/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(Maticsoft.Model.orderdetail model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update orderdetail set ");
strSql.Append("OrderId=@OrderId,");
strSql.Append("AlbumId=@AlbumId,");
strSql.Append("Quantity=@Quantity,");
strSql.Append("UnitPrice=@UnitPrice");
strSql.Append(" where OrderDetailId=@OrderDetailId ");
MySqlParameter[] parameters =
{
new MySqlParameter("@OrderId", MySqlDbType.Int32, 11),
new MySqlParameter("@AlbumId", MySqlDbType.Int32, 11),
new MySqlParameter("@Quantity", MySqlDbType.Int32, 11),
new MySqlParameter("@UnitPrice", MySqlDbType.Decimal, 10),
new MySqlParameter("@OrderDetailId", MySqlDbType.Int32, 11)
};
parameters[0].Value = model.OrderId;
parameters[1].Value = model.AlbumId;
parameters[2].Value = model.Quantity;
parameters[3].Value = model.UnitPrice;
parameters[4].Value = model.OrderDetailId;
int rows = DbHelperMySQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Maticsoft.Model.orderdetail DataRowToModel(DataRow row)
{
Maticsoft.Model.orderdetail model = new Maticsoft.Model.orderdetail();
if (row != null)
{
if (row["OrderDetailId"] != null && row["OrderDetailId"].ToString() != "")
{
model.OrderDetailId = int.Parse(row["OrderDetailId"].ToString());
}
if (row["OrderId"] != null && row["OrderId"].ToString() != "")
{
model.OrderId = int.Parse(row["OrderId"].ToString());
}
if (row["AlbumId"] != null && row["AlbumId"].ToString() != "")
{
model.AlbumId = int.Parse(row["AlbumId"].ToString());
}
if (row["Quantity"] != null && row["Quantity"].ToString() != "")
{
model.Quantity = int.Parse(row["Quantity"].ToString());
}
if (row["UnitPrice"] != null && row["UnitPrice"].ToString() != "")
{
model.UnitPrice = decimal.Parse(row["UnitPrice"].ToString());
}
}
return(model);
}
/// <summary>
/// 增加一条数据
/// </summary>
public bool Add(Maticsoft.Model.orderdetail model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into orderdetail(");
strSql.Append("OrderDetailId,OrderId,AlbumId,Quantity,UnitPrice)");
strSql.Append(" values (");
strSql.Append("@OrderDetailId,@OrderId,@AlbumId,@Quantity,@UnitPrice)");
MySqlParameter[] parameters =
{
new MySqlParameter("@OrderDetailId", MySqlDbType.Int32, 11),
new MySqlParameter("@OrderId", MySqlDbType.Int32, 11),
new MySqlParameter("@AlbumId", MySqlDbType.Int32, 11),
new MySqlParameter("@Quantity", MySqlDbType.Int32, 11),
new MySqlParameter("@UnitPrice", MySqlDbType.Decimal, 10)
};
parameters[0].Value = model.OrderDetailId;
parameters[1].Value = model.OrderId;
parameters[2].Value = model.AlbumId;
parameters[3].Value = model.Quantity;
parameters[4].Value = model.UnitPrice;
int rows = DbHelperMySQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Maticsoft.Model.orderdetail GetModel(int OrderDetailId)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select OrderDetailId,OrderId,AlbumId,Quantity,UnitPrice from orderdetail ");
strSql.Append(" where OrderDetailId=@OrderDetailId ");
MySqlParameter[] parameters =
{
new MySqlParameter("@OrderDetailId", MySqlDbType.Int32, 11)
};
parameters[0].Value = OrderDetailId;
Maticsoft.Model.orderdetail model = new Maticsoft.Model.orderdetail();
DataSet ds = DbHelperMySQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}