public void Updateuserid()
{
if (Session["UserID"] != null)
{
if (Session["UserID"] != "")
{
using (cart obj = new cart())
{
obj._userid = Convert.ToInt64(Session["UserID"].ToString());
obj._sessionid = Session["Current"].ToString();
obj._orderid = Convert.ToInt64("0");
obj.cart_updateuserid();
DataSet ds = new DataSet();
DataSet dsr = new DataSet();
ds = obj.cart_selectbyusoid();
dsr = obj.cart_selectbyuoid();
int i = dsr.Tables[0].Rows.Count;
int j = ds.Tables[0].Rows.Count;
if (i > j)
{
obj.cart_updatesessionid();
}
}
}
}
}