C# CSOM OpenBinaryDirect not working for files contains # in their name.

Question

Below code not working if file name contains #.

var fileInfo = Microsoft.SharePoint.Client.File.OpenBinaryDirect(clientContext, fileRef);

Thanks.

Answer 1

Hi @Amit ,
Special characters are not supported on CSOM .Here is a related document you can look at:
https://support.microsoft.com/en-us/office/restrictions-and-limitations-in-onedrive-and-sharepoint-64883a5d-228e-48f5-b3d2-eb39e07630fa?ui=en-us&rs=en-us&ad=us

---

If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.

---

Answer 2

Working with HttpUtility.UrlPathEncode.
for e.g.
HttpUtility.UrlPathEncode(file.ServerRelativeUrl, false);
As file.ServerRelativeUrl parameter contains special character.