masom,
Is that possible you disable the paste funtion by mistake?
Please check your web.config file.
Admin_EditorOnPaste = "default"
Registered_EditorOnPaste = "default"
Guest_EditorOnPaste = "default"
And make sure the above settings are not set to "disabled".
Keep me posted
asp.net Chat http://cutesoft.net/ASP.NET+Chat/default.aspx
Web Messenger: http://cutesoft.net/Web-Messenger/default.aspx
asp.net wysiwyg editor: http://cutesoft.net/ASP.NET+WYSIWYG+Editor/default.aspx
asp wysiwyg html editor: http://cutesoft.net/ASP
asp.net Image Gallery: http://cutesoft.net/ASP.NET+Image+Gallery/default.aspx
Live Support: http://cutesoft.net/live-support/default.aspx