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Prevent nullable input in NumericTextBox in ASP.NET MVC NumericTextBox control

19 Oct 2021 / 1 minute to read

By default, the value of the NumericTextBox sets to null. In some applications, the value of the NumericTextBox should not be null at any instance. In such cases, following sample can be used to prevent nullable input in NumericTextBox.

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    function onCreate(args) {
        if (this.value == null) {
            this.value = 0;
    function onBlur(args) {
        if (args.value == null) {
            numeric.value = 0;
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public ActionResult nullableInput()
    return View();

Output be like the below.

NumericTextBox Sample