protected void grdProducts_SelectedIndexChanged(object sender, EventArgs e)
{
Models.ProductView view = new Models.ProductView();
view.ProductID = grdProducts.SelectedValue.ToString();
view.ProductName = grdProducts.SelectedRow.Cells[2].Text;
view.CategoryID = ddlCategory.SelectedValue.ToString();
view.ViewCount = 1;
Application.Lock();
ProductViewList viewlist = (ProductViewList)Application[APP_KEY];
viewlist.Add(view);
BindViewGrid(viewlist.Display());
}