private void LoadPatients()
        {
            conn.Open();
            SqlDataAdapter da = new SqlDataAdapter("SELECT OpdNo,PatientName,FathersName,Phone,Email,DateofBirth,Gender,District,State,pincode,AadharNo FROM Patients ORDER BY OpdNo DESC", conn);
            DataTable      dt = new DataTable();

            da.Fill(dt);
            UserrecordsGridView.DataSource = dt;
            UserrecordsGridView.DataBind();
            conn.Close();
            BPSearch.Enabled    = true;
            BPRefresh.Enabled   = false;
            BPRefresh.BackColor = System.Drawing.Color.White;
            BPRefresh.ForeColor = System.Drawing.Color.DarkGray;
            BPSearch.BackColor  = Color.FromName("#c23838");
            BPSearch.ForeColor  = Color.FromName("#fff");
        }
        protected void BPRefresh_Click(object sender, EventArgs e)
        {
            conn.Open();
            SqlCommand query = new SqlCommand("SELECT OpdNo,PatientName,FathersName,Phone,Email,DateofBirth,Gender,District,State,pincode,AadharNo FROM Patients WHERE OpdNo like '%'+@OpdNo+'%' and PatientName like '%'+@Patientname+'%'", conn);

            query.Parameters.AddWithValue("Opdno", "");
            query.Parameters.AddWithValue("Patientname", "");
            DataTable      dt  = new DataTable();
            SqlDataAdapter sda = new SqlDataAdapter(query);

            sda.Fill(dt);
            UserrecordsGridView.DataSource = dt;
            UserrecordsGridView.DataBind();
            BPRefresh.Enabled         = false;
            BPSearch.Enabled          = true;
            BPRefresh.BackColor       = System.Drawing.Color.White;
            BPRefresh.ForeColor       = System.Drawing.Color.DarkGray;
            BPSearch.BackColor        = Color.FromName("#c23838");
            BPSearch.ForeColor        = Color.FromName("#fff");
            TodayAppointPanel.Visible = false;
            RecordsPanel.Visible      = false;
            PatientsPanel.Visible     = true;
        }