{"id":12553,"date":"2025-02-15T17:00:13","date_gmt":"2025-02-15T14:00:13","guid":{"rendered":"https:\/\/fatihsoysal.com\/blog\/asp-net-core-web-api-ve-postgresql-ile-crud-api-gelistirme\/"},"modified":"2025-02-15T17:00:13","modified_gmt":"2025-02-15T14:00:13","slug":"asp-net-core-web-api-ve-postgresql-ile-crud-api-gelistirme","status":"publish","type":"post","link":"https:\/\/fatihsoysal.com\/blog\/asp-net-core-web-api-ve-postgresql-ile-crud-api-gelistirme\/","title":{"rendered":"ASP.NET Core Web API ve PostgreSQL ile CRUD API Geli\u015ftirme"},"content":{"rendered":"<p><body><\/p>\n<p>ASP.NET Core Web API ve PostgreSQL ile CRUD API Geli\u015ftirme<\/p>\n<p>Merhaba! Bu makalede, ASP.NET Core Web API ve PostgreSQL kullanarak bir CRUD (Create, Read, Update, Delete) API&#8217;si nas\u0131l geli\u015ftirilece\u011fini ad\u0131m ad\u0131m ele alaca\u011f\u0131z.  Bu rehber,  temel seviyeden orta seviyeye kadar olan geli\u015ftiriciler i\u00e7in idealdir.  \u00d6ncelikle, projenin temel mimarisini ve gerekli k\u00fct\u00fcphaneleri kuraca\u011f\u0131z. Ard\u0131ndan, veritaban\u0131 ba\u011flant\u0131s\u0131n\u0131 yap\u0131land\u0131raca\u011f\u0131z ve CRUD i\u015flemlerini ger\u00e7ekle\u015ftirecek kontrolc\u00fcler (Controllers) olu\u015fturaca\u011f\u0131z.  Son olarak,  API&#8217;yi test ederek tamamlayaca\u011f\u0131z.<\/p>\n<h2>Proje Kurulumu<\/h2>\n<p>\u0130lk ad\u0131m olarak, yeni bir ASP.NET Core Web API projesi olu\u015fturaca\u011f\u0131z. Bunun i\u00e7in Visual Studio veya .NET CLI kullanabilirsiniz.  Proje olu\u015fturulduktan sonra,  PostgreSQL ile etkile\u015fim kurmak i\u00e7in gerekli NuGet paketlerini eklememiz gerekiyor.  Bunlar genellikle Npgsql paketidir.  Bu paketi NuGet Paket Y\u00f6neticisi arac\u0131l\u0131\u011f\u0131yla veya komut sat\u0131r\u0131ndan ekleyebilirsiniz.  Ekledikten sonra,  projemize PostgreSQL ba\u011flant\u0131 dizesini eklemeyi unutmay\u0131n.  Bu dizi, veritaban\u0131 sunucunuzun adresini, veritaban\u0131 ad\u0131n\u0131, kullan\u0131c\u0131 ad\u0131n\u0131 ve \u015fifresini i\u00e7erecektir.<\/p>\n<pre><code class=\"language-csharp\">\n\/\/ appsettings.json dosyas\u0131na ba\u011flant\u0131 dizesi \u00f6rne\u011fi\n\"ConnectionStrings\": {\n  \"PostgreSQLConnection\": \"Server=localhost;Port=5432;Database=MyDatabase;User Id=myuser;Password=mypassword;\"\n}\n<\/code><\/pre>\n<h2>Veritaban\u0131 Modeli<\/h2>\n<p>\u015eimdi, veritaban\u0131m\u0131zda kullan\u0131lacak veri modeli (Entity) s\u0131n\u0131flar\u0131n\u0131 olu\u015ftural\u0131m. Bu s\u0131n\u0131flar, API&#8217;nin hangi verileri i\u015fleyece\u011fini tan\u0131mlar.  \u00d6rne\u011fin, bir blog uygulamas\u0131 i\u00e7in bir Post modeli olu\u015fturabilir ve bu model i\u00e7erisinde ba\u015fl\u0131k, i\u00e7erik ve yay\u0131n tarihi gibi \u00f6zellikleri tan\u0131mlayabiliriz.  Bu s\u0131n\u0131flar, daha sonra Entity Framework Core ile veritaban\u0131na e\u015flenecektir.<\/p>\n<pre><code class=\"language-csharp\">\npublic class Post\n{\n    public int Id { get; set; }\n    public string Title { get; set; }\n    public string Content { get; set; }\n    public DateTime PublishedDate { get; set; }\n}\n<\/code><\/pre>\n<h2>CRUD \u0130\u015flemleri<\/h2>\n<p>Veritaban\u0131 modeli tan\u0131mland\u0131ktan sonra,  CRUD i\u015flemlerini ger\u00e7ekle\u015ftirecek kontrolc\u00fclerimizi olu\u015fturabiliriz.  Bu kontrolc\u00fcler,  HTTP isteklerini i\u015fleyerek veritaban\u0131 i\u015flemlerini y\u00f6netir.  \u00d6rne\u011fin, bir POST iste\u011fi yeni bir g\u00f6nderi eklerken, bir GET iste\u011fi mevcut g\u00f6nderileri getirir.  UPDATE ve DELETE istekleri ise ilgili g\u00f6nderileri g\u00fcnceller ve siler.<\/p>\n<p>\u0130\u015fte basit bir \u00f6rnek:<\/p>\n<pre><code class=\"language-csharp\">\n[Route(\"api\/[controller]\")]\n[ApiController]\npublic class PostsController : ControllerBase\n{\n    \/\/ ... (DbContext ve di\u011fer ba\u011f\u0131ml\u0131l\u0131klar\u0131 ekleyin) ...\n\n    [HttpGet]\n    public async Task&lt;ActionResult&lt;IEnumerable&lt;Post&gt;&gt;&gt; GetPosts()\n    {\n        return Ok(await _context.Posts.ToListAsync());\n    }\n\n    \/\/ ... (Di\u011fer CRUD metodlar\u0131) ...\n}\n<\/code><\/pre>\n<h2>API Test Etme<\/h2>\n<p>Son olarak, geli\u015ftirdi\u011finiz API&#8217;yi test etmeniz \u00f6nemlidir.  Bunun i\u00e7in Postman, Swagger gibi ara\u00e7lar\u0131 kullanabilirsiniz.  Bu ara\u00e7lar,  HTTP isteklerini kolayca g\u00f6ndermenizi ve API&#8217;nin do\u011fru \u00e7al\u0131\u015f\u0131p \u00e7al\u0131\u015fmad\u0131\u011f\u0131n\u0131 kontrol etmenizi sa\u011flar.  Testler s\u0131ras\u0131nda, her bir CRUD i\u015fleminin d\u00fczg\u00fcn \u00e7al\u0131\u015ft\u0131\u011f\u0131ndan emin olmal\u0131s\u0131n\u0131z.  Ayr\u0131ca, hata y\u00f6netimi ve g\u00fcvenlik a\u00e7\u0131klar\u0131n\u0131 da kontrol etmeniz gerekir.<\/p>\n<h2>Sonu\u00e7<\/h2>\n<p>Bu makalede, ASP.NET Core Web API ve PostgreSQL kullanarak bir CRUD API&#8217;si geli\u015ftirmenin temel ad\u0131mlar\u0131n\u0131 ele ald\u0131k.  Bu ad\u0131mlar\u0131 izleyerek kendi CRUD API&#8217;lerinizi olu\u015fturabilir ve geli\u015ftirebilirsiniz.  Daha fazla bilgi ve \u00f6rnek i\u00e7in  <a href=\"https:\/\/fatihsoysal.com\">fatihsoysal.com<\/a>  sitesini ziyaret edebilirsiniz.  Ayr\u0131ca,  <a href=\"https:\/\/dev.to\/olymahmud\/building-a-crud-api-with-aspnet-core-web-api-and-postgresql-p5f\">bu \u0130ngilizce makale<\/a> de size yard\u0131mc\u0131 olabilir.<\/p>\n<p>Umar\u0131m bu makale faydal\u0131 olmu\u015ftur.  Sorular\u0131n\u0131z veya \u00f6nerileriniz varsa, l\u00fctfen yorumlarda belirtin.<\/p>\n<h3>#Etiketler<\/h3>\n<p>#ASP.NET Core #Web API #PostgreSQL #CRUD #RESTful API #C# #.NET #Veritaban\u0131 #Programlama #Geli\u015ftirme<\/p>\n<p><\/body><br \/>\n<\/html><\/p>\n","protected":false},"excerpt":{"rendered":"ASP.NET Core Web API ve PostgreSQL ile CRUD API Geli\u015ftirme Merhaba! Bu makalede, ASP.NET Core Web API ve&hellip;","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"csco_page_header_type":"","csco_page_load_nextpost":"","csco_page_subscribe_form":"","csco_page_contact_form":"","footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-12553","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-genel","7":"cs-entry","8":"cs-video-wrap"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.5 (Yoast SEO v25.3.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>ASP.NET Core Web API ve PostgreSQL ile CRUD API Geli\u015ftirme<\/title>\n<meta name=\"description\" content=\"Merhaba! Bu makalede, ASP.NET Core Web API ve PostgreSQL kullanarak bir CRUD (Create, Read, Update, Delete) API&#039;si nas\u0131l geli\u015ftirilece\u011fini ad\u0131m ad\u0131m ele alaca\u011f\u0131z. Bu rehber, temel seviyeden orta seviyeye kadar olan geli\u015ftiriciler i\u00e7in idealdir. \u00d6ncelikle, projenin temel mimarisini ve gerekli k\u00fct\u00fcphaneleri kuraca\u011f\u0131z. Ard\u0131ndan, veritaban\u0131 ba\u011flant\u0131s\u0131n\u0131 yap\u0131land\u0131raca\u011f\u0131z ve CRUD i\u015flemlerini ger\u00e7ekle\u015ftirecek kontrolc\u00fcler (Controllers) olu\u015fturaca\u011f\u0131z. Son olarak, API&#039;yi test ederek tamamlayaca\u011f\u0131z.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fatihsoysal.com\/blog\/asp-net-core-web-api-ve-postgresql-ile-crud-api-gelistirme\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ASP.NET Core Web API ve PostgreSQL ile CRUD API Geli\u015ftirme\" \/>\n<meta property=\"og:description\" content=\"Merhaba! Bu makalede, ASP.NET Core Web API ve PostgreSQL kullanarak bir CRUD (Create, Read, Update, Delete) API&#039;si nas\u0131l geli\u015ftirilece\u011fini ad\u0131m ad\u0131m ele alaca\u011f\u0131z. Bu rehber, temel seviyeden orta seviyeye kadar olan geli\u015ftiriciler i\u00e7in idealdir. \u00d6ncelikle, projenin temel mimarisini ve gerekli k\u00fct\u00fcphaneleri kuraca\u011f\u0131z. Ard\u0131ndan, veritaban\u0131 ba\u011flant\u0131s\u0131n\u0131 yap\u0131land\u0131raca\u011f\u0131z ve CRUD i\u015flemlerini ger\u00e7ekle\u015ftirecek kontrolc\u00fcler (Controllers) olu\u015fturaca\u011f\u0131z. 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