protected void Button1_Click(object sender, EventArgs e)
{
//输入异常检查
string strIn = TextBox1.Text.Trim();
//
Regex r=new Regex(@"\d{1,6}");
if(r.IsMatch(strIn) & strIn.Length!=6)
{
if (Session["lang"].ToString() == "zh-cn")
Response.Write("<script>alert('BID的长度必须是6位！');window.location.href='./Query_book.aspx'</script>");
else
Response.Write("<script>alert('The length of BID must be 6！');window.location.href='./Query_book.aspx'</script>");
return;
}
Query qr = new Query();
DataTable dtBorrowed = new DataTable();
DataTable dtUnborrowed = new DataTable();
DataTable dtBookExist = new DataTable();
//按BID or Title Query
if (r.IsMatch(strIn))
{
dtBorrowed = qr.QueryByBIDBorrowed(strIn);
dtUnborrowed = qr.QueryByBIDUnborrowed(strIn);
dtBookExist = qr.GetBookByBID(strIn);
}
else
{
dtBorrowed = qr.QueryByTitleBorrowed(strIn);
dtUnborrowed = qr.QueryByTitleUnborrowed(strIn);
dtBookExist = qr.GetBookByTitle(strIn);
}
//书籍不存在
if (dtBookExist.Rows.Count == 0)
{
if (Session["lang"].ToString() == "zh-cn")
Response.Write("<script>alert('" + TextBox1.Text.Trim() + " 不存在！');window.location.href='./Query_book.aspx'</script>");
else
Response.Write("<script>alert('" + TextBox1.Text.Trim() + " does not exist！');window.location.href='./Query_book.aspx'</script>");
return;
}
GridView1.DataSource = dtBorrowed;
GridView1.DataBind();
GridView2.DataSource = dtUnborrowed;
GridView2.DataBind();
}
