0
I do not know I have a column in the table "marche

" named flag fence the last one will be filled if the checkbox "and last" and tick or not if it is ticked we will store O otherwise we will store N
I want when I display in the datagridview and select on one line the selected data will be placed before this property except the flag fence when it has the value O the checkbox will not check I do not know why
I hope that I have described
0
Did you meant to say how to display checkbox in the DataGridView control?
If that the case, here is an example:
https://www.aspsnippets.com/Articles/Add-CheckBox-Column-to-DataGridView-in-Windows-Forms-application-using-C-and-VBNet.aspx