Update to 25.1.3+

Author: AlisherAmonulloev

ASP.NET Core/DevExtremeAspNetCoreApp1/Controllers/orig_DataGridCitiesByStateController.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using DevExtreme.AspNet.Data;
+using DevExtreme.AspNet.Mvc;
+using DevExtremeAspNetCoreApp1.Models;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+
+namespace DevExtremeAspNetCoreApp1.Controllers
+{
+    [Route("api/[controller]")]
+    [ApiController]
+    public class DataGridCitiesByStateController : ControllerBase
+    {
+        [HttpGet]
+        public object Get(DataSourceLoadOptions loadOptions)
+        {
+            return DataSourceLoader.Load(SampleData.CitiesByState, loadOptions);
+        }
+    }
+}

ASP.NET Core/DevExtremeAspNetCoreApp1/Controllers/orig_DataGridEmployeesByStateController.cs

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+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using System.Threading.Tasks;
+using DevExtreme.AspNet.Data;
+using DevExtreme.AspNet.Mvc;
+using DevExtremeAspNetCoreApp1.Models;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+using Newtonsoft.Json;
+
+namespace DevExtremeAspNetCoreApp1.Controllers
+{
+    [Route("api/[controller]/[action]")]
+    public class DataGridEmployeesByStateController : Controller
+    {
+        [HttpGet]
+        public object Get(DataSourceLoadOptions loadOptions)
+        {
+            return DataSourceLoader.Load(SampleData.DataGridEmployeesByState, loadOptions);
+        }
+
+        [HttpPost]
+        public IActionResult Post(string values)
+        {
+            var newEmployee = new EmployeeByState();
+            JsonConvert.PopulateObject(values, newEmployee);
+
+            if (!TryValidateModel(newEmployee))
+                return BadRequest("Failed to insert item");
+
+            SampleData.DataGridEmployeesByState.Append(newEmployee);
+
+            return Ok();
+        }
+
+        [HttpPut]
+        public IActionResult Put(int key, string values)
+        {
+            var employee = SampleData.DataGridEmployeesByState.First(a => a.ID == key);
+
+            PopulateModel(JsonConvert.DeserializeObject<EmployeeByState>(values), employee);
+
+
+            if (!TryValidateModel(employee))
+                return BadRequest("Failed to update item");
+
+
+            return Ok();
+        }
+
+        [HttpDelete]
+        public void Delete(int key)
+        {
+            var employee = SampleData.DataGridEmployeesByState.First(a => a.ID == key);
+            SampleData.DataGridEmployeesByState.Remove(employee);
+        }
+
+        private void PopulateModel(EmployeeByState values, EmployeeByState currEmployee)
+        {
+            if (!(values.StateID is null))
+                currEmployee.StateID = values.StateID;
+
+            if (!(values.CityID is null))
+                currEmployee.CityID = values.CityID;
+        }
+    }
+}

ASP.NET Core/DevExtremeAspNetCoreApp1/Controllers/orig_DataGridStatesWithCitiesController.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using DevExtreme.AspNet.Data;
+using DevExtreme.AspNet.Mvc;
+using DevExtremeAspNetCoreApp1.Models;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+
+namespace DevExtremeAspNetCoreApp1.Controllers
+{
+    [Route("api/[controller]")]
+    [ApiController]
+    public class DataGridStatesWithCitiesController : ControllerBase
+    {
+
+        [HttpGet]
+        public object Get(DataSourceLoadOptions loadOptions)
+        {
+            return DataSourceLoader.Load(SampleData.StatesWithCities, loadOptions);
+        }
+
+    }
+}

ASP.NET Core/DevExtremeAspNetCoreApp1/Controllers/orig_HomeController.cs

@@ -0,0 +1,25 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Mvc;
+
+namespace DevExtremeAspNetCoreApp1.Controllers
+{
+    public class HomeController : Controller
+    {
+        public IActionResult Index()
+        {
+            return View();
+        }
+
+        public IActionResult About() {
+            return View();
+        }
+
+        [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
+        public IActionResult Error() {
+            return View();
+        }
+    }
+}

ASP.NET Core/DevExtremeAspNetCoreApp1/Models/orig_CityByState.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace DevExtremeAspNetCoreApp1.Models
+{
+    public class CityByState
+    {
+        public string Name { get; set; }
+        public int ID { get; set; }
+        public int StateID { get; set; }
+    }
+}

ASP.NET Core/DevExtremeAspNetCoreApp1/Models/orig_EmployeeByState.cs

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+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace DevExtremeAspNetCoreApp1.Models
+{
+    public class EmployeeByState
+    {
+        public int ID { get; set; }
+        public string FirstName { get; set; }
+        public string LastName { get; set; }
+        public string Position { get; set; }
+        public string Prefix { get; set; }
+
+        [Display(Name = "State")]
+        public List<int>  StateID { get; set; }
+
+        [Display(Name = "City")]
+        public List<int> CityID { get; set; }
+    }
+}

ASP.NET Core/DevExtremeAspNetCoreApp1/Models/orig_SampleData.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DevExtremeAspNetCoreApp1.Models {
+    static class SampleData {
+        public static List<EmployeeByState> DataGridEmployeesByState = new List<EmployeeByState> {
+            new EmployeeByState {
+                ID = 1,
+                FirstName = "John",
+                LastName = "Heart",
+                Prefix = "Mr.",
+                Position = "CTO",
+                StateID = new List<int> {1 },
+                CityID = new List<int> {1 }
+            }
+        };
+
+        public static readonly List<State> StatesWithCities = new List<State> {
+            new State {
+                ID = 1,
+                Name = "Alabama"
+            },
+            new State {
+                ID = 2,
+                Name = "Alaska"
+            },
+            new State {
+                ID = 3,
+                Name = "Arizona"
+            },
+            new State {
+                ID = 4,
+                Name = "Arkansas"
+            },
+            new State {
+                ID = 5,
+                Name = "California"
+            }
+        };
+
+        public static List<CityByState> CitiesByState = new List<CityByState> {
+            new CityByState {
+                ID = 1,
+                Name = "Tuscaloosa",
+                StateID = 1
+            },
+            new CityByState {
+                ID = 2,
+                Name = "Hoover",
+                StateID = 1
+            },
+            new CityByState {
+                ID = 3,
+                Name = "Dothan",
+                StateID = 1
+            },
+            new CityByState {
+                ID = 4,
+                Name = "Decatur",
+                StateID = 1
+            },
+            new CityByState {
+                ID = 5,
+                Name = "Anchorage",
+                StateID = 2
+            },
+            new CityByState {
+                ID = 6,
+                Name = "Fairbanks",
+                StateID = 2
+            },
+            new CityByState {
+                ID = 7,
+                Name = "Juneau",
+                StateID = 2
+            },
+            new CityByState {
+                ID = 8,
+                Name = "Avondale",
+                StateID = 3
+            },
+            new CityByState {
+                ID = 9,
+                Name = "Buckeye",
+                StateID = 3
+            },
+            new CityByState {
+                ID = 10,
+                Name = "Carefree",
+                StateID = 3
+            },
+            new CityByState {
+                ID = 11,
+                Name = "Springdale",
+                StateID = 4
+            },
+            new CityByState {
+                ID = 12,
+                Name = "Rogers",
+                StateID = 4
+            },
+            new CityByState {
+                ID = 13,
+                Name = "Sherwood",
+                StateID = 4
+            },
+            new CityByState {
+                ID = 14,
+                Name = "Jacksonville",
+                StateID = 4
+            },
+            new CityByState {
+                ID = 15,
+                Name = "Cabot",
+                StateID = 4
+            },
+            new CityByState {
+                ID = 16,
+                Name = "Adelanto",
+                StateID = 5
+            },
+            new CityByState {
+                ID = 17,
+                Name = "Glendale",
+                StateID = 5
+            },
+            new CityByState {
+                ID = 18,
+                Name = "Moorpark",
+                StateID = 5
+            },
+            new CityByState {
+                ID = 19,
+                Name = "Needles",
+                StateID = 5
+            },
+            new CityByState {
+                ID = 20,
+                Name = "Ontario",
+                StateID = 5
+            }
+        };
+    }
+}

ASP.NET Core/DevExtremeAspNetCoreApp1/Models/orig_SampleOrder.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DevExtremeAspNetCoreApp1.Models {
+    public class SampleOrder {
+        public int OrderID { get; set; }
+        public DateTime OrderDate { get; set; }
+        public string CustomerID { get; set; }
+        public string CustomerName { get; set; }
+        public string ShipCountry { get; set; }
+        public string ShipCity { get; set; }
+    }
+}

ASP.NET Core/DevExtremeAspNetCoreApp1/Models/orig_State.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace DevExtremeAspNetCoreApp1.Models
+{
+    public class State
+    {
+        public int ID { get; set; }
+        public string Name { get; set; }
+    }
+}