Follow along with the video below to see how to install our site as a web app on your home screen.
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string s;
s = DB_Abfrage(conn, "SELECT MAX(lfdNummer) + 1 as k FROM [Projektnummer]", "k", 1).ToString().PadLeft(5, '0');
table.Columns["lfdNummer"].DefaultValue = s;
table.Columns["ID"].DefaultValue = DB_Abfrage(conn, "SELECT MAX(ID) + 1 as k FROM [Projektnummer]", "k", 1);