Saving Changes Is Not Permitted On SQL Server 2008 Management Studio.

Saving Changes Is Not Permitted On SQL Server 2008 Management Studio. 

Saving changes is not permitted occurs when doing alter table (table structure is changed):

Change data type on existing columns

Or change allow nulls on existing columns

 

To allow you to save changes after you alter table, do disable prevent changes:

 

1.Open Microsoft SQL Server Management Studio 2008

2.Click Tools, then click Options

3.Click Designers

4.Uncheck prevent saving changes that require table re-creation

5.Click OK

6. Try to alter your table