{"id":24383,"date":"2024-03-16T03:03:36","date_gmt":"2024-03-16T03:03:36","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/simple-test-example-of-connecting-asp-net-to-sql-server\/"},"modified":"2024-03-22T03:35:19","modified_gmt":"2024-03-22T03:35:19","slug":"simple-test-example-of-connecting-asp-net-to-sql-server","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/simple-test-example-of-connecting-asp-net-to-sql-server\/","title":{"rendered":"Simple test example of connecting ASP.NET to SQL Server."},"content":{"rendered":"<p>Here is a simple test example of ASP.NET connecting to SQL Server.<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">using<\/span> System;\r\n<span class=\"hljs-keyword\">using<\/span> System.Data.SqlClient;\r\n\r\n<span class=\"hljs-keyword\">namespace<\/span> <span class=\"hljs-title\">DemoApp<\/span>\r\n{\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">partial<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">Default<\/span> : <span class=\"hljs-title\">System.Web.UI.Page<\/span>\r\n    {\r\n        <span class=\"hljs-function\"><span class=\"hljs-keyword\">protected<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title\">Page_Load<\/span>(<span class=\"hljs-params\"><span class=\"hljs-built_in\">object<\/span> sender, EventArgs e<\/span>)<\/span>\r\n        {\r\n            <span class=\"hljs-built_in\">string<\/span> connectionString = <span class=\"hljs-string\">\"Data Source=(local);Initial Catalog=DemoDB;Integrated Security=True\"<\/span>;\r\n            <span class=\"hljs-built_in\">string<\/span> query = <span class=\"hljs-string\">\"SELECT * FROM Customers\"<\/span>;\r\n\r\n            <span class=\"hljs-keyword\">using<\/span> (SqlConnection connection = <span class=\"hljs-keyword\">new<\/span> SqlConnection(connectionString))\r\n            {\r\n                <span class=\"hljs-keyword\">using<\/span> (SqlCommand command = <span class=\"hljs-keyword\">new<\/span> SqlCommand(query, connection))\r\n                {\r\n                    connection.Open();\r\n                    <span class=\"hljs-keyword\">using<\/span> (SqlDataReader reader = command.ExecuteReader())\r\n                    {\r\n                        <span class=\"hljs-keyword\">while<\/span> (reader.Read())\r\n                        {\r\n                            <span class=\"hljs-built_in\">string<\/span> customerName = reader[<span class=\"hljs-string\">\"CustomerName\"<\/span>].ToString();\r\n                            <span class=\"hljs-built_in\">string<\/span> contactName = reader[<span class=\"hljs-string\">\"ContactName\"<\/span>].ToString();\r\n                            <span class=\"hljs-built_in\">string<\/span> city = reader[<span class=\"hljs-string\">\"City\"<\/span>].ToString();\r\n\r\n                            <span class=\"hljs-comment\">\/\/ \u505a\u4f60\u60f3\u505a\u7684\u4e8b\u60c5\uff0c\u6bd4\u5982\u628a\u6570\u636e\u663e\u793a\u5728\u9875\u9762\u4e0a<\/span>\r\n                            Response.Write(<span class=\"hljs-string\">$\"CustomerName: <span class=\"hljs-subst\">{customerName}<\/span>, ContactName: <span class=\"hljs-subst\">{contactName}<\/span>, City: <span class=\"hljs-subst\">{city}<\/span>&lt;br\/&gt;\"<\/span>);\r\n                        }\r\n                    }\r\n                }\r\n            }\r\n        }\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>The above code assumes that you have already created a database named DemoDB and have created a table named Customers within that database.<\/p>\n<p>In an ASP.NET application, create a page named &#8220;Default.aspx&#8221; and place the above code in the page&#8217;s code file.<\/p>\n<p>When visiting this page, it will connect to an SQL Server database, retrieve data from the Customers table, and display the data on the page.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Here is a simple test example of ASP.NET connecting to SQL Server. using System; using System.Data.SqlClient; namespace DemoApp { public partial class Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { string connectionString = &#8220;Data Source=(local);Initial Catalog=DemoDB;Integrated Security=True&#8221;; string query = &#8220;SELECT * FROM Customers&#8221;; using (SqlConnection connection = new SqlConnection(connectionString)) { using [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-24383","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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