instore/instore_List.aspx.cs

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

using System;
using System.Collections;
using System.Configuration;
using System.Data;
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;

public partial class instore_List : System.Web.UI.Page
{
   
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            btnDelete.Attributes.Add("onclick", "return confirm(\"你确认要删除吗？\")");
        DataSet ds = SqlHelper.ExecuteforDataSet("select pid,pname from products");
        ddlpid.DataSource = ds;
        ddlpid.DataTextField = "pname";
        ddlpid.DataValueField = "pid";
        ddlpid.DataBind();
        ddlpid.Items.Insert(0, new ListItem("---全部---", ""));
         ds = SqlHelper.ExecuteforDataSet("select sid,sname from supplier");
        ddlsid.DataSource = ds;
        ddlsid.DataTextField = "sname";
        ddlsid.DataValueField = "sid";
        ddlsid.DataBind();
        ddlsid.Items.Insert(0, new ListItem("---全部---", ""));

            BindData();
        }
    }

    // 绑定
    private void BindData()
    {       
        string where = " where 1=1 ";

        if (ddlpid.SelectedValue!= "")
        {
            where += " and a.pid=" + ddlpid.SelectedValue + "";
        }

        if (ddlsid.SelectedValue!= "")
        {
            where += " and a.sid=" + ddlsid.SelectedValue + "";
        }



        GridView1.DataSource = SqlHelper.ExecuteforDataSet("select a.*,b.pname,c.sname,iprice,iprice*quantity as tt1 from instore a left join products b on a.pid=b.pid left join supplier c on a.sid=c.sid " + where + " order by id desc");
        GridView1.DataBind();

    }

    /// <summary>
    /// 分页事件