The ornamental design for a tablelamp, as shown and described.
FIG. 1 is a perspective view of the table lamp showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof, the right side elevational view being a mirror image;
FIG. 5 is a top plan view thereof; and,
FIG. 6 is a bottom plan view thereof.
The areas between the break lines in FIGS. 1-4 form no part of the claimed design. The broken line disclosure represents portions of the fixture which forms no part of the claimed design.