17168ERP/web/admin/follower/print.aspx.cs

using DocumentFormat.OpenXml.Drawing.Charts;
using DocumentFormat.OpenXml.Vml.Office;
using OfficeOpenXml.FormulaParsing.Excel.Functions.Information;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class admin_follower_print_ : System.Web.UI.Page
{
    private Model.ezEntities _db = new Model.ezEntities();
    public MyWeb.encrypt encrypt = new MyWeb.encrypt();    
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            MyWeb.admin admin = new MyWeb.admin();

            if ( admin.isLoign())
            {
                //var getDelItem = Request["num"].TrimEnd(',').Split(',').Select(s => int.Parse(s));
                //var prod = _db.followers.AsEnumerable().Where(s => getDelItem.Contains(s.num)).ToList();

                //紀錄匯出條件
                string _query = "";
                var qry = _db.followers.AsQueryable();
                
                // ❌ 錯誤寫法: qry = qry.Where(o => o.f_number.Contains(Request["f_number"].Trim()));
                // LINQ to Entities 無法轉換 Request[] 方法，必須先轉換為變數再使用
                string fNumberParam = Request["f_number"]?.Trim();
                if (!string.IsNullOrEmpty(fNumberParam))
                {
                    qry = qry.Where(o => o.f_number.Contains(fNumberParam));
                    _query += "信眾編號:" + fNumberParam + "\n";
                }

                string uNameParam = Request["u_name"]?.Trim();
                if (!string.IsNullOrEmpty(uNameParam))
                {
                    qry = qry.Where(o => o.u_name.Contains(uNameParam));
                    _query += "信眾姓名:" + uNameParam + "\n";
                }
                
                string addressParam = Request["address"]?.Trim();
                if (!string.IsNullOrEmpty(addressParam))
                {
                    qry = qry.Where(o => o.address.Contains(addressParam));
                    _query += "地址:" + addressParam + "\n";
                }
                
                if (!string.IsNullOrEmpty(Request["birthday"]))
                {
                    DateTime birthdayParam = Convert.ToDateTime(Request["birthday"].Trim());
                    qry = qry.Where(o => o.birthday >= birthdayParam);
                    _query += "生日(起):" + birthdayParam.ToString("yyyy/MM/dd") + "\n";
                }               
                
                if (!string.IsNullOrEmpty(Request["birthday2"]))
                {
                    DateTime birthday2Param = Convert.ToDateTime(Request["birthday2"].Trim());
                    qry = qry.Where(o => o.birthday < birthday2Param.AddDays(1));
                    _query += "生日(訖):" + birthday2Param.ToString("yyyy/MM/dd") + "\n";
                }
                // ❌ 錯誤寫法: _db.countries.Where(x => x.ID == Request["country"].ToString())
                // LINQ to Entities 無法轉換 Request[].ToString()，必須先轉換為變數再使用
                string countryId = Request["country"]?.ToString();
                if (!string.IsNullOrEmpty(countryId))
                {
                    qry = qry.Where(o => o.country == countryId);
                    _query += "國家:" + (_db.countries.Where(x => x.ID == countryId).Select(x => x.name_zh).FirstOrDefault() ?? "") + "\n";
                }
                
                string country2Id = Request["country2"]?.ToString();
                if (!string.IsNullOrEmpty(country2Id))
                {
                    if (country2Id == "1")
                    {
                        qry = qry.Where(o => o.country == "158");
                    }
                    else if (country2Id == "2")
                    {
                        qry = qry.Where(o => o.country != "158");
                    }
                    _query += "國家:" + (_db.countries.Where(x => x.ID == country2Id).Select(x => x.name_zh).FirstOrDefault() ?? "") + "\n";
                }
                
                //管理報表
                if (!string.IsNullOrEmpty(Request["year"]))
                {
                    //title.Text = "信眾管理報表";
                    int yearParam = Convert.ToInt32(Request["year"]);
                    qry = qry.Where(o => o.join_date.HasValue && o.join_date.Value.Year == yearParam);
                    _query += "年份:" + Request["year"] + "\n";
                }
                
                if (!string.IsNullOrEmpty(Request["month"]))
                {
                    int monthParam = Convert.ToInt32(Request["month"]);
                    qry = qry.Where(o => o.join_date.HasValue && o.join_date.Value.Month == monthParam);
                    _query += "月份:" + Request["month"] + "\n";
                }
                if (!string.IsNullOrEmpty(Request["season"]) )
                {

                    if (Request["season"] == "1")
                    {
                        qry = qry.Where(o => o.join_date.HasValue)
                            .Where(o => o.join_date.Value.Month == 1 || o.join_date.Value.Month == 2 || o.join_date.Value.Month == 3);
                    }
                    else if (Request["season"] == "2")
                    {
                        qry = qry.Where(o => o.join_date.HasValue)
                            .Where(o => o.join_date.Value.Month == 4 || o.join_date.Value.Month == 5 || o.join_date.Value.Month == 6);
                    }
                    else if (Request["season"] == "3")
                    {
                        qry = qry.Where(o => o.join_date.HasValue)
                            .Where(o => o.join_date.Value.Month == 7 || o.join_date.Value.Month == 8 || o.join_date.Value.Month == 9);
                    }
                    else if (Request["season"] == "4")
                    {
                        qry = qry.Where(o => o.join_date.HasValue)
                            .Where(o => o.join_date.Value.Month == 10 || o.join_date.Value.Month == 11 || o.join_date.Value.Month == 12);
                    }


                    _query += "季度:" + Request["season"] + "\n";
                }
                qry = qry.OrderByDescending(o => o.num);

                //紀錄匯出條件
                var prod= qry.ToList();
                if (prod.Count > 0)
                {
                    Repeater1.DataSource = prod;
                    Repeater1.DataBind();

                    Model.admin_log admin_log = new Model.admin_log();
                    admin_log.writeLog(admin.info.u_id, (int)Model.admin_log.Systems.Follower, (int)Model.admin_log.Status.Print, admin_log.LogViewBtn(prod.Select(x => x.f_number + x.u_name).ToList()));
                }
                else
                {
                    //PlaceHolder1.Visible = true;
                    //Response.Clear();
                    //Response.StatusCode = 404;
                    //Response.End();
                }

                

                string _data = "列印時間 : " + DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss");
                _data += "<br>列印帳號 : " + admin.info.u_id;
                _data += "<br>列印條件 : " + (!string.IsNullOrEmpty(_query) ? _query : "-");
                footer.Text = _data;


            }
            else
            {
                Response.Clear();
                Response.StatusCode = 404;
                Response.End();
               
            }

        }
    }

}