dynamic checkboxlist in mvc razor

CS0103: The name 'i' does not exist in the current context

{
 public class ClaimModel
    {
        
        public List<ToolsIDCheck> ItemViewDataModel { get; set; }
        

    }

    public class ToolsIDCheck
    {
        public string ToolsName { get; set; }
        public int Toolsno { get; set; }
        public bool Selected { get; set; }
    }

  
}

[HttpGet]
        public ActionResult Create(string model)
        {

ClaimModel obj = new ClaimModel();
 obj.ItemViewDataModel = new List<ToolsIDCheck>();

            List<ClaimModel> choiceList = new List<ClaimModel>();
           
            DataSet ds2 = obj.BindTools();
             foreach (DataRow dr in ds2.Tables[0].Rows) // loop for adding add from dataset to list<modeldata>

            {
                  obj.ItemViewDataModel.Add(new ToolsIDCheck
               
                {
                    Toolsno = Convert.ToInt16(dr["tool_id"]),
                    ToolsName = dr["tools_name"].ToString()

                });
             }
}

@model CustomerPortal.Models.ClaimModel
@using (Html.BeginForm())
{   

<div class="divnewtxt">

for (var i = 0; i < Model.ItemViewDataModel.Count; i++)
    {
        @Html.HiddenFor(model => model.ItemViewDataModel[i].Toolsno)
        @Html.HiddenFor(model => model.ItemViewDataModel[i].ToolsName)           
        @Html.CheckBoxFor(model => model.ItemViewDataModel[i].Selected)
        @Html.DisplayFor(model => model.ItemViewDataModel[i].ToolsName)
    <br />
    }
                              
              }                  </div>