1、 在数据库中建立一个test数据库,在test数据库中建立一个book_info表。
Book_name varchar(100)
Author varchar(50)
Press varchar(50)
Press_date varchar(20)
Image varchar(30)
2、 制作一个如下页面:
当单击“插入图书信息”按钮时,将用户的信息保存到book_info表中。注意:封面图片要求先上传到网站根目录下的“upload”文件夹中,再将图片在网站中的相对路径保存到数据库book_info表的Image字段中。
布局代码:
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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
< html xmlns = "http://www.w3.org/1999/xhtml" >
< head runat = "server" >
< title ></ title >
</ head >
< body >
< form id = "form1" runat = "server" >
< table >
< tr >
< td >< asp:Label ID = "Label1" runat = "server" Text = "书名:" ></ asp:Label ></ td >
< td >< asp:TextBox ID = "TextBox1"
runat = "server" ></ asp:TextBox >
</ td >
</ tr >
< tr >
< td >< asp:Label ID = "Label2" runat = "server" Text = "作者:" ></ asp:Label ></ td >
< td > < asp:TextBox ID = "TextBox2"
runat = "server" ></ asp:TextBox ></ td >
</ tr >
< tr >
< td > < asp:Label ID = "Label3" runat = "server" Text = "出版社:" ></ asp:Label ></ td >
< td >< asp:DropDownList ID = "DropDownList1" runat = "server" AutoPostBack = "True" >
< asp:ListItem >清华大学出版社</ asp:ListItem >
< asp:ListItem >机械工业出版社</ asp:ListItem >
< asp:ListItem >人民邮电出版社</ asp:ListItem >
< asp:ListItem >电子工业出版社</ asp:ListItem >
</ asp:DropDownList ></ td >
</ tr >
< tr >
< td >< asp:Label ID = "Label4" runat = "server" Text = "出版日期:" ></ asp:Label ></ td >
< td >< asp:Calendar ID = "Calendar1" runat = "server" ></ asp:Calendar ></ td >
</ tr >
< tr >
< td >
< asp:Label ID = "Label5" runat = "server" Text = "封面图片:" ></ asp:Label ></ td >
< td >
< asp:FileUpload ID = "FileUpload1" runat = "server" /></ td >
</ tr >
< tr >
< td ></ td >
< td >
< asp:Button ID = "Button1" runat = "server" Text = "插入图片信息" onclick = "Button1_Click" /></ td >
</ tr >
</ table >
</ form >
</ body >
</ html >
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cs代码
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.SqlClient;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load( object sender, EventArgs e)
{
}
protected void Button1_Click( object sender, EventArgs e)
{
string savePath = Server.MapPath( "~/images/" );
if (FileUpload1.HasFile)
{
String fileName = FileUpload1.FileName;
savePath += fileName;
FileUpload1.SaveAs(savePath);
}
string sql = "Data Source=A25;Initial Catalog=test;Integrated Security=True" ;
string sqlStr = @"Insert into book_info(Book_name,Author,Press,Press_date,Image) values
('" + TextBox1.Text + "', '" + TextBox2.Text + "' , '" + DropDownList1.SelectedItem.Text + "' ,'"
+ Calendar1.SelectedDate.ToShortDateString() + "','" + FileUpload1.FileName + "')" ;
using (SqlConnection conn = new SqlConnection(sql))
{
conn.Open();
using (SqlCommand cmd = conn.CreateCommand())
{
cmd.CommandText = sqlStr;
cmd.ExecuteNonQuery();
}
}
Response.Write( "插入成功!" );
}
}
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