cs ①

 using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using Acction;
using System.Data;

public partial class Query_Business : System.Web.UI.Page
......................

cs ①

 using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using Acction;
using System.Data;

public partial class Query_Business : System.Web.UI.Page
......................

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using BLL;
using Acction;
using System.Data;
using PublicClass;

public partial class _Default : System.Web.UI.Page 
......................

表
IF EXISTS (SELECT * FROM sys.objects WHERE object_id =object_id ('Cooperation') AND type IN ('U'))
DROP TABLE Cooperation
GO 

CREATE TABLE Cooperation
(
    ID int identity(1,1) NOT NULL,                      --**
    F_Name varchar (100)    NOT NULL,                   --First Name
    L_Name varchar (100)    NOT NULL,                   --Last Name
    Email varchar(100) NOT NULL,                        --Email联系方式
    Co_Content varchar(3000) NOT  NULL,                 --合作内容
......................

public class Ac_Contact
    {
        public string strconn = System.Configuration.ConfigurationManager.AppSettings["DataBase"].ToString();
        public int  Contact_Insert(Contact tact)
        {
            StringBuilder sb = new StringBuilder();
            sb.Append("insert into Message(Country,Com_Name,Website,Com_Address,Title,Con_Name,Tel,Email,Message,Busi_Type) ");
            sb.Append("values(");
            sb.Append("'" + tact.Country + "',");
            sb.Append("'" + tact.CompanyName + "',");
            sb.Append("'" + tact.Website + "',");
            sb.Append("'" + tact.CompanyAddress + "',");
......................

web.config
<appSettings>
  <add key = "startdate"  value="7"/>
</appSettings>

代码
protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            Init_Page();
            BindData();
......................