The ornamental design for a tablelamp, as shown and described.
FIG. 1 is a front elevational view of a table lamp showing my new design;
FIG. 2 is a side elevational view thereof, the side opposite being a mirror image of that shown;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is an enlarged fragmentary front elevational view thereof, with the remaining portions of the table lamp omitted for clarity of illustration; and,
FIG. 6 is an enlarged fragmentary perspective view of the base thereof, with the remaining portions of the table lamp omitted for clarity of illustration.