Urgent DataGrid!!

Does anyone know how to capture from the database to datagrid. I have 2 questions to ask:
1)For example i want to check that the database column called vanancy. if the vanancy is 0, i want to make the link button unable to link to another page.

does anyone know how to capture the database column from the database to insert it into the datagrid all in a row.
2) For example, i want to capture the database column called scheduleTime and insert it into the datagrid all in one row according to the title. HOwever different title will display it to another row.

Pls: reply asap...

Thank You!!