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Data Grid - Recalculate While Editing

In this demo, the DataGrid recalculates summaries when you edit data. To enable this feature, the recalculateWhileEditing property is set to true. You can add, delete, or update rows to change the summaries.

Backend API
@using DevExtreme.NETCore.Demos.Models @model IEnumerable<Order> @(Html.DevExtreme().DataGrid<Order>() .ID("gridContainer") .DataSource(Model, "ID") .RepaintChangesOnly(true) .Pager(p => p.Visible(true)) .ShowBorders(true) .Editing(e => e .Mode(GridEditMode.Batch) .AllowAdding(true) .AllowUpdating(true) .AllowDeleting(true) ) .Columns(columns => { columns.AddFor(m => m.OrderNumber) .Width(130); columns.AddFor(m => m.OrderDate); columns.AddFor(m => m.Employee); columns.AddFor(m => m.CustomerStoreCity); columns.AddFor(m => m.CustomerStoreState); columns.AddFor(m => m.SaleAmount) .Width(160) .Alignment(HorizontalAlignment.Right) .Format(Format.Currency) .EditorOptions(new { format = "currency" }); }) .Summary(s => s .RecalculateWhileEditing(true) .TotalItems(items => { items.AddFor(m => m.OrderNumber) .SummaryType(SummaryType.Count); items.AddFor(m => m.SaleAmount) .SummaryType(SummaryType.Sum) .ValueFormat(Format.Currency); }) ) )
using DevExtreme.NETCore.Demos.Models; using DevExtreme.NETCore.Demos.Models.DataGrid; using DevExtreme.NETCore.Demos.Models.SampleData; using Microsoft.AspNetCore.Mvc; using System.Linq; namespace DevExtreme.NETCore.Demos.Controllers { public class DataGridController : Controller { public ActionResult RecalculateWhileEditing() { return View(SampleData.Orders.Where(o => o.ID != 14).ToList()); } } }
using System; using System.ComponentModel.DataAnnotations; namespace DevExtreme.NETCore.Demos.Models { public class Order { public int ID { get; set; } [Display(Name = "Invoice Number")] public int OrderNumber { get; set; } public DateTime OrderDate { get; set; } public int SaleAmount { get; set; } public string Terms { get; set; } public int TotalAmount { get; set; } [Display(Name = "State")] public string CustomerStoreState { get; set; } [Display(Name = "City")] public string CustomerStoreCity { get; set; } public string Employee { get; set; } } }
using System; using System.Collections.Generic; namespace DevExtreme.NETCore.Demos.Models.SampleData { public partial class SampleData { public static readonly IEnumerable<Order> Orders = new[] { new Order { ID = 1, OrderNumber = 35703, OrderDate = DateTime.Parse("2014/04/10"), SaleAmount = 11800, Terms = "15 Days", TotalAmount = 12175, CustomerStoreState = "California", CustomerStoreCity = "Los Angeles", Employee = "Harv Mudd" }, new Order { ID = 4, OrderNumber = 35711, OrderDate = DateTime.Parse("2014/01/12"), SaleAmount = 16050, Terms = "15 Days", TotalAmount = 16550, CustomerStoreState = "California", CustomerStoreCity = "San Jose", Employee = "Jim Packard" }, new Order { ID = 5, OrderNumber = 35714, OrderDate = DateTime.Parse("2014/01/22"), SaleAmount = 14750, Terms = "15 Days", TotalAmount = 15250, CustomerStoreState = "Nevada", CustomerStoreCity = "Las Vegas", Employee = "Harv Mudd" }, new Order { ID = 7, OrderNumber = 35983, OrderDate = DateTime.Parse("2014/02/07"), SaleAmount = 3725, Terms = "15 Days", TotalAmount = 3850, CustomerStoreState = "Colorado", CustomerStoreCity = "Denver", Employee = "Todd Hoffman" }, new Order { ID = 9, OrderNumber = 36987, OrderDate = DateTime.Parse("2014/03/11"), SaleAmount = 14200, Terms = "15 Days", TotalAmount = 14800, CustomerStoreState = "Utah", CustomerStoreCity = "Salt Lake City", Employee = "Clark Morgan" }, new Order { ID = 11, OrderNumber = 38466, OrderDate = DateTime.Parse("2014/03/01"), SaleAmount = 7800, Terms = "15 Days", TotalAmount = 8200, CustomerStoreState = "California", CustomerStoreCity = "Los Angeles", Employee = "Harv Mudd" }, new Order { ID = 14, OrderNumber = 39420, OrderDate = DateTime.Parse("2014/02/15"), SaleAmount = 20500, Terms = "15 Days", TotalAmount = 9100, CustomerStoreState = "California", CustomerStoreCity = "San Jose", Employee = "Jim Packard" }, new Order { ID = 15, OrderNumber = 39874, OrderDate = DateTime.Parse("2014/02/04"), SaleAmount = 9050, Terms = "30 Days", TotalAmount = 19100, CustomerStoreState = "Nevada", CustomerStoreCity = "Las Vegas", Employee = "Harv Mudd" }, new Order { ID = 18, OrderNumber = 42847, OrderDate = DateTime.Parse("2014/02/15"), SaleAmount = 20400, Terms = "30 Days", TotalAmount = 20800, CustomerStoreState = "Wyoming", CustomerStoreCity = "Casper", Employee = "Todd Hoffman" }, new Order { ID = 19, OrderNumber = 43982, OrderDate = DateTime.Parse("2014/05/29"), SaleAmount = 6050, Terms = "30 Days", TotalAmount = 6250, CustomerStoreState = "Utah", CustomerStoreCity = "Salt Lake City", Employee = "Clark Morgan" }, new Order { ID = 29, OrderNumber = 56272, OrderDate = DateTime.Parse("2014/02/06"), SaleAmount = 15850, Terms = "30 Days", TotalAmount = 16350, CustomerStoreState = "Utah", CustomerStoreCity = "Salt Lake City", Employee = "Clark Morgan" }, new Order { ID = 30, OrderNumber = 57429, OrderDate = DateTime.Parse("2013/12/31"), SaleAmount = 11050, Terms = "30 Days", TotalAmount = 11400, CustomerStoreState = "Arizona", CustomerStoreCity = "Phoenix", Employee = "Clark Morgan" }, new Order { ID = 32, OrderNumber = 58292, OrderDate = DateTime.Parse("2014/05/13"), SaleAmount = 13500, Terms = "15 Days", TotalAmount = 13800, CustomerStoreState = "California", CustomerStoreCity = "Los Angeles", Employee = "Harv Mudd" }, new Order { ID = 36, OrderNumber = 62427, OrderDate = DateTime.Parse("2014/01/27"), SaleAmount = 23500, Terms = "15 Days", TotalAmount = 24000, CustomerStoreState = "Nevada", CustomerStoreCity = "Las Vegas", Employee = "Harv Mudd" }, new Order { ID = 39, OrderNumber = 65977, OrderDate = DateTime.Parse("2014/02/05"), SaleAmount = 2550, Terms = "15 Days", TotalAmount = 2625, CustomerStoreState = "Wyoming", CustomerStoreCity = "Casper", Employee = "Todd Hoffman" }, new Order { ID = 40, OrderNumber = 66947, OrderDate = DateTime.Parse("2014/03/23"), SaleAmount = 3500, Terms = "15 Days", TotalAmount = 3600, CustomerStoreState = "Utah", CustomerStoreCity = "Salt Lake City", Employee = "Clark Morgan" }, new Order { ID = 42, OrderNumber = 68428, OrderDate = DateTime.Parse("2014/04/10"), SaleAmount = 10500, Terms = "15 Days", TotalAmount = 10900, CustomerStoreState = "California", CustomerStoreCity = "Los Angeles", Employee = "Harv Mudd" }, new Order { ID = 43, OrderNumber = 69477, OrderDate = DateTime.Parse("2014/03/09"), SaleAmount = 14200, Terms = "15 Days", TotalAmount = 14500, CustomerStoreState = "California", CustomerStoreCity = "Anaheim", Employee = "Harv Mudd" }, new Order { ID = 46, OrderNumber = 72947, OrderDate = DateTime.Parse("2014/01/14"), SaleAmount = 13350, Terms = "30 Days", TotalAmount = 13650, CustomerStoreState = "Nevada", CustomerStoreCity = "Las Vegas", Employee = "Harv Mudd" }, new Order { ID = 47, OrderNumber = 73088, OrderDate = DateTime.Parse("2014/03/25"), SaleAmount = 8600, Terms = "30 Days", TotalAmount = 8850, CustomerStoreState = "Nevada", CustomerStoreCity = "Reno", Employee = "Clark Morgan" }, new Order { ID = 50, OrderNumber = 76927, OrderDate = DateTime.Parse("2014/04/27"), SaleAmount = 9800, Terms = "30 Days", TotalAmount = 10050, CustomerStoreState = "Utah", CustomerStoreCity = "Salt Lake City", Employee = "Clark Morgan" }, new Order { ID = 51, OrderNumber = 77297, OrderDate = DateTime.Parse("2014/04/30"), SaleAmount = 10850, Terms = "30 Days", TotalAmount = 11100, CustomerStoreState = "Arizona", CustomerStoreCity = "Phoenix", Employee = "Clark Morgan" }, new Order { ID = 56, OrderNumber = 84744, OrderDate = DateTime.Parse("2014/02/10"), SaleAmount = 4650, Terms = "30 Days", TotalAmount = 4750, CustomerStoreState = "Nevada", CustomerStoreCity = "Las Vegas", Employee = "Harv Mudd" }, new Order { ID = 57, OrderNumber = 85028, OrderDate = DateTime.Parse("2014/05/17"), SaleAmount = 2575, Terms = "30 Days", TotalAmount = 2625, CustomerStoreState = "Nevada", CustomerStoreCity = "Reno", Employee = "Clark Morgan" }, new Order { ID = 59, OrderNumber = 87297, OrderDate = DateTime.Parse("2014/04/21"), SaleAmount = 14200, Terms = "30 Days", CustomerStoreState = "Wyoming", CustomerStoreCity = "Casper", Employee = "Todd Hoffman" }, new Order { ID = 60, OrderNumber = 88027, OrderDate = DateTime.Parse("2014/02/14"), SaleAmount = 13650, Terms = "30 Days", TotalAmount = 14050, CustomerStoreState = "Utah", CustomerStoreCity = "Salt Lake City", Employee = "Clark Morgan" }, new Order { ID = 65, OrderNumber = 94726, OrderDate = DateTime.Parse("2014/05/22"), SaleAmount = 20500, Terms = "15 Days", TotalAmount = 20800, CustomerStoreState = "California", CustomerStoreCity = "San Jose", Employee = "Jim Packard" }, new Order { ID = 66, OrderNumber = 95266, OrderDate = DateTime.Parse("2014/03/10"), SaleAmount = 9050, Terms = "15 Days", TotalAmount = 9250, CustomerStoreState = "Nevada", CustomerStoreCity = "Las Vegas", Employee = "Harv Mudd" }, new Order { ID = 69, OrderNumber = 98477, OrderDate = DateTime.Parse("2014/01/01"), SaleAmount = 23500, Terms = "15 Days", TotalAmount = 23800, CustomerStoreState = "Wyoming", CustomerStoreCity = "Casper", Employee = "Todd Hoffman" }, new Order { ID = 70, OrderNumber = 99247, OrderDate = DateTime.Parse("2014/02/08"), SaleAmount = 2100, Terms = "15 Days", TotalAmount = 2150, CustomerStoreState = "Utah", CustomerStoreCity = "Salt Lake City", Employee = "Clark Morgan" }, new Order { ID = 78, OrderNumber = 174884, OrderDate = DateTime.Parse("2014/04/10"), SaleAmount = 7200, Terms = "30 Days", TotalAmount = 7350, CustomerStoreState = "Colorado", CustomerStoreCity = "Denver", Employee = "Todd Hoffman" }, new Order { ID = 81, OrderNumber = 188877, OrderDate = DateTime.Parse("2014/02/11"), SaleAmount = 8750, Terms = "30 Days", TotalAmount = 8900, CustomerStoreState = "Arizona", CustomerStoreCity = "Phoenix", Employee = "Clark Morgan" }, new Order { ID = 82, OrderNumber = 191883, OrderDate = DateTime.Parse("2014/02/05"), SaleAmount = 9900, Terms = "30 Days", TotalAmount = 10150, CustomerStoreState = "California", CustomerStoreCity = "Los Angeles", Employee = "Harv Mudd" }, new Order { ID = 83, OrderNumber = 192474, OrderDate = DateTime.Parse("2014/01/21"), SaleAmount = 12800, Terms = "30 Days", TotalAmount = 13100, CustomerStoreState = "California", CustomerStoreCity = "Anaheim", Employee = "Harv Mudd" }, new Order { ID = 84, OrderNumber = 193847, OrderDate = DateTime.Parse("2014/03/21"), SaleAmount = 14100, Terms = "30 Days", TotalAmount = 14350, CustomerStoreState = "California", CustomerStoreCity = "San Diego", Employee = "Harv Mudd" }, new Order { ID = 85, OrderNumber = 194877, OrderDate = DateTime.Parse("2014/03/06"), SaleAmount = 4750, Terms = "30 Days", TotalAmount = 4950, CustomerStoreState = "California", CustomerStoreCity = "San Jose", Employee = "Jim Packard" }, new Order { ID = 86, OrderNumber = 195746, OrderDate = DateTime.Parse("2014/05/26"), SaleAmount = 9050, Terms = "30 Days", TotalAmount = 9250, CustomerStoreState = "Nevada", CustomerStoreCity = "Las Vegas", Employee = "Harv Mudd" }, new Order { ID = 87, OrderNumber = 197474, OrderDate = DateTime.Parse("2014/03/02"), SaleAmount = 6400, Terms = "30 Days", TotalAmount = 6600, CustomerStoreState = "Nevada", CustomerStoreCity = "Reno", Employee = "Clark Morgan" }, new Order { ID = 88, OrderNumber = 198746, OrderDate = DateTime.Parse("2014/05/09"), SaleAmount = 15700, Terms = "30 Days", TotalAmount = 16050, CustomerStoreState = "Colorado", CustomerStoreCity = "Denver", Employee = "Todd Hoffman" }, new Order { ID = 91, OrderNumber = 214222, OrderDate = DateTime.Parse("2014/02/08"), SaleAmount = 11050, Terms = "30 Days", TotalAmount = 11250, CustomerStoreState = "Arizona", CustomerStoreCity = "Phoenix", Employee = "Clark Morgan" } }; } }
#gridContainer { height: 440px; }