055\u308c\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u4e0a\u306e\u30b3\u30fc\u30c9\u306f\u66f8\u304d\u305f\u304f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n
\u3068\u3053\u308d\u3067ADO.NET\u3067\u306f\u6b21\u306e\u3088\u3046\u306b\u5217\u540d\u3092\u6587\u5b57\u5217\u3067\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\uff08\u3044\u307e\u691c\u7d22\u3057\u305f[DataRow]\u3092dr\u3068\u3057\u307e\u3059\uff09\u3002<\/p>\n
    txt\u66f8\u7c4d\u540d.Text = dr(\"Title\")\n    txt\u8457\u8005\u540d.Text = dr(\"Author\")\n    txt\u4fa1\u683c.Text = dr(\"Price\")<\/pre>\n
\u3057\u305f\u304c\u3063\u3066\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb[txt\u66f8\u7c4d\u540d]\u3068\u5217\u540d”Title”\u7b49\u306e\u30de\u30c3\u30d7\u3092\u3042\u3089\u304b\u3058\u3081\u4f5c\u6210\u3057\u3066\u304a\u3051\u3070\u3001\u3053\u306e\u30de\u30c3\u30d4\u30f3\u30b0\u3092\u4f7f\u3063\u3066\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u30a2\u30b5\u30a4\u30f3\u3059\u308b\u4ed5\u7d44\u307f\u3092\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002
\n\u4f8b\u3048\u3070\u3001\u3053\u306e\u30de\u30c3\u30d4\u30f3\u30b0\u306f9\u670818\u65e5\u300123\u65e5\u30d6\u30ed\u30b0\u3067\u7d39\u4ecb\u3057\u307e\u3057\u305f[CtrlBindingCollection]\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n[CtrlBindingCollection]\u306e\u30e1\u30bd\u30c3\u30c9[Display]\u3092\u6b21\u306e\u3088\u3046\u306b\u5b9a\u7fa9\u3057\u307e\u3059\u3002
\n\uff08\u6b63\u78ba\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u6982\u5ff5\u7684\u306a\u8aac\u660e\u3068\u7406\u89e3\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u307e\u305f\u4ee5\u4e0b\u3067\u3001[P_lst]\u3001[P_Control]\u3001[P_\u5217\u540d]\u306f\u305d\u308c\u305e\u308c[m_lst]\u3001[m_Control]\u3001[m_\u5217\u540d]\u306b\u5bfe\u5fdc\u3057\u305f\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u3059\u3002\uff09<\/p>\n
\u3000\u3000Sub Display(ByVal dr As DataRow)\n\u3000\u3000\u3000\u3000For each c As Cell In P_lst\n  \u3000\u3000\u3000\u3000\u3000\u3000c.P_Control.Text = dr(c.P_\u5217\u540d)\n\u3000\u3000\u3000\u3000End For\n\u3000\u3000End Sub<\/pre>\n
\u305d\u3046\u3059\u308c\u3070\u3001<\/p>\n
    Dim CBC As New\u00a0CtrlBindingCollection\n    With CBC\n\u3000    .Bind(txt\u66f8\u7c4d\u540d, \u201cTitle\u201d, \u201cString\u201d, True)\n\u3000\u3000  .Bind(txt\u8457\u8005\u540d, \u201cAuthor\u201d, \u201cString\u201d, True)\n\u3000\u3000  .Bind(txt\u4fa1\u683c, \u201cPrice\u201d, \u201cInteger\u201d, True)\n    End With<\/pre>\n
(\u3053\u3053\u3067\u3001Bind\u30e1\u30bd\u30c3\u30c9\u306e\u7b2c\u4e00\u5f15\u6570\u306f\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3001\u7b2c\u4e8c\u5f15\u6570\u306f\u305d\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u306b\u5bfe\u5fdc\u3057\u305fDB\u30c6\u30fc\u30d6\u30eb\u306e\u5217\u540d\u3001\u7b2c\u4e09\u5f15\u6570\u306f\u305d\u306e\u30c7\u30fc\u30bf\u578b–\u8aac\u660e\u306e\u305f\u3081”String”\u7b49\u306e\u6587\u5b57\u5217\u3067\u66f8\u3044\u3066\u3044\u307e\u3059\u304c\u3001\u5b9f\u969b\u306b\u306f\u72ec\u81ea\u306b\u5b9a\u7fa9\u3057\u305f\u30c7\u30fc\u30bf\u578b\u306eEnum\u5024\u3067\u3059–\u3001\u7b2c\u56db\u5f15\u6570\u306f\u30a8\u30f3\u30bf\u30fc\u30ad\u30fc\u3067\u6b21\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u306b\u79fb\u52d5\u3059\u308b\u304b\u3069\u3046\u304b\u306e\u30d5\u30e9\u30b0\u3067\u3059)<\/p>\n
\u3092\u5b9f\u884c\u3057\u3066\u304a\u3051\u3070\u3001<\/p>\n
CBC.Display(dr)<\/p>\n
\u3067\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u306b\u30c7\u30fc\u30bf\u3092\u8868\u793a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\uff08\u4e88\u3081dr\u306f\u8aad\u307f\u8fbc\u307e\u308c\u305fDataRow\u3060\u3068\u3057\u307e\u3059\uff09\u3002
\n\u9006\u306bDB\u4fdd\u5b58\u7528\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u3067\u3001\u30c7\u30fc\u30bf\u306eDB\u3078\u306e\u66f8\u304d\u51fa\u3057\u3092\u4e00\u3064\u306e\u30e1\u30bd\u30c3\u30c9\u306e\u30b3\u30fc\u30eb\u3067\u5b8c\u4e86\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002
\n\u3053\u306e[CtrlBindingCollection]\u3092\u5341\u5206\u7df4\u3063\u3066\u6c4e\u7528\u7684\u306b\u3057\u3066\u304a\u3051\u3070\u3001\u3053\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306b\u767b\u9332\u3057\u305f\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3092\u4e00\u6589\u306b\u64cd\u4f5c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u3067\u306f\u3001\u53b3\u5bc6\u306b\u578b\u6307\u5b9a\u3055\u308c\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u57fa\u672c\u3068\u3057\u3066\u3044\u308bLINQ\u3067\u306f\u3069\u3046\u3059\u308b\u3002<\/p>\n
\u5148\u306e\u4f8b\u3067\u3001[txt\u66f8\u7c4d\u540d]\u3068 [query.Title]\u3068\u306e\u30de\u30c3\u30d7\u3092\u4f5c\u3063\u3066\u307f\u3066\u3082\u4f55\u306e\u5f79\u306b\u3082\u7acb\u3061\u307e\u305b\u3093([txt\u66f8\u7c4d\u540d]\u3068 dr(“Title”)
\n\u306e\u30de\u30c3\u30d7\u3092\u4f5c\u3063\u3066\u3082\u5f79\u306b\u7acb\u305f\u306a\u3044\u306e\u3068\u540c\u3058\u3067\u3059)\u3002
\n\u306a\u305c\u306a\u3089\u3001[query.Title]\u306f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u3059\u306e\u3067\uff08\u8a55\u4fa1\u3055\u308c\u3066\u4f8b\u3048\u3070”\u5742\u4e4b\u4e0a\u306e\u96f2”\u3067\u3042\u308a\uff09\u3001\u3053\u308c\u3068[txt\u66f8\u7c4d\u540d]\u3068\u306e\u30de\u30c3\u30d7\u3092\u4fdd\u5b58\u3057\u3066\u307f\u3066\u3082\u610f\u5473\u304c\u306a\u3044\u306e\u3067\u3059\u3002<\/p>\n
\u7d50\u8ad6\u304b\u3089\u3044\u3048\u3070\u3001\u89e3\u6c7a\u7b56\u306f[Programming Entity Framework]\u306e17\u7ae0\u306b\u66f8\u304b\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
LINQ\u3067\u306f\u57fa\u672c\u7684\u306b\u3001\u53b3\u5bc6\u306b\u578b\u6307\u5b9a\u3055\u308c\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u3053\u308c\u306e\u3044\u3044\u3068\u3053\u308d\u3068\u60aa\u3044\u3068\u3053\u308d\u304c\u3042\u308a\u307e\u3059\u3002 \u3044\u3044\u3068\u3053\u308d\u306f\u3001\u30bf\u30a4\u30d7\u30a4\u30f3\u306e\u9014\u4e2d\u3067\u30a4\u30f3\u30c6\u30ea\u30bb\u30f3\u30b9\u304c\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u304f\u308c\u307e\u3059\u306e\u3067\u3001\u30b1\u30a2\u30ec\u30b9\u30df\u30b9\u3092\u9632\u3044\u3067\u304f\u308c […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","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":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[34],"tags":[],"class_list":{"0":"post-454","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-linq","7":"czr-hentry"},"yoast_head":"\nEntity Framework \u3068 MyDataBinding - 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