excel2010 What if the remaining dashes are still displayed after the cell is set?

excel2010 What if the remaining dashes are still displayed after the cell is set?

1, as in the figure of the cell set box line, the rest of the line does not set the border is still displayed.

2, want to hide the dotted line can first click on the Excel Menu "view."

3. Uncheck the "gridlines" option in the View tab with the mouse.

4, uncheck the "grid line" option, the line is not set to hide all the dotted lines.

5, in addition, the Page Layout tab also has the option of setting gridlines. Click Page Layout on the menu bar.

6, with the mouse uncheck the page layout in the "grid line" item "View", you can also hide the dotted line.

What about the remaining dashes after the