当前文件路径：MyLibary/Borrow/ReturnBook.aspx.cs

		            
 1using System;
 2using System.Data;
 3using System.Configuration;
 4using System.Collections;
 5using System.Web;
 6using System.Web.Security;
 7using System.Web.UI;
 8using System.Web.UI.WebControls;
 9using System.Web.UI.WebControls.WebParts;
10using System.Web.UI.HtmlControls;
11using MyLibrary.BusinessLogicLayer;
12
13public partial class Borrow_ReturnBook : System.Web.UI.Page
14...{
15    protected void Page_Load(object sender, EventArgs e)
16    ...{
17
18    }
19    //还书按钮单击事件
20    protected void imgBtnBorrow_Click(object sender, ImageClickEventArgs e)
21    ...{
22        if (Page.IsValid)
23        ...{
24            Borrow borrow = new Borrow();//创建Borrow对象borrow
25            borrow.BookID = int.Parse(txtBookID.Text.Trim());
26            borrow.BorrowState=1;
27            if(borrow.UpdateByProc(int.Parse(txtBookID.Text.Trim())))//使用UpdateByProc方法修改图书状态
28            ...{
29                lblMessage.Text = "还书成功！";
30            }
31            else
32            ...{
33                lblMessage.Text = "还书失败！";
34            }
35
36        }
37    }
38}
39