的错误,又检查代码,没发现问题啊,搞了一会弄不出来,然后搜索了一下,发现了解决办法:
修改你的aspx文件中的:
<%@ Page Language="C#" EnableEventValidation = "false" AutoEventWireup="true" CodeFile="SysUser.aspx.cs" Inherits="Autho_SysUser2" %> 增加红色的部分就ok了。
public override void VerifyRenderingInServerForm(Control control)
{
// Confirms that an HtmlForm control is rendered for
}
public static void ToExcel(Control ctl, string FileName)
{
HttpContext.Current.Response.Charset = "gb2312";
HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.Default;
HttpContext.Current.Response.ContentType = "application/ms-excel";
HttpContext.Current.Response.AppendHeader("Content-Disposition", "attachment;filename=" + "" + FileName);
ctl.Page.EnableViewState = false;
System.IO.StringWriter tw = new System.IO.StringWriter();
HtmlTextWriter hw = new HtmlTextWriter(tw);
ctl.RenderControl(hw);
HttpContext.Current.Response.Write(tw.ToString());
HttpContext.Current.Response.End();
}
但是一试,便出现了乱码,解决方案如下 public static void Export(System.Web.UI.Page page, System.Web.UI.Control dg, string fileName, string typeName)
{
System.Web.HttpResponse httpResponse =page.Response;
httpResponse.AppendHeader
("Content-Disposition", "attachment;filename="
+ HttpUtility.UrlEncode(fileName, System.Text.Encoding.UTF8));
httpResponse.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312");
httpResponse.ContentType = typeName;
System.IO.StringWriter tw = new System.IO.StringWriter();
System.Web.UI.HtmlTextWriter hw = new System.Web.UI.HtmlTextWriter(tw);
dg.RenderControl(hw);
string filePath = page.Server.MapPath("..") + fileName;
System.IO.StreamWriter sw = System.IO.File.CreateText(filePath);
sw.Write(tw.ToString());
sw.Close();
DownFile(httpResponse, fileName, filePath);
httpResponse.End();
}
public static bool DownFile(System.Web.HttpResponse Response, string fileName, string fullPath)
{
try
{
Response.ContentType = "application/octet-stream";
Response.AppendHeader("Content-Disposition", "attachment;filename=" +
HttpUtility.UrlEncode(fileName, System.Text.Encoding.UTF8) + ";charset=GB2312");
System.IO.FileStream fs = System.IO.File.OpenRead(fullPath);
long fLen = fs.Length;
int size = 102400;//每100K同时下载数据
byte[] readData = new byte[size];//指定缓冲区的大小
if (size > fLen) size = Convert.ToInt32(fLen);
long fPos = 0;
bool isEnd = false;
while (!isEnd)
{
if ((fPos + size) > fLen)
{
size = Convert.ToInt32(fLen - fPos);
readData = new byte[size];
isEnd = true;
}
fs.Read(readData, 0, size);//读入一个压缩块
Response.BinaryWrite(readData);
fPos += size;
}
fs.Close();
System.IO.File.Delete(fullPath);
return true;
}
catch
{
return false;
}
}
怎么调用?? 其实就是怎么调用Export这个函数罢了.
以上方法可以很有效地解决导出的乱码问题