我正在尝试将列表导出为CSV文件。我得到了所有的工作,直到我想要写入到响应流的文件中。这不会做任何事情。
下面是我的代码:
从页面调用该方法。
$('#btn_export').click(function () {
$.post('NewsLetter/Export');
});
控制器中的代码如下:
[HttpPost]
public void Export()
{
try
{
var filter = Session[FilterSessionKey] != null ? Session[FilterSessionKey] as SubscriberFilter : new SubscriberFilter();
var predicate = _subscriberService.BuildPredicate(filter);
var compiledPredicate = predicate.Compile();
var filterRecords = _subscriberService.GetSubscribersInGroup().Where(x => !x.IsDeleted).AsEnumerable().Where(compiledPredicate).GroupBy(s => s.Subscriber.EmailAddress).OrderBy(x => x.Key);
ExportAsCSV(filterRecords);
}
catch (Exception exception)
{
Logger.WriteLog(LogLevel.Error, exception);
}
}
private void ExportAsCSV(IEnumerable<IGrouping<String, SubscriberInGroup>> filterRecords)
{
var sw = new StringWriter();
//write the header
sw.WriteLine(String.Format("{0},{1},{2},{3}", CMSMessages.EmailAddress, CMSMessages.Gender, CMSMessages.FirstName, CMSMessages.LastName));
//write every subscriber to the file
var resourceManager = new ResourceManager(typeof(CMSMessages));
foreach (var record in filterRecords.Select(x => x.First().Subscriber))
{
sw.WriteLine(String.Format("{0},{1},{2},{3}", record.EmailAddress, record.Gender.HasValue ? resourceManager.GetString(record.Gender.ToString()) : "", record.FirstName, record.LastName));
}
Response.Clear();
Response.AddHeader("Content-Disposition", "attachment; filename=adressenbestand.csv");
Response.ContentType = "text/csv";
Response.Write(sw);
Response.End();
}
但在Response.Write(sw)
之后,什么都没有发生。用这种方式保存文件是可能的吗?
问候
编辑
当我点击按钮时,我看到的响应头是:
HTTP/1.1 200 OK
Cache-Control: private
Content-Type: text/csv; charset=utf-8
Server: Microsoft-IIS/7.5
X-AspNetMvc-Version: 2.0
Content-Disposition: attachment; filename=adressenbestand.csv
X-Powered-By: ASP.NET
Date: Wed, 12 Jan 2011 13:05:42 GMT
Content-Length: 113
这对我来说还可以..
编辑
我去掉了jQuery的en部分,取而代之的是一个超链接,这对我来说工作得很好:
<a class="export" href="NewsLetter/Export">exporteren</a>
https://stackoverflow.com/questions/4668906
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