// set parameter for export to txtfile
public ExportParameter.TxtFile SetReportParameter(string filename, IList <string> listData)
{
try
{
if (string.IsNullOrEmpty(filename))
{
throw new Exception("Filename to export is not null or empty.");
}
if (listData == null || listData.Count == 0)
{
throw new Exception("Data to export is not null or empty.");
}
var parameter = new ExportParameter.TxtFile()
{
FileName = filename,
ListData = listData
};
return(parameter);
}
catch (Exception ex)
{
throw ex;
}
}
// Export to txtfile
public void ExportToTxtfile(ExportParameter.TxtFile parameter)
{
try
{
if (parameter == null)
{
throw new Exception("parameter to export is not null.");
}
string filename = parameter.FileName;
HttpContext.Current.Response.Clear();
HttpContext.Current.Response.ClearContent();
HttpContext.Current.Response.ClearHeaders();
HttpContext.Current.Response.Buffer = true;
HttpContext.Current.Response.ContentType = "text/plain";
HttpContext.Current.Response.Charset = "windows-874"; // ระบบปลายทางต้องการ format UNIX ANSI จึงต้องใช้ windows-874
HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.GetEncoding(874);
HttpContext.Current.Response.AddHeader("Content-Disposition", String.Format("attachment; filename={0}", filename));
using (StreamWriter sw = new StreamWriter(HttpContext.Current.Response.OutputStream, Encoding.Default))
{
foreach (string txt in parameter.ListData)
{
sw.WriteLine(txt);
}
}
HttpContext.Current.Response.Flush();
HttpContext.Current.Response.End();
}
catch (Exception ex)
{
throw ex;
}
}