Set cursor position while focus on the input textbox in ASP.NET MVC MaskedTextBox control

By default, on focusing the MaskedTextBox the entire mask gets selected. You can customize by using any one of the following methods:

Setting cursor position at the start of the MaskedTextBox.
Setting cursor position at the end of the MaskedTextBox.
Setting cursor at the specified position in the MaskedTextBox.

Following is an example that demonstrates the above cases to set cursor position in the MaskedTextBox using focus event.

razor

cursorPosition.cs

@Html.EJS().MaskedTextBox("mask1").Mask("00000-00000").Value("93828-32132").Placeholder("Default cursor position").FloatLabelType(Syncfusion.EJ2.Inputs.FloatLabelType.Always).Render()
@Html.EJS().MaskedTextBox("mask2").Mask("00000-00000").Value("83929-43427").Placeholder("Cursor positioned at start").FloatLabelType(Syncfusion.EJ2.Inputs.FloatLabelType.Always).Focus("onfocus").Render()
@Html.EJS().MaskedTextBox("mask3").Mask("00000-00000").Value("83929-32131").Placeholder("Cursor positioned at end").FloatLabelType(Syncfusion.EJ2.Inputs.FloatLabelType.Always).Focus("onfocus1").Render()
@Html.EJS().MaskedTextBox("mask4").Mask("+1 000-000-0000").Value("234-432-4324").Placeholder("Cursor at specified position").FloatLabelType(Syncfusion.EJ2.Inputs.FloatLabelType.Always).Focus("onfocus2").Render()


<script>

    function onfocus(args) {
        //sets cursor position at start of MaskedTextBox
        args.selectionEnd = args.selectionStart;
    }

    function onfocus1(args) {
        //sets cursor position at end of MaskedTextBox
        args.selectionStart = args.selectionEnd;
    }

    function onfocus2(args) {
        //sets cursor at specified position
        args.selectionStart = 3;
        args.selectionEnd = 3;
    }

</script>

public ActionResult cursorPosition()
{
    return View();
}

Output be like the below.

MaskedTextBox Sample

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