public void binddata()
    {
        try
        {
            DateTime selecteddate = Convert.ToDateTime(TextBox1.Text);
            DateTime today        = DateTime.Now;
            string   slotdate     = TextBox1.Text;

            String Time3         = today.ToString("HH:mm");
            string tym_two       = "09:30";
            string tym_three     = "10:00";
            string tym_four      = "10:30";
            string tym_five      = "11:00";
            string tym_six       = "11:30";
            string tym_seven     = "12:00";
            string tym_twlve     = "14:30";
            string tym_thirteen  = "15:00";
            string tym_fourteen  = "15:30";
            string tym_fifteen   = "16:00";
            string tym_sixteen   = "16:30";
            string tym_seventeen = "17:00";

            TimeSpan first     = TimeSpan.Parse(Time3);
            TimeSpan second    = TimeSpan.Parse(tym_two);
            TimeSpan three     = TimeSpan.Parse(tym_three);
            TimeSpan four      = TimeSpan.Parse(tym_four);
            TimeSpan five      = TimeSpan.Parse(tym_five);
            TimeSpan six       = TimeSpan.Parse(tym_six);
            TimeSpan seven     = TimeSpan.Parse(tym_seven);
            TimeSpan twelve    = TimeSpan.Parse(tym_twlve);
            TimeSpan thirteen  = TimeSpan.Parse(tym_thirteen);
            TimeSpan fourteen  = TimeSpan.Parse(tym_fourteen);
            TimeSpan fifteen   = TimeSpan.Parse(tym_fifteen);
            TimeSpan sixteen   = TimeSpan.Parse(tym_sixteen);
            TimeSpan seventeen = TimeSpan.Parse(tym_seventeen);

            DataSet ds = new DataSet();
            ds = obj.GetAppointmentDetails(slotdate);
            //string slottime11 = string.Empty;
            string slotdate11 = string.Empty;

            List <string> slottime11 = new List <string>();


            for (int i = 0; i < ds.Tables[0].Rows.Count; i++)
            {
                slottime11.Add(ds.Tables[0].Rows[i][0].ToString());

                slotdate11 = ds.Tables[0].Rows[i][1].ToString();
            }
            if (slotdate.Equals(slotdate11))
            {
                if (slottime11.Contains("09:00-09:30"))
                {
                    Button2.Style.Add("background-color", "red");
                    Button2.Visible = true;
                    Button2.Enabled = false;
                }
                else
                {
                    Button2.Style.Add("background-color", "green");
                    Button2.Visible = true;
                }

                if (slottime11.Contains("09:30-10:00"))
                {
                    Button3.Style.Add("background-color", "red");
                    Button3.Visible = true;
                    Button3.Enabled = false;
                }
                else
                {
                    Button3.Style.Add("background-color", "green");
                    Button3.Visible = true;
                }

                if (slottime11.Contains("10:00-10:30"))
                {
                    Button4.Style.Add("background-color", "red");
                    Button4.Visible = true;
                    Button4.Enabled = false;
                }
                else
                {
                    Button4.Style.Add("background-color", "green");
                    Button4.Visible = true;
                }

                if (slottime11.Contains("10:30-11:00"))
                {
                    Button5.Style.Add("background-color", "red");
                    Button5.Visible = true;
                    Button5.Enabled = false;
                }
                else
                {
                    Button5.Style.Add("background-color", "green");
                    Button5.Visible = true;
                }


                if (slottime11.Contains("11:00-11:30"))
                {
                    Button6.Style.Add("background-color", "red");
                    Button6.Visible = true;
                    Button6.Enabled = false;
                }
                else
                {
                    Button6.Style.Add("background-color", "green");
                    Button6.Visible = true;
                }

                if (slottime11.Contains("11:30-12:00"))
                {
                    Button7.Style.Add("background-color", "red");
                    Button7.Visible = true;
                    Button7.Enabled = false;
                }
                else
                {
                    Button7.Style.Add("background-color", "green");
                    Button7.Visible = true;
                }

                if (slottime11.Contains("14:00-14:30"))
                {
                    Button12.Style.Add("background-color", "red");
                    Button12.Visible = true;
                    Button12.Enabled = false;
                }
                else
                {
                    Button12.Style.Add("background-color", "green");
                    Button12.Visible = true;
                }

                if (slottime11.Contains("14:30-15:00"))
                {
                    Button13.Style.Add("background-color", "red");
                    Button13.Visible = true;
                    Button13.Enabled = false;
                }
                else
                {
                    Button13.Style.Add("background-color", "green");
                    Button13.Visible = true;
                }

                if (slottime11.Contains("15:00-15:30"))
                {
                    Button14.Style.Add("background-color", "red");
                    Button14.Visible = true;
                    Button14.Enabled = false;
                }
                else
                {
                    Button14.Style.Add("background-color", "green");
                    Button14.Visible = true;
                }

                if (slottime11.Contains("15:30-16:00"))
                {
                    Button15.Style.Add("background-color", "red");
                    Button15.Visible = true;
                    Button15.Enabled = false;
                }
                else
                {
                    Button15.Style.Add("background-color", "green");
                    Button15.Visible = true;
                }

                if (slottime11.Contains("16:00-16:30"))
                {
                    Button16.Style.Add("background-color", "red");
                    Button16.Visible = true;
                    Button16.Enabled = false;
                }
                else
                {
                    Button16.Style.Add("background-color", "green");
                    Button16.Visible = true;
                }

                if (slottime11.Contains("16:30-17:00"))
                {
                    Button17.Style.Add("background-color", "red");
                    Button17.Visible = true;
                    Button17.Enabled = false;
                }
                else
                {
                    Button17.Style.Add("background-color", "green");
                    Button17.Visible = true;
                }
            }

            else
            {
                Button2.Style.Add("background-color", "green");
                Button3.Style.Add("background-color", "green");
                Button4.Style.Add("background-color", "green");
                Button5.Style.Add("background-color", "green");
                Button6.Style.Add("background-color", "green");
                Button7.Style.Add("background-color", "green");
                Button12.Style.Add("background-color", "green");
                Button13.Style.Add("background-color", "green");
                Button14.Style.Add("background-color", "green");
                Button15.Style.Add("background-color", "green");
                Button16.Style.Add("background-color", "green");
                Button17.Style.Add("background-color", "green");
                Button2.Visible  = true;
                Button3.Visible  = true;
                Button4.Visible  = true;
                Button5.Visible  = true;
                Button6.Visible  = true;
                Button7.Visible  = true;
                Button12.Visible = true;
                Button13.Visible = true;
                Button14.Visible = true;
                Button15.Visible = true;
                Button16.Visible = true;
                Button17.Visible = true;

                Button2.Enabled  = true;
                Button3.Enabled  = true;
                Button4.Enabled  = true;
                Button5.Enabled  = true;
                Button6.Enabled  = true;
                Button7.Enabled  = true;
                Button12.Enabled = true;
                Button13.Enabled = true;
                Button14.Enabled = true;
                Button15.Enabled = true;
                Button16.Enabled = true;
                Button17.Enabled = true;
            }

            DateTime dt1 = DateTime.Parse(slotdate);
            if (DateTime.Now >= dt1)
            {
                if (first.CompareTo(second) == 1)
                {
                    Button2.Style.Add("background-color", "orange");
                    Button2.Visible = true;
                    Button2.Enabled = false;
                }

                if (first.CompareTo(three) == 1)
                {
                    Button3.Style.Add("background-color", "orange");
                    Button3.Visible = true;
                    Button3.Enabled = false;
                }

                if (first.CompareTo(four) == 1)
                {
                    Button4.Style.Add("background-color", "orange");
                    Button4.Visible = true;
                    Button4.Enabled = false;
                }

                if (first.CompareTo(five) == 1)
                {
                    Button5.Style.Add("background-color", "orange");
                    Button5.Visible = true;
                    Button5.Enabled = false;
                }

                if (first.CompareTo(six) == 1)
                {
                    Button6.Style.Add("background-color", "orange");
                    Button6.Visible = true;
                    Button6.Enabled = false;
                }

                if (first.CompareTo(seven) == 1)
                {
                    Button7.Style.Add("background-color", "orange");
                    Button7.Visible = true;
                    Button7.Enabled = false;
                }

                if (first.CompareTo(twelve) == 1)
                {
                    Button12.Style.Add("background-color", "orange");
                    Button12.Visible = true;
                    Button12.Enabled = false;
                }

                if (first.CompareTo(thirteen) == 1)
                {
                    Button13.Style.Add("background-color", "orange");
                    Button13.Visible = true;
                    Button13.Enabled = false;
                }

                if (first.CompareTo(fourteen) == 1)
                {
                    Button14.Style.Add("background-color", "orange");
                    Button14.Visible = true;
                    Button14.Enabled = false;
                }

                if (first.CompareTo(fifteen) == 1)
                {
                    Button15.Style.Add("background-color", "orange");
                    Button15.Visible = true;
                    Button15.Enabled = false;
                }

                if (first.CompareTo(sixteen) == 1)
                {
                    Button16.Style.Add("background-color", "orange");
                    Button16.Visible = true;
                    Button16.Enabled = false;
                }

                if (first.CompareTo(seventeen) == 1)
                {
                    Button17.Style.Add("background-color", "orange");
                    Button17.Visible = true;
                    Button17.Enabled = false;
                }
            }

            Label1.Visible = true;
            Label2.Visible = true;
            //Button2.Visible = false;
            //Button3.Visible = false;
            //Button4.Visible = false;
            //Button5.Visible = false;
            //Button6.Visible = false;
            //Button7.Visible = false;
            //Button12.Visible = false;
            //Button13.Visible = false;
            //Button14.Visible = false;
            //Button15.Visible = false;
            //Button16.Visible = false;
            //Button17.Visible = false;
        }
        catch (Exception e)
        {
        }
    }