protected void allDeletedListButton_Click(object sender, EventArgs e)
        {
            UserGroupBLL userGroup = new UserGroupBLL();

            try
            {
                string fromDate = LumexLibraryManager.ParseAppDate(fromDateTextBox.Text.Trim());
                string toDate   = LumexLibraryManager.ParseAppDate(toDateTextBox.Text.Trim());

                DataTable dt = userGroup.GetDeletedUserGroupListByDateRangeAll(fromDate, toDate, "All");

                deletedListGridView.DataSource = dt;
                deletedListGridView.DataBind();

                if (deletedListGridView.Rows.Count > 0)
                {
                    deletedListGridView.UseAccessibleHeader    = true;
                    deletedListGridView.HeaderRow.TableSection = TableRowSection.TableHeader;
                }
                else
                {
                    msgbox.Attributes.Add("Class", "alert alert-warning"); msgbox.Visible = true; msgTitleLabel.Text = "Data Not Found!!!"; msgDetailLabel.Text = "";
                }
            }
            catch (Exception ex)
            {
                msgbox.Attributes.Add("Class", "alert alert-warning"); msgbox.Visible = true; msgTitleLabel.Text = "Exception!!!"; msgDetailLabel.Text = ex.Message;
            }
            finally
            {
                userGroup = null;
            }
        }