AsyncUpload AllowedFileExtensions Dynamically

[Amit]

hello, 
I am using AsyncUpload in ASP.Net with Vb . i want to add File Extension Dynamically from Code behind but it doesn't work. Below is my Code please help me if any one have idea its urgent

Dim strIds as string=".wmv, .mp4, .pdf, .swf"
Dim ids As String() = {strIds}
Upload1.AllowedFileExtensions = ids

[Shinu]

Hello Amit,

Try setting the AllowedFileExtension as shown below.
VB:

Upload1.AllowedFileExtensions = New String() {".wmv", ".mp4"}

Thanks,
Shinu.

[Amit]

Hello Shinu,
Thannk you for quick replying but its not working 
 while i am geting file extension from sql database

e.g.
Dim strIds as string = "select FileExt from sqlserver"