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"data": {
"text/html": [
"<div><div></div><div></div><div><strong>Installed Packages</strong><ul><li><span>Microsoft.Identity.Client, 4.66.2</span></li></ul></div></div>"
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"<div><div></div><div></div><div><strong>Installed Packages</strong><ul><li><span>Microsoft.Extensions.Configuration, 9.0.4</span></li><li><span>Microsoft.Extensions.Configuration.Binder, 9.0.4</span></li><li><span>Microsoft.Extensions.Configuration.CommandLine, 9.0.4</span></li><li><span>Microsoft.Extensions.Configuration.EnvironmentVariables, 9.0.4</span></li><li><span>Microsoft.Extensions.Configuration.ini, 9.0.4</span></li><li><span>Microsoft.Extensions.Configuration.json, 9.0.4</span></li><li><span>Microsoft.Extensions.Configuration.KeyPerFile, 9.0.4</span></li><li><span>Microsoft.Extensions.Configuration.UserSecrets, 9.0.4</span></li><li><span>Microsoft.Extensions.Configuration.xml, 9.0.4</span></li><li><span>Microsoft.Extensions.DependencyInjection, 9.0.4</span></li><li><span>Microsoft.Extensions.Logging, 9.0.4</span></li><li><span>Microsoft.Extensions.Logging.Configuration, 9.0.4</span></li><li><span>Microsoft.Extensions.Logging.Console, 9.0.4</span></li><li><span>Microsoft.Extensions.Logging.Debug, 9.0.4</span></li><li><span>Microsoft.Extensions.Logging.EventSource, 9.0.4</span></li><li><span>Microsoft.Extensions.Options, 9.0.4</span></li><li><span>Microsoft.Extensions.Options.ConfigurationExtensions, 9.0.4</span></li><li><span>Microsoft.Extensions.Options.DataAnnotations, 9.0.4</span></li></ul></div></div>"
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"source": [
"//全局初始化\n",
"#!import \"./Base.ipynb\"\n",
"\n",
"#r \"nuget:Microsoft.Identity.Client,4.66.2\"\n",
"using Microsoft.DotNet.Interactive;\n",
"using Microsoft.DotNet.Interactive.Commands;"
]
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{
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"execution_count": null,
"id": "a118a9b7",
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"text/html": [
"<div><div></div><div></div><div><strong>Installed Packages</strong><ul><li><span>Microsoft.DotNet.Interactive.SqlServer, 1.0.0-beta.25177.1</span></li></ul></div></div>"
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"data": {
"text/plain": [
"Loading extension script from `C:\\Users\\ruyu\\.nuget\\packages\\microsoft.dotnet.interactive.sqlserver\\1.0.0-beta.25177.1\\interactive-extensions\\dotnet\\extension.dib`"
]
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"text/html": [
"<details><summary>Query Microsoft SQL Server databases.</summary>\r\n",
"<p>This extension adds support for connecting to Microsoft SQL Server databases using the <code>#!connect mssql</code> magic command. For more information, run a cell using the <code>#!sql</code> magic command.</p>\r\n",
"</details>"
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"data": {
"text/markdown": [
"Scaffolding a `DbContext` and initializing an instance of it called `SqlServerKernelWithEF` in the C# kernel."
]
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"text/html": [
"<div><div></div><div></div><div><strong>Installed Packages</strong><ul><li><span>Humanizer, 2.14.1</span></li><li><span>humanizer.core, 2.14.1</span></li><li><span>microsoft.data.sqlclient, 5.2.2</span></li><li><span>Microsoft.EntityFrameworkCore.Design, 9.0.0</span></li><li><span>microsoft.entityframeworkcore.sqlserver, 9.0.0</span></li><li><span>Microsoft.Identity.Client, 4.66.2</span></li></ul></div></div>"
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"data": {
"text/plain": [
"Kernel added: #!sql-SqlServerKernelWithEF"
]
},
"metadata": {},
"output_type": "display_data"
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"source": [
"//引入 SqlServer 的 NuGet 包\n",
"#r \"nuget:Microsoft.DotNet.Interactive.SqlServer,*-*\"\n",
"//#r \"nuget:Microsoft.Identity.Client,4.66.2\"\n",
"\n",
"//优化用法\n",
"{\n",
" //内核名：魔法命令中的内核名，执行后会自动加 sql- 前缀，做为内核名被使用\n",
" string magicCommandKernelName = \"SqlServerKernelWithEF\";\n",
" string completeKernelName = \"sql-\" + magicCommandKernelName;\n",
"\n",
" //引入内核：可重复执行\n",
" if(Microsoft.DotNet.Interactive.Kernel.Root.FindKernelByName(completeKernelName) == null)\n",
" {\n",
" var connectKernelCode = $\"#!connect mssql --kernel-name {magicCommandKernelName} \\\"Server=.\\\\SQL2019;Database=study;User Id=sa;Password=gly-bicijinlian;TrustServerCertificate=true;\\\" --create-dbcontext\";\n",
" await Kernel.Root.SendAsync(new SubmitCode( connectKernelCode, \"csharp\"));\n",
" }\n",
" else\n",
" {\n",
" Console.WriteLine($\"名为 {completeKernelName} 的内核已存在。需要新内核时，请为--kernel-name参数使用不同的值, 本次执行不做任何更改！\");\n",
" }\n",
"}"
]
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{
"cell_type": "code",
"execution_count": 6,
"metadata": {
"polyglot_notebook": {
"kernelName": "csharp"
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"outputs": [
{
"ename": "Error",
"evalue": "(6,1): error CS0246: 未能找到类型或命名空间名“SqlServerKernelWithEFContext”(是否缺少 using 指令或程序集引用?)\r\n(7,19): error CS0246: 未能找到类型或命名空间名“SqlServerKernelWithEF”(是否缺少 using 指令或程序集引用?)\r\n(6,38): error CS0246: 未能找到类型或命名空间名“SqlServerKernelWithEFContext”(是否缺少 using 指令或程序集引用?)",
"output_type": "error",
"traceback": [
"(6,1): error CS0246: 未能找到类型或命名空间名“SqlServerKernelWithEFContext”(是否缺少 using 指令或程序集引用?)\r\n",
"(7,19): error CS0246: 未能找到类型或命名空间名“SqlServerKernelWithEF”(是否缺少 using 指令或程序集引用?)\r\n",
"(6,38): error CS0246: 未能找到类型或命名空间名“SqlServerKernelWithEFContext”(是否缺少 using 指令或程序集引用?)"
]
}
],
"source": [
"//连接建立后，执行环境中就有了相关的类：DBContext等\n",
"using Microsoft.EntityFrameworkCore;\n",
"using Microsoft.EntityFrameworkCore.SqlServer;\n",
"using Microsoft.EntityFrameworkCore.Scaffolding;\n",
"\n",
"SqlServerKernelWithEFContext a = new SqlServerKernelWithEFContext();\n",
"var context = new SqlServerKernelWithEF();\n",
"var t = context.Students.ToList<Student>();\n",
"display(t);\n",
"\n",
"FormattableString fs = $\"select * from Student;\";\n",
"var c = context.Database.ExecuteSql(fs);\n",
"display(c);"
]
}
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