C# Access Update 注意事项
private const string ACCESS_UPDATE_ADMIN_PASSWORD = "UPDATE [Admins] SET admin_pass=@adminPass WHERE admin_name=@adminName";
dbInstance.SetParameters("@adminPass", _adminDObj.Admin_Password);
dbInstance.SetParameters("@adminName", _adminDObj.Admin_Name);
参数的顺序必须和SQL的顺序一直，否则无法更新。如上面这2行颠倒了，则会无法更新
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//读取标准列表
private void setModelList()
{
OleDbConnection Connection = null;
&n ......
网上搜集，备用
下表列出了 ANSI SQL 数据类型和等效的 Microsoft Jet 数据库引擎 SQL数据类型还有它们的有效同义字以及 等效的 Microsoft SQL Server数据类型。
ANSI SQL
数据类型
Microsoft Access
SQL 数据类型
同义词
Microsoft SQL
Server 数据类型
BIT、BIT VARYING
BINARY（参见注释）
VARBINARY、 ......
string sql = "select a.orderId,a.UserName,b.CodeValue as Delivery ,a.DeliveryAddress,a.PhoneNum,c.CodeValue as Payment,d.CodeValue as OrderStatus,d.CodeValue as OrderStatusID,a.OrderTime,a.Merchant from (( m_Order a ";
sql += " left j ......
