How to save select gender with Radio Button in MVC C#

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C#

MVC

i have 2 RadioButton with option Male and Female, i want get string value to save in database, and this my code :

RBModel.cs

[Required(ErrorMessage="Silahkan Pilih Jenis Kelamin")]
        public string JenisKelamin { get; set; }

View/Create.cs

<div>
           @Html.Label("Jenis Kelamin")
           @Html.RadioButton("rbGrp", "MALE", isChecked :true) @Html.Label("MALE")
           @Html.RadioButton("rbGrp", "FEMALE", isChecked :false) @Html.Label("FEMALE")
       </div>

if radiobutton select then save to database between MALE or FEMALE.

thx for help :-)