JW/督导评语7.16/Admin/BatchExport2.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.Data.OleDb;
using System.Data.Sql;
using System.Data.SqlClient;
using System.Collections;
using System.Text;
using System.IO;
public partial class Admin_BatchExport2 : System.Web.UI.Page
{
   // string ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + HttpContext.Current.Server.MapPath("~\\App_Data\\ZY.mdb");
    LYS.UserData1 myud = new LYS.UserData1();
    string username = ""; string usertype = ""; string userdemp = "";
    protected void Page_Load(object sender, EventArgs e)
    {
      username = myud.ReadCookies("UserName").Trim();
     usertype = myud.ReadCookies("UserType").Trim();
     userdemp = myud.ReadCookies("UserDemp").Trim();
    }
    protected void Button2_Click(object sender, EventArgs e)
    {
        showdata();
    }
    protected void showdata()
    {
    SqlConnection  objConn = new  SqlConnection(myud.ConnString());
        objConn.Open();
        DataSet objDataset = new DataSet();
       SqlDataAdapter objAdapter = new  SqlDataAdapter();
        string strSQL = "Select " + Session["FieldList"] + " From " + Session["TableName"].ToString()+" where  系部='" + userdemp + "' order by 听课日期 Desc";
        objAdapter.SelectCommand = new  SqlCommand(strSQL, objConn);
        objAdapter.Fill(objDataset);

        DataView oView = new DataView(objDataset.Tables[0]);
        DataGrid1.DataSource = oView;
        DataGrid1.DataBind();
        objConn.Close();
        objConn.Dispose();
        objConn = null;
    }

    protected void Button1_Click(object sender, EventArgs e)
    {
        showdata();
        Response.ContentType = "application/vnd.ms-Word";
        Response.AddHeader("content-disposition", "inline;filename=ImportToWord.doc");
        Response.Charset = "";
        EnableViewState = false;
        StringWriter tw = new StringWriter();
        HtmlTextWriter hw = new HtmlTextWriter(tw);
        DataGrid1.RenderControl(hw);
        Response.Write(tw.ToString());
        Response.End();
        //BatchExportData();
    }


    protected void Button3_Click(object sender, EventArgs e)
    { //BatchExportData();
        showdata();
       
        Response.ContentType = "application/vnd.ms-Excel";
        Response.AddHeader("content-disposition", "inline;filename=ImportToWord.XLS");
        Response.Charset = "";
        EnableViewState = false;
        StringWriter tw = new StringWriter();
        HtmlTextWriter hw = new HtmlTextWriter(tw);
        DataGrid1.RenderControl(hw);
        Response.Write(tw.ToString());
        Response.End();
    }


    protected void BatchExportData()
    {
    //设置Http的头信息,编码格式  
           HttpContext.Current.Response.Buffer = true;  
           HttpContext.Current.Response.Clear();  
           HttpContext.Current.Response.ClearContent();  
           HttpContext.Current.Response.ClearHeaders();  
  
           HttpContext.Current.Response.AppendHeader("Content-Disposition", "attachment;filename=" + HttpUtility.UrlEncode("行政管理制度.doc", System.Text.Encoding.UTF8));  
           HttpContext.Current.Response.ContentType = "application/ms-word";  
  
           HttpContext.Current.Response.Charset = "UTF-8";  
           HttpContext.Current.Response.HeaderEncoding = System.Text.Encoding.UTF8;  
           HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.UTF8;  
           //关闭控件的视图状态  
           Page.EnableViewState = false;  
           //初始化HtmlWriter  
           System.IO.StringWriter writer = new System.IO.StringWriter();  
           System.Web.UI.HtmlTextWriter htmlWriter = new System.Web.UI.HtmlTextWriter(writer);  
           Page.RenderControl(htmlWriter);  
           //输出  
           string pageHtml = writer.ToString();  
           int startIndex = pageHtml.IndexOf("<div style=\"margin: 0 auto;\" id=\"mainContent\">");  
           int endIndex = pageHtml.LastIndexOf("</div>");  
           int lenth = endIndex - startIndex;  
           pageHtml = pageHtml.Substring(startIndex, lenth);  
           pageHtml = pageHtml.Remove(pageHtml.LastIndexOf("<div class=\"flowbar\">"));
           //设置图片路径  
           Uri MyUrl = Request.UrlReferrer;
           pageHtml = pageHtml.Replace("../Images/", "http://" + MyUrl.Authority + "/Images/").Replace("textarea", "span");
           HttpContext.Current.Response.Write(pageHtml.ToString());
           HttpContext.Current.Response.End();  
    }
}