pomocou ado.net a snaží filter a gridview podľa dátumu, ale stále Chyby.
string query1 = $"Select * from buy Where [date] >= {dmy} and [date] < {dmyplus}";
SqlConnection connection1 = new SqlConnection(ConnetionPath4);
SqlDataAdapter adapter1 = new SqlDataAdapter(query1, connection1);
DataTable data1 = new DataTable();
adapter1.Fill(data1);
mimochodom dmy a dmyplus je var dmy="'2021/21/11'" var dmyplus="'2021/22/11'"
Moja Chyba je "obrátenie varchar údaje typu datetime typ údajov vyústil v out-of-range value"