将DataSet中的数据保存到execl文件 请教如何将DataSet中的数据保存到execl文件中,给些代码 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 写个导出EXCEL的类了using System;using System.Data;using System.Configuration;using System.Web;using System.Web.Security;using System.Web.UI;using System.Web.UI.WebControls;using System.Web.UI.WebControls.WebParts;using System.Web.UI.HtmlControls;using System.Collections;/// <summary>/// ToExcel 的摘要说明/// </summary>public class ToExcel{ public ToExcel() { // // TODO: 在此处添加构造函数逻辑 // } /// <summary> /// 导出excel /// </summary> /// <param name="ds">数据集</param> /// <param name="FileName">文件名</param> public void CreateExcel(System.Web.UI.Page page,DataSet ds, ArrayList Title, string FileName) { HttpResponse resp; resp = page.Response; resp.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312"); resp.ContentType = "application/ms-excel"; resp.AddHeader("Content-Disposition", "attachment; filename=" + System.Web.HttpUtility.UrlEncode(FileName, System.Text.Encoding.UTF8) + ".xls"); page.EnableViewState = false; string colHeaders = "", Is_item = ""; int i = 0; //定义表对象与行对象,同时使用DataSet对其值进行初始化 DataTable dt = ds.Tables[0]; DataRow[] myRow = dt.Select(""); //取得数据表各列标题,标题之间以\t分割,最后一个列标题后加回车符 for (i = 0; i < Title.Count; i++) { //colHeaders += dt.Columns[i].Caption.ToString() + "\t"; colHeaders += Title[i].ToString() + "\t"; } colHeaders += "\n"; resp.Write(colHeaders); //逐行处理数据 foreach (DataRow row in myRow) { //在当前行中,逐列取得数据,数据之间以\t分割,结束时加回车符\n for (i = 0; i < dt.Columns.Count; i++) { Is_item += row[i].ToString() + "\t"; } Is_item += "\n"; resp.Write(Is_item); Is_item = ""; } resp.End(); }} 我的失物,是将CS应用程序中的DataSet对象中的数据保存到excel文件中 不知道是生成EXECL文件,还是在原来有数据的EXCEL文件中把数据再加进去。 DataSet ds = dao.CustomSelect("SQL语句"); if (ds == null || ds.Tables[0] == null || ds.Tables[0].Rows.Count == 0) { return; } Response.Clear(); //Encoding pageEncode = Encoding.GetEncoding(PageEncode); HttpContext.Current.Response.Charset = "gb2312"; Response.ContentType = "application/vnd-excel";//"application/vnd.ms-excel"; //Response.ContentType = "application/x-octet-stream";//"application/vnd.ms-excel"; //Response.ContentType = "text/csv";//"application/vnd.ms-excel"; Response.AppendHeader("Content-Disposition", "attachment;filename=Order.xls"); System.IO.StringWriter oSW = new System.IO.StringWriter(); HtmlTextWriter oHW = new HtmlTextWriter(oSW); DataGrid dg = new DataGrid(); dg.DataSource = ds.Tables[0]; dg.DataBind(); dg.RenderControl(oHW); Response.Write(oSW.ToString()); Response.Flush(); Response.Close(); http://topic.csdn.net/u/20100127/20/7886424f-cb76-4a01-804c-e18d51c516ae.html?22398 不要在这里找答案,上csdn,先上Google,百度那里的答案比这里更全,也更彻底 把network service用户加入Administrators组会不会不安全 弹出层问题 关于页面多个传值问题 在<%# ....... %>中如何加条件判断? 怎么判断Cookies为空啊? 关于 邮件 验证 注册 的 奇怪现象???? 一小段js代码想实现:11|22|33|44 确变成了:1122|2233|3344|44 JS 怪问题 仁兄救命 有没有好点asp.net论坛上的投票系统 系统找不到指定路径 求助 sql insert into 服务器: 消息 8152,级别 16,状态 9,行 1 100分 一个关于freetextbox的问题 在线等
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Collections;/// <summary>
/// ToExcel 的摘要说明
/// </summary>
public class ToExcel
{
public ToExcel()
{
//
// TODO: 在此处添加构造函数逻辑
//
} /// <summary>
/// 导出excel
/// </summary>
/// <param name="ds">数据集</param>
/// <param name="FileName">文件名</param>
public void CreateExcel(System.Web.UI.Page page,DataSet ds, ArrayList Title, string FileName)
{
HttpResponse resp;
resp = page.Response;
resp.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312");
resp.ContentType = "application/ms-excel";
resp.AddHeader("Content-Disposition", "attachment; filename=" + System.Web.HttpUtility.UrlEncode(FileName, System.Text.Encoding.UTF8) + ".xls");
page.EnableViewState = false;
string colHeaders = "", Is_item = "";
int i = 0; //定义表对象与行对象,同时使用DataSet对其值进行初始化
DataTable dt = ds.Tables[0];
DataRow[] myRow = dt.Select("");
//取得数据表各列标题,标题之间以\t分割,最后一个列标题后加回车符
for (i = 0; i < Title.Count; i++)
{
//colHeaders += dt.Columns[i].Caption.ToString() + "\t";
colHeaders += Title[i].ToString() + "\t";
}
colHeaders += "\n"; resp.Write(colHeaders);
//逐行处理数据
foreach (DataRow row in myRow)
{
//在当前行中,逐列取得数据,数据之间以\t分割,结束时加回车符\n
for (i = 0; i < dt.Columns.Count; i++)
{
Is_item += row[i].ToString() + "\t";
}
Is_item += "\n";
resp.Write(Is_item);
Is_item = "";
}
resp.End(); }
}
DataSet ds = dao.CustomSelect("SQL语句");
if (ds == null || ds.Tables[0] == null || ds.Tables[0].Rows.Count == 0) { return; }
Response.Clear();
//Encoding pageEncode = Encoding.GetEncoding(PageEncode);
HttpContext.Current.Response.Charset = "gb2312";
Response.ContentType = "application/vnd-excel";//"application/vnd.ms-excel";
//Response.ContentType = "application/x-octet-stream";//"application/vnd.ms-excel";
//Response.ContentType = "text/csv";//"application/vnd.ms-excel";
Response.AppendHeader("Content-Disposition", "attachment;filename=Order.xls");
System.IO.StringWriter oSW = new System.IO.StringWriter();
HtmlTextWriter oHW = new HtmlTextWriter(oSW);
DataGrid dg = new DataGrid();
dg.DataSource = ds.Tables[0];
dg.DataBind();
dg.RenderControl(oHW);
Response.Write(oSW.ToString());
Response.Flush();
Response.Close();