What Is Wrong Wd Ds..On Run It Is Showing Username Is Not Correct But I M Using Same Username I.E. Admin

protected void Button1_Click(object sender, EventArgs e)
        {

            SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["ABCConnectionString2"].ConnectionString);
            conn.Open();
            string chkuser = "select count(*) from Admin_login where uname='" + TextBox1.Text + "'  ";
            SqlCommand com = new SqlCommand(chkuser, conn);
            int temp = Convert.ToInt32(com.ExecuteScalar().ToString());
            conn.Close();
            if (temp == 1)
            {
                conn.Open();
                string checkpassword = " select pass from Admin_login where uname='" + TextBox1.Text + "'  ";
                SqlCommand PassCom = new SqlCommand(checkpassword, conn);
                string passwd = PassCom.ExecuteScalar().ToString().Replace(" ", "");
                if (passwd == TextBox2.Text)
                {
                    //Session["New"] = TextBox1.Text;
                    //Response.Write("password is correct");
                    Response.Redirect("Details.aspx");
                }
                else
                {
                    Response.Write("password is InCorrect");
                }
            }
            else
            {
                Response.Write("username is InCorrect");
            }
        }
    }