default.aspx.cs

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using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;

public partial class _Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        SqlConnection myconn = new SqlConnection("server=(local);Database=fangdawei;Uid=sa;Pwd=");
        myconn.Open();
        //SqlCommand com = new SqlCommand("select * from tb_BookInfo");
        SqlDataAdapter da = new SqlDataAdapter("select * from tb_Book1 order by BookID desc", myconn);
        DataSet ds = new DataSet();
        da.Fill(ds, "tb_Book1");
        GridView1.DataSource = ds;
        GridView1.DataBind();

    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        SqlConnection myconn = new SqlConnection("server=(local);Database=fangdawei;Uid=sa;Pwd=");
        //打开链接
        myconn.Open();
        //创建SqlCommand对象
        SqlCommand mycom = new SqlCommand("proUpdatebookinfo", myconn);
        //调用存储过程
        mycom.CommandType = CommandType.StoredProcedure;
        //添加参数
        SqlParameter[] prams ={

                           new SqlParameter("@BookName", SqlDbType.VarChar, 50),
                           new SqlParameter("@BookIntroduce", SqlDbType.VarChar, 50),
                           new SqlParameter("@BookPrice", SqlDbType.Money, 8),
                           new SqlParameter("@BookIsNew", SqlDbType.Char, 10),
                           new SqlParameter("@BookID",SqlDbType.Int,4)                           
    };
        //给参数赋值
        prams[0].Value = TextBox1.Text;
        prams[1].Value = TextBox2.Text;
        prams[2].Value = Convert.ToDecimal(TextBox3.Text);
        prams[3].Value = DropDownList1.SelectedValue.ToString();
        prams[4].Value = TextBox5.Text.Trim();
        //依次把参数传入命令文本
        foreach (SqlParameter parameter in prams)
        {
            mycom.Parameters.Add(parameter);
        }
        try
        {
            //执行更新语句
            mycom.ExecuteNonQuery();
            Response.Write("<script language=javascript>alert('修改成功!')</script>");
        }
        catch(Exception ex)
        {
            //Response.Write("<script language=javascript>alert('修改失败!')</script>");
            Response.Write(ex.Message.ToString());
        }

        SqlDataAdapter da = new SqlDataAdapter("select * from tb_Book1", myconn);
        DataSet ds = new DataSet();
        da.Fill(ds, "tb_Book1");
        GridView1.DataSource = ds;
        GridView1.DataBind();


    }
    protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
    {
        GridView1.PageIndex = e.NewPageIndex;
        GridView1.DataBind();
    }

}