Ext.NET provides support for both client-side and server-side (remote) validation. Here we provide an overview of available constraints, validation message appearance configuration, some of the different validation types, and custom validators.
Some fields allow defining the range of acceptable values. TextField
and TextArea
have MinLength
/MaxLength
. NumberField
has MinValue
/MaxValue
. DateField
has MinDate
/MaxDate
as well as options to disable specific dates. These properties help to alert the user if the entered value is beyond these bounds.
TextField
also has the additional property, EnforceMaxLength
, which can be set to true
to set maxlength
on the underlying HTML input to constraint what you type.
In addition, text fields have a MaskRe
property for configuring a regular expression used to filter keystrokes that do not match. It does not, however, filter characters already in the input. There is a similar property called StripCharsRe
, which...