/// <summary> /// 更新一条数据 /// </summary> public bool Update(Learning.Model.RoleUser model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update RoleUser set "); strSql.Append("UserId=@UserId,"); strSql.Append("RoleID=@RoleID"); strSql.Append(" where Id=@Id"); SqlParameter[] parameters = { new SqlParameter("@UserId", SqlDbType.Int, 4), new SqlParameter("@RoleID", SqlDbType.Int, 4), new SqlParameter("@Id", SqlDbType.Int, 4) }; parameters[0].Value = model.UserId; parameters[1].Value = model.RoleID; parameters[2].Value = model.Id; 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(Learning.Model.RoleUser model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into RoleUser("); strSql.Append("UserId,RoleID)"); strSql.Append(" values ("); strSql.Append("@UserId,@RoleID)"); strSql.Append(";select @@IDENTITY"); SqlParameter[] parameters = { new SqlParameter("@UserId", SqlDbType.Int, 4), new SqlParameter("@RoleID", SqlDbType.Int, 4) }; parameters[0].Value = model.UserId; parameters[1].Value = model.RoleID; 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 Learning.Model.RoleUser DataRowToModel(DataRow row) { Learning.Model.RoleUser model = new Learning.Model.RoleUser(); if (row != null) { if (row["Id"] != null && row["Id"].ToString() != "") { model.Id = int.Parse(row["Id"].ToString()); } if (row["UserId"] != null && row["UserId"].ToString() != "") { model.UserId = int.Parse(row["UserId"].ToString()); } if (row["RoleID"] != null && row["RoleID"].ToString() != "") { model.RoleID = int.Parse(row["RoleID"].ToString()); } } return(model); }
/// <summary> /// 得到一个对象实体 /// </summary> public Learning.Model.RoleUser GetModel(int Id) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 Id,UserId,RoleID from RoleUser "); strSql.Append(" where Id=@Id"); SqlParameter[] parameters = { new SqlParameter("@Id", SqlDbType.Int, 4) }; parameters[0].Value = Id; Learning.Model.RoleUser model = new Learning.Model.RoleUser(); DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { return(DataRowToModel(ds.Tables[0].Rows[0])); } else { return(null); } }