using BLL;
using Newtonsoft.Json.Linq;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Web.UI.WebControls;

namespace FineUIPro.Web.PHTGL.ContractCompile
{
    public partial class ContractTrackProgressDetectionGrid : PageBase
    {
        #region Page_Init

        // 注意：动态创建的代码需要放置于Page_Init（不是Page_Load），这样每次构造页面时都会执行
        protected void Page_Init(object sender, EventArgs e)
        {
            InitGrid();
        }
        public DataTable GridTable = new DataTable();
        private void InitGrid()
        {
            FineUIPro.BoundField bf;
            FineUIPro.RenderField rf;
            FineUIPro.TextBox txTextBox;


            ContractId = Request.Params["ContractId"];

            GridTable.Columns.Add("Id");
            GridTable.Columns.Add("SerialNumber");
            ListItem[] list = new ListItem[8];
            list[0] = new ListItem("主项号", "MainItemCode");
            list[1] = new ListItem("主项名称", "MainItemName");
            list[2] = new ListItem("专业工程名称", "MajorName");
            list[3] = new ListItem("专业代码", "MajorCode");
            //list[4] = new ListItem("分部工程", "SubProject");
            //list[5] = new ListItem("子分部工程", "SubItemProject");
            list[4] = new ListItem("项目编码", "ProjectCode");
            list[5] = new ListItem("项目名称", "ProjectName");
            list[6] = new ListItem("项目特征描述", "ProjectDescription");
            list[7] = new ListItem("计量单位", "UnitOfMeasurement");

            foreach (var item in list)
            {
                bf = new FineUIPro.BoundField();
                bf.ColumnID = item.Value;
                bf.DataField = item.Value;
                bf.HeaderText = item.Text;
                bf.HeaderTextAlign = TextAlign.Center;
                bf.TextAlign = TextAlign.Center;
                bf.Locked = true;
                Grid1.Columns.Add(bf);
                GridTable.Columns.Add(item.Value);
            }
            if (!string.IsNullOrEmpty(ContractId))
            {
                Model.PHTGL_ContractTrack queryContractTrack = new Model.PHTGL_ContractTrack();
                queryContractTrack.ProjectId = this.CurrUser.LoginProjectId;
                queryContractTrack.ContractId = this.ContractId;
                var modelContractTracks = BLL.PhtglContractTrackService.GetFirstPHTGL_ContractTrackByModle(queryContractTrack);
                if (modelContractTracks == null) return;


                Model.PHTGL_ContractTrackProgress table = new Model.PHTGL_ContractTrackProgress();
                table.ContractTrackId = modelContractTracks.Id;
                var tb = BLL.PhtglContracttrackprogressService.GetPHTGL_ContractTrackProgressByModle(table);
                foreach (var item in tb)
                {
                    //string date = item.Date.Replace("-", "");
                    string date = item.Date + "#";
                    GroupField p = new GroupField();
                    p.HeaderText = item.Date;
                    p.TextAlign = TextAlign.Center;

                    GroupField p1 = new GroupField();
                    p1.HeaderText = "当月进展情况";
                    p1.TextAlign = TextAlign.Center;

                    GroupField p1BCWS = new GroupField();
                    p1BCWS.HeaderText = "BCWS";
                    p1BCWS.TextAlign = TextAlign.Center;
                    p1BCWS.Attributes["data-color"] = "color1";
                    GroupField p1ACWP = new GroupField();
                    p1ACWP.HeaderText = "ACWP";
                    p1ACWP.TextAlign = TextAlign.Center;


                    GroupField p2 = new GroupField();
                    p2.HeaderText = "累计进展情况";
                    p2.TextAlign = TextAlign.Center;



                    GroupField p2BCWS = new GroupField();
                    p2BCWS.HeaderText = "BCWS";
                    p2BCWS.TextAlign = TextAlign.Center;
                    p2BCWS.Attributes["data-color"] = "color1";
                    GroupField p2ACWP = new GroupField();
                    p2ACWP.HeaderText = "ACWP";
                    p2ACWP.TextAlign = TextAlign.Center;

                    #region 当月进展情况

                    #region BCWS

                    txTextBox = new FineUIPro.TextBox();
                    txTextBox.ID = "txt" + date + "BCWS_Quantity";
                    rf = new RenderField();
                    rf.ColumnID = date + "BCWS_Quantity";
                    rf.DataField = date + "BCWS_Quantity";
                    rf.HeaderText = "工程量";
                    rf.TextAlign = FineUIPro.TextAlign.Left;
                    rf.Editor.Add(txTextBox);
                    p1BCWS.Columns.Add(rf);

                    GridTable.Columns.Add(date + "BCWS_Quantity");

                    bf = new FineUIPro.BoundField();
                    bf.ColumnID = date + "BCWS_OutputValue";
                    bf.DataField = date + "BCWS_OutputValue";
                    bf.HeaderText = "产值(元)";
                    bf.HeaderTextAlign = TextAlign.Center;
                    bf.TextAlign = TextAlign.Center;
                    p1BCWS.Columns.Add(bf);
                    GridTable.Columns.Add(date + "BCWS_OutputValue");

                    bf = new FineUIPro.BoundField();
                    bf.ColumnID = date + "BCWS_Percentage";
                    bf.DataField = date + "BCWS_Percentage";
                    bf.HeaderText = "百分比/%";
                    bf.HeaderTextAlign = TextAlign.Center;
                    bf.TextAlign = TextAlign.Center;
                    p1BCWS.Columns.Add(bf);
                    GridTable.Columns.Add(date + "BCWS_Percentage");
                    #endregion

                    #region ACWP

                    txTextBox = new FineUIPro.TextBox();
                    txTextBox.ID = "txt" + date + "ACWP_Quantity";
                    rf = new RenderField();
                    rf.ColumnID = date + "ACWP_Quantity";
                    rf.DataField = date + "ACWP_Quantity";
                    rf.HeaderText = "工程量";
                    rf.TextAlign = FineUIPro.TextAlign.Left;
                    rf.Editor.Add(txTextBox);
                    p1ACWP.Columns.Add(rf);
                    GridTable.Columns.Add(date + "ACWP_Quantity");

                    bf = new FineUIPro.BoundField();
                    bf.ColumnID = date + "ACWP_OutputValue";
                    bf.DataField = date + "ACWP_OutputValue";
                    bf.HeaderText = "产值(元)";
                    bf.HeaderTextAlign = TextAlign.Center;
                    bf.TextAlign = TextAlign.Center;
                    p1ACWP.Columns.Add(bf);
                    GridTable.Columns.Add(date + "ACWP_OutputValue");

                    bf = new FineUIPro.BoundField();
                    bf.ColumnID = date + "ACWP_Percentage";
                    bf.DataField = date + "ACWP_Percentage";
                    bf.HeaderText = "百分比/%";
                    bf.HeaderTextAlign = TextAlign.Center;
                    bf.TextAlign = TextAlign.Center;
                    p1ACWP.Columns.Add(bf);
                    GridTable.Columns.Add(date + "ACWP_Percentage");
                    #endregion

                    #endregion


                    #region 累计进展情况

                    #region BCWS

                    txTextBox = new FineUIPro.TextBox();
                    txTextBox.ID = "txt" + date + "SumBCWS_Quantity";
                    rf = new RenderField();
                    rf.ColumnID = date + "SumBCWS_Quantity";
                    rf.DataField = date + "SumBCWS_Quantity";
                    rf.HeaderText = "工程量";
                    rf.TextAlign = FineUIPro.TextAlign.Left;
                    rf.Editor.Add(txTextBox);
                    p2BCWS.Columns.Add(rf);

                    GridTable.Columns.Add(date + "SumBCWS_Quantity");

                    bf = new FineUIPro.BoundField();
                    bf.ColumnID = date + "SumBCWS_OutputValue";
                    bf.DataField = date + "SumBCWS_OutputValue";
                    bf.HeaderText = "产值(元)";
                    bf.HeaderTextAlign = TextAlign.Center;
                    bf.TextAlign = TextAlign.Center;
                    p2BCWS.Columns.Add(bf);
                    GridTable.Columns.Add(date + "SumBCWS_OutputValue");

                    bf = new FineUIPro.BoundField();
                    bf.ColumnID = date + "SumBCWS_Percentage";
                    bf.DataField = date + "SumBCWS_Percentage";
                    bf.HeaderText = "百分比/%";
                    bf.HeaderTextAlign = TextAlign.Center;
                    bf.TextAlign = TextAlign.Center;
                    p2BCWS.Columns.Add(bf);
                    GridTable.Columns.Add(date + "SumBCWS_Percentage");
                    #endregion

                    #region ACWP

                    txTextBox = new FineUIPro.TextBox();
                    txTextBox.ID = "txt" + date + "SumACWP_Quantity";
                    rf = new RenderField();
                    rf.ColumnID = date + "SumACWP_Quantity";
                    rf.DataField = date + "SumACWP_Quantity";
                    rf.HeaderText = "工程量";
                    rf.TextAlign = FineUIPro.TextAlign.Left;
                    rf.Editor.Add(txTextBox);
                    p2ACWP.Columns.Add(rf);
                    GridTable.Columns.Add(date + "SumACWP_Quantity");

                    bf = new FineUIPro.BoundField();
                    bf.ColumnID = date + "SumACWP_OutputValue";
                    bf.DataField = date + "SumACWP_OutputValue";
                    bf.HeaderText = "产值(元)";
                    bf.HeaderTextAlign = TextAlign.Center;
                    bf.TextAlign = TextAlign.Center;
                    p2ACWP.Columns.Add(bf);
                    GridTable.Columns.Add(date + "SumACWP_OutputValue");

                    bf = new FineUIPro.BoundField();
                    bf.ColumnID = date + "SumACWP_Percentage";
                    bf.DataField = date + "SumACWP_Percentage";
                    bf.HeaderText = "百分比/%";
                    bf.HeaderTextAlign = TextAlign.Center;
                    bf.TextAlign = TextAlign.Center;
                    p2ACWP.Columns.Add(bf);
                    GridTable.Columns.Add(date + "SumACWP_Percentage");
                    #endregion

                    #endregion

                    p1.Columns.Add(p1BCWS);
                    p1.Columns.Add(p1ACWP);


                    p2.Columns.Add(p2BCWS);
                    p2.Columns.Add(p2ACWP);

                    p.Columns.Add(p1);
                    p.Columns.Add(p2);

                    Grid1.Columns.Add(p);

                }

            }

        }
        #endregion
        public string ContractId
        {
            get => (string)ViewState["ContractId"];
            set => ViewState["ContractId"] = value;
        }
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                this.GetButtonPower();

                PHTGL_QuantityService.IniGetMajorItems3DownList(drpMajorItems, true);

                // 绑定表格
                this.BindGrid();

            }
        }

        #region 绑定数据
        /// <summary>
        /// 绑定数据
        /// </summary>
        private void BindGrid()
        {
            if (!string.IsNullOrEmpty(ContractId))
            {
                Model.PHTGL_ContractTrack queryContractTrack = new Model.PHTGL_ContractTrack();
                queryContractTrack.ProjectId = this.CurrUser.LoginProjectId;
                queryContractTrack.ContractId = this.ContractId;
                queryContractTrack.MainItemName = this.txtMainItemName.Text.Trim();
                if (drpMajorItems.SelectedValue != Const._Null)
                {
                    queryContractTrack.MajorName = drpMajorItems.SelectedValue;
                }

                var modelContractTracks =
                    BLL.PhtglContractTrackService.GetPHTGL_ContractTrackByModle(queryContractTrack);

                var count = BLL.PhtglContractTrackService.GetPHTGL_ContractTrackByModle(queryContractTrack).Count();
                modelContractTracks = modelContractTracks.Skip(Grid1.PageSize * Grid1.PageIndex).Take(Grid1.PageSize).ToList();

                var splitContractTracks = Funs.SplitList(modelContractTracks, 10);

                ParallelOptions parallelOptions = new ParallelOptions();
                parallelOptions.MaxDegreeOfParallelism = Environment.ProcessorCount;
                var concurrentGridTable = new ConcurrentDictionary<string, DataRow>();
                // 使用 Parallel.ForEach 来并行处理拆分后的列表
                Parallel.ForEach(splitContractTracks, parallelOptions, sublist =>
                {
                    var tempTable = GridTable.Clone(); // 创建临时的 DataTable
                    foreach (var item in sublist)
                    {
                        DataRow row = tempTable.NewRow();
                        row["SerialNumber"] = item.SerialNumber;
                        row["Id"] = item.Id;
                        row["MainItemCode"] = item.MainItemCode;
                        row["MainItemName"] = item.MainItemName;
                        row["MajorName"] = item.MajorName;
                        row["MajorCode"] = item.MajorCode;
                        //row["SubProject"] = item.SubProject;
                        //row["SubItemProject"] = item.SubItemProject;
                        row["ProjectCode"] = item.ProjectCode;
                        row["ProjectName"] = item.ProjectName;
                        row["ProjectDescription"] = item.ProjectDescription;
                        row["UnitOfMeasurement"] = item.UnitOfMeasurement;

                        Model.PHTGL_ContractTrackProgress qContractTrackProgress = new Model.PHTGL_ContractTrackProgress();
                        qContractTrackProgress.ContractTrackId = item.Id;
                        var modelContractTrackProgresses = BLL.PhtglContracttrackprogressService.GetPHTGL_ContractTrackProgressByModle(qContractTrackProgress);
                        foreach (var detail in modelContractTrackProgresses)
                        {
                            //  var date=detail.Date.Replace("-", "");
                            var date = detail.Date + "#";
                            row[date + "BCWS_Quantity"] = detail.BCWS_Quantity;
                            row[date + "BCWS_OutputValue"] = detail.BCWS_OutputValue;
                            row[date + "BCWS_Percentage"] = detail.BCWS_Percentage;
                            row[date + "ACWP_Quantity"] = detail.ACWP_Quantity;
                            row[date + "ACWP_OutputValue"] = detail.ACWP_OutputValue;
                            row[date + "ACWP_Percentage"] = detail.ACWP_Percentage;

                            var SumModel = PhtglContracttrackprogressService.GetSumProgress(detail.ContractTrackProgressId);
                            row[date + "SumBCWS_Quantity"] = SumModel.BCWS_Quantity;
                            row[date + "SumBCWS_OutputValue"] = SumModel.BCWS_OutputValue;
                            row[date + "SumBCWS_Percentage"] = SumModel.BCWS_Percentage;
                            row[date + "SumACWP_Quantity"] = SumModel.ACWP_Quantity;
                            row[date + "SumACWP_OutputValue"] = SumModel.ACWP_OutputValue;
                            row[date + "SumACWP_Percentage"] = SumModel.ACWP_Percentage;
                        }
                        concurrentGridTable.TryAdd(item.Id, row);
                        // GridTable.Rows.Add(row);
                    }
                });
                // 将线程安全的数据拷贝到 GridTable
                foreach (var kvp in concurrentGridTable)
                {
                    DataRow newRow = GridTable.NewRow();
                    newRow.ItemArray = kvp.Value.ItemArray; // 使用 ImportRow 方法创建新的行
                    GridTable.Rows.Add(newRow);
                }
                Grid1.RecordCount = count;
                Grid1.DataSource = GridTable.AsEnumerable().OrderBy(x => x["SerialNumber"].ToString(), new CustomComparer()); ;
                Grid1.DataBind();
            }
        }
        protected void Grid1_OnRowDataBound(object sender, GridRowEventArgs e)
        {
            if (!string.IsNullOrEmpty(ContractId))
            {
                Model.PHTGL_ContractTrack queryContractTrack = new Model.PHTGL_ContractTrack();
                queryContractTrack.ProjectId = this.CurrUser.LoginProjectId;
                queryContractTrack.ContractId = this.ContractId;
                var modelContractTracks = BLL.PhtglContractTrackService.GetFirstPHTGL_ContractTrackByModle(queryContractTrack);
                if (modelContractTracks == null) return;
                Model.PHTGL_ContractTrackProgress qContractTrackProgress = new Model.PHTGL_ContractTrackProgress();
                qContractTrackProgress.ContractTrackId = modelContractTracks.Id;
                var modelContractTrackProgresses = BLL.PhtglContracttrackprogressService.GetPHTGL_ContractTrackProgressByModle(qContractTrackProgress);
                foreach (var detail in modelContractTrackProgresses)
                {

                    var date = detail.Date + "#";
                    RenderField rfRenderField1 = Grid1.FindColumn(date + "BCWS_Quantity") as RenderField;
                    BoundField bf1 = Grid1.FindColumn(date + "BCWS_OutputValue") as BoundField;
                    BoundField bf2 = Grid1.FindColumn(date + "BCWS_Percentage") as BoundField;

                    e.CellAttributes[rfRenderField1.ColumnIndex]["data-color"] = "color1";
                    e.CellAttributes[bf1.ColumnIndex]["data-color"] = "color1";
                    e.CellAttributes[bf2.ColumnIndex]["data-color"] = "color1";

                    RenderField rfRenderField2 = Grid1.FindColumn(date + "SumBCWS_Quantity") as RenderField;
                    BoundField bf3 = Grid1.FindColumn(date + "SumBCWS_OutputValue") as BoundField;
                    BoundField bf4 = Grid1.FindColumn(date + "SumBCWS_Percentage") as BoundField;

                    e.CellAttributes[rfRenderField2.ColumnIndex]["data-color"] = "color1";
                    e.CellAttributes[bf3.ColumnIndex]["data-color"] = "color1";
                    e.CellAttributes[bf4.ColumnIndex]["data-color"] = "color1";


                }

            }
        }

        #endregion

        #region GV 数据操作
        /// <summary>
        /// 过滤表头
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        //protected void Grid1_FilterChange(object sender, EventArgs e)
        //{
        //    this.BindGrid();
        //}

        /// <summary>
        /// 分页
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Grid1_PageIndexChange(object sender, GridPageEventArgs e)
        {
            this.Grid1.PageIndex = e.NewPageIndex;
            this.BindGrid();
        }

        /// <summary>
        /// 排序
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Grid1_Sort(object sender, GridSortEventArgs e)
        {
            this.Grid1.SortDirection = e.SortDirection;
            this.Grid1.SortField = e.SortField;
            this.BindGrid();
        }

        /// <summary>
        /// 分页显示条数下拉框
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void ddlPageSize_SelectedIndexChanged(object sender, EventArgs e)
        {

            this.BindGrid();
        }
        #endregion

        #region 数据编辑事件

        /// <summary>
        /// 编辑按钮
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnEdit_Click(object sender, EventArgs e)
        {
            if (Grid1.SelectedRowIndexArray.Length == 0)
            {
                Alert.ShowInTop("请至少选择一条记录！", MessageBoxIcon.Warning);
                return;
            }
            string ID = Grid1.SelectedRowID;
            var model = BLL.PhtglContractTrackService.GetPHTGL_ContractTrackById(ID);
            if (model != null) ///已上报时不能删除
            {
                PageContext.RegisterStartupScript(Window1.GetShowReference(String.Format("ContractTrackEdit.aspx?Id={0}", ID, "编辑 - ")));
            }
        }

        /// <summary>
        /// Grid行双击事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Grid1_RowDoubleClick(object sender, GridRowClickEventArgs e)
        {
            this.btnEdit_Click(null, null);
        }

        protected void btnSave_OnClick(object sender, EventArgs e)
        {
            JArray EditorArr = Grid1.GetMergedData();
            if (EditorArr.Count > 0)
            {
                for (int i = 0; i < EditorArr.Count; i++)
                {
                    JObject objects = (JObject)EditorArr[i];

                    var listfiled = objects["values"].ToList();

                    var Id = objects["id"].ToString();
                    var model = BLL.PhtglContractTrackService.GetPHTGL_ContractTrackById(Id);


                    if (model != null)
                    {
                        foreach (var item in listfiled) //遍历行中的字段
                        {
                            var b = item;
                            var txtname = b.First.Path.Substring(b.First.Path.LastIndexOf('.') + 1);
                            var txtvalue = b.First.Value<string>();
                            string date = txtname.Split('#')[0].ToString();
                            string filed = txtname.Split('#')[1].ToString();

                            var modelContractTrackProgress = PhtglContracttrackprogressService.GetPHTGL_ContractTrackProgressByTrackIdAndDate(Id, date);
                            if (modelContractTrackProgress != null)
                            {
                                switch (filed)
                                {
                                    case "ACWP_Quantity":
                                        modelContractTrackProgress.ACWP_Quantity = Funs.GetNewDecimalOrZero(txtvalue);
                                        break;
                                    case "BCWS_Quantity":
                                        modelContractTrackProgress.BCWS_Quantity = Funs.GetNewDecimalOrZero(txtvalue);
                                        break;
                                }
                            }
                            PhtglContracttrackprogressService.UpdatePHTGL_ContractTrackProgress(modelContractTrackProgress);
                        }

                    }


                }
            }

            CheckProgressd();
            BindGrid();
        }
        /// <summary>
        /// 修改产值/百分比
        /// </summary>
        private void CheckProgressd()
        {
            if (!string.IsNullOrEmpty(ContractId))
            {
                Model.PHTGL_ContractTrack queryContractTrack = new Model.PHTGL_ContractTrack();
                queryContractTrack.ProjectId = this.CurrUser.LoginProjectId;
                queryContractTrack.ContractId = this.ContractId;
                var modelContractTracks =
                    BLL.PhtglContractTrackService.GetPHTGL_ContractTrackByModle(queryContractTrack);
                foreach (var item in modelContractTracks)
                {
                    PhtglContracttrackprogressService.CheckProgressByContractTrackId(item.Id);
                }
            }
        }

        protected void btnQuery_OnClick(object sender, EventArgs e)
        {
            BindGrid();
        }

        protected void btnGetChart_Click(object sender, EventArgs e)
        {
            if (!string.IsNullOrEmpty(ContractId))
            {
                var model = ContractService.GetContractById(ContractId);
                if (model != null)
                {
                    PageContext.RegisterStartupScript(
                        Window2.GetShowReference(string.Format("ContractTrackProgressChart.aspx?ContractId={0}", model.ContractId, "图表 - ")));
                }
            }
            else
            {
                ShowNotify("请选择施工分包合同", MessageBoxIcon.Question);
            }
        }
        #endregion

        #region 获取权限按钮
        /// <summary>
        /// 获取按钮权限
        /// </summary>
        /// <param name="button"></param>
        /// <returns></returns>
        private void GetButtonPower()
        {
            var buttonList = BLL.CommonService.GetAllButtonList(this.CurrUser.LoginProjectId, this.CurrUser.PersonId, BLL.Const.PHTGL_ContractTrackProgressDetectionMenuId);
            if (buttonList.Count > 0)
            {
                if (buttonList.Contains(BLL.Const.BtnAdd))
                {
                    //this.btnNew.Hidden = false;
                }
                if (buttonList.Contains(BLL.Const.BtnModify))
                {
                    //  this.btnMenuEdit.Hidden = false;
                }
                if (buttonList.Contains(BLL.Const.BtnDelete))
                {
                    //  this.btnMenuDelete.Hidden = false;
                }
            }
        }
        #endregion

        #region 关闭弹出窗
        /// <summary>
        /// 关闭弹出窗
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Window1_Close(object sender, WindowCloseEventArgs e)
        {
            BindGrid();
        }
        #endregion

        #region 导出按钮
        /// 导出按钮
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnOut_Click(object sender, EventArgs e)
        {
            Response.ClearContent();
            string filename = Funs.GetNewFileName();
            Response.AddHeader("content-disposition", "attachment; filename=" + System.Web.HttpUtility.UrlEncode("进度检测表" + filename, System.Text.Encoding.UTF8) + ".xls");
            Response.ContentType = "application/excel";
            Response.ContentEncoding = System.Text.Encoding.UTF8;
            this.Grid1.PageSize = 500;
            this.BindGrid();
            Response.Write(GetGridTableHtml(Grid1));
            Response.End();
        }

        /// <summary>
        /// 导出方法
        /// </summary>
        /// <param name="grid"></param>
        /// <returns></returns>
        //private string GetGridTableHtml(Grid grid)
        //{
        //    StringBuilder sb = new StringBuilder();
        //    sb.Append("<meta http-equiv=\"content-type\" content=\"application/excel; charset=UTF-8\"/>");
        //    sb.Append("<table cellspacing=\"0\" rules=\"all\" border=\"1\" style=\"border-collapse:collapse;\">");
        //    sb.Append("<tr>");
        //    foreach (GridColumn column in grid.Columns)
        //    {
        //        sb.AppendFormat("<td>{0}</td>", column.HeaderText);
        //    }
        //    sb.Append("</tr>");
        //    foreach (GridRow row in grid.Rows)
        //    {
        //        sb.Append("<tr>");
        //        foreach (GridColumn column in grid.Columns)
        //        {
        //            string html = row.Values[column.ColumnIndex].ToString();
        //            if (column.ColumnID == "tfNumber")
        //            {
        //                html = (row.FindControl("lblNumber") as System.Web.UI.WebControls.Label).Text;
        //            }
        //            sb.AppendFormat("<td>{0}</td>", html);
        //        }

        //        sb.Append("</tr>");
        //    }

        //    sb.Append("</table>");

        //    return sb.ToString();
        //}
        private string GetGridTableHtml(Grid grid)
        {
            StringBuilder sb = new StringBuilder();

            MultiHeaderTable mht = new MultiHeaderTable();
            mht.ResolveMultiHeaderTable(Grid1.Columns);


            sb.Append("<meta http-equiv=\"Content-Type\" content=\"application/vnd.ms-excel;charset=utf-8\"/>");


            sb.Append("<table cellspacing=\"0\" rules=\"all\" border=\"1\" style=\"border-collapse:collapse;\">");

            foreach (List<object[]> rows in mht.MultiTable)
            {
                sb.Append("<tr>");
                foreach (object[] cell in rows)
                {
                    int rowspan = Convert.ToInt32(cell[0]);
                    int colspan = Convert.ToInt32(cell[1]);
                    GridColumn column = cell[2] as GridColumn;

                    sb.AppendFormat("<th{0}{1}{2}>{3}</th>",
                        rowspan != 1 ? " rowspan=\"" + rowspan + "\"" : "",
                        colspan != 1 ? " colspan=\"" + colspan + "\"" : "",
                        colspan != 1 ? " style=\"text-align:center;\"" : "",
                        column.HeaderText);
                }
                sb.Append("</tr>");
            }


            foreach (GridRow row in grid.Rows)
            {
                sb.Append("<tr>");

                foreach (GridColumn column in mht.Columns)
                {
                    string html = row.Values[column.ColumnIndex].ToString();

                    if (column.ColumnID == "tfNumber")
                    {
                        html = (row.FindControl("lblNumber") as System.Web.UI.WebControls.Label).Text;
                    }
                    else if (column.ColumnID == "tfGender")
                    {
                        html = (row.FindControl("labGender") as System.Web.UI.WebControls.Label).Text;
                    }


                    sb.AppendFormat("<td>{0}</td>", html);
                }

                sb.Append("</tr>");
            }

            sb.Append("</table>");

            return sb.ToString();
        }
        #endregion



    }
}