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See more: ASP.NET MVC validation Razor , +

I am using ASP.NET, MVC 3, Razor
I use Remote for server validation. My problem is the checked value of RadioButton is always the value of the first RadioButton

My Model:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.ComponentModel.DataAnnotations;
using System.Web.Mvc;
namespace AdminSite.Models
    public class GroupAndCM
        public int GroupAndCMID { get; set; }
        [Display(Name = "Group")]
        [Required(ErrorMessage = "Group is required.")]
        [Remote("ValidateGroupAndCM", "AccessCtrl", AdditionalFields = "selectedCMID", HttpMethod = "Post", ErrorMessage = "Selected CM is set for this Group.")]
        public int? GroupID { get; set; }
        [Display(Name = "CM")]
        [Required(ErrorMessage = "CM is required.")]
        public int CMID { get; set; }
        public virtual Group Group { get; set; }
        public virtual CM CM { get; set; }

My View

<div class="editor-field">
            <table style="width:100%;">
                        int cnt = 0;
                        foreach (AdminSite.Models.CM cm in ViewBag.CMs)
                            if (cnt++ % 3 == 0)
                                @: </tr>

And here is my Controller

public ActionResult ValidateGroupAndCM(int groupID, int? selectedCMID)
            bool flag = true;
            int t = (int)selectedCMID;
            var query = from gc in db.GroupAndCMs
                        where gc.GroupID == groupID && gc.CMID == t
                        select gc;
            if (query.SingleOrDefault() != null)
                flag = false;
            return Json(flag, JsonRequestBehavior.AllowGet);

When user select a value from Group (DropDown), it will trigger then function ValidateGroupAndCM of controller:

public ActionResult ValidateGroupAndCM(int groupID, int? selectedCMID)

The value of "groupID" is OK, exactly as seleted value
but the "selectedCMID" is wrong, it is always return the value of the first RadioButton although the second RadioButton is selected.

This is the view rendered:

<input id="selectedCMID" name="selectedCMID" type="radio" value="1"> RadioButton1
<input id="selectedCMID" name="selectedCMID" type="radio" value="2"> RadioButton2

Please help!

Sorry for my english Smile | :)
Posted 19-Sep-12 23:51pm
Thanh Hoang at 1-Oct-12 22:12pm
Hello, anybody... help...

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