The ornamental design for a displaypanel with graphicaluser interface, as shown and described.
FIG. 1 is a front view of a display panel with graphical user interface;
FIG. 2 is a left side elevational view thereof;
FIG. 3 is a top plan view thereof; and,
FIG. 4 is an enlarged view of the graphical user interface portion of FIG. 1.
The outermost broken lines in FIG. 1, as well as all broken lines in FIGS. 2 and 3 illustrate environment. The remaining broken lines in FIG. 1 and all broken lines in FIG. 4 showing a display panel and portions of the graphical user interface illustrate portions of the article. None of the subject matter shown in broken lines form part of the claimed design.