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The Xamarin.iOS Form is a data-oriented control that is used to display and edit the properties of any data object using a wide range of built-in editors for different data types. Custom editors are also supported. It simplifies the development of various forms such as login, reservation, and data entry. It supports built-in data validation and data annotation. It also provides support for linear and grid layouts, label positioning options, grouping, and more features to design the UI as required.

Xamarin.iOS DataForm

Default and Custom Editors

The Xamarin.iOS Form includes built-in support for various editors to handle different data types, as well as custom editors. Built-in editors are automatically generated based on data annotations and the type of field. The following built-in editors are available:

Text editor in Xamarin.iOS Data Form

Text Editor

Numeric editor in Xamarin.iOS Data Form

Numeric Editor

NumericUpDown editor in Xamarin.iOS Data Form

Numeric Up-Down Editor

Picker in Xamarin.iOS Data Form


Date picker in Xamarin.iOS Data Form

Date Picker

Time picker in Xamarin.iOS Data Form

Time Picker

Switch in Xamarin.iOS DataForm


Segmented Control in Xamarin.iOS DataForm

Segmented Editor

Password editor in Xamarin.iOS DataForm

Password Editor


CommitMode support in Xamari.iOS DataForm

Commit Mode

Editing support is provided with the following commit modes that determine when an edited value should be updated in the data object.

  • LostFocus
  • PropertyChanged
  • Explicit

ReadOnly support in Xamari.iOS DataForm

Read-Only Mode

The Xamarin.iOS DataForm supports read-only display mode. It also allows specific fields to be made read-only.

Converters in Xamari.iOS DataForm


Support to show the original value in a different format or as different value using converters.

Validation and Error Indication

  • Built-in support to validate data and display error information based on INotifyDataErrorInfo and data annotations.
  • Different validation modes such as LostFocus, PropertyChanged, and explicit to determine when the value should be validated.
  • Provides support for custom validations.
  • Support to display a positive message on valid data fields.
  • Support to customize validation message using custom view in DataForm.

Validation support in Xamari.iOS DataForm


  • Group data fields with captions for better categorization.
  • Expand or collapse groups to easily navigate through more data fields.
  • Each group can have different columns.

Grouping support in Xamari.iOS DataForm

Custom data fields

Support to manually generate data fields without using data object. This is used to load data from another source such as Dictionary. It also has support to read and write from/to another data source.

Custom data fields support in Xamari.iOS DataForm


Provides support for linear and grid layouts.

Linear layout support in Xamari.iOS Data Form

Linear layout

The linear layout arranges items in a single column.

Grid layout support in Xamari.iOS Data Form

Grid layout

The grid layout arranges items in a predefined number of columns.

Order of the fields support in Xamari.iOS Data Form

Order of the fields

You can change the order of the fields regardless of the position in the data object to view it in the desired position.

Regenerate data fields support in Xamari.iOS Data Form

Regenerate data fields

Support to add or remove fields and regenerate fields dynamically to show the fields only when required.


Label position customization in Xamari.iOS DataForm

Label Position

You can position the labels to the left or at the top of the editor.

Label and Editor width customization in Xamari.iOS DataForm

Label and Editor width customization

You customize the label and editor width ratio to set the width proportionally based on the requirement.

Width and Height customization in Xamari.iOS DataForm

Width and Height Customization

Support to customize each data field’s width and height for better readability.

Watermark support in Xamari.iOS DataForm


Display watermarks to guide end users.

Show or Hide Fields

Support to show or hide data form fields dynamically based on the application needs.

Image label support in Xamari.iOS DataForm

Image Label

Display labels with images for easy comprehension.

Exclude fields support in Xamari.iOS DataForm

Exclude fields

Support to exclude specific fields of a data object in UI.

Data annotation support in Xamari.iOS DataForm

Data Annotations

Options to customize data form fields based on data annotation attributes.

Customization in Xamari.iOS DataForm


Complete control over label and editor customization.


The Xamarin.iOS DataForm supports localizing label text, group name, watermark, and validation messages in the desired language.

Localization support in Xamari.iOS DataForm

Right to left(RTL)

The Xamarin.iOS DataForm supports right to left (RTL) direction for users working in right-to-left languages like Hebrew, Arabic, or Persian.

RTL support in Xamarin.iOS DataForm


  • Xamarin.Forms
  • Xamarin.Android
  • Xamarin.iOS
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