steps for adding dropdown in view page using asp.net core 2022

Question

Adding dropdown and grid view functionality using asp.net core 2022

Jithu Thomas · Answer

Here is an example: - Create a Model: // Item.cs public class Item { public int Id { get; set; } public string Name { get; set; } public string Category { get; set; } } Create a Controller: // ItemsController.cs using Microsoft.AspNetCore.Mvc; using System.Collections.Generic; public class ItemsController : Controller { public IActionResult Index() { // Assume you have a list of items from a database or other source List items = GetItemsFromDatabase(); // For the dropdown, get distinct categories from the items List categories = items.Select(i => i.Category).Distinct().ToList(); ViewBag.Categories = categories; return View(items); } private List GetItemsFromDatabase() { // Logic to retrieve items from a database // For simplicity, creating a static list here return new List { new Item { Id = 1, Name = "Item 1", Category = "Category A" }, new Item { Id = 2, Name = "Item 2", Category = "Category B" }, new Item { Id = 3, Name = "Item 3", Category = "Category A" }, // Add more items as needed }; } } Create a View: @model List Items Filter by Category: All @foreach (var category in ViewBag.Categories) { @category } ID Name Category @foreach (var item in Model) { @item.Id @item.Name @item.Category } function filterItems() { var category = document.getElementById('categoryDropdown').value; var rows = document.getElementById('itemsTable').getElementsByTagName('tbody')[0].getElementsByTagName('tr'); for (var i = 0; i

steps for adding dropdown in view page using asp.net core 2022

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