[英]Export to .csv File
I had problem with export data to .csv file. 我有导出数据到.csv文件的问题。 I use 2 methods.
我用2种方法。
Encoding csvEncoding = new UTF8SignatureEncoding();
byte[] csvFile = TestByte(CsvContentDelimiter.NewLine, CsvContentDelimiter.Semicolon, csvEncoding);
string attachment = String.Format("attachment; filename={0}.csv", "docs_inv");
Response.Clear();
Response.ClearHeaders();
Response.ClearContent();
Response.ContentType = "text/csv";
Response.ContentEncoding = csvEncoding;
Response.AppendHeader("Content-Disposition", attachment);
Response.BinaryWrite(csvFile);
Response.Flush();
Response.End();
And 和
public byte[] TestByte(CsvContentDelimiter rowDelimiter, CsvContentDelimiter columnDelimiter, Encoding encoding)
{
StringBuilder sb = new StringBuilder();
sb.Append("product;");
return encoding.GetBytes(sb.ToString());
}
This code create .csv file, but file have bad Encoding and i see only some "hash" 这段代码创建.csv文件,但文件有不好的编码,我只看到一些“哈希”
Here is a fully working example using UTF8 formatting. 这是一个使用UTF8格式的完整工作示例。 It uses your own code so shows that it is your Encoding that is causing the issue:
它使用您自己的代码,因此显示导致问题的是您的编码:
namespace WebApplication1
{
using System;
using System.Text;
public partial class _Default : System.Web.UI.Page
{
protected void btnExport_Click(object sender, EventArgs e)
{
// Use UTF8 encoding
Encoding csvEncoding = Encoding.UTF8;
byte[] csvFile = TestByte(csvEncoding);
string attachment = String.Format("attachment; filename={0}.csv", "docs_inv");
Response.Clear();
Response.ClearHeaders();
Response.ClearContent();
Response.ContentType = "text/csv";
Response.ContentEncoding = csvEncoding;
Response.AppendHeader("Content-Disposition", attachment);
Response.BinaryWrite(csvFile);
Response.Flush();
Response.End();
}
public byte[] TestByte(Encoding encoding)
{
StringBuilder sb = new StringBuilder();
sb.AppendFormat("Record1,Fred,Bloggs,26{0}", Environment.NewLine);
sb.AppendFormat("Record2,John,Smith,32{0}", Environment.NewLine);
return encoding.GetBytes(sb.ToString());
}
}
}
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