how to set Sequence in VS.Net's setup to run MSDE before installing my project

How to prepare project setup which checks whether MSDE is installed on the client machine or not. can any body tell how to set launch condition, that how to set the sequence to install MSDE before the project get installed on the machine.
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Your problem can be solved by using installer classes. ie having a class in your project inherit from Syste.Configuration.Install.Installer class. This class offers you a lot of events like BeforeInstall, AfterInstall, etc to control and customize your installation. So from this class you can check cetain registry keys set by MSDE whether they exist, to detemine if its installed, and if not , you can launch a process that installs it.

More information on using installer classes

for advanced custom solution, have a look at this

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