productmarket.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;

using System.Data.OleDb;

namespace SCard.admin
{
	/// <summary>
	/// productMarket 的摘要说明。
	/// </summary>
	public class productMarket : System.Web.UI.Page
	{
        protected System.Web.UI.WebControls.DropDownList ddlPName;
        protected System.Web.UI.WebControls.DropDownList ddlState;
        protected System.Web.UI.WebControls.Button btnSelect;
        protected DevCenter.OleDbPager OleDbPager1;
        //protected System.Web.UI.WebControls.DropDownList ddlSales;
        protected System.Web.UI.WebControls.DropDownList ddlClass;
        protected System.Web.UI.WebControls.Label lblCost;
        protected System.Web.UI.WebControls.Label lblGain;
        protected System.Web.UI.WebControls.Label lblSales;
        //protected System.Web.UI.HtmlControls.HtmlTable SalesCPTable;
        protected System.Web.UI.WebControls.DropDownList ddlSales;
        protected System.Web.UI.WebControls.DataList PDataList;
        //protected System.Web.UI.WebControls.DataGrid PLDataGrid;
    
		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 )
            {
                getddlClassData();//绑定 类别选框
                //getddlSalesData();//绑定 销售人选框

                //SalesCPTable.Visible = false;
            }
		}

        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"));
        }

        /*
        private void getddlSalesData()//绑定 销售人选框
        {
            DBConn myDB = new DBConn();
            string sql="select * from Sales order by SalesID desc";
            ddlSales.DataSource  = myDB.getDataReader(sql);
            ddlSales.DataTextField = "SalesName";
            ddlSales.DataValueField = "SalesID";
            ddlSales.DataBind();
            myDB.Close();
            
            ddlSales.Items.ExecuteNonQuery(0,new ListItem("所有销售人","-1"));
        }
        */

        private void getSalesCG( string mySql )//某个销售人 已售出的卡的 成本,利润 汇总
        {
            DBConn myDB = new DBConn();
            OleDbDataReader mydr  = myDB.getDataReader( mySql );
            if( mydr.Read() )
            {
                lblCost.Text = double.Parse( mydr["Cost"].ToString() ).ToString("C");
                lblGain.Text = double.Parse( mydr["Gain"].ToString() ).ToString("C");
            }
            if( lblCost.Text == String.Empty )
            {
                lblCost.Text = "0";
            }
            if( lblGain.Text == String.Empty )
            {
                lblGain.Text = "0";
            }
            mydr.Close();
            myDB.Close();
        }

		#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.PDataList.ItemDataBound += new System.Web.UI.WebControls.DataListItemEventHandler(this.PDataList_ItemDataBound);
            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 strSales = ddlSales.SelectedValue;
            string strClass = ddlClass.SelectedValue;
            string strPName = ddlPName.SelectedValue; 
            
            ///if( strSales.Equals("-1") )//所有 销售人
            ///{
                if( !strClass.Equals("-1") )//某个分类
                {
                    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") )//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";
                    }
                }  
            /*///
            }
            else//某个 销售人
            {
                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 SalesID=" + strSales + " order by PID desc";
                //某个销售人 已售出的卡的 成本,利润 汇总
                string sql = "select sum(PCPrice)*count(Plist.PLID) as [Cost]," +
                            "sum(PNPrice)*count(Plist.PLID)- sum(PCPrice)*count(Plist.PLID) as [Gain] " +
                            "from Products,Plist " +
                            "where SalesID="+ strSales +" and PList.PID=Products.PID and PList.CardState=1";
                if( !strClass.Equals("-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 CID=" + strClass + " and SalesID=" + strSales + " order by PID desc";
                    //
                    sql = "select sum(PCPrice)*count(Plist.PLID) as [Cost]," +
                        "sum(PNPrice)*count(Plist.PLID)- sum(PCPrice)*count(Plist.PLID) as [Gain] " +
                        "from Products,Plist " +
                        "where CID=" + strClass + " and SalesID="+ strSales +" and PList.PID=Products.PID and PList.CardState=1";
                    if( !strPName.Equals("-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 PID=" + strPName + " and SalesID=" + strSales + " order by PID desc";
                        //
                        sql = "select sum(PCPrice)*count(Plist.PLID) as [Cost]," +
                            "sum(PNPrice)*count(Plist.PLID)- sum(PCPrice)*count(Plist.PLID) as [Gain] " +
                            "from Products,Plist " +
                            "where Products.PID=" + strPName + " and SalesID="+ strSales +" and PList.PID=Products.PID and PList.CardState=1";
                    }
                } 

                getSalesCG( sql );//某个销售人 已售出的卡的 成本,利润 汇总

                lblSales.Text = ddlSales.Items[ ddlSales.SelectedIndex ].Text;

                SalesCPTable.Visible = true;

            }
            ///*/
            /*
            DBConn myDB = new DBConn();
            PDataList.DataSource = myDB.getDataReader( mySql );
            PDataList.DataKeyField = "PID";
            PDataList.DataBind();
            myDB.Close();
            */

            PDataList.DataKeyField = "PID";
            //分页
            MyOleDbPager oleDbPager = new MyOleDbPager();
			oleDbPager.setAttribute( OleDbPager1, "PDataList", mySql, "10000000-PID", 1);
        }

        private void PDataList_ItemDataBound(object sender, System.Web.UI.WebControls.DataListItemEventArgs e)
        {
            DataGrid myDataGrid = (DataGrid)e.Item.FindControl("PLDataGrid");
            
            if(myDataGrid != null)
            {	
                string mySql="select * from PList where PId=" + PDataList.DataKeys[e.Item.ItemIndex].ToString();

                string strState = ddlState.SelectedValue;
                if( !strState.Equals("-1") )
                {
                    mySql="select * from PList where CardState=" + strState + " and PId=" + PDataList.DataKeys[e.Item.ItemIndex].ToString();
                }
                
                DBConn myDB = new DBConn();
                myDataGrid.DataSource = myDB.getDataReader( mySql );
                myDataGrid.DataBind();
                myDB.Close();   

            }
        }
	}
}