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Posted 8 Jun 2013

MVC Schedule controls

, 8 Sep 2013
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MVC Schedule controls


These are 2 free controls, ScheduleCalendar and ScheduleGeneral, designed to show scheduled events in the form of a table. They are simple versions of the so-called Gantt chart. They don't have advanced features such as dependencies and milestones, but on the other hand, they allow you to provide either a lambda expression or a partial view for the content of the items, so it's up to you, the developer, what you want to show.

The controls can be used for a broad variety of applications: time tables, resource usage planners, calendars, event schedulers, activities, reservations, sequences, project management, etc... See the demos for some examples.

The ScheduleCalendar control for instance will turn this data:

StartTime EndTime EventDate Task
9:00 11:00 3/8/2013 History
9:00 10:00 3/9/2013 Math
10:00 11:00 3/9/2013 Biology
11:00 12:00 3/9/2013 History
9:00 10:00 3/10/2013 Geology
10:00 12:00 3/10/2013 Math
9:00 10:00 3/11/2013 Economy
10:00 12:00 3/11/2013 Literature
9:00 12:00 3/12/2013 Sports
9:00 11:00 3/15/2013 History
9:00 10:00 3/16/2013 Math
10:00 11:00 3/16/2013 Biology
11:00 12:00 3/16/2013 History
9:00 10:00 3/17/2013 Geology
10:00 12:00 3/17/2013 Math
9:00 10:00 3/18/2013 Economy
10:00 12:00 3/18/2013 Literature
9:00 12:00 3/19/2013 Sports

into this presentation:

demo output

The other control is the ScheduleGeneral. Here you can provide your own titles (you may think of people, resources or location names). Here's an example with TV stations:

demo output

Automatically, overlapping events will cause extra rows or columns to be added to the table, enabling them to be shown correctly.

Overlapping items:
demo overlapping items

The controls require at least ASP.NET 4.0 and MVC3. They come with a documentation file "documentation.chm".


Installing the controls

You can install the controls in the standard way:

  • create a "bin" folder inside the application root of your website (if it's not already there)
  • copy the assembly file MvcSchedule.dll into the bin folder

A NuGet package is also available at

Installing the demos

I added a Visual Studio project with a set of simple demo files.

Using the controls

Adding the controls to your page

Add these lines to the top of your page (Razor syntax):

@using MvcSchedule;
@using MvcSchedule.Objects;

Then, call the following Html helper where you want the schedule to be displayed:


                             m => m.StartTime,
                             m => m.EndTime,
                             m => m.EventDate,
                             m => m.Task,
                             new MvcScheduleCalendarOptions { 
                                 Layout = LayoutEnum.Vertical,
                                 ItemCss = "item"
                             t => ((DateTime)t).ToString("hh:mm"),
                             d => ((DateTime)d).ToString("dd/MM"))


                             Function(m) m.StartTime,
                             Function(m) m.EndTime,
                             Function(m) m.EventDate,
                             Function(m) m.Task,
                             new MvcScheduleCalendarOptions With { 
                                 .Layout = LayoutEnum.Vertical,
                                 .ItemCss = "item"
                             Function(d) DirectCast(d,DateTime).ToString("hh:mm"),
                             Function(t) DirectCast(t,DateTime).ToString("dd/MM"))

Of course, for the general version, you use ScheduleGeneralFor instead of ScheduleCalendarFor.

The Model should be an IEnumerable type.

Data expressions

For each item on the schedule, the model should provide expressions providing a start value, an end value, and custom data (typically a description of the task or event). For the ScheduleCalendar control when TimeExpressionsContainDate==false, you also need a date expression. For the ScheduleGeneral control you also need a title expression (for display on column/row headers).

You need to provide at least 3 lambda expressions with the Html helper call:


  1. StartTimeExpression: the expression that yields the start of the event for an item of the model
  2. EndTimeExpression: the expression that yields the end of the event
  3. DateExpression: the expression that yields the date of the event. This expression should produce a result of type "DateTime" (exception: when TimeExpressionsContainDate==true this expression is ignored, see below). In a vertical layout, this expression will be used for column titles. In a horizontal layout, it will be used for row titles.


  1. DataRangeStartExpression: the expression that yields the start of the event
  2. DataRangeEndExpression: the expression that yields the end of the event
  3. TitleExpression: the expression that provides the titles. You can think of some useful fields for titles: people names, locations, classrooms, resources, etc...) In a vertical layout, this expression will be used for column titles. In a horizontal layout, it will be used for row titles.

1) and 2) can be thought of as time expressions, but in general, any type of sortable expression (such as an integer) will do. Only when TimeExpressionsContainDate==true for the ScheduleCalendar control, they should contain date and time information, and when FullTimeScale=True, they should contain at least time information.

Finally, you need to provide a way to display the content of the items themselves. This can be done in two ways (depending on which overload of the Html helper that you use):

  1. By providing a ItemDisplayExpression: an expression that provides the content displayed in the actual item.
  2. By providing the ItemPartialViewName: the name of a partial view that displays the item on the schedule.
    This allows you to provide all kinds of rich content for the items.


You can provide an optional parameter with all kinds of options. For the calendar control, this is an MvcScheduleCalendarOptions object, for the general control, it's an MvcScheduleGeneralOptions object.

Through the options you can set the css styles for the different parts of the schedules. These are the styles:

  1. GeneralCss: the style class applied to the entire schedule table.
  2. ItemCss: the style class applied to schedule items.
  3. AlternatingItemCss: the style class applied to alternating schedule items. When null, the ItemCss is applied.
  4. RangeHeaderCss: the style class applied to range header items. For calendars, use TimeCss instead.
  5. TitleCss: the style class applied to title items. For calendars, use DateCss instead.
  6. BackgroundCss: the style class applied to the background cells (cells with no content).

One important option is the FullTimeScale property. When false (the default value), only range values occurring in the model are shown. When true, a continuous time scale is displayed (like the Outlook calendar). For the ScheduleGeneral control, this requires the DataRangeStartExpression and DataRangeEndExpression expressions in the model to be of type DateTime.

The image below shows the the same item (Lunch from 12:30 to 13:30) in both cases:

FullTimeScale = false


Lunch from 12:30 to 13:30


FullTimeScale = true and TimeScaleInterval = 15


Lunch from 12:30 to 13:30


When FullTimeScale is true, there are 3 additional options that you can set:

  1. TimeScaleInterval: an integer value giving the number of minutes for the interval (default=60)
  2. StartOfTimeScale: a timespan value setting the start time of the time scale (default=8:00)
  3. EndOfTimeScale: a timespan value setting the end time of the time scale (default=17:00). The highest value allowed here is 24:00 (midnight), which should be entered as "1.00:00" (one day, zero hours and minutes).

Two other important options are IncludeEndValue and ShowValueMarks. When IncludeEndValue is true, the row with the end value will be included in the event. Sometimes, this will result in a more logical presentation. However, when the items are adjacent (for instance: one event ends at 10:00 AM, and another starts at the same time), it's better to set IncludeEndValue to false. Otherwise, the items will be shown as overlapping. In this case, you can also set ShowValueMarks to true, which will add marks indicating the values, and the values will be shown in the middle of the item. The default value is false for both.

The image below shows the the same item (Lunch from 12:30 to 13:30) in all cases:

IncludeEndvalue = False and ShowValueMarks = False


Lunch from 12:30 to 13:30


IncludeEndValue = True (ShowValueMarks is ignored)


Lunch from 12:30 to 13:30


IncludeEndValue = False and ShowValueMarks = True


Lunch from 12:30 to 13:30


For the ScheduleCalendar control, you can set these additional properties on the MvcScheduleCalendarOptions parameter:

  • NumberOfDays: the number of days to show at a time. The default value is 7, making it a weekly calendar.
  • NumberOfRepetitions: the number of times to repeat the number of days (the default setting is 1 repetition). When NumberOfDays=7, this is the number of weeks that will be shown in the control.
  • StartDay: the day of the week to start the calendar. This property is only used when the NumberOfDays property is set to 7. The default value is Monday.
  • StartDate: date to start displaying events. If this date is not on the same day of the week as the StartDay property, the control will start displaying on the same day prior to the chosen date. The default value is today's date.
  • TimeExpressionsContainDate: when false (the default), the DateExpression property is used to extract dates for each item. This means that items must start and end on the same day. If some of your items span midnight, you should set
    to true, and you should provide a full date and time in both the StartTimeExpression and EndTimeExpression expressions. In this case, the DateExpression property is ignored.

The ScheduleGeneral control has two additional properties on the MvcScheduleGeneralOptions parameter:

  • AutoSortTitles: When true, the titles are sorted automatically, even when they are not sorted in the model. When false, you may provide your own sorting order for the titles, but make sure that the items with the same titles are grouped together, and that for each title, the items are sorted on DataRangeStartExpression first and on DataRangeEndExpression next. The default value for AutoSortTitles is true.
  • SeparateDateHeader: When true, an extra range of cells will be added to group all events of the same date. This requires DataRangeStartExpression and DataRangeEndExpression to be of type DateTime. The default is false.


12/9/2013 14:00 Task 1
12/9/2013 15:00
12/10/2013 14:00 Task 2
12/10/2013 15:00


12/9/2013 14:00 Task 1
12/10/2013 14:00 Task 2

For both the ScheduleCalendar and ScheduleGeneral controls, you can easily switch between a vertical or a horizontal layout with the Layout property.

Providing formats

Apart from the expressions used to build the schedule, you can provide optional expressions to indicate how to display the data.
For instance, you may use some DateTime property for the DataRangeStartExpression, but you could provide a DataRangeDisplayExpression that formats this property in the short date format.

For the ScheduleGeneral control, these are:

  1. DataRangeDisplayExpression for displaying range start and range end values.
  2. TitleDisplayExpression for displaying title values.
  3. DateHeaderDisplayExpression for displaying date header values.

For the ScheduleCalendar control, these are:

  1. TimeDisplayExpression for displaying the time values.
  2. DateDisplayExpression for displaying date values.

Demo pages

Download the demo pages for samples showing you how the Schedule controls could be used. In each sample, you can set the properties with the help of a form and you can add items. These samples use a SQL Server database as the data source.

  • demo1.aspx shows a sample of a calendar. It also shows you how to delete items with a linkbutton.
  • demo2.aspx shows a sample of a task list. It also shows you how to edit and delete items with a linkbutton.
  • demo3.aspx shows a sample of a TV program schedule.
  • demo4.aspx shows a sample of a calendar with items that span midnight.

How it works

I decided to use a table for displaying all the items, instead of graphics. Graphics can put a heavy load on the server, and most importantly: a table can contain partial views. By using partial views, a developer has full control over the content of the items.

I created a BaseSchedule object, which contains the code that is common for ScheduleGeneral and ScheduleCalendar.

First, all the information is extracted from the model in order to create lists for the row and column headers. Any double values are removed, and the remainder is sorted in ascending order.

Next, an empty table object is built, with the correct number of rows and columns. For simplicity, the table is always built in vertical layout, and only converted to a horizontal web table later when necessary.

Then, the header items are added (row headers and column headers).

Next, the scheduled items are added to the body of the table. The most difficult part is to calculate the position and span of each item, to merge the corresponding cells, and to check whether items don't overlap.

Finally, the table object is converted into an html table.


Here are some ideas for future improvement:

  • Provide support for right-to-left languages
  • Add dragging support for selecting a range (Outlook style)
  • Support for recurring events

If anyone decides to extend these controls, or has any comments, bug reports or questions, then it would be great to hear from you.

Points of interest

  • MVC control
  • HTML helper

Update history

Release 1.0.0

First version



This article, along with any associated source code and files, is licensed under The GNU Lesser General Public License (LGPLv3)


About the Author

Jos Branders
Web Developer
Belgium Belgium
No Biography provided

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Comments and Discussions

GeneralMy vote of 5 Pin
Dmitry A. Efimenko22-Jul-13 7:30
memberDmitry A. Efimenko22-Jul-13 7:30 

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