The ornamental design for a tablelamp, as shown and described.
FIG. 1 is a perspective view of the present invention, a table lamp;
FIG. 2 is front elevational view of the present invention showing the table lamp;
FIG. 3 is a right side elevational view of the present invention showing the table lamp, the left side elevational view being a substantial mirror image;
FIG. 4 is a rear elevational view of the present invention showing the table lamp; and,
FIG. 5 is a bottom view of the present invention showing the table lamp.