javascript多文件上传验证asp.net

分类: 技术问答 • 2022-05-17 15:47:49

问题描述：

javascript multiple file upload validation asp.net

答

<input name="uploadedfile[]" id="uploadfile" type="file" multiple="true" />

在javascript
中

In javascript

if(document.getElementById("uploadfile").files.length < 1)
{
   alert("You Forgot to select an image");
   return false;
}

试试看，这可能会有所帮助.

Give it a try, This may help.