CustomAdaptor Sample added

CustomAdaptor_EJ2Core/CustomAdaptor_EJ2Core.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.12.35506.116 d17.12
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ODataV4Adaptor_EJ2Core", "ODataV4Adaptor_EJ2Core\ODataV4Adaptor_EJ2Core.csproj", "{82EEFE13-9E81-4CF6-8192-9B8240D0BE01}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{82EEFE13-9E81-4CF6-8192-9B8240D0BE01}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{82EEFE13-9E81-4CF6-8192-9B8240D0BE01}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{82EEFE13-9E81-4CF6-8192-9B8240D0BE01}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{82EEFE13-9E81-4CF6-8192-9B8240D0BE01}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal

CustomAdaptor_EJ2Core/CustomAdaptor_EJ2Core/Controllers/HomeController.cs

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+using Microsoft.AspNetCore.Mvc;
+using CustomAdaptor_EJ2Core.Models;
+
+namespace CustomAdaptor_EJ2Core.Controllers
+{
+    public class HomeController : Controller
+    {
+        public IActionResult Index()
+        {
+            ViewBag.dataSource = OrdersDetails.GetAllRecords();
+            return View();
+        }
+    }
+}

CustomAdaptor_EJ2Core/CustomAdaptor_EJ2Core/Controllers/OrdersController.cs

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+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.OData.Query;
+using CustomAdaptor_EJ2Core.Models;
+
+namespace CustomAdaptor_EJ2Core.Controllers
+{
+    [Route("[controller]")]
+    [ApiController]
+    public class OrdersController : ControllerBase
+    {
+        /// <summary>
+        /// Retrieves all orders.
+        /// </summary>
+        /// <returns>The collection of orders.</returns>
+        [HttpGet]
+        [EnableQuery]
+        public IActionResult Get()
+        {
+            var data = OrdersDetails.GetAllRecords().AsQueryable();
+            return Ok(data);
+        }
+
+        /// <summary>
+        /// Inserts a new order to the collection.
+        /// </summary>
+        /// <param name="addRecord">The order to be inserted.</param>
+        /// <returns>It returns the newly inserted record detail.</returns>
+        [HttpPost]
+        [EnableQuery]
+        public IActionResult Post([FromBody] OrdersDetails addRecord)
+        {
+            if (addRecord == null)
+            {
+                return BadRequest("Null order");
+            }
+            OrdersDetails.GetAllRecords().Insert(0, addRecord);
+            return Ok(addRecord);
+        }
+
+        /// <summary>
+        /// Updates an existing order.
+        /// </summary>
+        /// <param name="key">The ID of the order to update.</param>
+        /// <param name="updateRecord">The updated order details.</param>
+        /// <returns>It returns the updated order details.</returns>
+        [HttpPatch("{key}")]
+        public IActionResult Patch(int key, [FromBody] OrdersDetails updateRecord)
+        {
+            if (updateRecord == null)
+            {
+                return BadRequest("No records to update.");
+            }
+
+            var existingOrder = OrdersDetails.GetAllRecords().FirstOrDefault(order => order.OrderID == key);
+            if (existingOrder == null)
+            {
+                return NotFound($"Order with ID {key} not found.");
+            }
+
+            // Update fields only if they are provided
+            existingOrder.CustomerID = updateRecord.CustomerID ?? existingOrder.CustomerID;
+            existingOrder.EmployeeID = updateRecord.EmployeeID ?? existingOrder.EmployeeID;
+            existingOrder.ShipCountry = updateRecord.ShipCountry ?? existingOrder.ShipCountry;
+
+            // Return the updated record
+            return Ok(existingOrder);
+        }
+
+        /// <summary>
+        /// Deletes an order.
+        /// </summary>
+        /// <param name="key">The ID of the order to delete.</param>
+        /// <returns>It returns the deleted record detail</returns>
+        [HttpDelete("{key}")]
+        public IActionResult Delete(int key)
+        {
+            var deleteRecord = OrdersDetails.GetAllRecords().FirstOrDefault(order => order.OrderID == key);
+            if (deleteRecord != null)
+            {
+                OrdersDetails.GetAllRecords().Remove(deleteRecord);
+            }
+            return Ok(deleteRecord);
+        }
+    }
+}

CustomAdaptor_EJ2Core/CustomAdaptor_EJ2Core/CustomAdaptor_EJ2Core.csproj

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+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.OData" Version="9.1.3" />
+    <PackageReference Include="Syncfusion.EJ2.AspNet.Core" Version="28.1.39" />
+  </ItemGroup>
+
+</Project>

CustomAdaptor_EJ2Core/CustomAdaptor_EJ2Core/CustomAdaptor_EJ2Core.csproj.user

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+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="Current" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <ActiveDebugProfile>https</ActiveDebugProfile>
+    <Controller_SelectedScaffolderID>MvcControllerEmptyScaffolder</Controller_SelectedScaffolderID>
+    <Controller_SelectedScaffolderCategoryPath>root/Common/MVC/Controller</Controller_SelectedScaffolderCategoryPath>
+  </PropertyGroup>
+</Project>

CustomAdaptor_EJ2Core/CustomAdaptor_EJ2Core/Models/OrdersDetails.cs

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+using System.ComponentModel.DataAnnotations;
+
+namespace CustomAdaptor_EJ2Core.Models
+{
+    public class OrdersDetails
+    {
+        public static List<OrdersDetails> order = new List<OrdersDetails>();
+        public OrdersDetails()
+        {
+
+        }
+        public OrdersDetails(
+        int OrderID, string CustomerId, int EmployeeId, string ShipCountry)
+        {
+            this.OrderID = OrderID;
+            this.CustomerID = CustomerId;
+            this.EmployeeID = EmployeeId;
+            this.ShipCountry = ShipCountry;
+        }
+
+        public static List<OrdersDetails> GetAllRecords()
+        {
+            if (order.Count() == 0)
+            {
+                int code = 10000;
+                for (int i = 1; i < 10; i++)
+                {
+                    order.Add(new OrdersDetails(code + 1, "ALFKI", i + 0, "Denmark"));
+                    order.Add(new OrdersDetails(code + 2, "ANATR", i + 2, "Brazil"));
+                    order.Add(new OrdersDetails(code + 3, "ANTON", i + 1, "Germany"));
+                    order.Add(new OrdersDetails(code + 4, "BLONP", i + 3, "Austria"));
+                    order.Add(new OrdersDetails(code + 5, "BOLID", i + 4, "Switzerland"));
+                    code += 5;
+                }
+            }
+            return order;
+        }
+        [Key]
+        public int? OrderID { get; set; }
+        public string? CustomerID { get; set; }
+        public int? EmployeeID { get; set; }
+        public string? ShipCountry { get; set; }
+    }
+}

CustomAdaptor_EJ2Core/CustomAdaptor_EJ2Core/Pages/Error.cshtml

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+@page
+@model ErrorModel
+@{
+    ViewData["Title"] = "Error";
+}
+
+<h1 class="text-danger">Error.</h1>
+<h2 class="text-danger">An error occurred while processing your request.</h2>
+
+@if (Model.ShowRequestId)
+{
+    <p>
+        <strong>Request ID:</strong> <code>@Model.RequestId</code>
+    </p>
+}
+
+<h3>Development Mode</h3>
+<p>
+    Swapping to the <strong>Development</strong> environment displays detailed information about the error that occurred.
+</p>
+<p>
+    <strong>The Development environment shouldn't be enabled for deployed applications.</strong>
+    It can result in displaying sensitive information from exceptions to end users.
+    For local debugging, enable the <strong>Development</strong> environment by setting the <strong>ASPNETCORE_ENVIRONMENT</strong> environment variable to <strong>Development</strong>
+    and restarting the app.
+</p>

CustomAdaptor_EJ2Core/CustomAdaptor_EJ2Core/Pages/Error.cshtml.cs

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+using System.Diagnostics;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+
+namespace CustomAdaptor_EJ2Core.Pages
+{
+    [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
+    [IgnoreAntiforgeryToken]
+    public class ErrorModel : PageModel
+    {
+        public string? RequestId { get; set; }
+
+        public bool ShowRequestId => !string.IsNullOrEmpty(RequestId);
+
+        private readonly ILogger<ErrorModel> _logger;
+
+        public ErrorModel(ILogger<ErrorModel> logger)
+        {
+            _logger = logger;
+        }
+
+        public void OnGet()
+        {
+            RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier;
+        }
+    }
+
+}

CustomAdaptor_EJ2Core/CustomAdaptor_EJ2Core/Pages/Index.cshtml

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+@page
+@model IndexModel
+@{
+    ViewData["Title"] = "Home page";
+}
+
+<div>
+    <ejs-grid id="Grid" height="315" toolbar="@(new List<string>() { "Add", "Edit", "Delete", "Update", "Cancel", "Search"})" allowPaging="true" allowSorting="true" allowFiltering="true">
+        <e-grid-editSettings allowAdding="true" allowDeleting="true" allowEditing="true" mode="Normal"></e-grid-editSettings>
+        <e-grid-columns>
+            <e-grid-column field="OrderID" headerText="Order ID" width="120" textAlign="Right" isPrimaryKey="true"></e-grid-column>
+            <e-grid-column field="CustomerID" headerText="Customer ID" width="150"></e-grid-column>
+            <e-grid-column field="EmployeeID" headerText="Employee ID" width="150"></e-grid-column>
+            <e-grid-column field="ShipCountry" headerText="Ship Country" width="150"></e-grid-column>
+        </e-grid-columns>
+    </ejs-grid>
+</div>
+
+<script>
+    class CustomAdaptor extends ej.data.ODataV4Adaptor {
+    beforeSend(dm, request, settings) {
+        if (request){
+            request.setRequestHeader("Authorization", "true");
+        }
+        return super.beforeSend(dm, request, settings);
+    }
+        processResponse(data, ds, query, xhr, request, changes) {
+            let i = 0;
+            const original = super.processResponse(data, ds, query, xhr, request, changes);
+            // Adding serial number to each row.
+            if (original.result) {
+                original.result.forEach((item) => ej.base.setValue('SNo', ++i, item));
+            }
+            return original;
+        }
+        processQuery(dm, query) {
+            dm.dataSource.url = 'https://localhost:xxxx/odata/orders'; // Update with your API endpoint.
+            query.addParams('Syncfusion in ASP.NET Core Grid', 'true'); // Add additional parameters.
+            return super.processQuery.apply(this, arguments);
+        }
+    }
+
+    document.addEventListener("DOMContentLoaded", function () {
+        let grid = document.getElementById("Grid").ej2_instances[0];
+        if (grid) {
+            let dataManager = new ej.data.DataManager({
+                url: "https://localhost:xxxx/odata/Orders",
+                adaptor: new CustomAdaptor(),
+            });
+            grid.dataSource = dataManager;
+        }
+    });
+
+</script>

CustomAdaptor_EJ2Core/CustomAdaptor_EJ2Core/Pages/Index.cshtml.cs

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+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+
+namespace CustomAdaptor_EJ2Core.Pages
+{
+    public class IndexModel : PageModel
+    {
+        private readonly ILogger<IndexModel> _logger;
+
+        public IndexModel(ILogger<IndexModel> logger)
+        {
+            _logger = logger;
+        }
+
+        public void OnGet()
+        {
+
+        }
+    }
+}

CustomAdaptor_EJ2Core/CustomAdaptor_EJ2Core/Pages/Privacy.cshtml

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+@page
+@model PrivacyModel
+@{
+    ViewData["Title"] = "Privacy Policy";
+}
+<h1>@ViewData["Title"]</h1>
+
+<p>Use this page to detail your site's privacy policy.</p>

CustomAdaptor_EJ2Core/CustomAdaptor_EJ2Core/Pages/Privacy.cshtml.cs

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+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+
+namespace CustomAdaptor_EJ2Core.Pages
+{
+    public class PrivacyModel : PageModel
+    {
+        private readonly ILogger<PrivacyModel> _logger;
+
+        public PrivacyModel(ILogger<PrivacyModel> logger)
+        {
+            _logger = logger;
+        }
+
+        public void OnGet()
+        {
+        }
+    }
+
+}