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What is the purpose of ValueChangeMode in SfNumericTextBox?

Platform: WinRT |
Control: SfNumericTextBox |
Published Date: March 30, 2016 |
Last Revised Date: March 30, 2016 |
.NET Framework: 4.5 |
Product Version: 13.4.0.53

The ValueChangeMode property is used to update the value property when a key is pressed or focus is lost. It contains two options described below:

  1. OnLostFocus
  2. OnKeyFocus

OnkeyFocus: When the ValueChangeMode is OnKeyFocus, the value will be changed for each keypress. The following code demonstrates how to set the ValueChangeMode as OnKeyFocus.

XAML:

 

C#:

 

 

OnLostFocus: The value in the SfNumericTextBox change will be updated when the control is no longer focused. The following code demonstrate how to set the ValueChangedMode property as OnLostFocus.

XAML:

<Page

x:Class="Windows_new.MainPage"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

xmlns:local="using:Windows_new"

xmlns:d="http://schemas.microsoft.com/expression/blend/2008"

xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"

xmlns:editors="using:Syncfusion.UI.Xaml.Controls.Input"

mc:Ignorable="d">

<Grid x:Name="Grid1" Background="Black">

<editors:SfNumericTextBox x:Name="NumericTextBox1" Width="200" Height="23" ValueChangedMode="OnLostFocus"/>

</Grid>

</Page>

 

C#:

using Syncfusion.UI.Xaml.Controls.Input;

// The Blank Page item template is documented at http://go.microsoft.com/fwlink/?LinkId=234238

namespace Windows_new

{

/// <summary>

/// An empty page that can be used on its own or navigated to within a Frame.

/// </summary>

public sealed partial class MainPage : Page

{

public MainPage()

{

this.InitializeComponent();

 

SfNumericTextBox NumericTextBox1 = new SfNumericTextBox();

NumericTextBox1.Width = 200;

NumericTextBox1.Height = 23;

NumericTextBox1.ValueChangedMode = ValueChange.OnLostFocus;

Grid1.Children.Add(NumericTextBox1);

}

}

}

 

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