productstock.aspx.cs

商业源码

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;

namespace SCard.admin
{
	/// <summary>
	/// productStock 的摘要说明。
	/// </summary>
	public class productStock : System.Web.UI.Page
	{
        protected System.Web.UI.WebControls.DropDownList ddlClass;
        protected System.Web.UI.WebControls.DropDownList ddlPName;
        protected System.Web.UI.WebControls.DataList PDataList;
        protected System.Web.UI.WebControls.DropDownList ddlPStock;
        protected DevCenter.OleDbPager OleDbPager1;
        protected System.Web.UI.WebControls.Button btnSelect;
    
		private void Page_Load(object sender, System.EventArgs e)
		{
            //权限检查
            if( Session["adminName"]==null || Session["adminName"].ToString() == String.Empty )
            {
                Response.Write("<font color=#ff0000 style='FONT-SIZE: 12px'>对不起,您没足够权限访问此页!!</font><br>");
                Response.Write("<a href=index.aspx target=_top style='FONT-SIZE: 12px'>重新登陆</a><br>");
                Response.End();
                return;
            }

            if( !IsPostBack )
            {
                //getData();
                getddlClassData();
            }
		}

        private void getddlClassData()//绑定 类别选框
        {
            DBConn myDB = new DBConn();
            string sql="select * from Category order by CID desc";
            ddlClass.DataSource  = myDB.getDataReader(sql);
            ddlClass.DataTextField = "CName";
            ddlClass.DataValueField = "CID";
            ddlClass.DataBind();
            myDB.Close();
            
            ddlClass.Items.Insert(0,new ListItem("所有分类","-1"));
        }

		#region Web 窗体设计器生成的代码
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{    
            this.ddlClass.SelectedIndexChanged += new System.EventHandler(this.ddlClass_SelectedIndexChanged);
            this.btnSelect.Click += new System.EventHandler(this.btnSelect_Click);
            this.Load += new System.EventHandler(this.Page_Load);

        }
		#endregion

        private void ddlClass_SelectedIndexChanged(object sender, System.EventArgs e)
        {
            string strCID = ddlClass.SelectedValue;
            if( strCID.Equals("-1") )
            {
                ddlPName.SelectedIndex = 0;
                ddlPName.Enabled = false;
            }
            else
            {
                DBConn myDB = new DBConn();
                string sql="select * from Products where CID=" + strCID + " order by PID desc";
                ddlPName.DataSource  = myDB.getDataReader(sql);
                ddlPName.DataTextField = "PName";
                ddlPName.DataValueField = "PID";
                ddlPName.DataBind();
                myDB.Close();
                ddlPName.Items.Insert(0,new ListItem("所有商品","-1"));
                ddlPName.Enabled = true;
            } 
        }

        private void btnSelect_Click(object sender, System.EventArgs e)
        {
            string mySql = "select *,PCPrice*PStock as [StockPrice],(select count(*) from PList where PList.PID=Products.PID and CardState=1) as [NSellNum],(PNPrice*(select count(*) from PList where PList.PID=Products.PID and CardState=1)) as [TotalPrice] from Products order by PID desc";            
 
            string strClass = ddlClass.SelectedValue;
            string strPName = ddlPName.SelectedValue;
            string strPStock = ddlPStock.SelectedValue; 

            if( strClass.Equals("-1") )//全部类别
            {
                mySql = "select *,PCPrice*PStock as [StockPrice],(select count(*) from PList where PList.PID=Products.PID and CardState=1) as [NSellNum],(PNPrice*(select count(*) from PList where PList.PID=Products.PID and CardState=1)) as [TotalPrice] from Products order by PID desc";
                
                switch( strPStock )//库存 情况选择
                {
                    case "0":
                        mySql = "select *,PCPrice*PStock as [StockPrice],(select count(*) from PList where PList.PID=Products.PID and CardState=1) as [NSellNum],(PNPrice*(select count(*) from PList where PList.PID=Products.PID and CardState=1)) as [TotalPrice] from Products where PStock<10 order by PID desc";
                        break;
                    case "1":
                        mySql = "select *,PCPrice*PStock as [StockPrice],(select count(*) from PList where PList.PID=Products.PID and CardState=1) as [NSellNum],(PNPrice*(select count(*) from PList where PList.PID=Products.PID and CardState=1)) as [TotalPrice] from Products where PStock>10 order by PID desc";
                        break;
                }
            }  
            else//当前类别
            {    
                mySql = "select *,PCPrice*PStock as [StockPrice],(select count(*) from PList where PList.PID=Products.PID and CardState=1) as [NSellNum],(PNPrice*(select count(*) from PList where PList.PID=Products.PID and CardState=1)) as [TotalPrice] from Products where CID=" + strClass + " order by PID desc";
                if( strPName.Equals("-1") )//当前类别 的 全部商品
                {
                    switch( strPStock )
                    {
                        case "0":
                            mySql = "select *,PCPrice*PStock as [StockPrice],(select count(*) from PList where PList.PID=Products.PID and CardState=1) as [NSellNum],(PNPrice*(select count(*) from PList where PList.PID=Products.PID and CardState=1)) as [TotalPrice] from Products where PStock<10 and CID=" + strClass + " order by PID desc";
                            break;
                        case "1":
                            mySql = "select *,PCPrice*PStock as [StockPrice],(select count(*) from PList where PList.PID=Products.PID and CardState=1) as [NSellNum],(PNPrice*(select count(*) from PList where PList.PID=Products.PID and CardState=1)) as [TotalPrice] from Products where PStock>10 and CID=" + strClass + " order by PID desc";
                            break;
                    }
                } 
                else//某个商品
                {
                    mySql = "select *,PCPrice*PStock as [StockPrice],(select count(*) from PList where PList.PID=Products.PID and CardState=1) as [NSellNum],(PNPrice*(select count(*) from PList where PList.PID=Products.PID and CardState=1)) as [TotalPrice] from Products where PID=" + strPName + " order by PID desc";

                    switch( strPStock )
                    {
                        case "0":
                            mySql = "select *,PCPrice*PStock as [StockPrice],(select count(*) from PList where PList.PID=Products.PID and CardState=1) as [NSellNum],(PNPrice*(select count(*) from PList where PList.PID=Products.PID and CardState=1)) as [TotalPrice] from Products where PStock<10 and PID=" + strPName + " order by PID desc";
                            break;
                        case "1":
                            mySql = "select *,PCPrice*PStock as [StockPrice],(select count(*) from PList where PList.PID=Products.PID and CardState=1) as [NSellNum],(PNPrice*(select count(*) from PList where PList.PID=Products.PID and CardState=1)) as [TotalPrice] from Products where PStock>10 and PID=" + strPName + " order by PID desc";
                            break;
                    }
                }
            }

            /*
            DBConn myDB = new DBConn();
            PDataList.DataSource = myDB.getDataReader( mySql );
            PDataList.DataKeyField = "PID";
            PDataList.DataBind();
            myDB.Close();*/
    
            //分页
            MyOleDbPager oleDbPager = new MyOleDbPager();
			oleDbPager.setAttribute( OleDbPager1, "PDataList", mySql, "10000000-PID", 4);
        }
	}
}