a few c# simple windows application questions

hi all, im just about to begin converting my asp.net cms to a windows application

jsut a few dumb questions as this is my first effort...

1. so i have one main form then all other forms are childforms?
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2. how do i preview a a form? i keep pressing debug but it only loads the first form i created and i have no menu on that yey
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3. theres no repeater! i heard you can customise the datagrid to do the same though? can we make it look pretty?
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4. once ready to deploy do i create a package then distribute? also how would i preform updates?
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5. would the app be fine having to remoteley connect to an sql server?
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6. when i was creating a dataset it gave me a warning about no security on the connection, how do i apply it or is this not nessecary?
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Thanks alot guys