如何从asp.net中的fileupload控件上传特定文件 [英] how to upload the particular files from fileupload control in asp.net

问题描述

大家好，我有一个FileUpload控件和Button.当单击fileupload控件时，我只希望获取.txt和.doc文件.

请任何一个帮助.

Hi Guys, i have a FileUpload control and Button. when clicking on the fileupload control i want getting only .txt and .doc files.

Please any one help.

推荐答案

请检查以下文章中的示例:

http://www.aspsnippets.com/Articles/ASPNet-FileUpload-File-Extension- Validation.aspx [ ^ ]

please check the examples in the following article:

http://www.aspsnippets.com/Articles/ASPNet-FileUpload-File-Extension-Validation.aspx[^]

Try this - It works correctly

if (fileUpload.HasFile)
{
System.IO.FileInfo sr = new System.IO.FileInfo(Server.MapPath(fileUpload1.FileName));
     if (sr.Extension == ".txt")
     {
         //Your Code to Save File
     }  
     else
     {
         lblStatus.Text="Select txt File";
     }
}

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