setProperties()
allows changing available configuration attributes of the control dynamically
setProperties(propertyConfig: ITextareaProps): void;
Parameters:
propertyConfig: object
- an object with the available attributes of the control and their new values
Example
form.getItem("textarea").setProperties({
label: "New textarea",
labelWidth: "80px",
width: 500
});
The method invokes the afterChangeProperties and beforeChangeProperties events.
It is possible to change values of the following configuration attributes of the Textarea control:
validation | (object,function) the rule of input validation |
placeholder | (string) a tip for the textarea |
readOnly | (boolean) defines whether a textarea is readonly |
width | (string|number|"content") the width of a control |
height | (string|number|"content") the height of a control |
padding | (string|number) sets padding between a cell and a border of the Textarea control |
minlength | (string|number) the minimum number of characters allowed in the textarea |
maxlength | (string|number) the maximum number of characters allowed in the textarea |
css | (string) adds style classes to a control |
label | (string) specifies a label for a control |
labelWidth | (string|number) sets the width of the label of a control |
hiddenLabel | (boolean) invisible label that will be used to identify the input on the server side |
labelPosition | (string) defines the position of a label: "left"|"top" |
required | (boolean) defines whether a control is required |
helpMessage | (string) adds a help message to a control |
preMessage | (string) a message that contains instructions for interacting with the control |
successMessage | (string) a message that appears in case of successful validation of the control value |
errorMessage | (string) a message that appears in case of error during validation of the control value |
Change log:
added in v7.0