gyhlw_dotnet/网站项目/VRS/Management/VSAT/ResultPass.aspx.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.IO;
using Telerik.Web.UI;
using System.Text;

namespace VRS.Management.VSAT
{
    //成绩通过率
    public partial class ResultPass : BaseListPage
    {
        DataService.BLL.pro_result bll = new DataService.BLL.pro_result();

        protected override void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                BindResultSubject(dp_subject_name, "");
                DataLoad();
            }
        }

        protected override void DataLoad()
        {
            var data = getDataSet();
            dataList.DataSource = data;
            dataList.Rebind();
        }

        public DataSet getDataSet()
        {
            var start_date = start.SelectedDate.HasValue ? start.SelectedDate.Value.ToString("yyyy-MM-dd") : "";
            var end_date = end.SelectedDate.HasValue ? end.SelectedDate.Value.ToString("yyyy-MM-dd") : "";
            if (!string.IsNullOrEmpty(end_date))
            {
                end_date = DateTime.Parse(end_date).AddDays(1).ToString("yyyy-MM-dd");
            }
            var query = new StringBuilder(" 1 = 1 ");
            if (!string.IsNullOrWhiteSpace(start_date))
            {
                query.AppendFormat(" AND examine_time >= '{0}' ", start_date);
            }
            if (!string.IsNullOrWhiteSpace(end_date))
            {
                query.AppendFormat(" AND examine_time < '{0}' ", end_date);
            }
            if (!string.IsNullOrWhiteSpace(dp_subject_name.SelectedValue))
            {
                query.AppendFormat(" AND subject_name = '{0}' ", dp_subject_name.SelectedValue);
            }

            var data = bll.GetPassRate(query.ToString());
            return data;
        }

        protected override void GridList_PageIndexChanged(object sender, GridPageChangedEventArgs e)
        {
            DataLoad();
        }

        protected override void GridList_PageSizeChanged(object sender, GridPageSizeChangedEventArgs e)
        {
            DataLoad();
        }

        protected override void GridList_SortCommand(object sender, GridSortCommandEventArgs e)
        {
            DataLoad();
        }

        protected override void GrdList_DeleteCommand(object sender, GridCommandEventArgs e)
        {
            string Id = (e.Item as GridDataItem).OwnerTableView.DataKeyValues[e.Item.ItemIndex]["Id"].ToString();
            bll.Delete(Id);
            DataLoad();
        }

        protected override void AjaxManager_AjaxRequest(object sender, AjaxRequestEventArgs e)
        {

        }

        protected void btnSelect_Click(object sender, EventArgs e)
        {
            DataLoad();
        }

        protected void btnDelete_Click(object sender, EventArgs e)
        {
            bll.Delete(IdInput.Value);

            DataLoad();
        }

        public void getvalue()
        {

        }

        /// <summary>
        /// 导出excel
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnExport_Click(object sender, EventArgs e)
        {

            var data = getDataSet().Tables[0];
            string filePath = Server.MapPath("~/Download/");
            if (!Directory.Exists(filePath))
            {
                Directory.CreateDirectory(filePath);
            }
            string fileName = string.Format("{0}.xls", "科目及格率_" + DateTime.Now.ToString("yyyyMMddHHmmss"));
            filePath = filePath + fileName;

           
            var table = new DataTable();
            table.Columns.Add("科目名称");
            table.Columns.Add("总人数");
            table.Columns.Add("及格人数");
            table.Columns.Add("不及格人数");
            table.Columns.Add("及格率");
         
            for (var i = 0; i < data.Rows.Count; i++)
            {
                var item = data.Rows[i];
                var row = table.NewRow();
                row["科目名称"] = item["subject_name"].ToString();
                row["总人数"] = item["total"].ToString();
                row["及格人数"] = item["pass"].ToString();
                row["不及格人数"] = item["fail"].ToString();
                var pass_rate = decimal.Parse(item["pass_rate"].ToString());
                var rate = Math.Round(pass_rate * 100, 2).ToString();
                row["及格率"] = rate + "%";
                table.Rows.Add(row);
            }

            VRS.Util.Import.DateTableToExcel(table, filePath);
            FileInfo fileInfo = new FileInfo(filePath);
            Response.Clear();
            Response.ClearContent();
            Response.ClearHeaders();
            Response.AddHeader("Content-Disposition", "attachment;filename=" + fileName);
            Response.AddHeader("Content-Length", fileInfo.Length.ToString());
            Response.AddHeader("Content-Transfer-Encoding", "binary");
            Response.ContentType = "application/octet-stream";
            Response.ContentEncoding = System.Text.Encoding.GetEncoding("gb2312");
            Response.WriteFile(fileInfo.FullName);
            Response.Flush();
            Response.End();

        }
    }
}