selectlossinf.aspx.cs

c#三层架构项目开发的全过程

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using Model;
using BLL;

namespace 金利来分销管理系统.Loss
{
    public partial class SelectLossInf : System.Web.UI.Page
    {
        BLL.Stock.Stock_SetailsBll stocksetailbllshow;
        BLL.Store.StoreBll storebllshow;
        BLL.Goods.ProductBll productbllshow;
        BLL.Loss.loss_listBll losslistbllshow;
        BLL.Loss.lossBll lossbllshow;
        BLL.Employee.EmployeeBll employeebllshow;

        public SelectLossInf()
        {
            stocksetailbllshow = new BLL.Stock.Stock_SetailsBll();
            storebllshow = new BLL.Store.StoreBll();
            productbllshow = new BLL.Goods.ProductBll();
            losslistbllshow = new BLL.Loss.loss_listBll();
            lossbllshow = new BLL.Loss.lossBll();
            employeebllshow = new BLL.Employee.EmployeeBll();

        }

        protected void Page_Load(object sender, EventArgs e)
        {
            if (!this.IsPostBack)
           {
                  //用户权限
                if (Session["employee_id"] == null)
                {
                    Response.Write ("请您登陆系统");
                }
                else 
                {
                    if (employeebllshow.UserRole(Session["role_id"].ToString(), "29") == true)
                    {
                        this.gvShow.DataSource = losslistbllshow.loss_list_Select();
                        this.gvShow.DataBind();
                        //查询商品编号
                        List<Model.Goods.ProductModel> productid = productbllshow.SelectProductID();
                        foreach (var item in productid)
                        {
                            this.ddlProductID.Items.Add(item.product_id);
                        }
                    }
                    else
                    {
                        Response.Write("<script>alert('你无权查看此功能,请与管理员联系');location.href='../Aboutus.aspx'</script>");
                    }
                }
            }

        }
        //查询
        protected void btnSelect_Click(object sender, EventArgs e)
        {
            ShowMethod();

        }
        //显示
        private void ShowMethod()
        {
            //拉姆达表达式
            List<Model.Loss.loss_listModel> list = losslistbllshow.loss_list_Select();
            //按采购单据编号查找
            if (ddlStockFormID.SelectedValue != "请选择损益单据号")
            {
                list = list.FindAll(o => o.loss_id == this.ddlStockFormID.Text.Trim());
            }
            //按商品编号查找
            if (ddlProductID.SelectedIndex != 0)
            {
                list = list.FindAll(o => o.loss_list_product_id == this.ddlProductID.Text.Trim());
            }

            this.gvShow.DataSource = list;
            this.gvShow.DataBind();
        }

        protected void btnSele_Click(object sender, EventArgs e)
        {
            this.ddlStockFormID.Items.Clear();
            if (this.txtTime.Text == "")
            {
                this.lblTime.Visible = true;
            }
            else
            {
                this.lblTime.Visible = false;

                List<Model.Loss.lossModel> lossid = lossbllshow.SelectLossID(DateTime.Parse(this.txtTime.Text));
                //查询所有采购单据编号
                foreach (var item in lossid)
                {
                    this.ddlStockFormID.Items.Add(item.loss_id);
                }
                if (ddlStockFormID.Text == "")
                {
                    this.gvShow.DataSource = null;
                    this.gvShow.DataBind();
                }
            }
        }
        //分页
        protected void gvShow_PageIndexChanging(object sender, GridViewPageEventArgs e)
        {
            this.gvShow.PageIndex = e.NewPageIndex;
            ShowMethod();
        }
    }
}