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Backend API
@(Html.DevExtreme().DataGrid<DevExtreme.NETCore.Demos.Models.RowReorderingTask>()
.ID("gridContainer")
.DataSource(d => d.Mvc()
.Controller("DataGridRowReordering")
.LoadAction("Tasks")
.UpdateAction("UpdateTask")
.Key("ID"))
.ShowBorders(true)
.Height(440)
.Sorting(sorting => sorting.Mode(GridSortingMode.None))
.Scrolling(scrolling => scrolling.Mode(GridScrollingMode.Virtual))
.RowDragging(rd => rd
.AllowReordering(true)
.DropFeedbackMode(DropFeedbackMode.Push)
.OnReorder("onReorder")
)
.Columns(columns => {
columns.AddFor(m => m.ID)
.Width(55);
columns.AddFor(m => m.Owner)
.Width(150)
.Lookup(lookup => lookup
.DataSource(d => d.Mvc().Controller("DataGridRowReordering").LoadAction("Employees").Key("ID"))
.ValueExpr("ID")
.DisplayExpr("FullName")
);
columns.AddFor(m => m.AssignedEmployee)
.Width(150)
.Caption("Assignee")
.Lookup(lookup => lookup
.DataSource(d => d.Mvc().Controller("DataGridRowReordering").LoadAction("Employees").Key("ID"))
.ValueExpr("ID")
.DisplayExpr("FullName")
);
columns.AddFor(m => m.Subject);
})
)
<script>
function onReorder(e) {
var dataGrid = e.component,
store = dataGrid.getDataSource().store(),
visibleRows = dataGrid.getVisibleRows(),
newOrderIndex = visibleRows[e.toIndex].data.OrderIndex,
d = $.Deferred();
store.update(e.itemData.ID, { OrderIndex: newOrderIndex }).then(function() {
dataGrid.refresh().then(d.resolve, d.reject);
}, d.reject);
e.promise = d.promise();
}
</script>
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 RemoteReordering() {
return View();
}
}
}
using DevExtreme.AspNet.Data;
using DevExtreme.AspNet.Mvc;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Caching.Memory;
using Newtonsoft.Json;
using System.Linq;
using DevExtreme.NETCore.Demos.Models.SampleData;
using DevExtreme.NETCore.Demos.Models;
using DevExtreme.NETCore.Demos.Models.DataGrid;
namespace DevExtreme.NETCore.Demos.Controllers.ApiControllers {
[Route("api/[controller]/[action]")]
public class DataGridRowReorderingController : Controller {
InMemoryTasksDataContext _context;
public DataGridRowReorderingController(IHttpContextAccessor httpContextAccessor, IMemoryCache memoryCache) {
_context = new InMemoryTasksDataContext(httpContextAccessor, memoryCache);
}
[HttpGet]
public object Tasks(DataSourceLoadOptions loadOptions) {
return DataSourceLoader.Load(_context.Tasks.OrderBy(t => t.OrderIndex), loadOptions);
}
[HttpPut]
public IActionResult UpdateTask(int key, string values) {
var task = _context.Tasks.First(o => o.ID == key);
var oldOrderIndex = task.OrderIndex;
JsonConvert.PopulateObject(values, task);
var newOrderIndex = task.OrderIndex;
if(!TryValidateModel(task))
return BadRequest(ModelState.GetFullErrorMessage());
if(oldOrderIndex != newOrderIndex) {
task.OrderIndex = oldOrderIndex;
var sortedTasks = _context.Tasks.OrderBy(t => t.OrderIndex).ToList();
if(oldOrderIndex < newOrderIndex) {
for(var i = oldOrderIndex + 1; i <= newOrderIndex; i++) {
sortedTasks[i].OrderIndex--;
};
} else {
for(var i = newOrderIndex; i < oldOrderIndex; i++) {
sortedTasks[i].OrderIndex++;
};
}
task.OrderIndex = newOrderIndex;
}
_context.SaveChanges();
return Ok(task);
}
// additional actions
[HttpGet]
public object Employees(DataSourceLoadOptions loadOptions) {
return DataSourceLoader.Load(SampleData.CustomEditorsEmployees, loadOptions);
}
}
}
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.Caching.Memory;
using System;
using System.Collections.Generic;
using DevExtreme.NETCore.Demos.Models;
namespace DevExtreme.NETCore.Demos.Models.DataGrid {
public class InMemoryRowReorderingTasksDataContext : InMemoryDataContext<RowReorderingTask> {
public InMemoryRowReorderingTasksDataContext(IHttpContextAccessor contextAccessor, IMemoryCache memoryCache)
: base(contextAccessor, memoryCache) {
}
public ICollection<RowReorderingTask> Tasks => ItemsInternal;
protected override IEnumerable<RowReorderingTask> Source => SampleData.SampleData.RowReorderingTasks;
protected override int GetKey(RowReorderingTask item) => item.ID;
protected override void SetKey(RowReorderingTask item, int key) => item.ID = key;
}
}
using System.ComponentModel.DataAnnotations;
namespace DevExtreme.NETCore.Demos.Models {
public class RowReorderingTask {
public int ID { set; get; }
[Required]
public string Subject { set; get; }
[Required]
public int Status { set; get; }
[Required]
public int Owner { set; get; }
[Required]
public int AssignedEmployee { get; set; }
public int OrderIndex { get; set; }
public int Priority { get; set; }
}
}
using System;
using System.Collections.Generic;
namespace DevExtreme.NETCore.Demos.Models.SampleData {
public partial class SampleData {
public static readonly IEnumerable<RowReorderingTask> RowReorderingTasks = new[] {
new RowReorderingTask {
ID = 1,
Subject = "Prepare 2013 Financial",
Status = 5,
Owner = 1,
AssignedEmployee = 7,
OrderIndex = 0,
Priority = 3
},
new RowReorderingTask {
ID = 2,
Subject = "Prepare 2013 Marketing Plan",
Status = 5,
Owner = 1,
AssignedEmployee = 4,
OrderIndex = 1,
Priority = 4
},
new RowReorderingTask {
ID = 3,
Subject = "Update Personnel Files",
Status = 5,
Owner = 1,
AssignedEmployee = 2,
OrderIndex = 2,
Priority = 1
},
new RowReorderingTask {
ID = 4,
Subject = "Review Health Insurance Options Under the Affordable Care Act",
Status = 1,
Owner = 1,
AssignedEmployee = 2,
OrderIndex = 3,
Priority = 4
},
new RowReorderingTask {
ID = 5,
Subject = "Choose between PPO and HMO Health Plan",
Status = 4,
Owner = 2,
AssignedEmployee = 1,
OrderIndex = 4,
Priority = 3
},
new RowReorderingTask {
ID = 6,
Subject = "Google AdWords Strategy",
Status = 1,
Owner = 4,
AssignedEmployee = 1,
OrderIndex = 5,
Priority = 2
},
new RowReorderingTask {
ID = 7,
Subject = "New Brochures",
Status = 1,
Owner = 4,
AssignedEmployee = 1,
OrderIndex = 6,
Priority = 1
},
new RowReorderingTask {
ID = 8,
Subject = "2013 Brochure Designs",
Status = 1,
Owner = 1,
AssignedEmployee = 28,
OrderIndex = 7,
Priority = 1
},
new RowReorderingTask {
ID = 9,
Subject = "Brochure Design Review",
Status = 1,
Owner = 28,
AssignedEmployee = 29,
OrderIndex = 8,
Priority = 1
},
new RowReorderingTask {
ID = 10,
Subject = "Website Re-Design Plan",
Status = 5,
Owner = 28,
AssignedEmployee = 29,
OrderIndex = 9,
Priority = 2
},
new RowReorderingTask {
ID = 11,
Subject = "Rollout of New Website and Marketing Brochures",
Status = 5,
Owner = 1,
AssignedEmployee = 4,
OrderIndex = 10,
Priority = 2
},
new RowReorderingTask {
ID = 12,
Subject = "Update Sales Strategy Documents",
Status = 5,
Owner = 4,
AssignedEmployee = 8,
OrderIndex = 11,
Priority = 2
},
new RowReorderingTask {
ID = 13,
Subject = "Create 2012 Sales Report",
Status = 5,
Owner = 8,
AssignedEmployee = 41,
OrderIndex = 12,
Priority = 4
},
new RowReorderingTask {
ID = 14,
Subject = "Direct vs Online Sales Comparison Report",
Status = 5,
Owner = 41,
AssignedEmployee = 42,
OrderIndex = 13,
Priority = 3
},
new RowReorderingTask {
ID = 15,
Subject = "Review 2012 Sales Report and Approve 2013 Plans",
Status = 5,
Owner = 41,
AssignedEmployee = 4,
OrderIndex = 14,
Priority = 3
},
new RowReorderingTask {
ID = 16,
Subject = "Deliver R&D Plans for 2013",
Status = 2,
Owner = 1,
AssignedEmployee = 3,
OrderIndex = 15,
Priority = 2
},
new RowReorderingTask {
ID = 17,
Subject = "Create 2013 R&D Plans",
Status = 5,
Owner = 3,
AssignedEmployee = 32,
OrderIndex = 16,
Priority = 0
},
new RowReorderingTask {
ID = 18,
Subject = "2013 QA Strategy Report",
Status = 5,
Owner = 32,
AssignedEmployee = 33,
OrderIndex = 17,
Priority = 0
},
new RowReorderingTask {
ID = 19,
Subject = "2013 Training Events",
Status = 5,
Owner = 33,
AssignedEmployee = 31,
OrderIndex = 18,
Priority = 0
},
new RowReorderingTask {
ID = 20,
Subject = "Approve Hiring of John Jeffers",
Status = 5,
Owner = 31,
AssignedEmployee = 5,
OrderIndex = 19,
Priority = 0
},
new RowReorderingTask {
ID = 21,
Subject = "Non-Compete Agreements",
Status = 5,
Owner = 5,
AssignedEmployee = 2,
OrderIndex = 20,
Priority = 0
},
new RowReorderingTask {
ID = 22,
Subject = "Update NDA Agreement",
Status = 5,
Owner = 2,
AssignedEmployee = 1,
OrderIndex = 21,
Priority = 0
},
new RowReorderingTask {
ID = 23,
Subject = "Update Employee Files with New NDA",
Status = 1,
Owner = 2,
AssignedEmployee = 5,
OrderIndex = 22,
Priority = 3
},
new RowReorderingTask {
ID = 24,
Subject = "Sign Updated NDA",
Status = 5,
Owner = 5,
AssignedEmployee = 6,
OrderIndex = 23,
Priority = 0
},
new RowReorderingTask {
ID = 25,
Subject = "Sign Updated NDA",
Status = 5,
Owner = 5,
AssignedEmployee = 7,
OrderIndex = 24,
Priority = 0
},
new RowReorderingTask {
ID = 26,
Subject = "Sign Updated NDA",
Status = 1,
Owner = 5,
AssignedEmployee = 8,
OrderIndex = 25,
Priority = 1
},
new RowReorderingTask {
ID = 27,
Subject = "Sign Updated NDA",
Status = 4,
Owner = 5,
AssignedEmployee = 9,
OrderIndex = 26,
Priority = 0
},
new RowReorderingTask {
ID = 28,
Subject = "Submit Questions Regarding New NDA",
Status = 1,
Owner = 9,
AssignedEmployee = 17,
OrderIndex = 27,
Priority = 1
},
new RowReorderingTask {
ID = 29,
Subject = "Submit Questions Regarding New NDA",
Status = 1,
Owner = 9,
AssignedEmployee = 18,
OrderIndex = 28,
Priority = 1
},
new RowReorderingTask {
ID = 30,
Subject = "Submit Questions Regarding New NDA",
Status = 4,
Owner = 9,
AssignedEmployee = 19,
OrderIndex = 29,
Priority = 0
},
new RowReorderingTask {
ID = 31,
Subject = "Submit Signed NDA",
Status = 5,
Owner = 10,
AssignedEmployee = 14,
OrderIndex = 30,
Priority = 0
},
new RowReorderingTask {
ID = 32,
Subject = "Submit Signed NDA",
Status = 5,
Owner = 10,
AssignedEmployee = 13,
OrderIndex = 31,
Priority = 0
},
new RowReorderingTask {
ID = 33,
Subject = "Submit Signed NDA",
Status = 5,
Owner = 10,
AssignedEmployee = 15,
OrderIndex = 32,
Priority = 0
},
new RowReorderingTask {
ID = 34,
Subject = "Submit Signed NDA",
Status = 5,
Owner = 10,
AssignedEmployee = 16,
OrderIndex = 33,
Priority = 0
},
new RowReorderingTask {
ID = 35,
Subject = "Update Revenue Projections",
Status = 5,
Owner = 1,
AssignedEmployee = 7,
OrderIndex = 34,
Priority = 0
},
new RowReorderingTask {
ID = 36,
Subject = "Review Revenue Projections",
Status = 5,
Owner = 7,
AssignedEmployee = 8,
OrderIndex = 35,
Priority = 0
},
new RowReorderingTask {
ID = 37,
Subject = "Comment on Revenue Projections",
Status = 5,
Owner = 7,
AssignedEmployee = 41,
OrderIndex = 36,
Priority = 0
},
new RowReorderingTask {
ID = 38,
Subject = "Comment on Revenue Projections",
Status = 5,
Owner = 7,
AssignedEmployee = 42,
OrderIndex = 37,
Priority = 0
},
new RowReorderingTask {
ID = 39,
Subject = "Comment on Revenue Projections",
Status = 1,
Owner = 7,
AssignedEmployee = 45,
OrderIndex = 38,
Priority = 2
},
new RowReorderingTask {
ID = 40,
Subject = "Provide New Health Insurance Docs",
Status = 5,
Owner = 11,
AssignedEmployee = 5,
OrderIndex = 39,
Priority = 0
},
new RowReorderingTask {
ID = 41,
Subject = "Review Changes to Health Insurance Coverage",
Status = 5,
Owner = 11,
AssignedEmployee = 10,
OrderIndex = 40,
Priority = 0
},
new RowReorderingTask {
ID = 42,
Subject = "Scan Health Insurance Forms",
Status = 5,
Owner = 10,
AssignedEmployee = 14,
OrderIndex = 41,
Priority = 0
},
new RowReorderingTask {
ID = 43,
Subject = "Sign Health Insurance Forms",
Status = 5,
Owner = 14,
AssignedEmployee = 15,
OrderIndex = 42,
Priority = 0
},
new RowReorderingTask {
ID = 44,
Subject = "Sign Health Insurance Forms",
Status = 5,
Owner = 14,
AssignedEmployee = 13,
OrderIndex = 43,
Priority = 0
},
new RowReorderingTask {
ID = 45,
Subject = "Sign Health Insurance Forms",
Status = 3,
Owner = 14,
AssignedEmployee = 16,
OrderIndex = 44,
Priority = 0
},
new RowReorderingTask {
ID = 46,
Subject = "Follow up with West Coast Stores",
Status = 1,
Owner = 9,
AssignedEmployee = 18,
OrderIndex = 45,
Priority = 3
},
new RowReorderingTask {
ID = 47,
Subject = "Follow up with East Coast Stores",
Status = 1,
Owner = 9,
AssignedEmployee = 17,
OrderIndex = 46,
Priority = 3
},
new RowReorderingTask {
ID = 48,
Subject = "Send Email to Customers about Recall",
Status = 5,
Owner = 9,
AssignedEmployee = 19,
OrderIndex = 47,
Priority = 0
},
new RowReorderingTask {
ID = 49,
Subject = "Submit Refund Report for 2013 Recall",
Status = 5,
Owner = 7,
AssignedEmployee = 9,
OrderIndex = 48,
Priority = 0
},
new RowReorderingTask {
ID = 50,
Subject = "Give Final Approval for Refunds",
Status = 5,
Owner = 7,
AssignedEmployee = 2,
OrderIndex = 49,
Priority = 0
},
new RowReorderingTask {
ID = 51,
Subject = "Prepare Product Recall Report",
Status = 5,
Owner = 3,
AssignedEmployee = 32,
OrderIndex = 50,
Priority = 0
},
new RowReorderingTask {
ID = 52,
Subject = "Review Product Recall Report by Engineering Team",
Status = 5,
Owner = 3,
AssignedEmployee = 1,
OrderIndex = 51,
Priority = 0
},
new RowReorderingTask {
ID = 53,
Subject = "Create Training Course for New TVs",
Status = 5,
Owner = 32,
AssignedEmployee = 31,
OrderIndex = 52,
Priority = 0
},
new RowReorderingTask {
ID = 54,
Subject = "Review Training Course for any Omissions",
Status = 5,
Owner = 31,
AssignedEmployee = 33,
OrderIndex = 53,
Priority = 0
},
new RowReorderingTask {
ID = 55,
Subject = "Review Overtime Report",
Status = 5,
Owner = 5,
AssignedEmployee = 6,
OrderIndex = 54,
Priority = 0
},
new RowReorderingTask {
ID = 56,
Subject = "Submit Overtime Request Forms",
Status = 5,
Owner = 6,
AssignedEmployee = 21,
OrderIndex = 55,
Priority = 0
},
new RowReorderingTask {
ID = 57,
Subject = "Submit Overtime Request Forms",
Status = 5,
Owner = 6,
AssignedEmployee = 22,
OrderIndex = 56,
Priority = 0
},
new RowReorderingTask {
ID = 58,
Subject = "Submit Overtime Request Forms",
Status = 5,
Owner = 6,
AssignedEmployee = 23,
OrderIndex = 57,
Priority = 0
},
new RowReorderingTask {
ID = 59,
Subject = "Overtime Approval Guidelines",
Status = 5,
Owner = 6,
AssignedEmployee = 2,
OrderIndex = 58,
Priority = 0
},
new RowReorderingTask {
ID = 60,
Subject = "Refund Request Template",
Status = 3,
Owner = 12,
AssignedEmployee = 8,
OrderIndex = 59,
Priority = 0
},
new RowReorderingTask {
ID = 61,
Subject = "Recall Rebate Form",
Status = 3,
Owner = 12,
AssignedEmployee = 8,
OrderIndex = 60,
Priority = 0
},
new RowReorderingTask {
ID = 62,
Subject = "Create Report on Customer Feedback",
Status = 5,
Owner = 30,
AssignedEmployee = 12,
OrderIndex = 61,
Priority = 0
},
new RowReorderingTask {
ID = 63,
Subject = "Review Customer Feedback Report",
Status = 5,
Owner = 30,
AssignedEmployee = 8,
OrderIndex = 62,
Priority = 0
},
new RowReorderingTask {
ID = 64,
Subject = "Customer Feedback Report Analysis",
Status = 3,
Owner = 8,
AssignedEmployee = 1,
OrderIndex = 63,
Priority = 0
},
new RowReorderingTask {
ID = 65,
Subject = "Prepare Shipping Cost Analysis Report",
Status = 5,
Owner = 8,
AssignedEmployee = 10,
OrderIndex = 64,
Priority = 0
},
new RowReorderingTask {
ID = 66,
Subject = "Provide Feedback on Shippers",
Status = 5,
Owner = 10,
AssignedEmployee = 13,
OrderIndex = 65,
Priority = 0
},
new RowReorderingTask {
ID = 67,
Subject = "Provide Feedback on Shippers",
Status = 5,
Owner = 10,
AssignedEmployee = 15,
OrderIndex = 66,
Priority = 0
},
new RowReorderingTask {
ID = 68,
Subject = "Provide Feedback on Shippers",
Status = 5,
Owner = 10,
AssignedEmployee = 16,
OrderIndex = 67,
Priority = 0
},
new RowReorderingTask {
ID = 69,
Subject = "Select Preferred Shipper",
Status = 5,
Owner = 10,
AssignedEmployee = 2,
OrderIndex = 68,
Priority = 0
},
new RowReorderingTask {
ID = 70,
Subject = "Complete Shipper Selection Form",
Status = 3,
Owner = 2,
AssignedEmployee = 1,
OrderIndex = 69,
Priority = 0
},
new RowReorderingTask {
ID = 71,
Subject = "Upgrade Server Hardware",
Status = 5,
Owner = 22,
AssignedEmployee = 6,
OrderIndex = 70,
Priority = 0
},
new RowReorderingTask {
ID = 72,
Subject = "Upgrade Personal Computers",
Status = 4,
Owner = 21,
AssignedEmployee = 6,
OrderIndex = 71,
Priority = 0
},
new RowReorderingTask {
ID = 73,
Subject = "Approve Personal Computer Upgrade Plan",
Status = 5,
Owner = 6,
AssignedEmployee = 2,
OrderIndex = 72,
Priority = 0
},
new RowReorderingTask {
ID = 74,
Subject = "Decide on Mobile Devices to Use in the Field",
Status = 5,
Owner = 6,
AssignedEmployee = 3,
OrderIndex = 73,
Priority = 0
},
new RowReorderingTask {
ID = 75,
Subject = "Upgrade Apps to Windows RT or stay with WinForms",
Status = 5,
Owner = 24,
AssignedEmployee = 6,
OrderIndex = 74,
Priority = 0
},
new RowReorderingTask {
ID = 76,
Subject = "Estimate Time Required to Touch-Enable Apps",
Status = 5,
Owner = 24,
AssignedEmployee = 25,
OrderIndex = 75,
Priority = 0
},
new RowReorderingTask {
ID = 77,
Subject = "Report on Tranistion to Touch-Based Apps",
Status = 5,
Owner = 6,
AssignedEmployee = 23,
OrderIndex = 76,
Priority = 0
},
new RowReorderingTask {
ID = 78,
Subject = "Try New Touch-Enabled WinForms Apps",
Status = 5,
Owner = 6,
AssignedEmployee = 3,
OrderIndex = 77,
Priority = 0
},
new RowReorderingTask {
ID = 79,
Subject = "Rollout New Touch-Enabled WinForms Apps",
Status = 4,
Owner = 6,
AssignedEmployee = 24,
OrderIndex = 78,
Priority = 0
},
new RowReorderingTask {
ID = 80,
Subject = "Site Up-Time Report",
Status = 5,
Owner = 3,
AssignedEmployee = 6,
OrderIndex = 79,
Priority = 0
},
new RowReorderingTask {
ID = 81,
Subject = "Review Site Up-Time Report",
Status = 5,
Owner = 3,
AssignedEmployee = 4,
OrderIndex = 80,
Priority = 0
},
new RowReorderingTask {
ID = 82,
Subject = "Review Online Sales Report",
Status = 5,
Owner = 4,
AssignedEmployee = 1,
OrderIndex = 81,
Priority = 0
},
new RowReorderingTask {
ID = 83,
Subject = "Determine New Online Marketing Strategy",
Status = 5,
Owner = 4,
AssignedEmployee = 8,
OrderIndex = 82,
Priority = 0
},
new RowReorderingTask {
ID = 84,
Subject = "New Online Marketing Strategy",
Status = 5,
Owner = 8,
AssignedEmployee = 42,
OrderIndex = 83,
Priority = 0
},
new RowReorderingTask {
ID = 85,
Subject = "Approve New Online Marketing Strategy",
Status = 5,
Owner = 8,
AssignedEmployee = 4,
OrderIndex = 84,
Priority = 0
},
new RowReorderingTask {
ID = 86,
Subject = "Submit New Website Design",
Status = 5,
Owner = 8,
AssignedEmployee = 28,
OrderIndex = 85,
Priority = 0
},
new RowReorderingTask {
ID = 87,
Subject = "Create Icons for Website",
Status = 5,
Owner = 28,
AssignedEmployee = 29,
OrderIndex = 86,
Priority = 0
},
new RowReorderingTask {
ID = 88,
Subject = "Review PSDs for New Website",
Status = 5,
Owner = 28,
AssignedEmployee = 6,
OrderIndex = 87,
Priority = 0
},
new RowReorderingTask {
ID = 89,
Subject = "Create New Shopping Cart",
Status = 5,
Owner = 6,
AssignedEmployee = 24,
OrderIndex = 88,
Priority = 0
},
new RowReorderingTask {
ID = 90,
Subject = "Create New Product Pages",
Status = 5,
Owner = 6,
AssignedEmployee = 25,
OrderIndex = 89,
Priority = 0
}
};
}
}