The ornamental design for a table with touchscreensurface, as shown and described.
FIG. 1 is a perspective view of a table with touchscreen surface in accordance with the present design;
FIG. 2 is a top plan view of the table with touchscreen surface of FIG. 1;
FIG. 3 is a side elevation view of the table with touchscreen surface of FIG. 1, right-side and left-side elevation views being mirror images of one another;
FIG. 4 is an end elevation plan view of the table with touchscreen surface of FIG. 1, both end elevation views being mirror images of one another; and,
FIG. 5 is a bottom plan view of the table with touchscreen surface of FIG. 1.
The broken line portions are included to show environmental unclaimed subject matter only and form no part of the claimed design.