这可能只是视觉呈现行选择方式的问题。它看起来像是在一行中选择了一个单元格。



将DataGridView的 SelectionMode 更改为当用户点击它时，FullRowSelect和整行将突出显示

This is probably just a problem with the way the row selection is presented visually. It will look like a single cell has been selected on a row.

Change the SelectionMode of the DataGridView to "FullRowSelect" and the entire row will be highlighted when the user clicks in it