黑马程序员_存储过程入门

来源：互联网发布：天猫淘宝商城床单人床编辑：程序博客网时间：2024/04/29 16:48

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

public partial class _Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        SqlConnection con = new SqlConnection("server=.;database=db_test;pwd=;uid=sa;");
        SqlCommand cmd = new SqlCommand("db_test", con);
        cmd.CommandType = CommandType.StoredProcedure;
        con.Open();
        try
        {
            SqlDataReader dr = cmd.ExecuteReader();
            while (dr.Read())
            {
                int i=0;
                if (dr[i].ToString() != string.Empty)
                {
                    Response.Write("<script>alert('数据显示成功！'+" + dr[i].ToString() + ")</script>");
                    i++;
                }
                con.Close();
            }
        }
        catch (Exception ee)
        {
            con.Close();
        }
    }

    protected void btnSubmit_Click(object sender, EventArgs e)
    {
        Response.Write("<script>alert('数据显示成功！')</script>");

        SqlConnection con = new SqlConnection("server=.;database=db_test;pwd=;uid=sa;");
        SqlCommand cmd = new SqlCommand("db_test",con);
        cmd.CommandType = CommandType.StoredProcedure;
        con.Open();
        try
        {
            SqlDataReader dr = cmd.ExecuteReader();
            while (dr.Read())
                Response.Write("<script>alert('数据显示成功！'+" + dr[0].ToString() + ")</script>");
            {
                if (dr[0].ToString() !=string.Empty)
                {
                    Response.Write("<script>alert('数据显示成功！'+"+dr[0].ToString()+")</script>");
                }
                con.Close();
            }
        }
        catch (Exception ee)
        {
            con.Close();
        }
    }
}

存储过程代码

CREATE procedure db_test as
select * from tb_test order by ID DESC
GO

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