{"id":144837,"date":"2024-11-01T09:54:00","date_gmt":"2024-11-01T01:54:00","guid":{"rendered":"https:\/\/server.hk\/cnblog\/144837\/"},"modified":"2024-11-01T09:54:01","modified_gmt":"2024-11-01T01:54:01","slug":"vb-%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%8c%e8%bc%95%e9%ac%86%e6%90%9e%e5%ae%9a-vb-%e8%88%87%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/144837\/","title":{"rendered":"VB \u9023\u63a5\u6578\u64da\u5eab\uff0c\u8f15\u9b06\u641e\u5b9a (vb \u8207\u6578\u64da\u5eab\u7684\u9023\u63a5\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"vb-%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%8c%e8%bc%95%e9%ac%86%e6%90%9e%e5%ae%9a-YAyzPJNKIm\">VB \u9023\u63a5\u6578\u64da\u5eab\uff0c\u8f15\u9b06\u641e\u5b9a<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u6578\u64da\u5eab\u7684\u4f7f\u7528\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u666e\u904d\u3002Visual Basic\uff08VB\uff09\u4f5c\u70ba\u4e00\u7a2e\u7c21\u55ae\u6613\u7528\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u7684\u958b\u767c\u4e2d\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528VB\u9023\u63a5\u6578\u64da\u5eab\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u8f15\u9b06\u641e\u5b9a\u6578\u64da\u5eab\u7684\u9023\u63a5\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e9%81%b8%e6%93%87-YAyzPJNKIm\">\u6578\u64da\u5eab\u7684\u9078\u64c7<\/h2>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u9078\u64c7\u4e00\u500b\u5408\u9069\u7684\u6578\u64da\u5eab\u3002\u5e38\u898b\u7684\u6578\u64da\u5eab\u9078\u64c7\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>Microsoft Access<\/li>\n<li>SQL Server<\/li>\n<li>MySQL<\/li>\n<li>Oracle<\/li>\n<\/ul>\n<p>\u6bcf\u7a2e\u6578\u64da\u5eab\u90fd\u6709\u5176\u7279\u5b9a\u7684\u9023\u63a5\u65b9\u5f0f\u548c\u9a45\u52d5\u7a0b\u5e8f\uff0c\u672c\u6587\u5c07\u4ee5SQL Server\u70ba\u4f8b\u9032\u884c\u8aaa\u660e\u3002<\/p>\n<h2 id=\"%e5%ae%89%e8%a3%9d%e5%bf%85%e8%a6%81%e7%9a%84%e9%a9%85%e5%8b%95%e7%a8%8b%e5%ba%8f-YAyzPJNKIm\">\u5b89\u88dd\u5fc5\u8981\u7684\u9a45\u52d5\u7a0b\u5e8f<\/h2>\n<p>\u5728\u4f7f\u7528VB\u9023\u63a5SQL Server\u4e4b\u524d\uff0c\u78ba\u4fdd\u5df2\u5b89\u88dd\u76f8\u61c9\u7684ADO.NET\u6216OLE DB\u9a45\u52d5\u7a0b\u5e8f\u3002\u9019\u4e9b\u9a45\u52d5\u7a0b\u5e8f\u5141\u8a31VB\u61c9\u7528\u7a0b\u5e8f\u8207\u6578\u64da\u5eab\u9032\u884c\u901a\u4fe1\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8vb%e9%80%a3%e6%8e%a5sql-server-YAyzPJNKIm\">\u4f7f\u7528VB\u9023\u63a5SQL Server<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528VB\u9023\u63a5SQL Server\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e5%bc%95%e5%85%a5%e5%91%bd%e5%90%8d%e7%a9%ba%e9%96%93-YAyzPJNKIm\">1. \u5f15\u5165\u547d\u540d\u7a7a\u9593<\/h3>\n<pre><code>Imports System.Data.SqlClient<\/code><\/pre>\n<h3 id=\"2-%e5%ae%9a%e7%be%a9%e9%80%a3%e6%8e%a5%e5%ad%97%e7%ac%a6%e4%b8%b2-YAyzPJNKIm\">2. \u5b9a\u7fa9\u9023\u63a5\u5b57\u7b26\u4e32<\/h3>\n<p>\u9023\u63a5\u5b57\u7b26\u4e32\u5305\u542b\u4e86\u6578\u64da\u5eab\u7684\u4f4d\u7f6e\u4fe1\u606f\u3001\u7528\u6236\u540d\u548c\u5bc6\u78bc\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>Dim connectionString As String = \"Server=your_server;Database=your_database;User Id=your_username;Password=your_password;\"<\/code><\/pre>\n<h3 id=\"3-%e5%89%b5%e5%bb%ba%e9%80%a3%e6%8e%a5%e5%b0%8d%e8%b1%a1-YAyzPJNKIm\">3. \u5275\u5efa\u9023\u63a5\u5c0d\u8c61<\/h3>\n<pre><code>Dim connection As New SqlConnection(connectionString)<\/code><\/pre>\n<h3 id=\"4-%e6%89%93%e9%96%8b%e9%80%a3%e6%8e%a5-YAyzPJNKIm\">4. \u6253\u958b\u9023\u63a5<\/h3>\n<pre><code>Try\n    connection.Open()\n    Console.WriteLine(\"\u9023\u63a5\u6210\u529f\uff01\")\nCatch ex As Exception\n    Console.WriteLine(\"\u9023\u63a5\u5931\u6557\uff1a\" &amp; ex.Message)\nFinally\n    connection.Close()\nEnd Try<\/code><\/pre>\n<h2 id=\"%e5%9f%b7%e8%a1%8c%e6%9f%a5%e8%a9%a2-YAyzPJNKIm\">\u57f7\u884c\u67e5\u8a62<\/h2>\n<p>\u4e00\u65e6\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\uff0c\u5c31\u53ef\u4ee5\u57f7\u884c\u67e5\u8a62\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u67e5\u8a62\u793a\u4f8b\uff1a<\/p>\n<pre><code>Dim command As New SqlCommand(\"SELECT * FROM your_table\", connection)\nDim reader As SqlDataReader\n\nTry\n    connection.Open()\n    reader = command.ExecuteReader()\n    While reader.Read()\n        Console.WriteLine(reader(\"column_name\").ToString())\n    End While\nCatch ex As Exception\n    Console.WriteLine(\"\u67e5\u8a62\u5931\u6557\uff1a\" &amp; ex.Message)\nFinally\n    connection.Close()\nEnd Try<\/code><\/pre>\n<h2 id=\"%e8%99%95%e7%90%86%e6%95%b8%e6%93%9a-YAyzPJNKIm\">\u8655\u7406\u6578\u64da<\/h2>\n<p>\u5728\u7372\u53d6\u6578\u64da\u5f8c\uff0c\u53ef\u4ee5\u6839\u64da\u9700\u8981\u9032\u884c\u8655\u7406\uff0c\u4f8b\u5982\u5c07\u6578\u64da\u986f\u793a\u5728\u7528\u6236\u754c\u9762\u4e0a\u6216\u9032\u884c\u9032\u4e00\u6b65\u7684\u8a08\u7b97\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-YAyzPJNKIm\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4ee5\u4e0a\u6b65\u9a5f\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u4f7f\u7528VB\u9023\u63a5\u5230\u6578\u64da\u5eab\u4e26\u57f7\u884c\u67e5\u8a62\u3002\u9019\u4e0d\u50c5\u63d0\u9ad8\u4e86\u958b\u767c\u6548\u7387\uff0c\u9084\u80fd\u5920\u66f4\u597d\u5730\u7ba1\u7406\u548c\u5229\u7528\u6578\u64da\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u7a69\u5b9a\u6027\u548c\u5b89\u5168\u6027\u3002\u7121\u8ad6\u662f\u9078\u64c7 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\uff0c\u90fd\u80fd\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u5f37\u5927\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528 VB \u9023\u63a5\u6578\u64da\u5eab\uff0c\u8f15\u9b06\u5be6\u73fe\u6578\u64da\u64cd\u4f5c\u8207\u7ba1\u7406\uff0c\u63d0\u5347\u958b\u767c\u6548\u7387\uff0c\u7c21\u5316\u6578\u64da\u8655\u7406\u6d41\u7a0b\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-144837","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/144837","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=144837"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/144837\/revisions"}],"predecessor-version":[{"id":144838,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/144837\/revisions\/144838"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=144837"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=144837"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=144837"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}