protected void Page_Load(object sender, EventArgs e)
{
string number = Request.QueryString["MemberNumber"];
booksGridView.DataSource = aBorrowManager.GetSelectedBookList(number);
booksGridView.DataBind();
}
protected void showBorrowedBookListButton_Click(object sender, EventArgs e)
{
bookDropDownList.DataSource = aBorrowManager.GetSelectedBookList(memberNoTextBox.Text);
bookDropDownList.DataTextField = "Title";
bookDropDownList.DataValueField = "Id";
bookDropDownList.DataBind();
}