.net如何把导数据入到Excel

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Collections;
using System.Data;

public partial class CHS_Office_Employment_Default2 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
BindGrid();

}

public void BindGrid()
{
string strSql = "SELECT * from U_Firm ";
DataTable dt = NetProgram.SqlDB.ExecuteDataTable(CommandType.Text, strSql);
GridView1.DataSource = dt;
GridView1.DataBind();
}

public override void VerifyRenderingInServerForm(Control control)
{
//base.VerifyRenderingInServerForm(control);
}
public void Export(string FileType, string FileName)
{
Response.Clear();
Response.Charset = "GB2312";
Response.ContentEncoding = System.Text.Encoding.UTF8;
Response.AppendHeader("Content-Disposition", "attachment;filename=" + HttpUtility.UrlEncode(FileName, System.Text.Encoding.UTF8).ToString());
Response.ContentType = FileType;
this.EnableViewState = false;
System.IO.StringWriter sw = new System.IO.StringWriter();
HtmlTextWriter hw = new HtmlTextWriter(sw);
GridView1.RenderControl(hw);
string str = hw.InnerWriter.ToString();
Response.Write(sw.ToString());
Response.End();
}

protected void Button1_Click1(object sender, EventArgs e)
{
//方法一： //Export("application/ms-excel", "试试.xls");

//方法二：
Response.Clear(); Response.Buffer = true; Response.Charset = "GB2312"; //设置了类型为中文防止乱码的出现
Response.AppendHeader("Content-Disposition", "attachment;filename=" + TextBox1.Text + ".xls"); //定义输出文件和文件名
Response.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312");//设置输出流为简体中文
Response.ContentType = "application/ms-excel";//设置输出文件类型为excel文件。
this.EnableViewState = false;
System.Globalization.CultureInfo myCItrad = new System.Globalization.CultureInfo("ZH-CN", true);
System.IO.StringWriter oStringWriter = new System.IO.StringWriter(myCItrad);
System.Web.UI.HtmlTextWriter oHtmlTextWriter = new System.Web.UI.HtmlTextWriter(oStringWriter);
this.GridView1.RenderControl(oHtmlTextWriter); Response.Write(oStringWriter.ToString());

}
}

不同格式文档的几种contentType标准

经常用动态语言去输出或获取文件的contentType类型，很多时候不知道什么文件该用哪种contentType类型，下面就是在网上收集来的文件与contentType对应的类型。

文件 => contentType类型

'ez' => 'application/andrew-inset', 

'hqx' => 'application/mac-binhex40', 

'cpt' => 'application/mac-compactpro', 

'doc' => 'application/msword', 

'bin' => 'application/octet-stream', 

'dms' => 'application/octet-stream', 

'lha' => 'application/octet-stream', 

'lzh' => 'application/octet-stream', 

'exe' => 'application/octet-stream', 

'class' => 'application/octet-stream', 

'so' => 'application/octet-stream', 

'dll' => 'application/octet-stream', 

'oda' => 'application/oda', 

'pdf' => 'application/pdf', 

'ai' => 'application/postscript', 

'eps' => 'application/postscript', 

'ps' => 'application/postscript', 

'smi' => 'application/smil', 

'smil' => 'application/smil', 

'mif' => 'application/vnd.mif', 

'xls' => 'application/vnd.ms-excel', 

'ppt' => 'application/vnd.ms-powerpoint', 

'wbxml' => 'application/vnd.wap.wbxml', 

'wmlc' => 'application/vnd.wap.wmlc', 

'wmlsc' => 'application/vnd.wap.wmlscriptc', 

'bcpio' => 'application/x-bcpio', 

'vcd' => 'application/x-cdlink', 

'pgn' => 'application/x-chess-pgn', 

'cpio' => 'application/x-cpio', 

'csh' => 'application/x-csh', 

'dcr' => 'application/x-director', 

'dir' => 'application/x-director', 

'dxr' => 'application/x-director', 

'dvi' => 'application/x-dvi', 

'spl' => 'application/x-futuresplash', 

'gtar' => 'application/x-gtar', 

'hdf' => 'application/x-hdf', 

'js' => 'application/x-javascript', 

'skp' => 'application/x-koan', 

'skd' => 'application/x-koan', 

'skt' => 'application/x-koan', 

'skm' => 'application/x-koan', 

'latex' => 'application/x-latex', 

'nc' => 'application/x-netcdf', 

'cdf' => 'application/x-netcdf', 

'sh' => 'application/x-sh', 

'shar' => 'application/x-shar', 

'swf' => 'application/x-shockwave-flash', 

'sit' => 'application/x-stuffit', 

'sv4cpio' => 'application/x-sv4cpio', 

'sv4crc' => 'application/x-sv4crc', 

'tar' => 'application/x-tar', 

'tcl' => 'application/x-tcl', 

'tex' => 'application/x-tex', 

'texinfo' => 'application/x-texinfo', 

'texi' => 'application/x-texinfo', 

't' => 'application/x-troff', 

'tr' => 'application/x-troff', 

'roff' => 'application/x-troff', 

'man' => 'application/x-troff-man', 

'me' => 'application/x-troff-me', 

'ms' => 'application/x-troff-ms', 

'ustar' => 'application/x-ustar', 

'src' => 'application/x-wais-source', 

'xhtml' => 'application/xhtml+xml', 

'xht' => 'application/xhtml+xml', 

'zip' => 'application/zip', 

'au' => 'audio/basic', 

'snd' => 'audio/basic', 

'mid' => 'audio/midi', 

'midi' => 'audio/midi', 

'kar' => 'audio/midi', 

'mpga' => 'audio/mpeg', 

'mp2' => 'audio/mpeg', 

'mp3' => 'audio/mpeg', 

'aif' => 'audio/x-aiff', 

'aiff' => 'audio/x-aiff', 

'aifc' => 'audio/x-aiff', 

'm3u' => 'audio/x-mpegurl', 

'ram' => 'audio/x-pn-realaudio', 

'rm' => 'audio/x-pn-realaudio', 

'rpm' => 'audio/x-pn-realaudio-plugin', 

'ra' => 'audio/x-realaudio', 

'wav' => 'audio/x-wav', 

'pdb' => 'chemical/x-pdb', 

'xyz' => 'chemical/x-xyz', 

'bmp' => 'image/bmp', 

'gif' => 'image/gif', 

'ief' => 'image/ief', 

'jpeg' => 'image/jpeg', 

'jpg' => 'image/jpeg', 

'jpe' => 'image/jpeg', 

'png' => 'image/png', 

'tiff' => 'image/tiff', 

'tif' => 'image/tiff', 

'djvu' => 'image/vnd.djvu', 

'djv' => 'image/vnd.djvu', 

'wbmp' => 'image/vnd.wap.wbmp', 

'ras' => 'image/x-cmu-raster', 

'pnm' => 'image/x-portable-anymap', 

'pbm' => 'image/x-portable-bitmap', 

'pgm' => 'image/x-portable-graymap', 

'ppm' => 'image/x-portable-pixmap', 

'rgb' => 'image/x-rgb', 

'xbm' => 'image/x-xbitmap', 

'xpm' => 'image/x-xpixmap', 

'xwd' => 'image/x-xwindowdump', 

'igs' => 'model/iges', 

'iges' => 'model/iges', 

'msh' => 'model/mesh', 

'mesh' => 'model/mesh', 

'silo' => 'model/mesh', 

'wrl' => 'model/vrml', 

'vrml' => 'model/vrml', 

'css' => 'text/css', 

'html' => 'text/html', 

'htm' => 'text/html', 

'asc' => 'text/plain', 

'txt' => 'text/plain', 

'rtx' => 'text/richtext', 

'rtf' => 'text/rtf', 

'sgml' => 'text/sgml', 

'sgm' => 'text/sgml', 

'tsv' => 'text/tab-separated-values', 

'wml' => 'text/vnd.wap.wml', 

'wmls' => 'text/vnd.wap.wmlscript', 

'etx' => 'text/x-setext', 

'xsl' => 'text/xml', 

'xml' => 'text/xml', 

'mpeg' => 'video/mpeg', 

'mpg' => 'video/mpeg', 

'mpe' => 'video/mpeg', 

'qt' => 'video/quicktime', 

'mov' => 'video/quicktime', 

'mxu' => 'video/vnd.mpegurl', 

'avi' => 'video/x-msvideo', 

'movie' => 'video/x-sgi-movie', 

'ice' => 'x-conference/x-cooltalk