Update DepartmentDAL.cs

Author: geeksarray

AdventureData/DAL/DepartmentDAL.cs

@@ -1,18 +1,52 @@
-using AdventureData.Models;
+using AdventureData.Models;
 using Microsoft.Extensions.Configuration;
 using System;
 using System.Collections.Generic;
 using System.Data;
 using System.Data.SqlClient;
 
+
 namespace AdventureData.DAL
 {
     public class DepartmentDAL
     {
         private readonly IConfiguration _configuration;
+        private readonly string _connectionString;
         public DepartmentDAL(IConfiguration configuration)
         {
             this._configuration = configuration;
+            this._connectionString = this._configuration.GetConnectionString("Default");
+        }
+
+        public List<department> GetAllDepartments()
+        {
+            var lstDepartments = new List<department>();
+            try
+            {
+                using (SqlConnection con = new SqlConnection(_connectionString))
+                {
+                    SqlCommand cmd = new SqlCommand("SELECT * FROM [HumanResources].[Department]", con);
+                    cmd.CommandType = CommandType.Text;
+                    con.Open();
+                    SqlDataReader rdr = cmd.ExecuteReader();
+                    while (rdr.Read())
+                    {
+                        lstDepartments.Add(new department
+                        {
+                            DepartmentID = rdr.GetInt16("DepartmentID"),
+                            Name = rdr.GetString("Name"),
+                            GroupName = rdr.GetString("GroupName"),
+                            ModifiedDate = rdr.GetDateTime("ModifiedDate")
+                        });
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                throw ex;
+            }
+            return lstDepartments;
         }
     }
 }
+