{"id":1217,"date":"2023-08-15T13:37:30","date_gmt":"2023-08-15T13:37:30","guid":{"rendered":"https:\/\/dijix.com.ua\/blog\/?p=1217"},"modified":"2023-08-15T13:37:30","modified_gmt":"2023-08-15T13:37:30","slug":"delaem-avtorizacziyu-v-c-s-ispolzovaniem-sql","status":"publish","type":"post","link":"https:\/\/dijix.com.ua\/blog\/uk\/delaem-avtorizacziyu-v-c-s-ispolzovaniem-sql\/","title":{"rendered":"\u0420\u043e\u0431\u0438\u043c\u043e \u0430\u0432\u0442\u043e\u0440\u0438\u0437\u0430\u0446\u0456\u044e \u0432 C# \u0437 \u0432\u0438\u043a\u043e\u0440\u0438\u0441\u0442\u0430\u043d\u043d\u044f\u043c Sql"},"content":{"rendered":"<p>\u0414\u043b\u044f \u0441\u0442\u0432\u043e\u0440\u0435\u043d\u043d\u044f \u0430\u0432\u0442\u043e\u0440\u0438\u0437\u0430\u0446\u0456\u0457 \u0437 \u0432\u0438\u043a\u043e\u0440\u0438\u0441\u0442\u0430\u043d\u043d\u044f\u043c C# \u0456 SQL \u0432\u0430\u043c \u0437\u043d\u0430\u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u043f\u043e\u0454\u0434\u043d\u0430\u043d\u043d\u044f \u043a\u043e\u0434\u0443 \u043d\u0430 C# \u0434\u043b\u044f \u0441\u0442\u0432\u043e\u0440\u0435\u043d\u043d\u044f \u043a\u043e\u0440\u0438\u0441\u0442\u0443\u0432\u0430\u043b\u044c\u043d\u0438\u0446\u044c\u043a\u043e\u0433\u043e \u0456\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u0443 \u0456 \u0440\u043e\u0431\u043e\u0442\u0438 \u0437 \u0431\u0430\u0437\u043e\u044e \u0434\u0430\u043d\u0438\u0445, \u0430 \u0442\u0430\u043a\u043e\u0436 \u0431\u0430\u0437\u0430 \u0434\u0430\u043d\u0438\u0445, \u0443 \u044f\u043a\u0456\u0439 \u0437\u0431\u0435\u0440\u0456\u0433\u0430\u0442\u0438\u043c\u0443\u0442\u044c\u0441\u044f \u0434\u0430\u043d\u0456 \u043a\u043e\u0440\u0438\u0441\u0442\u0443\u0432\u0430\u0447\u0456\u0432. \u041d\u0438\u0436\u0447\u0435 \u044f \u043d\u0430\u0434\u0430\u043c \u0432\u0430\u043c \u0437\u0430\u0433\u0430\u043b\u044c\u043d\u0438\u0439 \u043f\u043b\u0430\u043d \u0456 \u043f\u0440\u0438\u0431\u043b\u0438\u0437\u043d\u0438\u0439 \u043a\u043e\u0434 \u0434\u043b\u044f \u0440\u0435\u0430\u043b\u0456\u0437\u0430\u0446\u0456\u0457 \u0431\u0430\u0437\u043e\u0432\u043e\u0457 \u0441\u0438\u0441\u0442\u0435\u043c\u0438 \u0430\u0432\u0442\u043e\u0440\u0438\u0437\u0430\u0446\u0456\u0457.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_53 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\r\n<div class=\"ez-toc-title-container\">\r\n<p class=\"ez-toc-title \" >Table of Contents<\/p>\r\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\" role=\"button\"><label for=\"item-69d4c761470e0\" ><span class=\"\"><span style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" 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href=\"https:\/\/dijix.com.ua\/blog\/uk\/delaem-avtorizacziyu-v-c-s-ispolzovaniem-sql\/#%D0%A1%D1%82%D0%B2%D0%BE%D1%80%D0%B5%D0%BD%D0%BD%D1%8F_%D0%B1%D0%B0%D0%B7%D0%B8_%D0%B4%D0%B0%D0%BD%D0%B8%D1%85\" title=\"\u0421\u0442\u0432\u043e\u0440\u0435\u043d\u043d\u044f \u0431\u0430\u0437\u0438 \u0434\u0430\u043d\u0438\u0445\">\u0421\u0442\u0432\u043e\u0440\u0435\u043d\u043d\u044f \u0431\u0430\u0437\u0438 \u0434\u0430\u043d\u0438\u0445<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/dijix.com.ua\/blog\/uk\/delaem-avtorizacziyu-v-c-s-ispolzovaniem-sql\/#%D0%A1%D1%82%D0%B2%D0%BE%D1%80%D0%B5%D0%BD%D0%BD%D1%8F_%D0%BA%D0%BE%D1%80%D0%B8%D1%81%D1%82%D1%83%D0%B2%D0%B0%D1%86%D1%8C%D0%BA%D0%BE%D0%B3%D0%BE_%D1%96%D0%BD%D1%82%D0%B5%D1%80%D1%84%D0%B5%D0%B9%D1%81%D1%83\" title=\"\u0421\u0442\u0432\u043e\u0440\u0435\u043d\u043d\u044f \u043a\u043e\u0440\u0438\u0441\u0442\u0443\u0432\u0430\u0446\u044c\u043a\u043e\u0433\u043e \u0456\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u0443\">\u0421\u0442\u0432\u043e\u0440\u0435\u043d\u043d\u044f \u043a\u043e\u0440\u0438\u0441\u0442\u0443\u0432\u0430\u0446\u044c\u043a\u043e\u0433\u043e \u0456\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u0443<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/dijix.com.ua\/blog\/uk\/delaem-avtorizacziyu-v-c-s-ispolzovaniem-sql\/#%D0%9A%D0%BE%D0%B4_%D0%B0%D0%B2%D1%82%D0%BE%D1%80%D0%B8%D0%B7%D0%B0%D1%86%D1%96%D1%97\" title=\"\u041a\u043e\u0434 \u0430\u0432\u0442\u043e\u0440\u0438\u0437\u0430\u0446\u0456\u0457\">\u041a\u043e\u0434 \u0430\u0432\u0442\u043e\u0440\u0438\u0437\u0430\u0446\u0456\u0457<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/dijix.com.ua\/blog\/uk\/delaem-avtorizacziyu-v-c-s-ispolzovaniem-sql\/#%D0%92%D0%B0%D0%B6%D0%BB%D0%B8%D0%B2%D0%BE\" title=\"\u0412\u0430\u0436\u043b\u0438\u0432\u043e\">\u0412\u0430\u0436\u043b\u0438\u0432\u043e<\/a><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/dijix.com.ua\/blog\/uk\/delaem-avtorizacziyu-v-c-s-ispolzovaniem-sql\/#%D0%92%D0%B8_%D1%85%D0%BE%D1%87%D0%B5%D1%82%D0%B5_%D0%BD%D0%B0%D0%B2%D1%87%D0%B8%D1%82%D0%B8%D1%81%D1%8F_%D0%BF%D0%B8%D1%81%D0%B0%D1%82%D0%B8_%D0%BA%D0%BE%D0%B4_%D0%BC%D0%BE%D0%B2%D0%BE%D1%8E_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D1%83%D0%B2%D0%B0%D0%BD%D0%BD%D1%8F_C\" title=\"\u0412\u0438 \u0445\u043e\u0447\u0435\u0442\u0435 \u043d\u0430\u0432\u0447\u0438\u0442\u0438\u0441\u044f \u043f\u0438\u0441\u0430\u0442\u0438 \u043a\u043e\u0434 \u043c\u043e\u0432\u043e\u044e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u0443\u0432\u0430\u043d\u043d\u044f C#?\">\u0412\u0438 \u0445\u043e\u0447\u0435\u0442\u0435 \u043d\u0430\u0432\u0447\u0438\u0442\u0438\u0441\u044f \u043f\u0438\u0441\u0430\u0442\u0438 \u043a\u043e\u0434 \u043c\u043e\u0432\u043e\u044e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u0443\u0432\u0430\u043d\u043d\u044f C#?<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div>\r\n\n<h2><span class=\"ez-toc-section\" id=\"%D0%A1%D1%82%D0%B2%D0%BE%D1%80%D0%B5%D0%BD%D0%BD%D1%8F_%D0%B1%D0%B0%D0%B7%D0%B8_%D0%B4%D0%B0%D0%BD%D0%B8%D1%85\"><\/span>\u0421\u0442\u0432\u043e\u0440\u0435\u043d\u043d\u044f \u0431\u0430\u0437\u0438 \u0434\u0430\u043d\u0438\u0445<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0421\u043f\u043e\u0447\u0430\u0442\u043a\u0443 \u0432\u0430\u043c \u043f\u043e\u0442\u0440\u0456\u0431\u043d\u043e \u0441\u0442\u0432\u043e\u0440\u0438\u0442\u0438 \u0431\u0430\u0437\u0443 \u0434\u0430\u043d\u0438\u0445, \u044f\u043a\u0430 \u0431\u0443\u0434\u0435 \u0437\u0431\u0435\u0440\u0456\u0433\u0430\u0442\u0438 \u0456\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0456\u044e \u043f\u0440\u043e \u043a\u043e\u0440\u0438\u0441\u0442\u0443\u0432\u0430\u0447\u0456\u0432. \u0423 \u0446\u0456\u0439 \u0431\u0430\u0437\u0456 \u0434\u0430\u043d\u0438\u0445 \u0441\u0442\u0432\u043e\u0440\u0456\u0442\u044c \u0442\u0430\u0431\u043b\u0438\u0446\u044e Users (\u0430\u0431\u043e \u0430\u043d\u0430\u043b\u043e\u0433\u0456\u0447\u043d\u0443), \u044f\u043a\u0430 \u043c\u0456\u0441\u0442\u0438\u0442\u0438\u043c\u0435 \u043f\u043e\u043b\u044f, \u044f\u043a-\u043e\u0442 Username, PasswordHash \u0456 Salt \u0434\u043b\u044f \u0437\u0431\u0435\u0440\u0456\u0433\u0430\u043d\u043d\u044f \u0456\u043c\u0435\u043d\u0456 \u043a\u043e\u0440\u0438\u0441\u0442\u0443\u0432\u0430\u0447\u0430, \u0445\u0435\u0448\u0443 \u043f\u0430\u0440\u043e\u043b\u044f \u0442\u0430 \u0441\u043e\u043b\u0456 (\u0432\u0438\u043f\u0430\u0434\u043a\u043e\u0432\u043e\u0433\u043e \u0440\u044f\u0434\u043a\u0430 \u0434\u043b\u044f \u043f\u043e\u0441\u0438\u043b\u0435\u043d\u043d\u044f \u0431\u0435\u0437\u043f\u0435\u043a\u0438).<\/p>\n<pre class=\"lang:default decode:true \">CREATE TABLE USERS\r\n(\r\nID int IDENTITY  PRIMARY KEY,\r\nHASHED_PASSWORD VARCHAR(255) NOT NULL,\r\nUSERNAME VARCHAR(255) NOT NULL,\r\nSALT VARCHAR(1024)\r\n);\r\n<\/pre>\n<h2><span class=\"ez-toc-section\" id=\"%D0%A1%D1%82%D0%B2%D0%BE%D1%80%D0%B5%D0%BD%D0%BD%D1%8F_%D0%BA%D0%BE%D1%80%D0%B8%D1%81%D1%82%D1%83%D0%B2%D0%B0%D1%86%D1%8C%D0%BA%D0%BE%D0%B3%D0%BE_%D1%96%D0%BD%D1%82%D0%B5%D1%80%D1%84%D0%B5%D0%B9%D1%81%D1%83\"><\/span>\u0421\u0442\u0432\u043e\u0440\u0435\u043d\u043d\u044f \u043a\u043e\u0440\u0438\u0441\u0442\u0443\u0432\u0430\u0446\u044c\u043a\u043e\u0433\u043e \u0456\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u0443<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0412\u0438\u043a\u043e\u0440\u0438\u0441\u0442\u043e\u0432\u0443\u0439\u0442\u0435 Windows Forms \u0430\u0431\u043e WPF \u0434\u043b\u044f \u0441\u0442\u0432\u043e\u0440\u0435\u043d\u043d\u044f \u043a\u043e\u0440\u0438\u0441\u0442\u0443\u0432\u0430\u0446\u044c\u043a\u043e\u0433\u043e \u0456\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u0443. \u0414\u043e\u0434\u0430\u0439\u0442\u0435 \u043f\u043e\u043b\u044f \u0434\u043b\u044f \u0432\u0432\u0435\u0434\u0435\u043d\u043d\u044f \u0456\u043c\u0435\u043d\u0456 \u043a\u043e\u0440\u0438\u0441\u0442\u0443\u0432\u0430\u0447\u0430 \u0442\u0430 \u043f\u0430\u0440\u043e\u043b\u044f, \u0430 \u0442\u0430\u043a\u043e\u0436 \u043a\u043d\u043e\u043f\u043a\u0443 \u0434\u043b\u044f \u0432\u0445\u043e\u0434\u0443.<\/p>\n<p>\u0422\u0430\u043a \u0441\u0430\u043c\u043e, \u043c\u043e\u0436\u0435\u0442\u0435 \u0432\u0438\u043a\u043e\u0440\u0438\u0441\u0442\u043e\u0432\u0443\u0432\u0430\u0442\u0438 \u0442\u0438\u043f \u043f\u0440\u043e\u0454\u043a\u0442\u0443 &#8211; Console Application.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%D0%9A%D0%BE%D0%B4_%D0%B0%D0%B2%D1%82%D0%BE%D1%80%D0%B8%D0%B7%D0%B0%D1%86%D1%96%D1%97\"><\/span>\u041a\u043e\u0434 \u0430\u0432\u0442\u043e\u0440\u0438\u0437\u0430\u0446\u0456\u0457<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0414\u043b\u044f \u0430\u0432\u0442\u043e\u0440\u0438\u0437\u0430\u0446\u0456\u0457 \u0432\u0438\u0437\u043d\u0430\u0447\u0438\u043c\u043e \u043c\u0435\u0442\u043e\u0434\u0438, \u044f\u043a\u0456 \u0432\u0438 \u0437\u043c\u043e\u0436\u0435\u0442\u0435 \u0432\u0438\u043a\u043e\u0440\u0438\u0441\u0442\u043e\u0432\u0443\u0432\u0430\u0442\u0438 \u0431\u0443\u0434\u044c-\u044f\u043a\u0438\u0439 \u0456\u0437 3-\u043e\u0445 \u0440\u0430\u043d\u0456\u0448\u0435 \u043f\u0435\u0440\u0435\u043b\u0456\u0447\u0435\u043d\u0438\u0445 \u0442\u0438\u043f\u0456\u0432 \u0434\u043e\u0434\u0430\u0442\u043a\u0456\u0432:<\/p>\n<pre class=\"lang:default decode:true \">\/\/ Connection string to your SQL database\r\n    private string connectionString = \"Your_Connection_String\";\r\n\r\n    private void Login()\r\n    {\r\n        \/\/Request email and password from the user\r\n        string username = \"\";\r\n        string password = \"\";\r\n\r\n        if (AuthenticateUser(username, password))\r\n        {\r\n            Console.WriteLine(\"Login successful!\");\r\n        }\r\n        else\r\n        {\r\n            Console.WriteLine(\"Invalid username or password.\");\r\n        }\r\n    }\r\n\r\n    private bool AuthenticateUser(string username, string password)\r\n    {\r\n        using (SqlConnection connection = new SqlConnection(connectionString))\r\n        {\r\n            connection.Open();\r\n            string query = \"SELECT PasswordHash, Salt FROM Users WHERE Username = @Username\";\r\n            using (SqlCommand command = new SqlCommand(query, connection))\r\n            {\r\n                command.Parameters.AddWithValue(\"@Username\", username);\r\n                using (SqlDataReader reader = command.ExecuteReader())\r\n                {\r\n                    if (reader.Read())\r\n                    {\r\n                        string storedHash = reader.GetString(0);\r\n                        string salt = reader.GetString(1);\r\n                        string hashedPassword = HashPassword(password, salt);\r\n                        return storedHash == hashedPassword;\r\n                    }\r\n                }\r\n            }\r\n        }\r\n        return false;\r\n    }\r\n\r\n    private string HashPassword(string password, string salt)\r\n    {\r\n        using (var sha256 = SHA256.Create())\r\n        {\r\n            byte[] bytes = Encoding.UTF8.GetBytes(password + salt);\r\n            byte[] hashBytes = sha256.ComputeHash(bytes);\r\n            return BitConverter.ToString(hashBytes).Replace(\"-\", \"\").ToLower();\r\n        }\r\n    }<\/pre>\n<h2><span class=\"ez-toc-section\" id=\"%D0%92%D0%B0%D0%B6%D0%BB%D0%B8%D0%B2%D0%BE\"><\/span>\u0412\u0430\u0436\u043b\u0438\u0432\u043e<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>1. \u041d\u0456\u043a\u043e\u043b\u0438 \u043d\u0435 \u0437\u0431\u0435\u0440\u0456\u0433\u0430\u0439\u0442\u0435 \u043f\u0430\u0440\u043e\u043b\u0456 \u0432 \u0431\u0430\u0437\u0456 \u0434\u0430\u043d\u0438\u0445 \u0443 \u0432\u0456\u0434\u043a\u0440\u0438\u0442\u043e\u043c\u0443 \u0432\u0438\u0433\u043b\u044f\u0434\u0456. \u0417\u0430\u043c\u0456\u0441\u0442\u044c \u0446\u044c\u043e\u0433\u043e, \u0437\u0431\u0435\u0440\u0456\u0433\u0430\u0439\u0442\u0435 \u0445\u0435\u0448\u0456 \u043f\u0430\u0440\u043e\u043b\u0456\u0432 \u0456 \u0441\u043e\u043b\u0456 \u0434\u043b\u044f \u043f\u043e\u0441\u0438\u043b\u0435\u043d\u043d\u044f \u0431\u0435\u0437\u043f\u0435\u043a\u0438.<\/p>\n<p>2 \u0412\u0438\u043a\u043e\u0440\u0438\u0441\u0442\u043e\u0432\u0443\u0439\u0442\u0435 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u0438\u0437\u043e\u0432\u0430\u043d\u0456 \u0437\u0430\u043f\u0438\u0442\u0438 \u0434\u043b\u044f \u0437\u0430\u043f\u043e\u0431\u0456\u0433\u0430\u043d\u043d\u044f SQL-\u0456\u043d&#8217;\u0454\u043a\u0446\u0456\u044f\u043c.<\/p>\n<p>3. \u041d\u0435 \u0437\u0430\u0431\u0443\u0434\u044c\u0442\u0435 \u0437\u0430\u0431\u0435\u0437\u043f\u0435\u0447\u0438\u0442\u0438 \u0431\u0435\u0437\u043f\u0435\u0447\u043d\u0435 \u0437\u0431\u0435\u0440\u0456\u0433\u0430\u043d\u043d\u044f \u0440\u044f\u0434\u043a\u0430 \u043f\u0456\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u043d\u044f \u0434\u043e \u0431\u0430\u0437\u0438 \u0434\u0430\u043d\u0438\u0445.<\/p>\n<p>\u042f \u0441\u043f\u043e\u0434\u0456\u0432\u0430\u044e\u0441\u044f, \u0449\u043e \u0432\u0430\u043c \u0441\u043f\u043e\u0434\u043e\u0431\u0430\u043b\u043e\u0441\u044f \u0447\u0438\u0442\u0430\u0442\u0438 \u0446\u044e \u0441\u0442\u0430\u0442\u0442\u044e, \u0456 \u0432\u043e\u043d\u0430 \u0432\u0438\u044f\u0432\u0438\u043b\u0430\u0441\u044f \u043b\u0435\u0433\u043a\u043e\u044e \u0434\u043b\u044f \u0440\u043e\u0437\u0443\u043c\u0456\u043d\u043d\u044f. \u0411\u0443\u0434\u044c \u043b\u0430\u0441\u043a\u0430, \u0434\u0430\u0439\u0442\u0435 \u043c\u0435\u043d\u0456 \u0437\u043d\u0430\u0442\u0438, \u044f\u043a\u0449\u043e \u0443 \u0432\u0430\u0441 \u0454 \u044f\u043a\u0456\u0441\u044c \u043a\u043e\u043c\u0435\u043d\u0442\u0430\u0440\u0456 \u0430\u0431\u043e \u0432\u0438\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u043d\u044f.<\/p>\n<p>\u0422\u0430\u043a \u0441\u0430\u043c\u043e \u0432\u0430\u043c \u043c\u043e\u0436\u0435 \u0431\u0443\u0442\u0438 \u0446\u0456\u043a\u0430\u0432\u0430 \u043f\u043e\u043f\u0435\u0440\u0435\u0434\u043d\u044f \u0441\u0442\u0430\u0442\u0442\u044f &#8211; \u041d\u0430\u0437\u0432\u0430 \u0441\u0442\u0430\u0442\u0442\u0456.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%D0%92%D0%B8_%D1%85%D0%BE%D1%87%D0%B5%D1%82%D0%B5_%D0%BD%D0%B0%D0%B2%D1%87%D0%B8%D1%82%D0%B8%D1%81%D1%8F_%D0%BF%D0%B8%D1%81%D0%B0%D1%82%D0%B8_%D0%BA%D0%BE%D0%B4_%D0%BC%D0%BE%D0%B2%D0%BE%D1%8E_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D1%83%D0%B2%D0%B0%D0%BD%D0%BD%D1%8F_C\"><\/span><strong>\u0412\u0438 \u0445\u043e\u0447\u0435\u0442\u0435 \u043d\u0430\u0432\u0447\u0438\u0442\u0438\u0441\u044f \u043f\u0438\u0441\u0430\u0442\u0438 \u043a\u043e\u0434 \u043c\u043e\u0432\u043e\u044e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u0443\u0432\u0430\u043d\u043d\u044f C#?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u0421\u0442\u0432\u043e\u0440\u044e\u0432\u0430\u0442\u0438 \u0440\u0456\u0437\u043d\u0456 \u0456\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0456\u0439\u043d\u0456 \u0441\u0438\u0441\u0442\u0435\u043c\u0438, \u0449\u043e \u0441\u043a\u043b\u0430\u0434\u0430\u044e\u0442\u044c\u0441\u044f \u0437 \u0441\u0430\u0439\u0442\u0456\u0432, \u043c\u043e\u0431\u0456\u043b\u044c\u043d\u0438\u0445 \u043a\u043b\u0456\u0454\u043d\u0442\u0456\u0432, \u0434\u0435\u0441\u043a\u0442\u043e\u043f\u043d\u0438\u0445 \u0434\u043e\u0434\u0430\u0442\u043a\u0456\u0432, \u0442\u0435\u043b\u0435\u0433\u0440\u0430\u043c-\u0431\u043e\u0442\u0456\u0432 \u0442\u043e\u0449\u043e.<\/p>\n<p><a href=\"https:\/\/dijix.com.ua\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-94 size-full\" src=\"https:\/\/dijix.com.ua\/blog\/wp-content\/uploads\/2022\/08\/logog-brand.png\" alt=\"\" width=\"355\" height=\"77\" srcset=\"https:\/\/dijix.com.ua\/blog\/wp-content\/uploads\/2022\/08\/logog-brand.png 355w, https:\/\/dijix.com.ua\/blog\/wp-content\/uploads\/2022\/08\/logog-brand-300x65.png 300w\" sizes=\"auto, (max-width: 355px) 100vw, 355px\" \/><\/a><\/p>\n<p>\u041f\u0435\u0440\u0435\u0445\u043e\u0434\u044c\u0442\u0435 \u0434\u043e \u043d\u0430\u0441 \u043d\u0430 \u0441\u0442\u043e\u0440\u0456\u043d\u043a\u0443 Dijix \u0456 \u043e\u0437\u043d\u0430\u0439\u043e\u043c\u0442\u0435\u0441\u044f \u0437 \u0443\u043c\u043e\u0432\u0430\u043c\u0438 \u043d\u0430\u0432\u0447\u0430\u043d\u043d\u044f, \u043c\u0438 \u0441\u043f\u0435\u0446\u0456\u0430\u043b\u0456\u0437\u0443\u0454\u043c\u043e\u0441\u044f \u0442\u0456\u043b\u044c\u043a\u0438 \u043d\u0430 \u0456\u043d\u0434\u0438\u0432\u0456\u0434\u0443\u0430\u043b\u044c\u043d\u0438\u0445 \u0437\u0430\u043d\u044f\u0442\u0442\u044f\u0445, \u044f\u043a \u0434\u043b\u044f \u043f\u043e\u0447\u0430\u0442\u043a\u0456\u0432\u0446\u0456\u0432, \u0442\u0430\u043a \u0456 \u0434\u043b\u044f \u043f\u0440\u043e\u0441\u0443\u043d\u0443\u0442\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u0456\u0441\u0442\u0456\u0432. \u0412\u0438 \u043c\u043e\u0436\u0435\u0442\u0435 \u0432\u0437\u044f\u0442\u0438 \u044f\u043a \u043e\u0434\u043d\u0435 \u0437\u0430\u043d\u044f\u0442\u0442\u044f \u0434\u043b\u044f \u043e\u043f\u0440\u0430\u0446\u044e\u0432\u0430\u043d\u043d\u044f \u043f\u0438\u0442\u0430\u043d\u043d\u044f, \u0449\u043e \u0432\u0430\u0441 \u0446\u0456\u043a\u0430\u0432\u0438\u0442\u044c, \u0442\u0430\u043a \u0456 \u043a\u0456\u043b\u044c\u043a\u0430, \u0434\u043b\u044f \u0431\u0456\u043b\u044c\u0448 \u0449\u0456\u043b\u044c\u043d\u043e\u0457 \u0440\u043e\u0431\u043e\u0442\u0438. \u0417\u0430\u0432\u0434\u044f\u043a\u0438 \u043e\u0441\u043e\u0431\u0438\u0441\u0442\u043e\u043c\u0443 \u043a\u0430\u0431\u0456\u043d\u0435\u0442\u0443, \u043a\u043e\u0436\u0435\u043d \u0441\u0442\u0443\u0434\u0435\u043d\u0442 \u043f\u0456\u0434\u0432\u0438\u0449\u0438\u0442\u044c \u044f\u043a\u0456\u0441\u0442\u044c \u0441\u0432\u043e\u0433\u043e \u043d\u0430\u0432\u0447\u0430\u043d\u043d\u044f, \u0443 \u0432\u0430\u0448\u043e\u043c\u0443 \u0440\u043e\u0437\u043f\u043e\u0440\u044f\u0434\u0436\u0435\u043d\u043d\u0456:<\/p>\n<ul>\n<li>\u0414\u043e\u0441\u0442\u0443\u043f \u0434\u043e \u043f\u0440\u043e\u0439\u0434\u0435\u043d\u043e\u0433\u043e \u043c\u0430\u0442\u0435\u0440\u0456\u0430\u043b\u0443<\/li>\n<li>\u0422\u0435\u043c\u0430\u0442\u0438\u0447\u043d\u0456 \u0441\u0442\u0430\u0442\u0442\u0456<\/li>\n<li>\u0411\u0456\u0431\u043b\u0456\u043e\u0442\u0435\u043a\u0430 \u043a\u043d\u0438\u0433<\/li>\n<li>\u041e\u043d\u043b\u0430\u0439\u043d \u0442\u0435\u0441\u0442\u0443\u0432\u0430\u043d\u043d\u044f<\/li>\n<li>\u0421\u043f\u0456\u043b\u043a\u0443\u0432\u0430\u043d\u043d\u044f \u0432 \u0437\u0430\u043a\u0440\u0438\u0442\u0438\u0445 \u0433\u0440\u0443\u043f\u0430\u0445<\/li>\n<\/ul>\n<blockquote>\n<p style=\"text-align: right;\"><a href=\"https:\/\/dijix.com.ua\/uk\/\">https:\/\/dijix.com.ua<\/a><\/p>\n<p style=\"text-align: right;\"><a href=\"https:\/\/ms.dijix.com.ua\/\">\u0416\u0438\u0432\u0438 \u0443 \u0441\u0432\u043e\u0454\u043c\u0443 \u0441\u0432\u0456\u0442\u0456, \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u0443\u0439 \u0443 \u043d\u0430\u0448\u043e\u043c\u0443<\/a>.<\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>\u0414\u043b\u044f \u0441\u0442\u0432\u043e\u0440\u0435\u043d\u043d\u044f \u0430\u0432\u0442\u043e\u0440\u0438\u0437\u0430\u0446\u0456\u0457 \u0437 \u0432\u0438\u043a\u043e\u0440\u0438\u0441\u0442\u0430\u043d\u043d\u044f\u043c C# \u0456 SQL \u0432\u0430\u043c \u0437\u043d\u0430\u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u043f\u043e\u0454\u0434\u043d\u0430\u043d\u043d\u044f \u043a\u043e\u0434\u0443 \u043d\u0430 C# \u0434\u043b\u044f \u0441\u0442\u0432\u043e\u0440\u0435\u043d\u043d\u044f \u043a\u043e\u0440\u0438\u0441\u0442\u0443\u0432\u0430\u043b\u044c\u043d\u0438\u0446\u044c\u043a\u043e\u0433\u043e \u0456\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u0443 \u0456 \u0440\u043e\u0431\u043e\u0442\u0438 \u0437 \u0431\u0430\u0437\u043e\u044e \u0434\u0430\u043d\u0438\u0445, \u0430 \u0442\u0430\u043a\u043e\u0436&#8230;<\/p>\n<div class=\"more-link-wrapper\"><a class=\"more-link\" href=\"https:\/\/dijix.com.ua\/blog\/uk\/delaem-avtorizacziyu-v-c-s-ispolzovaniem-sql\/\">Continue reading<span class=\"screen-reader-text\">\u0420\u043e\u0431\u0438\u043c\u043e \u0430\u0432\u0442\u043e\u0440\u0438\u0437\u0430\u0446\u0456\u044e \u0432 C# \u0437 \u0432\u0438\u043a\u043e\u0440\u0438\u0441\u0442\u0430\u043d\u043d\u044f\u043c Sql<\/span><\/a><\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_locale":"uk","_original_post":"https:\/\/dijix.com.ua\/blog\/?p=1214","footnotes":""},"categories":[10],"tags":[],"class_list":["post-1217","post","type-post","status-publish","format-standard","hentry","category-otvety-na-voprosy-c","uk","entry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.13 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\r\n<title>\u0420\u043e\u0431\u0438\u043c\u043e \u0430\u0432\u0442\u043e\u0440\u0438\u0437\u0430\u0446\u0456\u044e \u0432 C# \u0437 \u0432\u0438\u043a\u043e\u0440\u0438\u0441\u0442\u0430\u043d\u043d\u044f\u043c Sql - Dijix - \u0411\u043b\u043e\u0433<\/title>\r\n<meta name=\"description\" content=\"\u0414\u043b\u044f \u0441\u0442\u0432\u043e\u0440\u0435\u043d\u043d\u044f \u0430\u0432\u0442\u043e\u0440\u0438\u0437\u0430\u0446\u0456\u0457 \u0437 \u0432\u0438\u043a\u043e\u0440\u0438\u0441\u0442\u0430\u043d\u043d\u044f\u043c C# \u0456 SQL \u0432\u0430\u043c \u0437\u043d\u0430\u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u043f\u043e\u0454\u0434\u043d\u0430\u043d\u043d\u044f \u043a\u043e\u0434\u0443 \u043d\u0430 C# \u0434\u043b\u044f \u0441\u0442\u0432\u043e\u0440\u0435\u043d\u043d\u044f \u043a\u043e\u0440\u0438\u0441\u0442\u0443\u0432\u0430\u0446\u044c\u043a\u043e\u0433\u043e \u0456\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u0443.\" \/>\r\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\r\n<link rel=\"canonical\" href=\"https:\/\/dijix.com.ua\/blog\/uk\/delaem-avtorizacziyu-v-c-s-ispolzovaniem-sql\/\" \/>\r\n<meta property=\"og:locale\" content=\"uk_UA\" \/>\r\n<meta property=\"og:type\" content=\"article\" \/>\r\n<meta property=\"og:title\" content=\"\u0420\u043e\u0431\u0438\u043c\u043e 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