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syncfusion-aspnetcore-calendars

Office & productivity

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Updated 10-16 03:05

About this skill

Implementing Syncfusion ASP.NET Core Calendars

TimePicker

The TimePicker is an intuitive input component that allows users to select a time value from a popup list or type it directly. It supports time ranges, strict mode, masking, globalization, RTL, accessibility, and rich customization options.

Navigation Guide

Getting Started

📄 Read: references/getting-started.md

  • NuGet package installation and setup
  • Tag helper registration and script/style references
  • Basic TimePicker rendering with <ejs-timepicker>
  • Setting value, min, and max time
  • Configuring time format and step interval
  • TimePickerFor model binding

Time Range

📄 Read: references/time-range.md

  • Setting min and max time boundaries with Min and Max
  • Behavior when value is out-of-range
  • Two-TimePicker range selection (start/end time)
  • Enabling/disabling end time based on start time selection
  • Business hours selection pattern

Strict Mode

📄 Read: references/strict-mode.md

  • Enabling StrictMode to enforce valid time entry
  • Clamping out-of-range values to min/max
  • Default (non-strict) mode with error class indication
  • Null behavior for invalid values in non-strict mode

Globalization

📄 Read: references/globalization.md

  • Setting culture with Locale property
  • Loading CLDR data for non-English cultures
  • L10n placeholder localization
  • RTL support with EnableRtl for Arabic, Hebrew
  • German and Arabic culture examples

Time Masking

📄 Read: references/time-masking.md

  • Enabling masked input with EnableMask
  • Mask pattern based on format string
  • Custom mask placeholder with MaskPlaceholder (hour, minute, second)
  • Keyboard navigation within masked segments

Style and Appearance

📄 Read: references/style-appearance.md

  • CSS customization using CssClass property
  • Available CSS class targets (wrapper, icon, popup, list items)
  • Customizing input, popup button, popup list, hover/active states
  • Full-screen popup mode on mobile with FullScreenMode
  • Wrapper height, font-size, background-color overrides

Accessibility

📄 Read: references/accessibility.md

  • WCAG 2.2 AA compliance details
  • WAI-ARIA attributes: aria-haspopup, aria-selected, aria-disabled, etc.
  • Full keyboard interaction table
  • Screen reader support
  • RTL, color contrast, mobile device support

How-To Guides

📄 Read: references/how-to.md

  • Client-side form validation using FormValidator
  • CSS customization with custom class names
  • TimePickerFor rendering with model binding and form POST

API Reference

📄 Read: references/api.md

  • All properties with types, defaults, and descriptions
  • All events (Change, Open, Close, Focus, Blur, Cleared, ItemRender, Created, Destroyed)
  • CSS class reference table
  • MaskPlaceholder sub-properties
  • Complete tag helper attribute syntax

Quick Start

1. Install NuGet package:

Install-Package Syncfusion.EJ2.AspNet.Core

2. Register Tag Helper in ~/Pages/_ViewImports.cshtml:

@addTagHelper *, Syncfusion.EJ2

3. Add CSS and script in ~/Pages/Shared/_Layout.cshtml:

<link rel="stylesheet" href="https://cdn.syncfusion.com/ej2/fluent.css" />
<script src="https://cdn.syncfusion.com/ej2/dist/ej2.min.js"></script>

4. Add Script Manager at end of <body>:

<ejs-scripts></ejs-scripts>

5. Render the TimePicker:

<ejs-timepicker id="timepicker"></ejs-timepicker>

Common Patterns

TimePicker with Value, Min, and Max

@{
    var minVal = new DateTime(2022, 05, 07, 1, 00, 00);
    var maxVal = new DateTime(2022, 05, 07, 11, 00, 00);
    var value  = new DateTime(2022, 05, 07, 4, 00, 00);
}
<ejs-timepicker id="timepicker" value="value" min="minVal" max="maxVal"></ejs-timepicker>

Custom Format and Step

@{
    var value = new DateTime(2022, 05, 07, 4, 00, 00);
}
<ejs-timepicker id="timepicker" format="HH:mm" step="60" value="value"></ejs-timepicker>

Strict Mode

<ejs-timepicker id="timepicker"
    value="@ViewBag.value"
    min="@ViewBag.minVal"
    max="@ViewBag.maxVal"
    strictMode="true">
</ejs-timepicker>

Masked Input

<ejs-timepicker id="timepicker" enableMask="true"></ejs-timepicker>

RTL (Right-to-Left)

<ejs-timepicker id="timepicker" placeholder="Select a time" enableRtl="true"></ejs-timepicker>

DatePicker

The DatePicker is a graphical user interface control that allows users to select or enter a date value from a calendar popup or by typing directly into the input field. It supports date range restriction, custom formats, masked input, globalization, strict mode, calendar view configuration, RTL, and accessibility.

Navigation Guide

Getting Started

📄 Read: references/datepicker-getting-started.md

  • NuGet package installation and setup
  • Tag helper registration and script/style references
  • Basic <ejs-datepicker> rendering
  • Setting value, min, and max dates
  • DatePickerFor model binding and form POST

Date Range

📄 Read: references/datepicker-date-range.md

  • Setting min and max to restrict the selectable date range
  • Out-of-range behavior in default vs. strict mode
  • Error class indication for invalid/out-of-range dates
  • Updating min/max from code-behind

Strict Mode

📄 Read: references/datepicker-strict-mode.md

  • strictMode="true": clamps out-of-range input to min/max
  • strictMode="false" (default): accepts input, applies error class
  • Choosing the right mode for validation vs. display scenarios

Date Format

📄 Read: references/datepicker-date-format.md

  • format property for custom display format (e.g., yyyy-MM-dd)
  • inputFormats for accepting multiple user-entry formats
  • Common format token reference

Date Masking

📄 Read: references/datepicker-date-masking.md

  • Enabling masked input with enableMask
  • Mask pattern derived from format
  • maskPlaceholder sub-property customization (day, month, year)
  • Keyboard navigation within masked segments
  • Localized mask placeholder for non-English cultures

Views and Calendar Configuration

📄 Read: references/datepicker-view.md

  • start property for initial calendar view (Month/Year/Decade)
  • depth property to restrict navigation depth
  • dayHeaderFormat for day header display (Short/Narrow/Abbreviated/Wide)
  • weekNumber and firstDayOfWeek configuration

Globalization

📄 Read: references/datepicker-globalization.md

  • Setting culture with locale property
  • Loading CLDR data for non-English cultures
  • L10n localization for today button and placeholder text
  • RTL support with enableRtl for Arabic, Hebrew
  • German and Arabic culture examples

Style and Appearance

📄 Read: references/datepicker-style-appearance.md

  • cssClass for scoped style overrides
  • CSS class reference table (wrapper, icon, popup, day cells)
  • Customizing input wrapper, icon, and calendar popup
  • renderDayCell event for per-cell customization
  • fullScreenMode for mobile devices
  • floatLabelType for floating label behavior

Accessibility

📄 Read: references/datepicker-accessibility.md

  • WCAG 2.2 AA compliance
  • WAI-ARIA attributes (aria-expanded, aria-disabled, aria-activedescendant)
  • Full keyboard interaction tables (input and calendar popup)
  • Screen reader support and RTL

How-To Guides

📄 Read: references/datepicker-how-to.md

  • Client-side validation with FormValidator
  • DatePickerFor model binding and server-side form POST
  • Set placeholder and readonly state
  • Disable the DatePicker (enabled="false")
  • Open popup on input focus (openOnFocus or show() method)
  • Prevent popup from closing (preventDefault)
  • Customize day header format

API Reference

📄 Read: references/datepicker-api.md

  • All properties with types, defaults, and descriptions
  • All events with descriptions and args
  • MaskPlaceholder sub-properties
  • CSS class reference table
  • Complete tag helper attribute syntax

Quick Start

1. Install NuGet package:

Install-Package Syncfusion.EJ2.AspNet.Core

2. Register Tag Helper in ~/Pages/_ViewImports.cshtml:

@addTagHelper *, Syncfusion.EJ2

3. Add CSS and script in ~/Pages/Shared/_Layout.cshtml:

<link rel="stylesheet" href="https://cdn.syncfusion.com/ej2/fluent.css" />
<script src="https://cdn.syncfusion.com/ej2/dist/ej2.min.js"></script>

4. Add Script Manager at end of <body>:

<ejs-scripts></ejs-scripts>

5. Render the DatePicker:

<ejs-datepicker id="datepicker" placeholder="Select a date"></ejs-datepicker>

Common Patterns

DatePicker with Value, Min, and Max

@{
    var minDate = new DateTime(2025, 5, 5);
    var maxDate = new DateTime(2025, 5, 27);
    var value   = new DateTime(2025, 5, 15);
}
<ejs-datepicker id="datepicker"
    value="@value"
    min="@minDate"
    max="@maxDate"
    placeholder="Select a date">
</ejs-datepicker>

Custom Format

<ejs-datepicker id="datepicker"
    format="yyyy-MM-dd"
    placeholder="YYYY-MM-DD">
</ejs-datepicker>

Strict Mode

<ejs-datepicker id="datepicker"
    min="@ViewBag.MinDate"
    max="@ViewBag.MaxDate"
    strictMode="true">
</ejs-datepicker>

Masked Input

<ejs-datepicker id="datepicker" enableMask="true"></ejs-datepicker>

DatePickerFor (Model Binding)

@model AppModel
<ejs-datepickerfor id="date" for="@Model.Date" placeholder="Select a date">
</ejs-datepickerfor>

RTL (Right-to-Left)

<ejs-datepicker id="datepicker" locale="ar" enableRtl="true"></ejs-datepicker>

DateTimePicker

The DateTimePicker is a graphical user interface control that allows users to select both a date and a time value from a combined popup (calendar + time list), or type directly into the input field. It supports date-time range restriction, custom formats, input format flexibility, masked input, globalization, strict mode, calendar view configuration, RTL, and accessibility.

Navigation Guide

Getting Started

📄 Read: references/datetimepicker-getting-started.md

  • NuGet package installation and setup
  • Tag helper registration and script/style references
  • Basic <ejs-datetimepicker> rendering
  • Setting value, min, and max date-time
  • DateTimePickerFor model binding and form POST
  • openOnFocus, readonly, and showClearButton options

Date and Time Range

📄 Read: references/datetimepicker-date-time-range.md

  • Setting min and max to restrict full date-time range
  • Setting minTime and maxTime for per-day time restriction
  • Out-of-range behavior in default vs. strict mode
  • Priority rules when both min/max and minTime/maxTime are set
  • Updating range values from code-behind

Strict Mode

📄 Read: references/datetimepicker-strict-mode.md

  • strictMode="true": clamps out-of-range input to min/max
  • strictMode="false" (default): accepts input, applies error class
  • Choosing the right mode for validation vs. display scenarios

Date Time Format

📄 Read: references/datetimepicker-date-time-format.md

  • format property for custom display format (e.g., yyyy-MM-dd hh:mm)
  • timeFormat for time popup list display
  • inputFormats for accepting multiple user-entry formats
  • Common format token reference

Date Time Masking

📄 Read: references/datetimepicker-masking.md

  • Enabling masked input with enableMask
  • Mask pattern derived from format
  • maskPlaceholder sub-property customization (day, month, year, hour, minute, second)
  • Keyboard navigation within masked segments
  • Localized mask placeholder for non-English cultures

Globalization

📄 Read: references/datetimepicker-globalization.md

  • Setting culture with locale property
  • Loading CLDR data for non-English cultures
  • L10n localization for today button and placeholder text
  • RTL support with enableRtl for Arabic, Hebrew
  • German and Arabic culture examples

Style and Appearance

📄 Read: references/datetimepicker-style-appearance.md

  • cssClass for scoped style overrides
  • CSS class reference table (wrapper, icons, time popup, calendar popup)
  • Customizing input wrapper, date/time icons, and popups
  • renderDayCell event for per-cell customization
  • fullScreenMode for mobile devices
  • floatLabelType for floating label behavior

Accessibility

📄 Read: references/datetimepicker-accessibility.md

  • WCAG 2.2 AA compliance
  • WAI-ARIA attributes (aria-expanded, aria-disabled, aria-activedescendant)
  • Full keyboard interaction tables (input, calendar popup, and time popup)
  • Screen reader support and RTL

How-To Guides

📄 Read: references/datetimepicker-how-to.md

  • DateTimePickerFor model binding and server-side form POST
  • Disable the DateTimePicker (enabled="false")
  • Set placeholder and readonly state
  • Customize day header format (dayHeaderFormat)
  • Disable specific dates via renderDayCell
  • Calendar view configuration (start / depth)
  • Week number display and state persistence

API Reference

📄 Read: references/datetimepicker-api.md

  • All properties with types, defaults, and descriptions
  • All events with descriptions
  • MaskPlaceholder sub-properties
  • CSS class reference table
  • Enum values (CalendarView, DayHeaderFormats, CalendarType, FloatLabelType, WeekRule)
  • Complete tag helper attribute syntax

Quick Start

1. Install NuGet package:

Install-Package Syncfusion.EJ2.AspNet.Core

2. Register Tag Helper in ~/Pages/_ViewImports.cshtml:

@addTagHelper *, Syncfusion.EJ2

3. Add CSS and script in ~/Pages/Shared/_Layout.cshtml:

<link rel="stylesheet" href="https://cdn.syncfusion.com/ej2/fluent.css" />
<script src="https://cdn.syncfusion.com/ej2/dist/ej2.min.js"></script>

4. Add Script Manager at end of <body>:

<ejs-scripts></ejs-scripts>

5. Render the DateTimePicker:

<ejs-datetimepicker id="datetimepicker" placeholder="Select a date and time"></ejs-datetimepicker>

Common Patterns

DateTimePicker with Value, Min, and Max

@{
    var minVal = new DateTime(2019, 5, 5, 2, 0, 0);
    var maxVal = new DateTime(2019, 5, 25, 2, 0, 0);
    var value  = new DateTime(2019, 5, 10, 10, 0, 0);
}
<ejs-datetimepicker id="datetimepicker"
    value="value"
    min="minVal"
    max="maxVal">
</ejs-datetimepicker>

Custom Format

<ejs-datetimepicker id="datetimepicker"
    format="yyyy-MM-dd HH:mm"
    placeholder="YYYY-MM-DD HH:mm">
</ejs-datetimepicker>

Strict Mode

<ejs-datetimepicker id="datetimepicker"
    min="@ViewBag.minVal"
    max="@ViewBag.maxVal"
    strictMode="true">
</ejs-datetimepicker>

Masked Input

<ejs-datetimepicker id="datetimepicker" enableMask="true"></ejs-datetimepicker>

DateTimePickerFor (Model Binding)

@model BookingModel
<ejs-datetimepicker id="datetimepicker" for="BookingDateTime"></ejs-datetimepicker>

RTL (Right-to-Left)

<ejs-datetimepicker id="datetimepicker" locale="ar" enableRtl="true"></ejs-datetimepicker>

DateRangePicker

The DateRangePicker is a graphical user interface control that allows users to select a start and end date from a dual-calendar popup or by typing directly into the input field. It supports date range restriction, range span limits, custom formats, input format flexibility, presets, globalization, strict mode, day cell customization, RTL, and accessibility.

Navigation Guide

Getting Started

📄 Read: references/daterangepicker-getting-started.md

  • NuGet package installation and setup
  • Tag helper registration and script/style references
  • Basic <ejs-daterangepicker> rendering
  • Setting startDate and endDate
  • DateRangePickerFor model binding and form POST

Range Restriction

📄 Read: references/daterangepicker-range-restriction.md

  • Setting min and max to restrict selectable dates
  • Range span with minDays and maxDays
  • strictMode behavior: clamping vs. error class
  • Out-of-range behavior summary table

Date Format

📄 Read: references/daterangepicker-date-format.md

  • format property for custom display format
  • inputFormats array for flexible user entry
  • separator for custom delimiter between dates
  • Common format token reference

Customization

📄 Read: references/daterangepicker-customization.md

  • renderDayCell event for disabling/styling individual cells
  • firstDayOfWeek configuration
  • dayHeaderFormat (Short/Narrow/Abbreviated/Wide)
  • Calendar view start and depth
  • weekNumber and weekRule configuration
  • Presets for quick range selection
  • openOnFocus, readonly, allowEdit, showClearButton
  • enablePersistence for state retention across reloads

Globalization

📄 Read: references/daterangepicker-globalization.md

  • locale property for culture setting
  • Loading CLDR data for non-English cultures
  • L10n localization (placeholder, startLabel, endLabel, applyText, cancelText, selectedDays, days, customRange)
  • enableRtl for Arabic, Hebrew
  • German and Arabic culture examples

Style and Appearance

📄 Read: references/daterangepicker-style-appearance.md

  • cssClass for scoped style overrides
  • CSS customization for wrapper, icon, range header, calendar content
  • Footer Apply/Cancel button customization
  • floatLabelType for floating label behavior
  • fullScreenMode for mobile devices
  • Complete CSS class reference table

Accessibility

📄 Read: references/daterangepicker-accessibility.md

  • WCAG 2.2 AA compliance
  • WAI-ARIA attributes (aria-expanded, aria-disabled, aria-activedescendant)
  • Input and calendar keyboard interaction tables
  • Screen reader support and RTL

How-To Guides

📄 Read: references/daterangepicker-how-to.md

  • DateRangePickerFor model binding and server-side form POST
  • Set placeholder text
  • Disable the DateRangePicker (enabled="false")
  • Customize day header format
  • CSS customization with cssClass and CSS class reference

API Reference

📄 Read: references/daterangepicker-api.md

  • All properties with types, defaults, and descriptions
  • All events with descriptions
  • Presets sub-properties (label, start, end)
  • Enum values (CalendarView, DayHeaderFormats, FloatLabelType, WeekRule)
  • CSS class reference table
  • Complete tag helper attribute syntax

Quick Start

1. Install NuGet package:

Install-Package Syncfusion.EJ2.AspNet.Core

2. Register Tag Helper in ~/Pages/_ViewImports.cshtml:

@addTagHelper *, Syncfusion.EJ2

3. Add CSS and script in ~/Pages/Shared/_Layout.cshtml:

<link rel="stylesheet" href="https://cdn.syncfusion.com/ej2/fluent.css" />
<script src="https://cdn.syncfusion.com/ej2/dist/ej2.min.js"></script>

4. Add Script Manager at end of <body>:

<ejs-scripts></ejs-scripts>

5. Render the DateRangePicker:

<ejs-daterangepicker id="daterangepicker" placeholder="Select a Range"></ejs-daterangepicker>

Common Patterns

DateRangePicker with Start and End Date

@{
    var startDate = new DateTime(2022, 11, 09);
    var endDate   = new DateTime(2022, 11, 21);
}
<ejs-daterangepicker id="daterangepicker"
    startDate="startDate"
    endDate="endDate"
    placeholder="Select a Range">
</ejs-daterangepicker>

Min/Max Date Restriction

<ejs-daterangepicker id="daterangepicker"
    min="@ViewBag.minDate"
    max="@ViewBag.maxDate"
    placeholder="Enter a Range">
</ejs-daterangepicker>

Range Span Limits

<ejs-daterangepicker id="daterangepicker"
    minDays="5"
    maxDays="10"
    placeholder="Select 5–10 days">
</ejs-daterangepicker>

Strict Mode

<ejs-daterangepicker id="daterangepicker"
    strictMode="true"
    min="@ViewBag.minDate"
    max="@ViewBag.maxDate"
    startDate="@ViewBag.startDate"
    endDate="@ViewBag.endDate">
</ejs-daterangepicker>

Custom Format with Input Formats

<ejs-daterangepicker id="daterangepicker"
    format="dd/MMM/yy"
    inputFormats="@(new string[] { "dd/MM/yyyy", "yyyyMMdd" })"
    placeholder="DD/MMM/YY">
</ejs-daterangepicker>

DateRangePickerFor (Model Binding)

@model DateRangeModel
<form method="post">
    <ejs-daterangepicker id="daterangepickerFor" ejs-for="@Model.value">
    </ejs-daterangepicker>
    <ejs-button id="submitButton" content="Submit"></ejs-button>
</form>

RTL (Right-to-Left)

<ejs-daterangepicker id="daterangepicker" locale="ar" enableRtl="true"></ejs-daterangepicker>

Calendar

The Calendar is a graphical user interface control that displays a Gregorian (or Islamic) calendar, allowing users to select a date by navigating month, year, and decade views. It supports date range restriction, multi-selection, view configuration, day cell customization, globalization, RTL, accessibility, and rich styling.

Navigation Guide

Getting Started

📄 Read: references/calendar-getting-started.md

  • NuGet package installation and setup
  • Tag helper registration and script/style references
  • Basic Calendar rendering with <ejs-calendar>
  • Setting value, min, and max dates
  • Common initialization patterns (disabled, persistence, cssClass)

Calendar Views

📄 Read: references/calendar-views.md

  • Available views: Month, Year, Decade
  • start property for initial view on render
  • depth property to restrict navigation depth
  • Year picker and decade picker patterns
  • View navigation rules and constraints

Date Range

📄 Read: references/calendar-date-range.md

  • Setting min and max to restrict selectable dates
  • Out-of-range behavior and value clamping
  • Dynamic min/max updates via JavaScript
  • Future-only, past-only, and fixed range examples

Multi Selection

📄 Read: references/calendar-multi-select.md

  • Enabling multi-date selection with isMultiSelection
  • Setting pre-selected dates with values array
  • Selecting a full week using the change event
  • Handling args.values in event handlers

Customization

📄 Read: references/calendar-customization.md

  • renderDayCell event to disable or style individual cells
  • Disabling weekends
  • Highlighting specific dates with custom CSS or tooltips
  • Highlighting weekends
  • dayHeaderFormat: Short, Narrow, Abbreviated, Wide
  • firstDayOfWeek configuration
  • weekNumber and weekRule properties
  • CSS class reference table

Globalization

📄 Read: references/calendar-globalization.md

  • Setting culture with locale property
  • Loading CLDR data for non-English cultures
  • L10n localization for Today button text
  • RTL support with enableRtl (Arabic, Hebrew)
  • Islamic Calendar mode with calendarMode

Style and Appearance

📄 Read: references/calendar-style-appearance.md

  • cssClass for scoped appearance overrides
  • Background, border, hover, title, and nav icon customization
  • Today button and selected cell CSS
  • Show dates of other months with CSS
  • Complete CSS class reference

Accessibility

📄 Read: references/calendar-accessibility.md

  • WCAG 2.2 AA compliance details
  • WAI-ARIA attributes: aria-label, aria-selected, aria-disabled, aria-activedescendant
  • Full keyboard interaction table (all navigation keys)
  • Screen reader support
  • RTL and mobile device accessibility

How-To Guides

📄 Read: references/calendar-how-to.md

  • Change the first day of the week (firstDayOfWeek)
  • Customize day header format (dayHeaderFormat)
  • Render week numbers (weekNumber)
  • Select a sequence of dates (full week selection)
  • Add a clear button to the Calendar footer (created event)
  • Show dates of other months (CSS approach)
  • Skip a month on navigation (navigated event + navigateTo)

API Reference

📄 Read: references/calendar-api.md

  • All properties with types, defaults, and descriptions
  • All events (Change, Created, Destroyed, Navigated, RenderDayCell)
  • Enum reference (CalendarType, CalendarView, DayHeaderFormats, WeekRule)
  • CSS class reference table
  • Complete tag helper attribute syntax

Quick Start

1. Install NuGet package:

Install-Package Syncfusion.EJ2.AspNet.Core

2. Register Tag Helper in ~/Pages/_ViewImports.cshtml:

@addTagHelper *, Syncfusion.EJ2

3. Add CSS and script in ~/Pages/Shared/_Layout.cshtml:

<link rel="stylesheet" href="https://cdn.syncfusion.com/ej2/fluent.css" />
<script src="https://cdn.syncfusion.com/ej2/dist/ej2.min.js"></script>

4. Add Script Manager at end of <body>:

<ejs-scripts></ejs-scripts>

5. Render the Calendar:

<ejs-calendar id="calendar"></ejs-calendar>

Common Patterns

Calendar with Value, Min, and Max

@{
    var minDate   = new DateTime(DateTime.Now.Year, DateTime.Now.Month, 5);
    var maxDate   = new DateTime(DateTime.Now.Year, DateTime.Now.Month, 27);
    var todayDate = DateTime.Now;
}
<ejs-calendar id="calendar"
    value="todayDate"
    min="minDate"
    max="maxDate">
</ejs-calendar>

Year View (start in Year, drill down to Month)

<ejs-calendar id="calendar"
    start="Syncfusion.EJ2.Calendars.CalendarView.Year"
    depth="Syncfusion.EJ2.Calendars.CalendarView.Month">
</ejs-calendar>

Multi-Selection

<ejs-calendar id="calendar"
    isMultiSelection="true"
    values="@ViewBag.multiValues">
</ejs-calendar>

Disable Weekends

<ejs-calendar id="calendar" renderDayCell="disableWeekends"></ejs-calendar>
<script>
    function disableWeekends(args) {
        if (args.date.getDay() === 0 || args.date.getDay() === 6) {
            args.isDisabled = true;
        }
    }
</script>

Week Numbers with RTL

<ejs-calendar id="calendar"
    weekNumber="true"
    locale="ar"
    enableRtl="true">
</ejs-calendar>

Islamic Calendar

<ejs-calendar id="calendar"
    calendarMode="Syncfusion.EJ2.Calendars.CalendarType.Islamic">
</ejs-calendar>