ADOquery1.SQL.Add('Insert into admins');
ADOquery1.SQL.Add('([Name] , [Surname], [Dateadded], [Adminnumber], [Password])');  
ADOquery1.SQL.Add('Values (:Name, :Surname, :Dateadded, :adminnumber, :Password)');
ADOquery1.Parameters.ParamByName('Name').Value := edit11.Text;
ADOquery1.Parameters.ParamByName('Surname').Value := edit12.Text;
ADOquery1.Parameters.ParamByName('Dateadded').Value := edit13.Text;
ADOquery1.Parameters.ParamByName('Password').Value := edit14.Text;
ADOquery1.Parameters.ParamByName('Adminnumber').Value := edit15.Text;
ADOquery1.ExecSQL;
ADOquery1.SQL.Text := 'Select * from admins';
ADOquery1.Open;