SQL Code: Was ist falsch?

[r_kerber]

Delphi-Quellcode:

Form1.Frame21.Query1.SQL.Add('SELECT * FROM Adressbuch WHERE Name = ' + QuotedStr (Edit1.Text));

Form1.Frame21.Query1.ParamByName('Suche').AsString := '%' + LowerCase(Edit1.Text) + '%';