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Group Summaries

To configure group summaries, populate the summary.groupItems array with summary configuration objects. Each object should specify a column that supplies data for summary calculation and a summaryType—an aggregate function that should be applied to this data.

Position a Group Summary

Group summaries are displayed in parentheses after the group caption. You can reposition them as follows:

  • Display a summary in a column
    You can align a summary to its corresponding column (see the Sale Amount and Total Amount columns). To do this, enable the alignByColumn property. If you want to align a summary to a different column, specify the showInColumn property.

  • Display Summary Values within Group Footers
    You can make a summary item display its values within group footers. To do this, enable the showInGroupFooter property. Summary items will appear within their corresponding columns (see the Total Amount column). If you want to display summaries in another column, specify the showInColumn property.

Format Summary Values

To format summary values, use the valueFormat property. This demo applies the "currency" format to summary values calculated against the Total Amount and Sale Amount columns. If you also want to add custom text to summary values, use the displayFormat property. This demo sets this property for summaries of "sum" and "count" types.

Sort Groups by Summary Values

This demo sorts groups by summary values (the number of orders). To do this, the code adds an object to the sortByGroupSummaryInfo array. The object specifies the summaryItem whose values are used to sort the group rows.

@(Html.DevExtreme().DataGrid<DevExtreme.NETCore.Demos.Models.Order>() .ID("gridContainer") .ShowBorders(true) .DataSource(d => d.Mvc().Controller("DataGridSummaries").LoadAction("Get").Key("ID")) .Selection(s => s.Mode(SelectionMode.Single)) .Columns(columns => { columns.AddFor(m => m.OrderNumber) .Width(130); columns.AddFor(m => m.OrderDate) .Width(160); columns.AddFor(m => m.Employee) .GroupIndex(0); columns.AddFor(m => m.CustomerStoreCity); columns.AddFor(m => m.CustomerStoreState); columns.AddFor(m => m.SaleAmount) .Alignment(HorizontalAlignment.Right) .Format(Format.Currency); columns.AddFor(m => m.TotalAmount) .Alignment(HorizontalAlignment.Right) .Format(Format.Currency); }) .SortByGroupSummaryInfo(i => i.Add().SummaryItem("count")) .Summary(s => s.GroupItems(items => { items.AddFor(m => m.OrderNumber) .SummaryType(SummaryType.Count) .DisplayFormat("{0} orders"); items.AddFor(m => m.SaleAmount) .SummaryType(SummaryType.Max) .ValueFormat(Format.Currency) .ShowInGroupFooter(false) .AlignByColumn(true); items.AddFor(m => m.TotalAmount) .SummaryType(SummaryType.Max) .ValueFormat(Format.Currency) .ShowInGroupFooter(false) .AlignByColumn(true); items.AddFor(m => m.TotalAmount) .SummaryType(SummaryType.Sum) .ValueFormat(Format.Currency) .ShowInGroupFooter(true) .DisplayFormat("Total: {0}"); }) ) )
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 GroupSummaries() { return View(); } } }
using DevExtreme.AspNet.Data; using DevExtreme.AspNet.Mvc; using DevExtreme.NETCore.Demos.Models.SampleData; using Microsoft.AspNetCore.Mvc; using System; using System.Linq; namespace DevExtreme.NETCore.Demos.Controllers.ApiControllers { [Route("api/[controller]")] public class DataGridSummariesController : Controller { [HttpGet] public object Get(DataSourceLoadOptions loadOptions) { return DataSourceLoader.Load(SampleData.Orders.Where(o => o.ID != 14), loadOptions); } } }
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; }