/// <summary> /// 将数据插入表 /// </summary> /// <param name="M">赋值后的实体</param> /// <returns></returns> public static void Insert(UserClassRelation M) { IDbHelper Sql = GetHelper(); StringBuilder sb = new StringBuilder(); sb.Append("insert into [UserClassRelation]([UserID],[ClassID]) values("); sb.Append(M.UserID.ToS()); sb.Append(","); sb.Append(M.ClassID.ToS()); sb.Append(")"); if (DataBase.CmsDbType == DataBase.DbType.SqlServer) { sb.Append(";select @@Identity"); } if (DataBase.CmsDbType == DataBase.DbType.SQLite) { sb.Append(";select last_insert_rowid()"); } if (DataBase.CmsDbType == DataBase.DbType.MySql) { sb.Append(";select LAST_INSERT_ID()"); } if (DataBase.CmsDbType == DataBase.DbType.Access) { sb.Append(";select max(ID) from UserClassRelation"); } if (DataBase.CmsDbType == DataBase.DbType.Oracle) { sb.Append(";select LAST_INSERT_ID()"); } M.ID = Sql.ExecuteScalar(CommandType.Text, sb.ToString()).ToInt32(); }
/// <summary> /// DataTable转换为list /// </summary> /// <param name="dt"></param> /// <returns></returns> protected static List <UserClassRelation> DataTableToList(DataTable dt) { List <UserClassRelation> Ms = new List <UserClassRelation>(); for (int i = 0; i < dt.Rows.Count; i++) { UserClassRelation M = new UserClassRelation(); M.ID = dt.Rows[i]["ID"].ToInt32(); M.UserID = dt.Rows[i]["UserID"].ToInt32(); M.ClassID = dt.Rows[i]["ClassID"].ToInt32(); Ms.Add(M); } return(Ms); }
/// <summary> /// 根据条件语句取得第一个实体 /// </summary> /// <param name="m_where">条件语句,不包含“where”</param> /// <returns></returns> public static UserClassRelation Find(string m_where) { IDbHelper Sql = GetHelper(); UserClassRelation M = new UserClassRelation(); DbDataReader Rs = Sql.ExecuteReader(CommandType.Text, "select [ID],[UserID],[ClassID] from [UserClassRelation] where " + m_where, true); if (!Rs.Read()) { M.ID = 0; } else { M.ID = Rs["ID"].ToInt32(); M.UserID = Rs["UserID"].ToInt32(); M.ClassID = Rs["ClassID"].ToInt32(); } Rs.Close(); Rs = null; return(M); }
/// <summary> /// 将修改过的实体修改到数据库 /// </summary> /// <param name="M">赋值后的实体</param> /// <returns></returns> public static int Update(UserClassRelation M) { IDbHelper Sql = GetHelper(); StringBuilder sb = new StringBuilder(); sb.Append("update [UserClassRelation] set "); sb.Append("[UserID]=" + M.UserID.ToS()); sb.Append(","); sb.Append("[ClassID]=" + M.ClassID.ToS()); sb.Append(" where ID='" + M.ID + "'"); sb.Append(""); if (DataBase.CmsDbType == DataBase.DbType.SqlServer) { sb.Append(";select @@ROWCOUNT"); } if (DataBase.CmsDbType == DataBase.DbType.SQLite) { sb.Append(";select 0"); } if (DataBase.CmsDbType == DataBase.DbType.MySql) { sb.Append(";SELECT ROW_COUNT()"); } if (DataBase.CmsDbType == DataBase.DbType.Access) { sb.Append(";select 0"); } if (DataBase.CmsDbType == DataBase.DbType.Oracle) { sb.Append(";select SQL%ROWCOUNT"); } return(Sql.ExecuteScalar(CommandType.Text, sb.ToString()).ToInt32()); }
public static UserClassRelation CreateUserClassRelation(int id) { UserClassRelation userClassRelation = new UserClassRelation(); userClassRelation.ID = id; return userClassRelation; }
public void AddToUserClassRelation(UserClassRelation userClassRelation) { base.AddObject("UserClassRelation", userClassRelation); }