1. using System;  
2. using System.Collections.Generic;  
3. using System.Data;  
4. using System.Linq;  
5. using System.Text;  
6. using System.Threading.Tasks;  
7.   
8. namespace AnonymousEventsForClick  
9. {  
10.     public class AddEquipment : ReadData  
11.     {  
12.         // POR  
13.     }  
14.   
15.     public class DBManager  
16.     { }  
17.   
18.   
19.     public class ReadData  
20.     {  
21.         public string MyKey { get; set; }  
22.         public DataColumn MyDataRow { get; set; }  
23.   
24.     }  
25.   
26.     public class Class2  
27.     {  
28.   
29.         public List AddEquipMaster(AddEquipment equipmaster)  
30.         {  
31.             List o = null;  
32.             DataTable dt = null;  
33.             var message = string.Empty;  
34.             var db = new DBManager();  
35.             try  
36.             {  
37.                 var parameters = new List  
38.                 {  
39.                     db.CreateParameter("@EquipmentCodeParam", equipmaster.EquipmentCode, DbType.String),  
40.                     db.CreateParameter("@EquipmentNameParam", equipmaster.EquipmentName, DbType.String),  
41.                     db.CreateParameter("@LocationCodeParam", equipmaster.LocationCode, DbType.String),  
42.                     db.CreateParameter("@ServiceCodeParam", equipmaster.ServiceCode, DbType.String),  
43.                     db.CreateParameter("@IsActiveParam", equipmaster.IsActive, DbType.String),  
44.                     db.CreateParameter("@CreatedByParam", equipmaster.CreatedBy, DbType.String)  
45.                 };  
46.                 IDbDataParameter[] arrParams = parameters.ToArray();  
47.                 dt = db.ExecuteDataTableWithOutParameter(CommandType.StoredProcedure, "SP_SW_Add_EquipmentMaster", ref arrParams);  
48.                 o = GenerateList.ConvertDataTableToList(dt);  
49.   
50.             }  
51.             catch (Exception err)  
52.             {  
53.                 err.Message.ToString();  
54.                 throw;  
55.             }  
56.             finally  
57.             {  
58.                 db.Dispose();  
59.             }  
60.             return o;  
61.         }  
62.   
63.   
64.         [HttpPost]  
65.         [Route("AddEquipment")]  
66.         public IActionResult AddEquipment(AddEquipment equipment)  
67.         {  
68.             Response response = new Response();  
69.             try  
70.             {  
71.                 if (ModelState.IsValid)  
72.                 {  
73.                     var lstRecords = new DAL.DALEquipment().AddEquipMaster(equipment);  
74.   
75.                     foreach (var k in lstRecords)  
76.                     {  

1.                         var theKey = k[0].MyKey; // HERE YOU ACCESS THE KEY  

1.                     }  
2.   
3.                     if (lstRecords != null && lstRecords.Count > 0)  
4.                     {  
5.                         response.Data = lstRecords;  
6.   
7.                         response.Code = (int)HttpStatusCode.OK;  
8.                     }  
9.                     else  
10.                     {  
11.                         response.Code = (int)HttpStatusCode.BadRequest;  
12.                         response.Message = ResponseMessage.InsertErrorMessage;  
13.                     }  
14.                 }  
15.             }  
16.             catch (Exception ex)  
17.             {  
18.                 response.Code = (int)HttpStatusCode.BadRequest;  
19.                 response.Message = ResponseMessage.InternalServerError;  
20.                 throw new CustomException(ex.Message, ex);  
21.             }  
22.             return StatusCode(response.Code, response);  
23.         }  
24.   
25.         public static List> ConvertDataTableToList(DataTable dt)  
26.         {  
27.             var rows = new List>();  
28.   
29.             foreach (DataRow dr in dt.Rows)  
30.             {  
31.                 var row = new List();  
32.                 foreach (DataColumn col in dt.Columns)  
33.                     row.Add(new ReadData { MyKey = col.ColumnName, MyDataRow = col });  
34.   
35.                 rows.Add(row);  
36.             }  
37.             return rows;  
38.         }  
39.   
40.   
41.     }  
42. }