C# 错误\u响应\u标题\u多个\u内容\u处置
我要求只需单击一个按钮即可导出2个csv文件。下面是我生成2个csv文件的代码:C# 错误\u响应\u标题\u多个\u内容\u处置,c#,asp.net,csv,c#-4.0,export-to-csv,C#,Asp.net,Csv,C# 4.0,Export To Csv,我要求只需单击一个按钮即可导出2个csv文件。下面是我生成2个csv文件的代码: using System.Data; using System.Data.SqlClient; using System.Text; using System.IO; using System; using System.Configuration; using System.IO.Packaging; using System.Web; namespace ExportToCsv { public pa
using System.Data;
using System.Data.SqlClient;
using System.Text;
using System.IO;
using System;
using System.Configuration;
using System.IO.Packaging;
using System.Web;
namespace ExportToCsv
{
public partial class WebForm1 : System.Web.UI.Page
{
//Build the CSV file data as a Comma separated string.
string csvHeader = string.Empty;
//Build the CSV file data as a Comma separated string.
string csvDetails = string.Empty;
protected void Page_Load(object sender, EventArgs e)
{
}
protected void ExportCSV(object sender, EventArgs e)
{
string constr = ConfigurationManager.ConnectionStrings["ConStr"].ConnectionString;
using (SqlConnection con = new SqlConnection(constr))
{
using (SqlCommand cmd = new SqlCommand("select * from mytable-1")
{
using (SqlDataAdapter sda = new SqlDataAdapter())
{
cmd.Connection = con;
sda.SelectCommand = cmd;
using (DataTable dt = new DataTable())
{
sda.Fill(dt);
//foreach (DataRow rows in dt.Rows)
//{
foreach (DataColumn column in dt.Columns)
{
//Add the Header row for CSV file.
csvHeader += column.ColumnName + ' ';
}
//Add new line.
csvHeader += "\r\n";
foreach (DataRow row in dt.Rows)
{
foreach (DataColumn column in dt.Columns)
{
//Add the Data rows.
csvHeader += row[column.ColumnName].ToString().Replace(",", ";") + ' ';
}
//Add new line.
csvHeader += "\r\n";
}
//}
Response.Clear();
Response.Buffer = true;
Response.AddHeader("content-disposition", "attachment;filename=HeaderSection.txt");
Response.Charset = "";
Response.ContentType = "application/text";
Response.Output.Write(csvHeader);
}
}
}
using (SqlCommand cmd = new SqlCommand("select * from mytable-2")
{
using (SqlDataAdapter sda = new SqlDataAdapter())
{
cmd.Connection = con;
sda.SelectCommand = cmd;
using (DataTable dt = new DataTable())
{
sda.Fill(dt);
//foreach (DataRow rows in dt.Rows)
//{
foreach (DataColumn column in dt.Columns)
{
//Add the Header row for CSV file.
csvDetails += column.ColumnName + ' ';
}
//Add new line.
csvDetails += "\r\n";
foreach (DataRow row in dt.Rows)
{
foreach (DataColumn column in dt.Columns)
{
//Add the Data rows.
csvDetails += row[column.ColumnName].ToString().Replace(",", ";") + ' ';
}
//Add new line.
csvDetails += "\r\n";
}
//}
// Download the CSV file.
Response.Clear();
Response.Buffer = true;
Response.AddHeader("content-disposition", "attachment;filename=DetailSection.txt");
Response.Charset = "";
Response.ContentType = "application/text";
Response.Output.Write(csvDetails);
Response.Flush();
Response.End();
}
}
}
}
}
}
}
我从两个不同的表中获取数据,并分别以csv格式导出数据。如果我使用语句删除了第二个,功能会运行得很好,但当我添加第二个语句时,使用
语句写入第二个csv,我的浏览器(Chrome)会给出错误错误响应\u标题\u多内容\u配置
请帮忙。提前感谢。您不能这样做,因为HTTP不支持它。您可以将两个文件捆绑成一个文件(例如ZIP文件)并发送给客户端。我通过本文解决了这个问题
这个错误上个星期一直困扰着我。此错误特定于Google Chrome。但chrome本身并没有缺陷,因为其他浏览器忽略了重复的标题,这似乎是chrome的一个问题。如果您或您的web应用程序正在发送标题,则可以通过以下方式轻松解决此问题
1-使用“”括起文件名。i、 e
标题('Content-Disposition:attachment;filename=“.”.$file_name.'”)
而不是
标题('Content-Disposition:attachment;filename='。$file\u name)
2-如有可能,将空格和逗号(,)替换为下划线(33;)
$file_name=str_replace(数组(“,“,”,“,”,”),“,”,$file_name)
3-通过将可选的replace参数设置为true,显式告诉PHP重写标题
标题('Content-type:application/pdf',true)
是否可以使用我发布的代码来压缩文件。这意味着我正在动态生成文件,我想将它们添加到ZIP中,然后在系统中下载。我阅读了许多关于ZIP的文章,所有这些文章都指定了将文件添加到ZIP中的文件路径。在我的情况下,我没有路径。很好,这对我来说非常有效。非常感谢