阅读器关闭时 FieldCount 的尝试无效
public SqlDataReader GetCategories() { string connectionString = ConfigurationManager.ConnectionStrings["SQLConnString"].ConnectionString; SqlConnection conn = new SqlConnection(connectionString); conn.Open();
string cmdString = "SELECT Name FROM Category"; SqlCommand cmd = new SqlCommand(cmdString, conn); SqlDataReader rdr = cmd.ExecuteReader();
//这个怎么办呢?不加,不规范;加呢?阅读器关闭时 FieldCount 的尝试无效。 conn.Close();
return rdr; }
posted on 2011-10-27 00:35 WestGarden 阅读(170) 评论(0) 编辑 收藏 举报