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Data Grid

Remote Grouping


The DataGrid widget allows your end users to shape data as needs dictate. In this example, we demonstrate the use of the built-in data grouping feature against a remote data source. Data is provided by an OData service and grid content is grouped by both Status and Priority columns. Note that this demo uses the DataGrid in a virtual mode and loads data on-demand as the grid content is scrolled vertically.

@using System.Collections.Generic; @(Html.DevExtreme().DataGrid() .ID("gridContainer") .ShowBorders(true) .DataSource(d => d.OData() .Url("") .Key("Task_ID") .Expand("ResponsibleEmployee") ) .DataSourceOptions(d => d.Select(new string[] { "Task_ID", "Task_Subject", "Task_Start_Date", "Task_Due_Date", "Task_Status", "Task_Priority", "ResponsibleEmployee/Employee_Full_Name" }) ) .Scrolling(scrolling => scrolling.Mode(GridScrollingMode.Virtual)) .GroupPanel(groupPanel => groupPanel.Visible(true)) .Columns(columns => { columns.Add() .DataField("Task_ID") .Width(90); columns.Add() .Caption("Subject") .DataField("Task_Subject") .Width(190); columns.Add() .Caption("Status") .DataField("Task_Status") .GroupIndex(0); columns.Add() .Caption("Priority") .DataField("Task_Priority") .GroupIndex(1) .Lookup(lookup => { lookup.DataSource(new List<object> { new { Name = "High", Value = 4 }, new { Name = "Urgent", Value = 3 }, new { Name = "Normal", Value = 2 }, new { Name = "Low", Value = 1 } }); lookup.ValueExpr("Value"); lookup.DisplayExpr("Name"); }); columns.Add() .Caption("Assigned To") .DataField("ResponsibleEmployee.Employee_Full_Name") .AllowGrouping(false) .AllowSorting(false); columns.Add() .Caption("Start Date") .DataField("Task_Start_Date") .DataType(GridColumnDataType.Date); columns.Add() .Caption("Due Date") .DataField("Task_Due_Date") .DataType(GridColumnDataType.Date); }) )
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 RemoteGrouping() { return View(); } } }
#gridContainer { height: 420px; }