protected void updateButton_Click(object sender, EventArgs e)
        {
            AppMenuBLL appMenu = new AppMenuBLL();

            try
            {
                if (menuNameTextBox.Text == "")
                {
                    msgbox.Visible = true; msgTitleLabel.Text = "Validation!!!"; msgDetailLabel.Text = "Menu Name field is required.";
                }
                else if (displayNameTextBox.Text == "")
                {
                    msgbox.Visible = true; msgTitleLabel.Text = "Validation!!!"; msgDetailLabel.Text = "Display Name field is required.";
                }
                else if (urlTextBox.Text == "")
                {
                    msgbox.Visible = true; msgTitleLabel.Text = "Validation!!!"; msgDetailLabel.Text = "Menu URL field is required.";
                }
                else if (menuForAppDropDownList.Text == "")
                {
                    msgbox.Visible = true; msgTitleLabel.Text = "Validation!!!"; msgDetailLabel.Text = "Menu For App. field is required.";
                }
                else if (menuTypeDropDownList.Text == "")
                {
                    msgbox.Visible = true; msgTitleLabel.Text = "Validation!!!"; msgDetailLabel.Text = "Menu Type field is required.";
                }
                else if (menuGroupDropDownList.Text == "")
                {
                    msgbox.Visible = true; msgTitleLabel.Text = "Validation!!!"; msgDetailLabel.Text = "Menu Group field is required.";
                }
                else if (menuLevelDropDownList.Text == "")
                {
                    msgbox.Visible = true; msgTitleLabel.Text = "Validation!!!"; msgDetailLabel.Text = "Menu Level field is required.";
                }
                else if (parentMenuDropDownList.Text == "")
                {
                    msgbox.Visible = true; msgTitleLabel.Text = "Validation!!!"; msgDetailLabel.Text = "Parent Menu field is required.";
                }
                else
                {
                    appMenu.MenuId = idLabel.Text.Trim();
                    appMenu.MenuName = menuNameTextBox.Text.Trim();
                    appMenu.DisplayName = displayNameTextBox.Text.Trim();
                    appMenu.ToolTipDescription = descriptionTextBox.Text.Trim();
                    appMenu.URL = urlTextBox.Text.Trim();
                    appMenu.MenuForApp = menuForAppDropDownList.SelectedValue.Trim();
                    appMenu.MenuType = menuTypeDropDownList.SelectedValue.Trim();
                    appMenu.MenuGroupId = menuGroupDropDownList.SelectedValue.Trim();
                    appMenu.IsDisplay = menuDisplayDropDownList.SelectedValue.Trim();
                    appMenu.MenuLevel = menuLevelDropDownList.SelectedValue.Trim();
                    appMenu.ParentMenuId = parentMenuDropDownList.SelectedValue.Trim();
                    appMenu.IsDefault = menuDefaultDropDownList.SelectedValue.Trim();
                    appMenu.IsSubParent = subParentMenuDropDownList.SelectedValue.Trim();
                    appMenu.MenuTarget = menuTargetDropDownList.SelectedValue.Trim();
                    appMenu.ImageUrl = imageURLTextBox.Text.Trim();

                    if (!appMenu.CheckDuplicateMenu(menuNameTextBox.Text.Trim()))
                    {
                        appMenu.UpdateMenu();

                        appMenuIdForUpdateHiddenField.Value = "";
                        appMenuNameHiddenField.Value = "";
                        MyAlertBox("alert(\"Menu Updated Successfully.\"); window.location=\"/UI/AppMenu/MenuList.aspx\"");
                    }
                    else
                    {
                        if (appMenuNameHiddenField.Value == menuNameTextBox.Text.Trim())
                        {
                            appMenu.MenuName = "WithOut";
                            appMenu.UpdateMenu();

                            appMenuIdForUpdateHiddenField.Value = "";
                            appMenuNameHiddenField.Value = "";
                            MyAlertBox("alert(\"Menu Updated Successfully.\"); window.location=\"/UI/AppMenu/MenuList.aspx\"");
                        }
                        else
                        {
                            msgbox.Visible = true; msgTitleLabel.Text = "Data Duplicate!!!"; msgDetailLabel.Text = "This Menu already exist, try another one.";
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                msgbox.Visible = true; msgTitleLabel.Text = "Exception!!!"; msgDetailLabel.Text = ex.Message;
            }
            finally
            {
                appMenu = null;
            }
        }