/// <summary>
/// 表:BLCategory (添加一条数据
/// </summary>
/// <param name="bLCategory">添加的数据</param>
/// <returns>执行成功的行数</returns>
public static int Insert(BLCategory bLCategory)
{
return(DBHelp.ExecuteNonQuery(
"insert into BLCategory values(@BLName)",
new SqlParameter[] {
new SqlParameter("@BLName", bLCategory.BLName)
}));
}
/// <summary>
/// 表:BLCategory (根据BLID删除数据
/// </summary>
/// <param name="BLID">所需BLID</param>
/// <returns>执行成功行数</returns>
public static int Delete_BLID(int BLID)
{
return(DBHelp.ExecuteNonQuery(
"delete from BLCategory where BLID=@BLID",
new SqlParameter[] {
new SqlParameter("@BLID", BLID)
}));
}
/// <summary>
/// 表：Trade （根据MID删除数据
/// </summary>
/// <param name="MID">所需MID</param>
/// <returns>执行成功的行数</returns>
public static int Delelte_MID(int MID)
{
return(DBHelp.ExecuteNonQuery(
"delete from trade where MID=@MID",
new SqlParameter[] {
new SqlParameter("@MID", MID)
}));
}
/// <summary>
/// 表:Book (根据BID删除
/// </summary>
/// <param name="BID">所需BID</param>
/// <returns>执行成功行数</returns>
public static int Delete_BID(int BID)
{
return(DBHelp.ExecuteNonQuery(
"delete from Book where BID=@BID",
new SqlParameter[] {
new SqlParameter("@BID", BID)
}));
}
/// <summary>
/// 表:Trade (根据TID删除数据
/// </summary>
/// <param name="TID">所需TID</param>
/// <returns>执行成功行数</returns>
public static int Delete_TID(int TID)
{
return(DBHelp.ExecuteNonQuery(
"Delete from Trade where TID=@TID",
new SqlParameter[] {
new SqlParameter("@TID", TID)
}));
}
/// <summary>
/// 表:BLCategory (修改数据
/// </summary>
/// <param name="bLCategory">修改的数据</param>
/// <returns>执行成功的行数</returns>
public static int Update(BLCategory bLCategory)
{
return(DBHelp.ExecuteNonQuery(
"update BLCategory set BLName=@BLName where BLID=@BLID",
new SqlParameter[] {
new SqlParameter("@BLName", bLCategory.BLName),
new SqlParameter("@BLID", bLCategory.BLID),
}));
}
/// <summary>
/// 表:Trade (根据TID修改BCount
/// </summary>
/// <param name="trade">修改的数据</param>
/// <returns>执行成功的行数</returns>
public static int Update_BCount(int BCount, int TID)
{
return(DBHelp.ExecuteNonQuery(
"update Trade set BCount=@BCount where TID=@TID",
new SqlParameter[] {
new SqlParameter("@BCount", BCount),
new SqlParameter("@TID", TID),
}));
}
/// <summary>
/// 表:Order (根据OID修改OState
/// </summary>
/// <param name="OID">所需OID</param>
/// <param name="OState">所需OState</param>
/// <returns></returns>
public static int UpdateOState_OID(string OID, int OState)
{
return(DBHelp.ExecuteNonQuery(
"update [Order] set OState=@OState where OID=@OID",
new SqlParameter[] {
new SqlParameter("@OState", OState),
new SqlParameter("@OID", OID),
}));
}
/// <summary>
/// 表:Trade (根据MID与BID修改
/// </summary>
/// <param name="trade">修改的数据</param>
/// <returns>执行成功的行数</returns>
public static int Update_BCount(Trade trade)
{
return(DBHelp.ExecuteNonQuery(
"update Trade set BCount=BCount+@BCount where MID=@MID and BID=@BID",
new SqlParameter[] {
new SqlParameter("@BCount", trade.BCount),
new SqlParameter("@MID", trade.MID),
new SqlParameter("@BID", trade.BID),
}));
}
/// <summary>
/// 表:Trade (添加数据
/// </summary>
/// <param name="trade">添加的数据</param>
/// <returns>执行成功的行数</returns>
public static int Insert(Trade trade)
{
return(DBHelp.ExecuteNonQuery(
"insert into Trade values(@BID,@MID,@BCount)",
new SqlParameter[] {
new SqlParameter("@BID", trade.BID),
new SqlParameter("@MID", trade.MID),
new SqlParameter("@BCount", trade.BCount),
}));
}
/// <summary>
/// 表:Member (添加注册用户信息
/// </summary>
/// <param name="member">注册用户</param>
/// <returns>执行成功行数</returns>
public static int Register(Member member)
{
return(DBHelp.ExecuteNonQuery(
"insert into Member values(@MName,@MEmail,@MPassword)",
new SqlParameter[] {
new SqlParameter("@MName", member.MName),
new SqlParameter("@Memail", member.MEmail),
new SqlParameter("@MPassword", member.MPassword),
}));
}
/// <summary>
/// 表：OrderDetails （添加一条数据
/// </summary>
/// <param name="orderDetail">添加的数据</param>
/// <returns>执行成功的行数</returns>
public static int Insert(OrderDetails orderDetail)
{
return(DBHelp.ExecuteNonQuery(
"insert into OrderDetails values(@OID,@BID,@BPrice,@BCount)",
new SqlParameter[] {
new SqlParameter("@OID", orderDetail.OID),
new SqlParameter("@BID", orderDetail.BID),
new SqlParameter("@BPrice", orderDetail.BPrice),
new SqlParameter("@BCount", orderDetail.BCount),
}));
}
/// <summary>
/// 表:Book (根据BID修改BCount与BSaleCount
/// </summary>
/// <param name="book">修改的数据</param>
/// <returns>执行成功的行数</returns>
public static int Update_BCountAndBSaleCount(Book book)
{
if (Select_BCount(book.BID) > book.BCount)
{
return(DBHelp.ExecuteNonQuery(
"update Book set BCount=BCount-@BCount,BSaleCount=BSaleCount+@BCount where BID=@BID",
new SqlParameter[] {
new SqlParameter("@BCount", book.BCount),
new SqlParameter("@BID", book.BID)
}));
}
return(0);
}
/// <summary>
/// 表：Order （添加一条数据
/// </summary>
/// <param name="order">添加的数据</param>
/// <returns>执行成功的行数</returns>
public static int Insert(Order order)
{
return(DBHelp.ExecuteNonQuery(
"insert into [Order] values(@OID,@MID,@ODate,@OConsignee,@OAddress,@OTelephone,@OSumPrice,@OState)",
new SqlParameter[] {
new SqlParameter("@OID", order.OID),
new SqlParameter("@MID", order.MID),
new SqlParameter("@ODate", order.ODate),
new SqlParameter("@OConsignee", order.OConsignee),
new SqlParameter("@OAddress", order.OAddress),
new SqlParameter("@OTelephone", order.OTelephone),
new SqlParameter("@OSumPrice", order.OSumPrice),
new SqlParameter("@OState", order.OState),
}));
}
/// <summary>
/// 表:Book (根据BID修改数据
/// </summary>
/// <param name="book">修改的数据</param>
/// <returns>执行成功的行数</returns>
public static int Update_BID(Book book)
{
return(DBHelp.ExecuteNonQuery(
"update Book set BSID=@BSID,BName=@BName,BAuthor=@BAuthor,BISBN=@BISBN,BTOC=@BTOC,BComment=@BComment,BPic=@BPic,BPrice=@BPrice,BCount=@BCount,BSaleCount=@BSaleCount where BID=@BID",
new SqlParameter[] {
new SqlParameter("@BSID", book.BSID),
new SqlParameter("@BName", book.BName),
new SqlParameter("@BAuthor", book.BAuthor),
new SqlParameter("@BISBN", book.BISBN),
new SqlParameter("@BTOC", book.BTOC),
new SqlParameter("@BComment", book.BComment),
new SqlParameter("@BPic", book.BPic),
new SqlParameter("@BPrice", book.BPrice),
new SqlParameter("@BCount", book.BCount),
new SqlParameter("@BSaleCount", book.BSaleCount),
new SqlParameter("@BID", book.BID)
}));
}
/// <summary>
/// 表:Book (添加一条数据
/// </summary>
/// <param name="book">添加的数据</param>
/// <returns>执行成功的行数</returns>
public static int Insert(Book book)
{
return(DBHelp.ExecuteNonQuery(
"insert into Book values(@BID,@BSID,@BName,@BAuthor,@BISBN,@BTOC,@BComment,@BPic,@BPrice,@BCount,@BDate,@BSaleCount)",
new SqlParameter[] {
new SqlParameter("@BID", book.BID),
new SqlParameter("@BSID", book.BSID),
new SqlParameter("@BName", book.BName),
new SqlParameter("@BAuthor", book.BAuthor),
new SqlParameter("@BISBN", book.BISBN),
new SqlParameter("@BTOC", DBNull.Value),
new SqlParameter("@BComment", DBNull.Value),
new SqlParameter("@BPic", book.BPic),
new SqlParameter("@BPrice", book.BPrice),
new SqlParameter("@BCount", book.BCount),
new SqlParameter("@BDate", book.BDate),
new SqlParameter("@BSaleCount", book.BSaleCount),
}));
}
