//查询书籍
//还书操作
protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
DataKey keys = GridView1.DataKeys[e.RowIndex];
string bid = keys.Value.ToString();
//还书
Operation op = new Operation();
Query qr = new Query();
string psid = qr.GetPSIDByBID(bid);
string employeeName = op.PSIDToName(psid);
op.Return(bid);
int StillCanBorrow = op.CanBorrowNum(psid);
TextBox1.Text = "";
if (Session["lang"].ToString() == "zh-cn")
Response.Write("<script>alert('还书成功！" + employeeName + " 仍然可以借阅 " + StillCanBorrow + " books.');window.location.href='./Query_employee.aspx'</script>");
else
Response.Write("<script>alert('Return success！"+employeeName+" still can borrow " + StillCanBorrow + " books.');window.location.href='./Query_employee.aspx'</script>");
}
//借书操作
protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
DataKey keys = GridView1.DataKeys[e.RowIndex];
string psid = keys.Value.ToString();
Operation op = new Operation();
//达到最大借阅量，借阅失败
string employeeName = op.PSIDToName(psid);
if(!op.Borrow(psid,Session["BID"].ToString()))
{
if (Session["lang"].ToString() == "zh-cn")
Response.Write("<script>alert('借阅失败！" + employeeName + " 已经达到最大借阅量！');window.location.href='./Query_employee.aspx'</script>");
else
Response.Write("<script>alert('Borrow failed！"+employeeName+" already reach the MaxBorrowNumber！');window.location.href='./Query_employee.aspx'</script>");
}
//借阅成功
else
{
if (Session["lang"].ToString() == "zh-cn")
Response.Write("<script>alert('借阅成功！" + employeeName + " 还可以继续借阅 " + op.CanBorrowNum(psid) + " books.');window.location.href='./Query_employee.aspx'</script>");
else
Response.Write("<script>alert('Borrow success！" + employeeName + " still can borrow " + op.CanBorrowNum(psid) + " books.');window.location.href='./Query_employee.aspx'</script>");
}
}
