{"id":60239,"date":"2024-10-13T01:12:24","date_gmt":"2024-10-12T17:12:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/60239\/"},"modified":"2024-10-13T01:12:24","modified_gmt":"2024-10-12T17:12:24","slug":"datagridview%e5%af%a6%e7%8f%be%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e4%bf%ae%e6%94%b9-datagridview-%e4%bf%ae%e6%94%b9%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/60239\/","title":{"rendered":"DataGridView\u5be6\u73fe\u6578\u64da\u5eab\u7684\u4fee\u6539 (datagridview \u4fee\u6539\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"datagridview%e5%af%a6%e7%8f%be%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e4%bf%ae%e6%94%b9-datagridview-%e4%bf%ae%e6%94%b9%e6%95%b8%e6%93%9a%e5%ba%ab-QYAxXKTHxG\">DataGridView\u5be6\u73fe\u6578\u64da\u5eab\u7684\u4fee\u6539 (datagridview \u4fee\u6539\u6578\u64da\u5eab)<\/h1>\n<p>\u5728\u73fe\u4ee3\u61c9\u7528\u7a0b\u5e8f\u958b\u767c\u4e2d\uff0c\u6578\u64da\u7684\u986f\u793a\u548c\u4fee\u6539\u662f\u975e\u5e38\u91cd\u8981\u7684\u529f\u80fd\u3002\u7279\u5225\u662f\u5728\u4f7f\u7528Windows Forms\u61c9\u7528\u7a0b\u5e8f\u6642\uff0c<code>DataGridView<\/code>\u63a7\u4ef6\u63d0\u4f9b\u4e86\u4e00\u500b\u76f4\u89c0\u7684\u65b9\u5f0f\u4f86\u986f\u793a\u548c\u7de8\u8f2f\u6578\u64da\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528<code>DataGridView<\/code>\u4f86\u5be6\u73fe\u6578\u64da\u5eab\u7684\u4fee\u6539\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"datagridview%e7%b0%a1%e4%bb%8b-QYAxXKTHxG\">DataGridView\u7c21\u4ecb<\/h2>\n<p><code>DataGridView<\/code>\u662f.NET Framework\u4e2d\u4e00\u500b\u5f37\u5927\u7684\u63a7\u4ef6\uff0c\u5141\u8a31\u958b\u767c\u8005\u4ee5\u8868\u683c\u7684\u5f62\u5f0f\u986f\u793a\u6578\u64da\u3002\u5b83\u652f\u6301\u6578\u64da\u7684\u589e\u522a\u6539\u67e5\uff08CRUD\uff09\u64cd\u4f5c\uff0c\u4e26\u4e14\u53ef\u4ee5\u8207\u5404\u7a2e\u6578\u64da\u6e90\uff08\u5982SQL Server\u3001Oracle\u7b49\uff09\u9032\u884c\u4ea4\u4e92\u3002<\/p>\n<h2 id=\"%e8%a8%ad%e7%bd%aedatagridview-QYAxXKTHxG\">\u8a2d\u7f6eDataGridView<\/h2>\n<p>\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u5728Windows Forms\u61c9\u7528\u7a0b\u5e8f\u4e2d\u6dfb\u52a0\u4e00\u500b<code>DataGridView<\/code>\u63a7\u4ef6\u3002\u53ef\u4ee5\u901a\u904e\u8a2d\u8a08\u5668\u6216\u4ee3\u78bc\u4f86\u5b8c\u6210\u9019\u4e00\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u5728\u4ee3\u78bc\u4e2d\u5275\u5efa\u548c\u8a2d\u7f6e<code>DataGridView<\/code>\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>DataGridView dataGridView = new DataGridView();\ndataGridView.Dock = DockStyle.Fill;\nthis.Controls.Add(dataGridView);<\/code><\/pre>\n<h2 id=\"%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab-QYAxXKTHxG\">\u9023\u63a5\u6578\u64da\u5eab<\/h2>\n<p>\u5728\u4f7f\u7528<code>DataGridView<\/code>\u4e4b\u524d\uff0c\u6211\u5011\u9700\u8981\u9023\u63a5\u5230\u6578\u64da\u5eab\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528<code>SqlConnection<\/code>\u548c<code>SqlDataAdapter<\/code>\u4f86\u9023\u63a5SQL Server\u6578\u64da\u5eab\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>string connectionString = \"Data Source=your_server;Initial Catalog=your_database;User ID=your_username;Password=your_password;\";\nSqlConnection connection = new SqlConnection(connectionString);\nSqlDataAdapter dataAdapter = new SqlDataAdapter(\"SELECT * FROM your_table\", connection);\nDataTable dataTable = new DataTable();\ndataAdapter.Fill(dataTable);\ndataGridView.DataSource = dataTable;<\/code><\/pre>\n<h2 id=\"%e5%af%a6%e7%8f%be%e6%95%b8%e6%93%9a%e7%9a%84%e4%bf%ae%e6%94%b9-QYAxXKTHxG\">\u5be6\u73fe\u6578\u64da\u7684\u4fee\u6539<\/h2>\n<p>\u8981\u5be6\u73fe\u6578\u64da\u7684\u4fee\u6539\uff0c\u6211\u5011\u9700\u8981\u8655\u7406<code>DataGridView<\/code>\u7684\u4e8b\u4ef6\uff0c\u7279\u5225\u662f<code>CellValueChanged<\/code>\u548c<code>RowValidating<\/code>\u4e8b\u4ef6\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u5be6\u73fe\u9019\u4e9b\u4e8b\u4ef6\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>dataGridView.CellValueChanged += (s, e) =&gt; {\n    if (dataGridView.IsCurrentCellDirty) {\n        dataGridView.CommitEdit(DataGridViewDataErrorContexts.Commit);\n    }\n};\n\ndataGridView.RowValidating += (s, e) =&gt; {\n    \/\/ \u7372\u53d6\u4fee\u6539\u7684\u884c\n    DataGridViewRow row = dataGridView.Rows[e.RowIndex];\n    \/\/ \u66f4\u65b0\u6578\u64da\u5eab\n    using (SqlConnection conn = new SqlConnection(connectionString)) {\n        conn.Open();\n        SqlCommand command = new SqlCommand(\"UPDATE your_table SET column1 = @value1 WHERE id = @id\", conn);\n        command.Parameters.AddWithValue(\"@value1\", row.Cells[\"column1\"].Value);\n        command.Parameters.AddWithValue(\"@id\", row.Cells[\"id\"].Value);\n        command.ExecuteNonQuery();\n    }\n};<\/code><\/pre>\n<h2 id=\"%e8%99%95%e7%90%86%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e7%95%b0%e5%b8%b8-QYAxXKTHxG\">\u8655\u7406\u6578\u64da\u5eab\u7684\u7570\u5e38<\/h2>\n<p>\u5728\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u6642\uff0c\u7570\u5e38\u8655\u7406\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002\u53ef\u4ee5\u4f7f\u7528<code>try-catch<\/code>\u584a\u4f86\u6355\u7372\u4e26\u8655\u7406\u53ef\u80fd\u51fa\u73fe\u7684\u7570\u5e38\uff1a<\/p>\n<pre><code>try {\n    \/\/ \u6578\u64da\u5eab\u64cd\u4f5c\n} catch (SqlException ex) {\n    MessageBox.Show(\"\u6578\u64da\u5eab\u64cd\u4f5c\u5931\u6557: \" + ex.Message);\n}<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-QYAxXKTHxG\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4f7f\u7528<code>DataGridView<\/code>\u63a7\u4ef6\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u5be6\u73fe\u6578\u64da\u5eab\u7684\u4fee\u6539\u529f\u80fd\u3002\u672c\u6587\u4ecb\u7d39\u4e86\u5982\u4f55\u8a2d\u7f6e<code>DataGridView<\/code>\u3001\u9023\u63a5\u6578\u64da\u5eab\u3001\u5be6\u73fe\u6578\u64da\u7684\u4fee\u6539\u4ee5\u53ca\u8655\u7406\u7570\u5e38\u3002\u9019\u4e9b\u6280\u8853\u5c0d\u65bc\u958b\u767c\u9ad8\u6548\u7684\u684c\u9762\u61c9\u7528\u7a0b\u5e8f\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684<code><a href=\"https:\/\/server.hk\">VPS<\/a><\/code>\u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u3002\u7121\u8ad6\u662f<code><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/code>\u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u53ef\u9760\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528DataGridView\u5be6\u73fe\u6578\u64da\u5eab\u7684\u4fee\u6539\uff0c\u7c21\u5316\u6578\u64da\u7de8\u8f2f\u6d41\u7a0b\uff0c\u63d0\u5347\u61c9\u7528\u7a0b\u5e8f\u7684\u7528\u6236\u9ad4\u9a57\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-60239","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60239","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=60239"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60239\/revisions"}],"predecessor-version":[{"id":60240,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60239\/revisions\/60240"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=60239"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=60239"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=60239"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}