The type 'System.Data.SqlClient.SqlDataReader' has no constr

Question

Hai all i tried something like this

 

[HttpPost]

public ActionResult editpersonaldetails(tb_userpersonaldata obj)

{

DataTable dt = new DataTable();

Guid userid = (Guid)Session["userid"];

string s = "select * from tb_userpersonaldata where userid='" + userid + "'";

SqlConnection con = new SqlConnection();

SqlCommand cmd = new SqlCommand(s, con);

con.Open();

SqlDataReader dr;

dr = new SqlDataReader();

dt.Load(dr);

dr.Close();

con.Close();

 

can any one  

return View();

}

 

bbut it says The type 'System.Data.SqlClient.SqlDataReader' has no constructor ..i m not able to find the bug...can any suggestions??

 

TIA