{"id":183580,"date":"2024-11-10T06:00:21","date_gmt":"2024-11-09T22:00:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/183580\/"},"modified":"2024-11-10T06:00:22","modified_gmt":"2024-11-09T22:00:22","slug":"%e4%bd%bf%e7%94%a8-net%e5%af%a6%e7%8f%betextbox%e6%95%b8%e6%93%9a%e7%b6%81%e5%ae%9a%e8%87%aa%e5%8b%95%e6%9b%b4%e6%96%b0%e6%95%b8%e6%93%9a%e5%ba%ab-net-textbox%e7%b6%81%e5%ae%9a-%e6%9b%b4%e6%96%b0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/183580\/","title":{"rendered":"\u4f7f\u7528.NET\u5be6\u73feTextBox\u6578\u64da\u7d81\u5b9a\u81ea\u52d5\u66f4\u65b0\u6578\u64da\u5eab (.net textbox\u7d81\u5b9a \u66f4\u65b0\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"%e4%bd%bf%e7%94%a8-net%e5%af%a6%e7%8f%betextbox%e6%95%b8%e6%93%9a%e7%b6%81%e5%ae%9a%e8%87%aa%e5%8b%95%e6%9b%b4%e6%96%b0%e6%95%b8%e6%93%9a%e5%ba%ab-CULxXURMvz\">\u4f7f\u7528.NET\u5be6\u73feTextBox\u6578\u64da\u7d81\u5b9a\u81ea\u52d5\u66f4\u65b0\u6578\u64da\u5eab<\/h1>\n<p>\u5728\u73fe\u4ee3\u61c9\u7528\u7a0b\u5e8f\u958b\u767c\u4e2d\uff0c\u6578\u64da\u7d81\u5b9a\u662f\u4e00\u500b\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u7279\u5225\u662f\u5728\u4f7f\u7528.NET\u6846\u67b6\u6642\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528.NET\u5be6\u73feTextBox\u7684\u6578\u64da\u7d81\u5b9a\uff0c\u4e26\u81ea\u52d5\u66f4\u65b0\u6578\u64da\u5eab\u3002\u9019\u7a2e\u6280\u8853\u4e0d\u50c5\u80fd\u63d0\u9ad8\u958b\u767c\u6548\u7387\uff0c\u9084\u80fd\u6539\u5584\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%95%b8%e6%93%9a%e7%b6%81%e5%ae%9a%ef%bc%9f-CULxXURMvz\">\u4ec0\u9ebc\u662f\u6578\u64da\u7d81\u5b9a\uff1f<\/h2>\n<p>\u6578\u64da\u7d81\u5b9a\u662f\u5c07\u7528\u6236\u754c\u9762\u5143\u7d20\uff08\u5982TextBox\uff09\u8207\u6578\u64da\u6e90\uff08\u5982\u6578\u64da\u5eab\uff09\u9023\u63a5\u7684\u904e\u7a0b\u3002\u9019\u6a23\uff0c\u7576\u7528\u6236\u5728TextBox\u4e2d\u8f38\u5165\u6578\u64da\u6642\uff0c\u9019\u4e9b\u6578\u64da\u53ef\u4ee5\u81ea\u52d5\u66f4\u65b0\u5230\u6578\u64da\u5eab\u4e2d\u3002\u9019\u7a2e\u65b9\u6cd5\u5728\u958b\u767c\u684c\u9762\u61c9\u7528\u7a0b\u5e8f\u548cWeb\u61c9\u7528\u7a0b\u5e8f\u6642\u90fd\u975e\u5e38\u6709\u7528\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8-net%e9%80%b2%e8%a1%8c%e6%95%b8%e6%93%9a%e7%b6%81%e5%ae%9a%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%ad%a5%e9%a9%9f-CULxXURMvz\">\u4f7f\u7528.NET\u9032\u884c\u6578\u64da\u7d81\u5b9a\u7684\u57fa\u672c\u6b65\u9a5f<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528.NET\u9032\u884cTextBox\u6578\u64da\u7d81\u5b9a\u4e26\u81ea\u52d5\u66f4\u65b0\u6578\u64da\u5eab\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e8%a8%ad%e7%bd%ae%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5-CULxXURMvz\">1. \u8a2d\u7f6e\u6578\u64da\u5eab\u9023\u63a5<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u8a2d\u7f6e\u8207\u6578\u64da\u5eab\u7684\u9023\u63a5\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4f7f\u7528ADO.NET\u4f86\u5be6\u73fe\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>using System.Data.SqlClient;\n\nstring connectionString = \"your_connection_string_here\";\nSqlConnection connection = new SqlConnection(connectionString);\n<\/code><\/pre>\n<h3 id=\"2-%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e6%a8%a1%e5%9e%8b-CULxXURMvz\">2. \u5275\u5efa\u6578\u64da\u6a21\u578b<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u60a8\u9700\u8981\u5275\u5efa\u4e00\u500b\u6578\u64da\u6a21\u578b\u4f86\u8868\u793a\u6578\u64da\u5eab\u4e2d\u7684\u8868\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u6709\u4e00\u500b\u7528\u6236\u8868\uff0c\u60a8\u53ef\u4ee5\u5275\u5efa\u4ee5\u4e0b\u6a21\u578b\uff1a<\/p>\n<pre><code>public class User\n{\n    public int Id { get; set; }\n    public string Name { get; set; }\n    public string Email { get; set; }\n}\n<\/code><\/pre>\n<h3 id=\"3-%e8%a8%ad%e7%bd%aetextbox%e7%9a%84%e6%95%b8%e6%93%9a%e7%b6%81%e5%ae%9a-CULxXURMvz\">3. \u8a2d\u7f6eTextBox\u7684\u6578\u64da\u7d81\u5b9a<\/h3>\n<p>\u5728\u60a8\u7684Windows Forms\u6216WPF\u61c9\u7528\u7a0b\u5e8f\u4e2d\uff0c\u60a8\u53ef\u4ee5\u5c07TextBox\u8207\u6578\u64da\u6a21\u578b\u9032\u884c\u7d81\u5b9a\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>textBoxName.DataBindings.Add(\"Text\", user, \"Name\", true, DataSourceUpdateMode.OnPropertyChanged);\ntextBoxEmail.DataBindings.Add(\"Text\", user, \"Email\", true, DataSourceUpdateMode.OnPropertyChanged);\n<\/code><\/pre>\n<h3 id=\"4-%e8%87%aa%e5%8b%95%e6%9b%b4%e6%96%b0%e6%95%b8%e6%93%9a%e5%ba%ab-CULxXURMvz\">4. \u81ea\u52d5\u66f4\u65b0\u6578\u64da\u5eab<\/h3>\n<p>\u7576TextBox\u4e2d\u7684\u6578\u64da\u767c\u751f\u8b8a\u5316\u6642\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4e8b\u4ef6\u4f86\u81ea\u52d5\u66f4\u65b0\u6578\u64da\u5eab\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728TextBox\u7684TextChanged\u4e8b\u4ef6\u4e2d\u66f4\u65b0\u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>private void textBoxName_TextChanged(object sender, EventArgs e)\n{\n    using (SqlCommand command = new SqlCommand(\"UPDATE Users SET Name = @Name WHERE Id = @Id\", connection))\n    {\n        command.Parameters.AddWithValue(\"@Name\", user.Name);\n        command.Parameters.AddWithValue(\"@Id\", user.Id);\n        connection.Open();\n        command.ExecuteNonQuery();\n        connection.Close();\n    }\n}\n<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-CULxXURMvz\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u78ba\u4fdd\u5728\u66f4\u65b0\u6578\u64da\u5eab\u4e4b\u524d\u9032\u884c\u9069\u7576\u7684\u932f\u8aa4\u8655\u7406\u3002<\/li>\n<li>\u8003\u616e\u4f7f\u7528\u7570\u6b65\u64cd\u4f5c\u4f86\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u97ff\u61c9\u901f\u5ea6\u3002<\/li>\n<li>\u5728\u9032\u884c\u6578\u64da\u7d81\u5b9a\u6642\uff0c\u78ba\u4fdd\u6578\u64da\u6a21\u578b\u7684\u5c6c\u6027\u5be6\u73fe\u4e86INotifyPropertyChanged\u63a5\u53e3\uff0c\u4ee5\u4fbf\u80fd\u5920\u6b63\u78ba\u5730\u901a\u77e5\u754c\u9762\u66f4\u65b0\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-CULxXURMvz\">\u7e3d\u7d50<\/h2>\n<p>\u4f7f\u7528.NET\u5be6\u73feTextBox\u6578\u64da\u7d81\u5b9a\u4e26\u81ea\u52d5\u66f4\u65b0\u6578\u64da\u5eab\u662f\u4e00\u500b\u5f37\u5927\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u6548\u7387\u548c\u7528\u6236\u9ad4\u9a57\u3002\u901a\u904e\u6b63\u78ba\u8a2d\u7f6e\u6578\u64da\u5eab\u9023\u63a5\u3001\u5275\u5efa\u6578\u64da\u6a21\u578b\u3001\u8a2d\u7f6e\u6578\u64da\u7d81\u5b9a\u4ee5\u53ca\u81ea\u52d5\u66f4\u65b0\u6578\u64da\u5eab\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u7ba1\u7406\u6578\u64da\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u9078\u64c7\u5408\u9069\u7684\u4e3b\u6a5f\u74b0\u5883\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u4e86\u89e3\u66f4\u591a\u95dc\u65bc\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u8b93\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\u904b\u884c\u5f97\u66f4\u52a0\u9806\u66a2\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528.NET\u5be6\u73feTextBox\u6578\u64da\u7d81\u5b9a\uff0c\u5be6\u73fe\u81ea\u52d5\u66f4\u65b0\u6578\u64da\u5eab\uff0c\u7c21\u5316\u6578\u64da\u7ba1\u7406\uff0c\u63d0\u9ad8\u958b\u767c\u6548\u7387\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-183580","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183580","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=183580"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183580\/revisions"}],"predecessor-version":[{"id":183581,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183580\/revisions\/183581"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=183580"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=183580"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=183580"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}