WPF DataGrid: How to clear selection programmatically? -

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it simple task in grid, can't make happen in wpf datagrid. there unselectall or unselectallcells methods, don't work. also, setting selecteditem = null or selectedindex = -1 don't work either.

there post here disable selection, that's not want. want clear current selection (if any) , set new selection programmatically. 

datagrid.unselectall()

for rows mode


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