Data not stored in database

using System;

using System.Collections;

using System.Configuration;

using System.Data;

using System.Linq;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.HtmlControls;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Xml.Linq;

using System.Data.SqlClient;

using System.Drawing;

public partial class allrishteymaster : System.Web.UI.MasterPage

{

    string constr = ConfigurationManager.ConnectionStrings["constr"].ToString();

    protected void Page_Load(object sender, EventArgs e)

    {

        //start making session

        Session["email"] = Textmail;

        Session["password"] = Textpassword;

        Session["profilefor"] = profilefor;

        Session["name"] = Textusername;

        Session["gender"] = Radiomale;

        Session["gender"] = Radiofemale;

        Session["dd"] = dd;

        Session["mm"] = mm;

        Session["yy"] = yy;

        Session["religion"] = religion;

        Session["mothertongue"] = mothertongue;

        Session["livingin"] = livingin;

        //end making session

    }

    protected void regissub_Click(object sender, EventArgs e)

    {

        SqlConnection con = new SqlConnection(constr);

        con.Open();

        SqlDataAdapter da = new SqlDataAdapter("select email from userregisteration where email='" + Textmail + "'", con);

        DataSet ds = new DataSet();

        da.Fill(ds, "userregisteration");

        if (ds.Tables[0].Rows.Count > 0)

        {

            error.Text = "User Name Already Exits";

        }

        else if (Checkbox1.Checked == true)

        {

            SqlCommand cmd = new SqlCommand("insert into userregisteration(uid,email,password,prpofilefor,username,gender,dob,religion,mothertongue,livingin) values(@uid,@email,@password,@prpofilefor,@username,@gender,@dob,@religion,@mothertongue,@livingin)", con);

            cmd.Parameters.Add(new SqlParameter("@uid", Session["uid"]));

            cmd.Parameters.Add(new SqlParameter("@email", Textmail));

            cmd.Parameters.Add(new SqlParameter("@password", Textpassword));

            cmd.Parameters.Add(new SqlParameter("@prpofilefor", profilefor));

            cmd.Parameters.Add(new SqlParameter("@username", Textusername));

            cmd.Parameters.Add(new SqlParameter("@gender", Radiomale));

            cmd.Parameters.Add(new SqlParameter("@gender", Radiofemale));

            cmd.Parameters.Add(new SqlParameter("@dob", dd.SelectedIndex + "-" + mm.SelectedIndex + "-" + yy));

            cmd.Parameters.Add(new SqlParameter("@religion", religion));

            cmd.Parameters.Add(new SqlParameter("@mothertongue", mothertongue));

            cmd.Parameters.Add(new SqlParameter("@livingin", livingin));

            //cmd.ExecuteNonQuery();

            con.Close();

            Response.Redirect("RgistrationProfile2.aspx");

        }

        else

        {

            error.Text = "Please Select Privacy Policy and T&C";

        }

 

    }

   

}