For illustration assuming “whole row” is ColumnsA:Z inclusive, please try Format – Conditional formatting…, Custom formula is:
=$C1<>""
with formatting of your choice and Range: A:Z
.
For illustration assuming “whole row” is ColumnsA:Z inclusive, please try Format – Conditional formatting…, Custom formula is:
=$C1<>""
with formatting of your choice and Range: A:Z
.