Here is How to reproduce the bug:
-Connect to an MSDE installed by .NET SDK
do it this way:
https://sourceforge.net/forum/message.php?
msg_id=2035292
-Select Securyty/Logins
-In "Sql Server Logins" dialog select the username "sa"
that have default language to null
-> error in logins_edit.aspx.vb: NullReferenceException
reason: language can be null
solution:
edit logins_edit.aspx.vb and change
DefLanguage.Items.FindByValue
(Login.DefaultLanguage).Selected = true
to
If Not DefLanguage.Items.FindByValue
(Login.DefaultLanguage) is Nothing Then _
DefLanguage.Items.FindByValue
(Login.DefaultLanguage).Selected = true
HTH (luKa)