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C# 文件下载遇到了Ajax

文件下载按钮事件为C# code:

string filePath = "D:\\1.jpg";//路径

FileInfo fileInfo = new FileInfo(filePath);

Response.Clear();

Response.ClearContent();

Response.ClearHeaders();

Response.AddHeader("Content-Disposition", "attachment;filename=" + fileInfo.FullName);

Response.AddHeader("Content-Transfer-Encoding", "binary");

Response.Charset = "gb2312";
Response.ContentType = "text/xml";
//Response.Charset = "utf-8";

//Response.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312");

Response.WriteFile(fileInfo.FullName);

Response.Flush(); Response.End();

前台里我也放了C# code:
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>


可是死活都出msxml3.dll: 系统错误: -1072896748。

快疯了,大侠帮帮忙吧
和 ajax 有什么关系?

没有AJAX一切都OK,加了AJAX就这样了

ajax 加在哪了?

加在前台页面了啊~C# code



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