ZHJA_HJGL/HJGL_ZH/FineUIPro.Web/Welder/FilmInfoQuery.aspx.cs

using System;
using System.Linq;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;
using System.Text;
using AspNet = System.Web.UI.WebControls;
using BLL;
using System.Diagnostics;

namespace FineUIPro.Web.Welder
{
    public partial class FilmInfoQuery : PageBase
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                ddlPageSize.SelectedValue = Grid1.PageSize.ToString();

                var unit = (from x in Funs.DB.HJGL_BO_QualityRating
                            join y in Funs.DB.HJGL_PW_JointInfo on x.JOT_ID equals y.JOT_ID
                            join z in Funs.DB.HJGL_PW_IsoInfo on y.ISO_ID equals z.ISO_ID
                            join u in Funs.DB.Base_Unit on z.BSU_ID equals u.UnitId
                            select new { u.UnitId, u.UnitName }).ToList().Distinct();
                ///单位
                this.drpUnit.DataTextField = "UnitName";
                this.drpUnit.DataValueField = "UnitId";
                this.drpUnit.DataSource = unit;
                this.drpUnit.DataBind();
                Funs.FineUIPleaseSelect(this.drpUnit);

                txtStartDate.SelectedDate = DateTime.Now.AddDays(-30).Date;
                txtEndDate.SelectedDate = DateTime.Now.Date;
                // 绑定表格
                BindGrid();
            }
        }

        private void BindGrid()
        {
            List<SqlParameter> listStr = new List<SqlParameter>
            {
              /*  new SqlParameter("@pageIndex", Grid1.PageIndex+1),
                new SqlParameter("@pageSize", Grid1.PageSize)*/
            };
            if (this.drpUnit.SelectedValue != BLL.Const._Null)
            {
                listStr.Add(new SqlParameter("@unitId", this.drpUnit.SelectedValue));
            }
            else
            {
                listStr.Add(new SqlParameter("@unitId", null));
            }


            if (!string.IsNullOrEmpty(this.txtStartDate.Text.Trim()))
            {
                listStr.Add(new SqlParameter("@date1", this.txtStartDate.Text.Trim()));
            }
            else
            {
                listStr.Add(new SqlParameter("@date1", null));
            }
            if (!string.IsNullOrEmpty(this.txtEndDate.Text.Trim()))
            {
                listStr.Add(new SqlParameter("@date2", this.txtEndDate.Text.Trim()));
            }
            else
            {
                listStr.Add(new SqlParameter("@date2", null));
            }
           
            SqlParameter[] parameter = listStr.ToArray();
            Stopwatch sw = new Stopwatch();

            sw.Start();


            DataTable tb = SQLHelper.GetDataTableRunProc("HJGL_sp_FilmInfo", parameter);
            this.Grid1.RecordCount = tb.Rows.Count;
            tb = GetFilteredTable(Grid1.FilteredData, tb);
            var table = this.GetPagedDataTable(Grid1, tb);
            Grid1.DataSource = table;
            Grid1.DataBind();
            sw.Stop();
            TimeSpan dt = sw.Elapsed; 
        }

        #region 页索引改变事件
        /// <summary>
        /// 页索引改变事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Grid1_PageIndexChange(object sender, GridPageEventArgs e)
        {
            Grid1.PageIndex = e.NewPageIndex;
            BindGrid();
        }
        #endregion

        #region 分页选择下拉改变事件
        /// <summary>
        /// 分页选择下拉改变事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void ddlPageSize_SelectedIndexChanged(object sender, EventArgs e)
        {
            Grid1.PageSize = Convert.ToInt32(ddlPageSize.SelectedValue);
            BindGrid();
        }
        #endregion

        protected void BtnQuery_Click(object sender, EventArgs e)
        {
            this.BindGrid();
        }

        #region 导出按钮
        /// 导出按钮
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnExport_Click(object sender, EventArgs e)
        {
            Response.ClearContent();
            string filename = Funs.GetNewFileName();
            Response.AddHeader("content-disposition", "attachment; filename=" + System.Web.HttpUtility.UrlEncode("RT拍片信息" + filename, System.Text.Encoding.UTF8) + ".xls");
            Response.ContentType = "application/excel";
            Response.ContentEncoding = System.Text.Encoding.UTF8;
            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>");
            this.Grid1.PageSize = 100000;
            BindGrid();
            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();
                    sb.AppendFormat("<td>{0}</td>", html);
                }

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

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

            return sb.ToString();
        }
        #endregion
    }
}