Assign Nullable Value

The null values can be set in SfNumericTextBox Value property, by setting AllowNull property value to true.

NOTE

By default, the property value is false.

c#

[C#]

numericTextBox.AllowNull = true;

Set Hint Text

The WaterMark property can be used to provide a hint that helps the user to get started with their input. The watermark text is visible when value is empty or null.

c#

[C#]
	
numericTextBox.WaterMark = "Principal Amount";