commodity_manage.aspx.cs

这是一个销售管理系统,里面有很多销售的功能

using System;
using System.Data;
using System.Configuration;
using System.Collections;
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 Bedrock_Commodity_manage : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (Convert.ToString(Session["username"]) == "")
        {
            Response.Write("<script language=javascript>alert('请登录');location='../login.aspx'</script>");
            return;
        }
        if(!IsPostBack)
        {
            this.bind();
        }
    }
    public void bind()
    {
        SqlConnection strcon = new SqlConnection(System.Configuration.ConfigurationManager.AppSettings["strcon"]);
        strcon.Open();
        SqlDataAdapter sda = new SqlDataAdapter("select * from tb_Commodity order by id desc", strcon);
        DataSet ds = new DataSet();
        sda.Fill(ds, "tb_Commodity");
        GridView1.DataSource = ds.Tables["tb_Commodity"];
        GridView1.DataKeyNames = new string[] {"id"};
        GridView1.DataBind();
    }
    protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
    {
        GridView1.PageIndex = e.NewPageIndex;
        this.bind();
    }
    protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {
        SqlConnection strcon = new SqlConnection(System.Configuration.ConfigurationManager.AppSettings["strcon"]);
        strcon.Open();
        string id = GridView1.DataKeys[e.RowIndex].Value.ToString();
        SqlCommand scd = new SqlCommand("delete from tb_Commodity where id=" + id, strcon);
        scd.ExecuteNonQuery();
        this.bind();
    }
    protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
    {
        string id = GridView1.DataKeys[e.NewEditIndex].Value.ToString();
        Response.Write("<script>window.open('Commodity_open.aspx?id=" + id + "','','width=450,height=450')</script>");
        Response.Write("<script>location='javascript:history.go(-1)'</script>");
    }
}