ASP.NET

<Required>
<StringLength(80)>
<MaxLength(80)>
Public Property LoginID As String
   Get
      Return mLoginID
   End Get
   Set(value As String)
      mLoginID = value
   End Set

End Property

public class RegisterExternalLoginModel
{
    [Required]
    [Display(Name = "User name")]
    public string UserName { get; set; }        
    public string ExternalLoginData { get; set; }
}

<script type="text/javascript">
        $(function () {
            var grid  =  $('.single-select').DataTable({
                'lengthMenu': ['500']
            });

            $('.single-select tbody').on('click', 'tr', function () {
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                    $('#Id1').val('');
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                }
            });

            var cId = $('#Id').val();

            if (cuId > 0) {
                $("#grid.single-select")
                    .find("[id='" + cId + "']")
                    .addClass('selected');
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                'lengthMenu': ['500']
            });
            $('# dSelect tbody').on('click', 'tr', function () {
                if ($(this).hasClass('selected')) {
                    $(this).removeClass('selected');
                    $('#mId').val('');
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                    dGrid.$('tr.selected').removeClass('selected');
                    $(this).addClass('selected');
                    $('#mId').val($(this).attr('id'));
                }
            });

<script type="text/javascript">
        $(function () {
            var s = $(".Step");
            var nOS = s.length;
            var csIdx = @Model.csIdx;
            var cS = s [csIdx];
            $('#sCount').val(nOS);


            $(cS).fadeIn(); 


            if (csIdx > 0) {
                $("button[name='prev']").show();
                $("button[name='cancel']").show();
            }

            if (csIdx < nOS - 1) {
                $("button[name='next']").show();
                $("button[name='cancel']").show();
            }
            else {
                $("button[name='finish']").show();
            }

            $("button[name='next'],button[name='finish']").click(function () {

                var $step = $(".Step:visible"); 


                var ifError = false;
                $step.find("input,textarea,select").each(function () {
  if (!$(this).validationEngine('validate')) {                         ifError = true;
                    }

                });

                if (ifError)
                    return false; });

$("button[name='next'],button[name='finish']").click(function () {