{"id":1291,"date":"2009-08-16T23:21:44","date_gmt":"2009-08-16T14:21:44","guid":{"rendered":"http:\/\/gigasmegas.com\/?p=1291"},"modified":"2009-08-16T23:25:02","modified_gmt":"2009-08-16T14:25:02","slug":"vbnet-tips-datatable%e3%81%ae%e8%a1%8c%e3%82%92%e5%89%8a%e9%99%a4%e3%81%99%e3%82%8b","status":"publish","type":"post","link":"http:\/\/gigasmegas.com\/?p=1291","title":{"rendered":"VB.NET Tips DataTable\u306e\u884c\u3092\u524a\u9664\u3059\u308b"},"content":{"rendered":"<p><a onclick=\"javascript:pageTracker._trackPageview('\/outgoing\/rokuz.com\/?p=1291');\"  href=\"http:\/\/rokuz.com\/?p=1291\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/rokuz.com\/wp-content\/uploads\/2009\/08\/snag-0189-400x246.png\" alt=\"VB.NET Tips DataTable\u306e\u884c\u3092\u524a\u9664\u3059\u308b\" title=\"VB.NET Tips DataTable\u306e\u884c\u3092\u524a\u9664\u3059\u308b\" width=\"400\" height=\"246\" class=\"alignnone size-medium wp-image-1294\" srcset=\"http:\/\/gigasmegas.com\/wp-content\/uploads\/2009\/08\/snag-0189-400x246.png 400w, http:\/\/gigasmegas.com\/wp-content\/uploads\/2009\/08\/snag-0189.png 461w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<address>photo by <a onclick=\"javascript:pageTracker._trackPageview('\/outgoing\/www.flickr.com\/photos\/letgoandletsgo\/');\"  href=\"http:\/\/www.flickr.com\/photos\/letgoandletsgo\/\">letgoandletsgo<\/a><\/address>\n<p>ADO.Net\u3067\u3001DataTable\uff08\u30c7\u30fc\u30bf\u30c6\u30fc\u30d6\u30eb\uff09\u5185\u306e\u884c\u3092\u524a\u9664\u3059\u308b\u306b\u306f\u30012\u901a\u308a\u306e\u3084\u308a\u65b9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>Remove\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u3001\u884c\u305d\u306e\u3082\u306e\u3092\u524a\u9664<\/li>\n<li>Delete\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u3001\u884c\u306eRowState\u306bDelete\u30de\u30fc\u30af\u3092\u3064\u3051\u308b<\/li>\n<\/ul>\n<p><!--more--><\/p>\n<p>DataAdapter(\u30c7\u30fc\u30bf\u30a2\u30c0\u30d7\u30bf\u30fc)\u3092\u4f7f\u7528\u3057\u3066\u3001\u4e00\u65e6DataTable(\u30c7\u30fc\u30bf\u30c6\u30fc\u30d6\u30eb)\u5185\u304b\u3089\u884c\u3092\u524a\u9664\u3059\u308b\u304c\u5f8c\u3067\u3001Update\u3059\u308b\u5834\u5408\u3001Remove\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u884c\u305d\u306e\u3082\u306e\u3092\u524a\u9664\u3057\u3066\u3057\u307e\u3046\u3068\u3001\u3069\u306e\u884c\u304c\u524a\u9664\u3055\u308c\u305f\u306e\u304b\u3092\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9\u3078\u53cd\u6620\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u306a\u304f\u306a\u308a\u307e\u3059\u3002<br \/>\n\u305d\u306e\u305f\u3081\u3001Update\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306fDelete\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u3001RowState\u306bDelete\u30de\u30fc\u30af\u3092\u3064\u3051\u3066\u304a\u304d\u3001Getchanges\u3092\u4f7f\u7528\u3057\u3066\u3001DataTable\u304b\u3089\u66f4\u65b0\u5185\u5bb9\u306b\u5909\u5316\u304c\u3042\u3063\u305f\u3082\u306e\u3092\u53d6\u5f97\u3057\u3001RowState\u304cDelete\u306e\u3082\u306e\u3092\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9\u304b\u3089\u524a\u9664\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"brush: vb; title: ; notranslate\" title=\"\">\r\nDim Row() As DataRow\r\nDim hoge_id as integer = 1 '\u524a\u9664\u8a72\u5f53\u30ec\u30b3\u30fc\u30c9\u3092\u9078\u629e\u3059\u308bID\u5024\u3092\u6307\u5b9a\r\nDim expression As String = &quot;hoge_id = &quot; &amp;amp;amp; hoge_id\r\nRow = DataS.Tables(&quot;hoge&quot;).Select(expression)\r\n\r\nDim DRow As DataRow\r\nDim RowIndex As Integer\r\nRowIndex = DataS.Tables(&quot;hoge&quot;).Rows.IndexOf(Row(0))\r\n\r\n'Delete\u30de\u30fc\u30af\u3092\u3064\u3051\u308b\r\nDataS.Tables(&quot;hoge&quot;).Rows(RowIndex).Delete()\r\n\r\nDim changeTable As DataTable = DataS.Tables(&quot;hoge&quot;).GetChanges()\r\n\r\nIf Not IsNothing(changeTable) Then\r\n    For Each changeRow In changeTable.Rows\r\n    \r\n        '\u524a\u9664\u51e6\u7406\r\n        If changeRow.RowState = DataRowState.Deleted Then\r\n\t\tDataA.Update(DataS.Tables(&quot;hoge&quot;))\r\n        End If\r\n\t\r\n    Next changeRow\r\n    \r\n    DataS.Tables(&quot;cust&quot;).AcceptChanges()\r\n    \r\nEnd If\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>photo by letgoandletsgo ADO.Net\u3067\u3001DataTable\uff08\u30c7\u30fc\u30bf\u30c6\u30fc\u30d6\u30eb\uff09\u5185\u306e\u884c\u3092\u524a\u9664\u3059\u308b\u306b\u306f\u30012\u901a\u308a\u306e\u3084\u308a\u65b9\u304c\u3042\u308a\u307e\u3059\u3002 Remove\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u3001\u884c\u305d\u306e\u3082\u306e\u3092\u524a\u9664 Delete\u30e1\u30bd\u30c3 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31,303,25,32],"tags":[306,396,356,397,254,304,398,399],"class_list":["post-1291","post","type-post","status-publish","format-standard","hentry","category-sqlserver","category-vbnet","category-computer","category-database","tag-net","tag-ado","tag-datatable","tag-delete","tag-tips","tag-vb","tag-398","tag-399"],"_links":{"self":[{"href":"http:\/\/gigasmegas.com\/index.php?rest_route=\/wp\/v2\/posts\/1291","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/gigasmegas.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/gigasmegas.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/gigasmegas.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/gigasmegas.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1291"}],"version-history":[{"count":4,"href":"http:\/\/gigasmegas.com\/index.php?rest_route=\/wp\/v2\/posts\/1291\/revisions"}],"predecessor-version":[{"id":1296,"href":"http:\/\/gigasmegas.com\/index.php?rest_route=\/wp\/v2\/posts\/1291\/revisions\/1296"}],"wp:attachment":[{"href":"http:\/\/gigasmegas.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1291"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/gigasmegas.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1291"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/gigasmegas.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1291"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}