Pass the selected single row from gridview to another page.

// First page in which select the chekbox for passing value to another page .

protected void Gridvaluepass_Click(object sender, EventArgs e)
    {
        ArrayList selectedValues = new ArrayList();
        foreach (GridViewRow row in GridView1.Rows)
        {
            bool result = ((CheckBox)row.FindControl("CheckBox1")).Checked;      // finds the selected checkbox control
            if (result)
            {
                int categoryID = Convert.ToInt32(((Label)row.FindControl("Label10")).Text);        // find the selected row value control which is unique
                selectedValues.Add(categoryID);
            }
        }
        Session["SELECTEDVALUES"] = selectedValues;         // pass the selected value with the help of session
        Session["view"] = "view";
        Response.Redirect("complaint.aspx");
    }




// Second page which displays the selected value of previous page

  protected void Page_Load(object sender, EventArgs e)
    {

 if (Session["SELECTEDVALUES"] != null )                       // check that session is available or not

            {
                ArrayList selectedValues = (ArrayList)Session["SELECTEDVALUES"];

                foreach (int intValue in selectedValues)
                {
                    maincall(intValue);
                }
      }        
}
  public void maincall(int intValue)
    {
        con.Open();
        string s = " select cno,name,type,zone,ward,pno,lmark,mob,ticket,tstatus from complaint1 where id='"+intValue.ToString()+"' ";
        SqlDataAdapter da=new SqlDataAdapter(s,con);
        DataSet ds=new DataSet();
        da.Fill(ds);
        TextBox1.Text=ds.Tables[0].Rows[0]["cno"].ToString();
        TextBox2.Text=ds.Tables[0].Rows[0]["name"].ToString();
        TextBox8.Text = ds.Tables[0].Rows[0]["mob"].ToString();
        TextBox9.Text = ds.Tables[0].Rows[0]["ticket"].ToString();
        DropDownList1.SelectedItem.Text = ds.Tables[0].Rows[0]["tstatus"].ToString();
        DropDownList2.SelectedItem.Text = ds.Tables[0].Rows[0]["zone"].ToString();
        DropDownList3.SelectedItem.Text = ds.Tables[0].Rows[0]["ward"].ToString();
        DropDownList4.SelectedItem.Text = ds.Tables[0].Rows[0]["type"].ToString();
        con.Close();
    }