我想在上传文件夹中只上传jpg文件？ [英] i want upload only jpg file in upload folder ?

问题描述

我正在使用文件上传控件上传上传文件夹中的图片

我如何才能修复jpg格式上传



PLZ帮助







谢谢

解决方案

< blockquote>请完成解决方案...

  if （FileUpload1.HasFile）
 {
  string  extension = System.IO.Path.GetExtension（FileUpload1.FileName）; 
 
  if （extension ==   .jpg）
 {
 FileUpload1.SaveAs（  yourpath  + FileUpload1.FileName）; 
 
} 
  else  
 {
 Response.Write（ 只允许.Jpg）; 
} 
} 

看到：

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

http：//www.aspdotnet-suresh。 com / 2010/12 / how-to-validate-file-type-in​​-file.html [ ^ ]

http://www.c-sharpcorner.com/UploadFile/99bb20/validation-for-file- upload-control-in-Asp-Net / [ ^ ]

i am using a file upload control to upload images in a upload folder
how i can fix only jpg format to upload

plz help



thanks

解决方案

Please go through the solution...

if (FileUpload1.HasFile)
{
    string extension = System.IO.Path.GetExtension(FileUpload1.FileName);

    if (extension == ".jpg")
    {
        FileUpload1.SaveAs("yourpath" + FileUpload1.FileName);

    }
    else
    {
    Response.Write("Only .Jpg allowed");
    }
}

See this:
http://www.aspsnippets.com/Articles/ASPNet-FileUpload-File-Extension-Validation.aspx[^]
http://www.aspdotnet-suresh.com/2010/12/how-to-validate-file-type-in-file.html[^]
http://www.c-sharpcorner.com/UploadFile/99bb20/validation-for-file-upload-control-in-Asp-Net/[^]

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