The ornamental design for a tablelamp, as shown and described.
FIG. 1 is a front, left side, top perspective view of a table lamp showing my new design;
FIG. 2 is a rear, right side, bottom perspective view thereof;
FIG. 3 is a front elevational view;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a right side elevational view thereof;
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a bottom plan view, thereof.
The broken lines immediately adjacent to claimed portions represents and unclaimed boundary between claimed and unclaimed surfaces, and the remainder of the broken line represent portions of the lamp which form no part of the claimed design.