{"id":59361,"date":"2024-10-12T21:27:15","date_gmt":"2024-10-12T13:27:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/59361\/"},"modified":"2024-10-12T21:27:15","modified_gmt":"2024-10-12T13:27:15","slug":"asp-net%e9%80%a3%e6%8e%a5sql%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a9%b3%e8%a7%a3-asp-net%e9%80%a3%e6%8e%a5sql%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/59361\/","title":{"rendered":"ASP.NET\u9023\u63a5SQL\u6578\u64da\u5eab\u8a73\u89e3 (asp.net\u9023\u63a5sql\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"asp-net%e9%80%a3%e6%8e%a5sql%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a9%b3%e8%a7%a3-vzscWmuOXe\">ASP.NET\u9023\u63a5SQL\u6578\u64da\u5eab\u8a73\u89e3<\/h1>\n<p>\u5728\u73fe\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u958b\u767c\u4e2d\uff0cASP.NET\u4f5c\u70ba\u4e00\u500b\u5f37\u5927\u7684\u6846\u67b6\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u69cb\u5efa\u52d5\u614b\u7db2\u7ad9\u548cWeb\u61c9\u7528\u7a0b\u5e8f\u3002\u8207SQL\u6578\u64da\u5eab\u7684\u9023\u63a5\u662f\u958b\u767c\u904e\u7a0b\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39\u5982\u4f55\u5728ASP.NET\u4e2d\u9023\u63a5SQL\u6578\u64da\u5eab\uff0c\u5305\u62ec\u5fc5\u8981\u7684\u6b65\u9a5f\u3001\u4ee3\u78bc\u793a\u4f8b\u4ee5\u53ca\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n<h2 id=\"1-%e7%92%b0%e5%a2%83%e6%ba%96%e5%82%99-vzscWmuOXe\">1. \u74b0\u5883\u6e96\u5099<\/h2>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u78ba\u4fdd\u60a8\u5df2\u7d93\u5b89\u88dd\u4e86\u4ee5\u4e0b\u74b0\u5883\uff1a<\/p>\n<ul>\n<li>Visual Studio\uff08\u6216\u5176\u4ed6\u652f\u6301ASP.NET\u7684IDE\uff09<\/li>\n<li>SQL Server\uff08\u53ef\u4ee5\u662f\u672c\u5730\u5b89\u88dd\u6216\u96f2\u7aef\u6578\u64da\u5eab\uff09<\/li>\n<\/ul>\n<h2 id=\"2-%e5%89%b5%e5%bb%basql%e6%95%b8%e6%93%9a%e5%ba%ab-vzscWmuOXe\">2. \u5275\u5efaSQL\u6578\u64da\u5eab<\/h2>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u5275\u5efa\u4e00\u500bSQL\u6578\u64da\u5eab\u3002\u53ef\u4ee5\u4f7f\u7528SQL Server Management Studio\uff08SSMS\uff09\u4f86\u5b8c\u6210\u9019\u4e00\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u6578\u64da\u5eab\u7684\u57fa\u672cSQL\u8a9e\u53e5\uff1a<\/p>\n<pre><code>CREATE DATABASE MyDatabase;<\/code><\/pre>\n<p>\u63a5\u4e0b\u4f86\uff0c\u60a8\u53ef\u4ee5\u5275\u5efa\u4e00\u500b\u8868\u4f86\u5b58\u5132\u6578\u64da\uff1a<\/p>\n<pre><code>CREATE TABLE Users (\n    Id INT PRIMARY KEY IDENTITY,\n    Name NVARCHAR(100),\n    Email NVARCHAR(100)\n);<\/code><\/pre>\n<h2 id=\"3-%e5%9c%a8asp-net%e4%b8%ad%e9%80%a3%e6%8e%a5sql%e6%95%b8%e6%93%9a%e5%ba%ab-vzscWmuOXe\">3. \u5728ASP.NET\u4e2d\u9023\u63a5SQL\u6578\u64da\u5eab<\/h2>\n<p>\u5728ASP.NET\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528ADO.NET\u4f86\u9023\u63a5SQL\u6578\u64da\u5eab\u3002\u4ee5\u4e0b\u662f\u9023\u63a5\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"3-1-%e6%b7%bb%e5%8a%a0%e9%80%a3%e6%8e%a5%e5%ad%97%e7%ac%a6%e4%b8%b2-vzscWmuOXe\">3.1 \u6dfb\u52a0\u9023\u63a5\u5b57\u7b26\u4e32<\/h3>\n<p>\u5728\u60a8\u7684ASP.NET\u61c9\u7528\u7a0b\u5e8f\u4e2d\uff0c\u60a8\u9700\u8981\u5728Web.config\u6587\u4ef6\u4e2d\u6dfb\u52a0\u9023\u63a5\u5b57\u7b26\u4e32\uff1a<\/p>\n<pre><code>&lt;connectionStrings&gt;\n    &lt;add name=\"MyDbConnection\" \n         connectionString=\"Server=YOUR_SERVER;Database=MyDatabase;User Id=YOUR_USERNAME;Password=YOUR_PASSWORD;\" \n         providerName=\"System.Data.SqlClient\" \/&gt;\n&lt;\/connectionStrings&gt;<\/code><\/pre>\n<h3 id=\"3-2-%e4%bd%bf%e7%94%a8sqlconnection%e9%80%b2%e8%a1%8c%e9%80%a3%e6%8e%a5-vzscWmuOXe\">3.2 \u4f7f\u7528SqlConnection\u9032\u884c\u9023\u63a5<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528SqlConnection\u4f86\u5efa\u7acb\u9023\u63a5\u4e26\u57f7\u884c\u67e5\u8a62\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>using System;\nusing System.Data.SqlClient;\n\npublic class DatabaseExample\n{\n    public void ConnectToDatabase()\n    {\n        string connectionString = System.Configuration.ConfigurationManager.ConnectionStrings[\"MyDbConnection\"].ConnectionString;\n\n        using (SqlConnection connection = new SqlConnection(connectionString))\n        {\n            connection.Open();\n            SqlCommand command = new SqlCommand(\"SELECT * FROM Users\", connection);\n            SqlDataReader reader = command.ExecuteReader();\n\n            while (reader.Read())\n            {\n                Console.WriteLine($\"Id: {reader[\"Id\"]}, Name: {reader[\"Name\"]}, Email: {reader[\"Email\"]}\");\n            }\n        }\n    }\n}<\/code><\/pre>\n<h2 id=\"4-%e8%99%95%e7%90%86%e7%95%b0%e5%b8%b8-vzscWmuOXe\">4. \u8655\u7406\u7570\u5e38<\/h2>\n<p>\u5728\u8207\u6578\u64da\u5eab\u4ea4\u4e92\u6642\uff0c\u8655\u7406\u7570\u5e38\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528try-catch\u584a\u4f86\u6355\u7372\u548c\u8655\u7406\u53ef\u80fd\u51fa\u73fe\u7684\u7570\u5e38\uff1a<\/p>\n<pre><code>try\n{\n    \/\/ \u9023\u63a5\u548c\u67e5\u8a62\u4ee3\u78bc\n}\ncatch (SqlException ex)\n{\n    Console.WriteLine($\"SQL\u932f\u8aa4: {ex.Message}\");\n}\ncatch (Exception ex)\n{\n    Console.WriteLine($\"\u5176\u4ed6\u932f\u8aa4: {ex.Message}\");\n}<\/code><\/pre>\n<h2 id=\"5-%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-vzscWmuOXe\">5. \u6700\u4f73\u5be6\u8e10<\/h2>\n<ul>\n<li>\u4f7f\u7528\u53c3\u6578\u5316\u67e5\u8a62\u4ee5\u9632\u6b62SQL\u6ce8\u5165\u653b\u64ca\u3002<\/li>\n<li>\u78ba\u4fdd\u5728\u4f7f\u7528\u5b8cSqlConnection\u5f8c\u6b63\u78ba\u95dc\u9589\u9023\u63a5\u3002<\/li>\n<li>\u8003\u616e\u4f7f\u7528Entity Framework\u7b49ORM\u5de5\u5177\u4f86\u7c21\u5316\u6578\u64da\u5eab\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-vzscWmuOXe\">\u7e3d\u7d50<\/h2>\n<p>\u5728ASP.NET\u4e2d\u9023\u63a5SQL\u6578\u64da\u5eab\u662f\u4e00\u500b\u57fa\u672c\u4f46\u91cd\u8981\u7684\u6280\u80fd\u3002\u901a\u904e\u6b63\u78ba\u7684\u914d\u7f6e\u548c\u4ee3\u78bc\u5be6\u73fe\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u8207\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\uff0c\u4e26\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u3002\u7121\u8ad6\u60a8\u662f\u958b\u767c\u5c0f\u578b\u61c9\u7528\u9084\u662f\u5927\u578b\u7cfb\u7d71\uff0c\u638c\u63e1\u9019\u4e9b\u57fa\u672c\u77e5\u8b58\u90fd\u5c07\u5c0d\u60a8\u7684\u958b\u767c\u5de5\u4f5c\u5927\u6709\u88e8\u76ca\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u6258\u7ba1\u60a8\u7684ASP.NET\u61c9\u7528\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u63a2\u8a0eASP.NET\u9023\u63a5SQL\u6578\u64da\u5eab\u7684\u6280\u5de7\u8207\u6b65\u9a5f\uff0c\u52a9\u60a8\u8f15\u9b06\u5be6\u73fe\u6578\u64da\u4ea4\u4e92\u8207\u7ba1\u7406\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-59361","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/59361","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=59361"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/59361\/revisions"}],"predecessor-version":[{"id":59362,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/59361\/revisions\/59362"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=59361"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=59361"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=59361"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}