Cannot implicitly convert type 'System.Data.DataSet' to 'Sys

Question

I want to display the 'company added jobs' in a table on the selected index change of country dropdown. but when I pass values in dataset to list,

 

it displays the error 

 

Cannot implicitly convert type 'System.Data.DataSet' to 'System.Collections.Generic.List

 

How can I convert dataset values to list?

 

model class

public class company_add_jobs
{
public int pid { get; set; }
public string Job_Name { get; set; }
public string Job_Description { get; set; }
public string Job_Type { get; set; }
public string Qualification { get; set; }
public string Salary { get; set; }
public string Vaccancy { get; set; }
public DataSet display{ get; set; }
//public int cid { get; set; }
[Display(Name = "Company")]
public int cid { get; set; }
public string Company_Name { get; set; }
public List listcompany { get; set; }
public IEnumerable companylistitems
{
get
{
return new SelectList(listcompany, "cid", "Company_Name");
}
}
}

controller.cs

[HttpGet]
public ActionResult selectcompany()
{
company_add_jobs c = new company_add_jobs();
DataSet dt = db.getcompany();
c.listcompany = dt;
c.cid = c.listcompany.First().cid;
c.Company_Name = c.listcompany.First().Company_Name;
return View(c);
}
[HttpPost]
public ActionResult selectcompany(company_add_jobs s)
{
DataSet dt = db.getcompany();
s.listcompany = dt;
var emp = s.listcompany.Where(e => e.cid == s.cid).FirstOrDefault();
s.cid = emp.cid;
DataSet ds = db.ddapplyjobs(s);
s.display = ds;
return View(s);
}

dbconnection.cs

public DataSet getcompany()
{
SqlCommand cmd = new SqlCommand("select * from company_regn", con);
SqlDataAdapter da = new SqlDataAdapter(cmd);
DataSet dt = new DataSet();
da.Fill(dt);
return dt;
}