1. A processor-implemented method comprising: generating a grid of a plurality of cells arranged in a number of rows and columns, each row corresponding to a data record of a database; displaying the grid on a display; for each row of the grid, displaying a selector icon on the display; in response to receipt of user-based input indicative of selection of a selector icon for one of the rows, visually expanding size of each cell in the one of the rows to indicate that the one of the rows has been selected for editing and visually altering appearance of each editable cell that contains editable content of the one of the rows to indicate that the editable content of each visually-altered editable cell is editable, and wherein, upon visual expansion of a selected row, each respective editable cell that is visually altered contains only the editable content contained when a respective row is selected until edited; receiving user-based input data for the at least some of the visually-altered editable cells of the one of the rows; validating the user-based input data using predefined criteria to identify incorrect input data; and displaying errors associated with the incorrect user-based input data.