c# - Setting DataSource of DataGridView to null/false removes all default settings of DataGridView -
in datagridview, when set datagridview.datasource = null
or datagridview.datasource = false
, removes default setting (properties) have set.
how looks without setting datasource
null
(see mark
column datagridviewcomboboxcolumn
)
after setting datasource
null
or false
, load items in datagridview:
see here id
column visible set visible false default (from properties window). mark
column became datagridviewtextboxcolumn
datagridviewcomboboxcolumn
.
what want: want clear rows (in other words want set datagridview blank after removing records database). one:
what doing wrong here?
setting datagridview.datasource = null
not reset/change columns or properties
if have predefined columns(in designer) then, please, check line of code datagridview.autogeneratecolumns = false
execute properly...
because if datagridview.autogeneratecolumns = true
more columns added predefined columns of datagridview
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