protected void btnSave_Click(object sender, EventArgs e)
        {
            GeneralLookup designer = new GeneralLookup();

            if (EditDesigner > 0)
            {
                designer.LoadByPrimaryKey(EditDesigner);
            }
            else
            {
                designer.AddNew();
            }
            designer.Name = txtDesignerName.Text;
            designer.Address = txtDesignerAddress.Text;
            designer.Email = txtDesignerEmail.Text;
            designer.Telephone = txtDesignerTelephone.Text;
            designer.CategoryID = 1;
            designer.Save();

            ClearFields();
            bindData();
            panelDesignersGrid.Visible = true;
            panelDesignersEdit.Visible = false;
        }