“`” \u7279\u5b9a\u7c7b\uff1aConnection\uff0cCommand\uff0cCommandBuilder\uff0cDataAdapter\uff0cDataReader\uff0cParameter\uff0cTransaction<\/p>\n
\u5171\u4eab\u7c7b\uff1aDataSet\uff0cDataTable\uff0cDataRow\uff0cDataColumn\uff0cDataRealtion\uff0cConstraint\uff0cDataColumnMapping\uff0cDataTableMapping<\/p>\n
\uff081\uff09<strong>Connection<\/strong>\uff1a\u5f00\u542f\u7a0b\u5e8f\u4e0e\u6570\u636e\u5e93\u4e4b\u95f4\u7684\u8fde\u63a5\u3002<\/p>\n
\uff082\uff09<strong>Command<\/strong>\uff1a\u5bf9\u6570\u636e\u5e93\u53d1\u9001\u4e00\u4e9b\u6307\u4ee4\u3002\u4f8b\u5982\u589e\u5220\u6539\u67e5\u7b49\u6307\u4ee4\uff0c\u4ee5\u53ca\u8c03\u7528\u5b58\u5728\u6570\u636e\u5e93\u4e2d\u7684\u5b58\u50a8\u8fc7\u7a0b\u7b49\u3002<\/p>\n
\uff083\uff09<strong>DataAdapter<\/strong>\uff1a\u4e3b\u8981\u5728\u6570\u636e\u6e90\u53caDataSet \u4e4b\u95f4\u6267\u884c\u4f20\u8f93\u5de5\u4f5c\uff0c\u901a\u8fc7Command \u4e0b\u8fbe\u547d\u4ee4\u540e\uff0c\u5c06\u53d6\u5f97\u7684\u6570\u636e\u653e\u8fdbDataSet\u5bf9\u8c61\u4e2d\u3002<\/p>\n
\uff084\uff09<strong>DataSet<\/strong>\uff1a\u8fd9\u4e2a\u5bf9\u8c61\u53ef\u89c6\u4e3a\u4e00\u4e2a\u6682\u5b58\u533a(Cache),\u53ef\u4ee5\u628a\u6570\u636e\u5e93\u4e2d\u6240\u67e5\u8be2\u5230\u7684\u6570\u636e\u4fdd\u5b58\u8d77\u6765\uff0c\u751a\u81f3\u53ef\u4ee5\u5c06\u6574\u4e2a\u6570\u636e\u5e93\u663e\u793a\u51fa\u6765\uff0cDataSet\u662f\u653e\u5728\u5185\u5b58\u4e2d\u7684\u3002<\/p>\n
\u5907\u6ce8\uff1a\u5c06DataAdapter\u5bf9\u8c61\u5f53\u505aDataSet \u5bf9\u8c61\u4e0e\u6570\u636e\u6e90\u95f4\u4f20\u8f93\u6570\u636e\u7684\u6865\u6881\u3002DataSet\u5305\u542b\u82e5\u5e72DataTable\u3001DataTableTable\u5305\u542b\u82e5\u5e72DataRow\u3002<\/p>\n
\uff085\uff09<strong>DataReader<\/strong>\uff1a\u4e00\u7b14\u5411\u4e0b\u5faa\u5e8f\u7684\u8bfb\u53d6\u6570\u636e\u6e90\u4e2d\u7684\u6570\u636e\u3002<\/p>\n
\u603b\u7ed3\uff1a<a href=""https:\/\/link.zhihu.com\/?target=http%3A\/\/ADO.NET"">http:\/\/ADO.NET<\/a> \u4f7f\u7528Connection\u5bf9\u8c61\u6765\u8fde\u63a5\u6570\u636e\u5e93\uff0c\u4f7f\u7528Command\u6216DataAdapter\u5bf9\u8c61\u6765\u6267\u884cSQL\u8bed\u53e5\uff0c\u5e76\u5c06\u6267\u884c\u7684\u7ed3\u679c\u8fd4\u56de\u7ed9DataReader\u6216DataAdapter\uff0c\u7136\u540e\u518d\u4f7f\u7528\u53d6\u5f97\u7684DataReader\u6216DataAdapter\u5bf9\u8c61\u64cd\u4f5c\u6570\u636e\u7ed3\u679c\u3002<\/p>\n
<pre><code> "“`
\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
“`” \u7279\u5b9a\u7c7b\uff1aConnection\uff0cCommand\uff0cCommandBuilder\uff0cD […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-41189","post","type-post","status-publish","format-standard","hentry","category-c"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/41189","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=41189"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/41189\/revisions"}],"predecessor-version":[{"id":41190,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/41189\/revisions\/41190"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=41189"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=41189"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=41189"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}