How I can create a windows aplication for a sql databaseand search the content of a column?

See the data samples located here:

http://msdn2.microsoft.com/en-us/vbasic/ms789075.aspx#data

See the data samples located here:

http://msdn2.microsoft.com/en-us/vbasic/ms789075.aspx#data

there are also many examples on the forums, try a search and hopefully you will see many hits and many ways of going about searching a database and retrieving information as well as viewing it to the user