Question : string numeric and text

If ClientFileNo is numeric and CaseNotesDate is a date, is there a better way to create this string?  It works but it's slow.

strKey1 = "[ClientFileNo] =  " & txtClientFileNo & "AND [CaseNotesDate] = " & cboCaseNotesDate.Value & ""

rs.FindFirst strKey1

Answer : string numeric and text

cant remember syntax exactly but have a look at  create index

here is the t-sql for sql server http://msdn.microsoft.com/en-us/library/ms188783.aspx