string connString = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + Application.StartupPath + "\\a.xlsx" + ";Extended Properties='Excel 12.0 Xml;HDR=No'";
OleDbConnection conn = new OleDbConnection(connString);
OleDbCommand cmd = new OleDbCommand("Update [tablenameeee$] SET A1='15'", conn);
conn.Open();
cmd.ExecuteNonQuery();
conn.Close();
我想访问 excel 中的特定单元格,并更改其值。但我有例外
OleDb 异常。没有为一个或多个必需参数指定值。解决方案是什么?