C# Access修改字段说明

-----------------------引用
.NET adodb
COM  Microsoft ADO Ext. 2.8 for DDL and Security
-----------------------
ADODB.Connection conn = new ADODB.Connection();
conn.Open("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=D:\\test.mdb", null, null, -1);
ADOX.Catalog catalog = new ADOX.Catalog();
catalog.ActiveConnection = conn;
ADOX.Table table = catalog.Tables[tableName];
for (int i = 0; i < array.Length; i++)
{
ADOX.Column col = table.Columns["列名"];
col.Properties["Description"].Value = "字段说明";
}
Marshal.FinalReleaseComObject(catalog.ActiveConnection);
Marshal.FinalReleaseComObject(catalog);