DataGrid中的数据导出到Excel中
web.config中:
<appSettings>
<add key="DataPath" value="db/Data.mdb" />
</appSettings>
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Data.OleDb;
using System.Text;
using System.Configuration;

namespace my
{
/// <summary>
/// test3 的摘要说明。
/// </summary>
public class test3 : System.Web.UI.Page
{
protected System.Web.UI.WebControls.DataGrid DataGrid1;

public static string strConn
{
get
{
StringBuilder builder1 = new StringBuilder();
builder1.Append("Provider = Microsoft.Jet.OLEDB.4.0");
builder1.Append("; ");
builder1.Append("Data Source = ");
builder1.Append(HttpContext.Current.Server.MapPath("."));
builder1.Append(@"\");
builder1.Append(ConfigurationSettings.AppSettings["DataPath"]);
return builder1.ToString();
}
}
private void Page_Load(object sender, System.EventArgs e)
{
OleDbConnection conn = new OleDbConnection(strConn);
OleDbCommand com =new OleDbCommand("select top 2 * from news",conn);
OleDbDataAdapter da=new OleDbDataAdapter(com);
DataSet ds=new DataSet();
da.Fill(ds,"news");
DataGrid1.DataSource=ds.Tables["news"].DefaultView;
DataGrid1.DataBind();
OutPutExcel();
}
public void OutPutExcel()
{
//定义文档类型、字符编码
Response.Clear();
Response.Buffer= true;
Response.Charset="GB2312";
//下面这行很重要, attachment 参数表示作为附件下载,您可以改成 online在线打开
//filename=FileFlow.xls 指定输出文件的名称,注意其扩展名和指定文件类型相符,可以为:.doc .xls .txt .htm
Response.AppendHeader("Content-Disposition","attachment;filename=FileFlow.xls");
Response.ContentEncoding=System.Text.Encoding.GetEncoding("GB2312");
//Response.ContentType指定文件类型 可以为application/ms-excel、application/ms-word、application/ms-txt、application/ms-html 或其他浏览器可直接支持文档
Response.ContentType = "application/ms-excel";
this.EnableViewState = false;
// 定义一个输入流
System.IO.StringWriter oStringWriter = new System.IO.StringWriter();
System.Web.UI.HtmlTextWriter oHtmlTextWriter = new System.Web.UI.HtmlTextWriter(oStringWriter);
DataGrid1.RenderControl(oHtmlTextWriter);
//this.RenderControl(oHtmlTextWriter);
//this 表示输出本页,你也可以绑定datagrid,或其他支持obj.RenderControl()属性的控件
Response.Write(oStringWriter.ToString());
Response.End();
}

Web 窗体设计器生成的代码
}
}
<appSettings>
<add key="DataPath" value="db/Data.mdb" />
</appSettings>
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Data.OleDb;
using System.Text;
using System.Configuration;
namespace my
{
/// <summary>
/// test3 的摘要说明。
/// </summary>
public class test3 : System.Web.UI.Page
{
protected System.Web.UI.WebControls.DataGrid DataGrid1;
public static string strConn
{
get
{
StringBuilder builder1 = new StringBuilder();
builder1.Append("Provider = Microsoft.Jet.OLEDB.4.0");
builder1.Append("; ");
builder1.Append("Data Source = ");
builder1.Append(HttpContext.Current.Server.MapPath("."));
builder1.Append(@"\");
builder1.Append(ConfigurationSettings.AppSettings["DataPath"]);
return builder1.ToString();
}
}
private void Page_Load(object sender, System.EventArgs e)
{
OleDbConnection conn = new OleDbConnection(strConn);
OleDbCommand com =new OleDbCommand("select top 2 * from news",conn);
OleDbDataAdapter da=new OleDbDataAdapter(com);
DataSet ds=new DataSet();
da.Fill(ds,"news");
DataGrid1.DataSource=ds.Tables["news"].DefaultView;
DataGrid1.DataBind();
OutPutExcel();
}
public void OutPutExcel()
{
//定义文档类型、字符编码
Response.Clear();
Response.Buffer= true;
Response.Charset="GB2312";
//下面这行很重要, attachment 参数表示作为附件下载,您可以改成 online在线打开
//filename=FileFlow.xls 指定输出文件的名称,注意其扩展名和指定文件类型相符,可以为:.doc .xls .txt .htm
Response.AppendHeader("Content-Disposition","attachment;filename=FileFlow.xls");
Response.ContentEncoding=System.Text.Encoding.GetEncoding("GB2312");
//Response.ContentType指定文件类型 可以为application/ms-excel、application/ms-word、application/ms-txt、application/ms-html 或其他浏览器可直接支持文档
Response.ContentType = "application/ms-excel";
this.EnableViewState = false;
// 定义一个输入流
System.IO.StringWriter oStringWriter = new System.IO.StringWriter();
System.Web.UI.HtmlTextWriter oHtmlTextWriter = new System.Web.UI.HtmlTextWriter(oStringWriter);
DataGrid1.RenderControl(oHtmlTextWriter);
//this.RenderControl(oHtmlTextWriter);
//this 表示输出本页,你也可以绑定datagrid,或其他支持obj.RenderControl()属性的控件
Response.Write(oStringWriter.ToString());
Response.End();
}
Web 窗体设计器生成的代码
}
}


浙公网安备 33010602011771号