DxScheduler.AllowDragAppointment Property

Specifies whether users can drag appointments.

Namespace: DevExpress.Blazor

Assembly: DevExpress.Blazor.v23.1.dll

NuGet Package: DevExpress.Blazor

Declaration

[DefaultValue(true)]
[Parameter]
public bool AllowDragAppointment { get; set; }

Property Value

Type	Default	Description
Boolean	true	true to allow users to drag appointments; otherwise, false.

Remarks

The Scheduler allows users to move and resize appointments to change their start and end dates.

You can set the AllowDragAppointment and AllowResizeAppointment properties to false to prevent users from dragging and resizing appointments.

Index.razor

@using Data

<DxScheduler StartDate="@DateTime.Today"
             DataStorage="@DataStorage"
             AllowCreateAppointment="false"
             AllowEditAppointment="false"
             AllowDeleteAppointment="false">
    <DxSchedulerWeekView/>
</DxScheduler>

@code {
    DxSchedulerDataStorage DataStorage = new DxSchedulerDataStorage() {
        AppointmentsSource = AppointmentCollection.GetAppointments(),
        AppointmentMappings = new DxSchedulerAppointmentMappings() {
            Type = "AppointmentType",
            Start = "StartDate",
            End = "EndDate",
            Subject = "Caption",
            AllDay = "AllDay",
            Location = "Location",
            Description = "Description",
            LabelId = "Label",
            StatusId = "Status",
            RecurrenceInfo = "Recurrence"
        }
    };
}

ResourceAppointment.cs

using System;

namespace Scheduler.Data {

    public static partial class ResourceAppointmentCollection {
        public class ResourceAppointment {
            public ResourceAppointment() { }
            public bool Accepted { get; set; }
            public int AppointmentType { get; set; }
            public DateTime StartDate { get; set; }
            public DateTime EndDate { get; set; }
            public string Caption { get; set; }
            public string Description { get; set; }
            public string Location { get; set; }
            public int? Label { get; set; }
            public int Status { get; set; }
            public bool AllDay { get; set; }
            public string Recurrence { get; set; }
            public int? ResourceId { get; set; }
        }
    }
}

ResourceAppointmentCollection.cs

using System;
using System.Collections.Generic;
using System.Linq;

namespace Scheduler.Data {

    public static partial class ResourceAppointmentCollection {
        public static List<ResourceAppointment> GetAppointments() {
            DateTime date = DateTime.Now.Date;
            var dataSource = new List<ResourceAppointment>() {
                new ResourceAppointment {
                    Accepted = true,
                    Caption = "Install New Router in Dev Room",
                    StartDate = date + (new TimeSpan(0, 10, 0, 0)),
                    EndDate = date + (new TimeSpan(0, 12, 0, 0)),
                    Status = 1,
                    ResourceId = 0
                },
                new ResourceAppointment {
                    Caption = "Upgrade Personal Computers",
                    Accepted = false,
                    StartDate = date + (new TimeSpan(0,  13, 0, 0)),
                    EndDate = date + (new TimeSpan(0, 14, 30, 0)),
                    Status = 1,
                    ResourceId = 0
                },
                new ResourceAppointment {
                    Caption = "Website Redesign Plan",
                    Accepted = false,
                    StartDate = date + (new TimeSpan(1, 9, 30, 0)),
                    EndDate = date + (new TimeSpan(1, 11, 30, 0)),
                    Status = 1,
                    ResourceId = 0
                },
                new ResourceAppointment {
                    Caption = "New Brochures",
                    Accepted = true,
                    StartDate = date + (new TimeSpan(1, 13, 30, 0)),
                    EndDate = date + (new TimeSpan(1, 15, 15, 0)),
                    Status = 1,
                    ResourceId = 0
                },
                new ResourceAppointment {
                    Caption = "Book Flights to San Fran for Sales Trip",
                    Accepted = false,
                    StartDate = date + (new TimeSpan(1, 12, 0, 0)),
                    EndDate = date + (new TimeSpan(1, 13, 0, 0)),
                    AllDay = true,
                    Status = 1,
                    ResourceId = 0
                },
                new ResourceAppointment {
                    Caption = "Approve Personal Computer Upgrade Plan",
                    Accepted = true,
                    StartDate = date + (new TimeSpan(0, 10, 0, 0)),
                    EndDate = date + (new TimeSpan(0, 12, 0, 0)),
                    Status = 1
                },
                new ResourceAppointment {
                    Caption = "Final Budget Review",
                    Accepted = true,
                    StartDate = date + (new TimeSpan(0, 13, 0, 0)),
                    EndDate = date + (new TimeSpan(0, 15, 0, 0)),
                    Status = 1,
                    ResourceId = 1
                },
                new ResourceAppointment {
                    Caption = "Install New Database",
                    Accepted = false,
                    StartDate = date + (new TimeSpan(0, 9, 45, 0)),
                    EndDate = date + (new TimeSpan(1, 11, 15, 0)),
                    Status = 1,
                    ResourceId = 1
                },
                new ResourceAppointment {
                    Accepted = true,
                    Caption = "Approve New Online Marketing Strategy",
                    StartDate = date + (new TimeSpan(1,  12, 0, 0)),
                    EndDate = date + (new TimeSpan(1, 14, 0, 0)),
                    Status = 1,
                    ResourceId = 1
                },
                new ResourceAppointment {
                    Accepted = true,
                    Caption = "Customer Workshop",
                    StartDate = date + (new TimeSpan(0,  11, 0, 0)),
                    EndDate = date + (new TimeSpan(0, 12, 0, 0)),
                    AllDay = true,
                    Status = 1,
                    ResourceId = 2
                },
                new ResourceAppointment {
                    Accepted = true,
                    Caption = "Prepare 2021 Marketing Plan",
                    StartDate = date + (new TimeSpan(0,  11, 0, 0)),
                    EndDate = date + (new TimeSpan(0, 13, 30, 0)),
                    Status = 1,
                    ResourceId = 2
                },
                new ResourceAppointment {
                    Accepted = false,
                    Caption = "Brochure Design Review",
                    StartDate = date + (new TimeSpan(0, 14, 0, 0)),
                    EndDate = date + (new TimeSpan(0, 15, 30, 0)),
                    Status = 1,
                    ResourceId = 2
                },
                new ResourceAppointment {
                    Accepted = true,
                    Caption = "Create Icons for Website",
                    StartDate = date + (new TimeSpan(1, 10, 0, 0)),
                    EndDate = date + (new TimeSpan(1, 11, 30, 0)),
                    Status = 1,
                    ResourceId = 1
                },
                new ResourceAppointment {
                    Accepted = true,
                    Caption = "Launch New Website",
                    StartDate = date + (new TimeSpan(1, 12, 20, 0)),
                    EndDate = date + (new TimeSpan(1, 14, 0, 0)),
                    Status = 1,
                    ResourceId = 2
                },
                new ResourceAppointment {
                    Accepted = false,
                    Caption = "Upgrade Server Hardware",
                    StartDate = date + (new TimeSpan(1, 9, 0, 0)),
                    EndDate = date + (new TimeSpan(1, 12, 0, 0)),
                    Status = 1,
                    ResourceId = 2
                },
                new ResourceAppointment {
                    Accepted = true,
                    Caption = "Book Flights to San Fran for Sales Trip",
                    StartDate = date + (new TimeSpan(0, 14, 0, 0)),
                    EndDate = date + (new TimeSpan(0, 17, 0, 0)),
                    Status = 1,
                    ResourceId = 3
                },
                new ResourceAppointment {
                    Accepted = true,
                    Caption = "Approve New Online Marketing Strategy",
                    StartDate = date + (new TimeSpan(0,  12, 0, 0)),
                    EndDate = date + (new TimeSpan(0, 15, 0, 0)),
                    Status = 1,
                    ResourceId = 4
                }
            };
            return dataSource;
        }

        public static List<Resource> GetResourcesForGrouping() {
            return GetResources().Take(3).ToList();
        }

        public static List<Resource> GetResources() {
            return new List<Resource>() {
                new Resource() { Id=0 , Name="John Heart", GroupId=100, BackgroundCss="dx-green-color", TextCss="text-white" },
                new Resource() { Id=1 , Name="Samantha Bright", GroupId=101, BackgroundCss="dx-orange-color", TextCss="text-white" },
                new Resource() { Id=2 , Name="Arthur Miller", GroupId=100, BackgroundCss="dx-purple-color", TextCss="text-white" },
                new Resource() { Id=3 , Name="Robert Reagan", GroupId=101, BackgroundCss="dx-indigo-color", TextCss="text-white" },
                new Resource() { Id=4 , Name="Greta Sims", GroupId=100, BackgroundCss="dx-red-color", TextCss="text-white" }
            };
        }

        public static List<Resource> GetResourceGroups() {
            return new List<Resource>() {
                new Resource() { Id=100, Name="Sales and Marketing", IsGroup=true },
                new Resource() { Id=101, Name="Engineering", IsGroup=true }
            };
        }
    }
}

Run Demo: Scheduler - User Action Restriction