c# - how to add gridview row after copy into row -


i have program want copy top cell current cell when press f7,but problem until user did not type gridview not add row,the question : how can add row when user pressed f7 , notice if user pressed gridview , pressed f7,gridview have 2 empty row,how can manage it?enter image description here

enter image description here

this code use copy source cell value destination cell when user pressed f7 :

int rowno = datagridview1.currentrow.index - 1; int cellno = datagridview1.currentcell.columnindex;  if (rowno >= 0 && cellno >= 0)       datagridview1.currentcell.value = datagridview1.rows[rowno].cells[cellno].value;

set datagridview.allowusertoaddrows false. restrict automatically adding of new row when cell value become dirty. 

datagridview1.allowusertoaddrows = false;

however programmatically can add rows using datagridview1.rows.add(1) etc.


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