RegularExpressionValidator 验证通过,后台Page.IsValid为false
<asp:FileUpload ID="fileupload_video" runat="server" />
<asp:RegularExpressionValidator
id="FileUpLoadValidator" runat="server"
ErrorMessage="上传图片只能为.jpg或.gif"
ValidationExpression="^([a-zA-Z]:\\)[0-9a-zA-Z\u4e00-\u9fa5\w\s\\!@#\$%^&\*\(\)_\+\-=\[\]{};'\,\.]*(.jpg|.JPG|.gif|.GIF|.bmp|.BMP)$"
ControlToValidate="fileupload_video" EnableClientScript="false" ></asp:RegularExpressionValidator>
<ASP:RequiredFieldValidator
id="RequiredFieldValidator1" runat="server"
ErrorMessage="这个文件路径错误!"
ControlToValidate="fileupload_video"></ASP:RequiredFieldValidator>