Class ValidationHelper

Implements validation for user input through built-in validation or events of SfDataGrid.

Inheritance
System.Object
ValidationHelper
Implements
System.IDisposable
Namespace: Syncfusion.UI.Xaml.Grid
Assembly: Syncfusion.SfGrid.UWP.dll
Syntax
public class ValidationHelper : Object, IDisposable

Constructors

ValidationHelper(SfDataGrid)

Initializes a new instance of ValidationHelper class.

Declaration
public ValidationHelper(SfDataGrid datagrid)
Parameters
Type Name Description
SfDataGrid datagrid

The SfDataGrid.

Properties

ActiveGrid

Gets or sets the reference to the currently active SfDataGrid during validation.

Declaration
public static SfDataGrid ActiveGrid { get; set; }
Property Value
Type Description
SfDataGrid

The reference to the currently active SfDataGrid.

IsCurrentCellValidated

Gets or sets the value that indicates the validation status of current cell.

Declaration
public static bool IsCurrentCellValidated { get; }
Property Value
Type Description
System.Boolean

Returns true if the current cell validation is successful; otherwise, false.

IsCurrentRowValidated

Gets or sets the value that indicates the validation status of current row.

Declaration
public static bool IsCurrentRowValidated { get; }
Property Value
Type Description
System.Boolean

Returns true if the current row validation is successful; otherwise, false.

IsFocusSetBack

Gets or sets the value that indicates to prevent the CurrentCellValidating and RowValidating events to be raised more than once when click on FilterToggleButton.

Declaration
public static bool IsFocusSetBack { get; }
Property Value
Type Description
System.Boolean
Remarks

If IsFocusSetBack true then end user can't move out of the current cell by Pointer pressed on GridCell. While do key navigation and click on FilterToggleButton IsFocusSetBack needs to be in false to do Validation.

Methods

Dispose()

Releases all the resources used by the ValidationHelper class.

Declaration
public void Dispose()

Dispose(Boolean)

Disposes all the resources used by the ValidationHelper class.

Declaration
protected virtual void Dispose(bool isDisposing)
Parameters
Type Name Description
System.Boolean isDisposing

Indicates whether the call is from Dispose method or from a finalizer.

SetCurrentCellValidated(Boolean)

Sets the ActiveGrid and IsCurrentCellValidated value.

Declaration
public void SetCurrentCellValidated(bool isCellValidated)
Parameters
Type Name Description
System.Boolean isCellValidated

Indicates whether the current cell validation is successful.

SetCurrentRowValidated(Boolean)

Sets the ActiveGrid and IsCurrentRowValidated value.

Declaration
public void SetCurrentRowValidated(bool isRowValidated)
Parameters
Type Name Description
System.Boolean isRowValidated

Indicates whether the current row validation is successful.

Implements

System.IDisposable

Extension Methods