Procedure to follow SharePoint 2007 to allow inline coding.

• Go to web.config file of your SharePoint site.
• Open with visual studio or notepad.
• Search for pageparserpath tag.
• Add pageparserpath in between page parser path.
• Now create a web part & write the code you want to generate within a master page.
• Now open your SharePoint site with SharePoint designer.
• Go to your master page.
• Create one table.
• Give it’s width as 100%
• Now in td specify it as runat=’server’.
• Now keep the code snippets. Ex :-<%%>.
• Now in that code snippets Keep your generated code from web part.