SQl Conection string

Hy i have visual studio 2008 an i have the next code :

 Public sqlCo As New SqlCoection
 Dim SQLCo As SqlCoection

'on form load
Sub FMain_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
    sqlCo.CoectionString = "Data Source=...."

but i recive the next error : " Error 1 Type 'SqlCoection' is not defined."

can anybody give me a hit ?

Than you