/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(MyEasyBuy.Model.eb_shoppingcart model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update eb_shoppingcart set ");
strSql.Append("gid=@gid,");
strSql.Append("UserId=@UserId,");
strSql.Append("Count=@Count");
strSql.Append(" where sid=@sid");
SqlParameter[] parameters =
{
new SqlParameter("@gid", SqlDbType.Int, 4),
new SqlParameter("@UserId", SqlDbType.Int, 4),
new SqlParameter("@Count", SqlDbType.Int, 4),
new SqlParameter("@sid", SqlDbType.Int, 4)
};
parameters[0].Value = model.gid;
parameters[1].Value = model.UserId;
parameters[2].Value = model.Count;
parameters[3].Value = model.sid;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(MyEasyBuy.Model.eb_shoppingcart model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into eb_shoppingcart(");
strSql.Append("gid,UserId,Count)");
strSql.Append(" values (");
strSql.Append("@gid,@UserId,@Count)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@gid", SqlDbType.Int, 4),
new SqlParameter("@UserId", SqlDbType.Int, 4),
new SqlParameter("@Count", SqlDbType.Int, 4)
};
parameters[0].Value = model.gid;
parameters[1].Value = model.UserId;
parameters[2].Value = model.Count;
object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt32(obj));
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public MyEasyBuy.Model.eb_shoppingcart DataRowToModel(DataRow row)
{
MyEasyBuy.Model.eb_shoppingcart model = new MyEasyBuy.Model.eb_shoppingcart();
if (row != null)
{
if (row["sid"] != null && row["sid"].ToString() != "")
{
model.sid = int.Parse(row["sid"].ToString());
}
if (row["gid"] != null && row["gid"].ToString() != "")
{
model.gid = int.Parse(row["gid"].ToString());
}
if (row["UserId"] != null && row["UserId"].ToString() != "")
{
model.UserId = int.Parse(row["UserId"].ToString());
}
if (row["Count"] != null && row["Count"].ToString() != "")
{
model.Count = int.Parse(row["Count"].ToString());
}
}
return(model);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public MyEasyBuy.Model.eb_shoppingcart GetModel(int sid)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 sid,gid,UserId,Count from eb_shoppingcart ");
strSql.Append(" where sid=@sid");
SqlParameter[] parameters =
{
new SqlParameter("@sid", SqlDbType.Int, 4)
};
parameters[0].Value = sid;
MyEasyBuy.Model.eb_shoppingcart model = new MyEasyBuy.Model.eb_shoppingcart();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
