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protected void btnGetBingoNum_Click(object sender, EventArgs e)
{
ArrayList list = new ArrayList();
DataSet ds = bll_cou.GetAllCoupon();
if (ds != null && ds.Tables.Count > 0 && ds.Tables[0].Rows.Count > 0)
{
for (int i = 0; i < ds.Tables[0].Rows.Count; i++)
{
list.Add(ds.Tables[0].Rows[i]["Code"].ToString());
}
//list 是一堆 已经生成的 随机码
if (txtCoupon1.Text != "") //txtCoupon1.Text 为在那堆随机码里生成多少个有效的
{
int count = int.Parse(txtCoupon1.Text.Trim());
if (count < list.Count)
{
for (int i = 0; i < count; i++)
{
Random rand = new Random();
int index = rand.Next(0,list.Count);
ProcessGetBingo(list, index, ds);
list.Remove(list[index]);
}
}
}
}
BindGv();
txtCoupon1.Text = "";
}
protected void ProcessGetBingo(ArrayList list,int index,DataSet ds)
{
if (IsExistCode(list[index].ToString()))
{
DataSet ds_c = bll_cou.GetCouponByCode(list[index].ToString());
if (ds_c != null && ds_c.Tables.Count > 0 && ds_c.Tables[0].Rows.Count > 0)
{
if (ds_c.Tables[0].Rows[0]["IsBingo"].ToString() == "0")
{
UpdateBingoNum(ds_c); //更新
}
else
{
index = new Random().Next(0,list.Count);
ProcessGetBingo(list, index, ds);
}
}
}
}