I developed a little application called DBinstaller, that when I run it it show a winform people just need to fill the server name and the datebase name,then click ok the database you need will been installed, it alse can import a xml file which contains more database imformation,after running it the App will install the database with tables. but today I wang put this tool into another project's insatller I put the tool into the custom action.when I start to install the new APP the DBinstaller can run but when i click the button "ok" nothing goes on.i think it maybe the dbinstaller has no permission to create a database ,someone can help me to solve the problem.thx.