private void BindInitialData()
        {
            // Bind users to Grid.
            WardDA wda = new WardDA();

            currentWards             = wda.GetAllWard();
            WardData_Grid.DataSource = currentWards;
            WardData_Grid.DataBind();
        }
        private void FilterDataGrid()
        {
            WardDA wda = new WardDA();

            currentWards = wda.GetAllWard();

            // Filter by ward name
            if (!string.IsNullOrEmpty(wardNameTextbox.Text))
            {
                currentWards = currentWards.Where(ward
                                                  => ward.WardName.ToUpperInvariant().Contains(wardNameTextbox.Text.ToUpperInvariant())).ToList();
            }

            if (null != currentWards)
            {
                WardData_Grid.DataSource = currentWards;
                WardData_Grid.DataBind();
            }
        }