protected void btnPdf_Click(object sender, EventArgs e)
        {
            List <GetAbsentMembersByID_Result> Absentemployee = MembersAttendanceHistoryController.GetAbsentMemberById(txtSearchText.Text, SortField, SortDir, txtFromDate.Text, txtToDate.Text, memberId);
            GridView GridView1 = new GridView();

            GridView1.DataSource = Absentemployee;
            GridView1.DataBind();

            Response.ContentType = "application/pdf";
            Response.AddHeader("content-disposition",
                               "attachment;filename=AbsentMember" + memberId + ".PDF");
            Response.Cache.SetCacheability(HttpCacheability.NoCache);
            StringWriter   sw = new StringWriter();
            HtmlTextWriter hw = new HtmlTextWriter(sw);

            GridView1.RenderControl(hw);
            StringReader sr         = new StringReader(sw.ToString());
            Document     pdfDoc     = new Document(PageSize.A4, 10f, 10f, 10f, 0f);
            HTMLWorker   htmlparser = new HTMLWorker(pdfDoc);

            PdfWriter.GetInstance(pdfDoc, Response.OutputStream);
            pdfDoc.Open();
            htmlparser.Parse(sr);
            pdfDoc.Close();
            Response.Write(pdfDoc);
            Response.End();
        }
 public void BindPresentMemberById()
 {
     try
     {
         if (ddlOptions.SelectedValue == "1")
         {
             grdPresentById.DataSource = MembersAttendanceHistoryController.GetPresentMemberById(txtSearchText.Text, SortField, SortDir, txtFromDate.Text, txtToDate.Text, memberId);
             grdPresentById.DataBind();
         }
         if (ddlOptions.SelectedValue == "2")
         {
             grdAbsentbyId.DataSource = MembersAttendanceHistoryController.GetAbsentMemberById(txtSearchText.Text, SortField, SortDir, txtFromDate.Text, txtToDate.Text, memberId);
             grdAbsentbyId.DataBind();
         }
     }
     catch (Exception ex)
     {
         throw ex;
     }
 }
        public void BindExcel()
        {
            try
            {
                Response.Clear();
                Response.Buffer = true;

                Response.AddHeader("content-disposition",
                                   "attachment;filename=" + memberId + "AbsentMember.xls");
                Response.Charset     = "";
                Response.ContentType = "application/vnd.ms-excel";
                StringWriter   sw = new StringWriter();
                HtmlTextWriter hw = new HtmlTextWriter(sw);

                var grid = new GridView();

                grid.DataSource = MembersAttendanceHistoryController.GetAbsentMemberById(txtSearchText.Text, SortField, SortDir, txtFromDate.Text, txtToDate.Text, memberId);

                grid.DataBind();
                grid.AllowPaging = false;

                //Change the Header Row back to white color
                grid.HeaderRow.Style.Add("background-color", "#FFFFFF");

                //Apply style to Individual Cells
                grid.HeaderRow.Cells[0].Style.Add("background-color", "green");
                grid.HeaderRow.Cells[1].Style.Add("background-color", "green");
                grid.HeaderRow.Cells[2].Style.Add("background-color", "green");
                grid.HeaderRow.Cells[3].Style.Add("background-color", "green");
                grid.HeaderRow.Cells[4].Style.Add("background-color", "green");

                for (int i = 0; i < grid.Rows.Count; i++)
                {
                    GridViewRow row = grid.Rows[i];

                    //Change Color back to white
                    row.BackColor = System.Drawing.Color.White;

                    //Apply text style to each Row
                    row.Attributes.Add("class", "textmode");

                    //Apply style to Individual Cells of Alternating Row
                    if (i % 2 != 0)
                    {
                        row.Cells[0].Style.Add("background-color", "#C2D69B");
                        row.Cells[1].Style.Add("background-color", "#C2D69B");
                        row.Cells[2].Style.Add("background-color", "#C2D69B");
                        row.Cells[3].Style.Add("background-color", "#C2D69B");
                        row.Cells[4].Style.Add("background-color", "#C2D69B");
                    }
                }
                grid.RenderControl(hw);

                //style to format numbers to string
                string style = @"<style> .textmode { mso-number-format:\@; } </style>";
                Response.Write(style);
                Response.Output.Write(sw.ToString());
                Response.Flush();
                Response.End();
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
        protected void btnExcel_Click(object sender, EventArgs e)
        {
            List <GetAbsentMembersByID_Result> Absentemployee = MembersAttendanceHistoryController.GetAbsentMemberById(txtSearchText.Text, SortField, SortDir, txtFromDate.Text, txtToDate.Text, memberId);

            ExportToExcel(Absentemployee);
            //BindExcel();
            //var grid = new GridView();

            //grid.DataSource = MembersAttendanceHistoryController.GetAbsentMemberById(txtSearchText.Text, SortField, SortDir, txtFromDate.Text, txtToDate.Text, memberId);

            //grid.DataBind();

            //Response.ClearContent();
            //Response.AddHeader("content-disposition", "attachment; filename=iDealConfig.xls");
            //Response.ContentType = "application/excel";
            //StringWriter sw = new StringWriter();
            //HtmlTextWriter htmlTextWriter = new HtmlTextWriter(sw);

            //grid.RenderControl(htmlTextWriter);
            //Response.Write(sw.ToString());
            //Response.End();

            //DataTable dt = new DataTable();
            //for (int i = 0; i < grdAbsentbyId.Columns.Count; i++)
            //{
            //    //dt.Columns.Add("column" + i.ToString());
            //    dt.Columns.Add(grdAbsentbyId.Columns[i].HeaderText);
            //}
            //foreach (GridViewRow row in grdAbsentbyId.Rows)
            //{
            //    DataRow dr = dt.NewRow();
            //    for (int j = 1; j <= grdAbsentbyId.Columns.Count; j++)
            //    {
            //        dr["column" + j.ToString()] = row.Cells[j].Text;
            //    }

            //    dt.Rows.Add(dr);
            //    IEnumerable<string> columnNames = dt.Columns.Cast<DataColumn>().
            //                      Select(column => column.ColumnName);

            //    StringBuilder sb = new StringBuilder();

            //    sb.AppendLine(string.Join(",", columnNames));
            //    foreach (DataRow row1 in dt.Rows)
            //    {
            //        string[] fields = row1.ItemArray.Select(field => field.ToString()).
            //                                        ToArray();
            //        sb.AppendLine(string.Join(",", fields));
            //    }

            //    File.WriteAllText("E:\\AbsentEmployee.csv", sb.ToString());
            //}



            ////IEnumerable<string> columnNames = dt.Columns.Cast<DataColumn>().
            ////                      Select(column => column.ColumnName);

            ////StringBuilder sb = new StringBuilder();

            ////sb.AppendLine(string.Join(",", columnNames));


            ScriptManager.RegisterStartupScript(this.Page, this.GetType(), "succ_msg", "MessageBox('Success','Excel Saved Successfully in E drive');", true);
        }