/// <summary> /// 得到一个对象实体 /// </summary> public Lythen.Model.schools DataRowToModel(DataRow row) { Lythen.Model.schools model = new Lythen.Model.schools(); if (row != null) { if (row["School_id"] != null && row["School_id"].ToString() != "") { model.School_id = int.Parse(row["School_id"].ToString()); } if (row["School_name"] != null) { model.School_name = row["School_name"].ToString(); } if (row["School_address"] != null) { model.School_address = row["School_address"].ToString(); } if (row["School_contact_man"] != null) { model.School_contact_man = row["School_contact_man"].ToString(); } if (row["School_contact_phone"] != null) { model.School_contact_phone = row["School_contact_phone"].ToString(); } if (row["School_info"] != null) { model.School_info = row["School_info"].ToString(); } } return(model); }
/// <summary> /// 增加一条数据 /// </summary> public int Add(Lythen.Model.schools model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into schools("); strSql.Append("School_name,School_address,School_contact_man,School_contact_phone,School_info)"); strSql.Append(" values ("); strSql.Append("@School_name,@School_address,@School_contact_man,@School_contact_phone,@School_info)"); strSql.Append(";select @@IDENTITY"); SqlParameter[] parameters = { new SqlParameter("@School_name", SqlDbType.VarChar, 50), new SqlParameter("@School_address", SqlDbType.VarChar, 250), new SqlParameter("@School_contact_man", SqlDbType.VarChar, 20), new SqlParameter("@School_contact_phone", SqlDbType.VarChar, 12), new SqlParameter("@School_info", SqlDbType.VarChar, 500) }; parameters[0].Value = model.School_name; parameters[1].Value = model.School_address; parameters[2].Value = model.School_contact_man; parameters[3].Value = model.School_contact_phone; parameters[4].Value = model.School_info; object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters); if (obj == null) { return(0); } else { return(Convert.ToInt32(obj)); } }
/// <summary> /// 更新一条数据 /// </summary> public bool Update(Lythen.Model.schools model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update schools set "); strSql.Append("School_name=@School_name,"); strSql.Append("School_address=@School_address,"); strSql.Append("School_contact_man=@School_contact_man,"); strSql.Append("School_contact_phone=@School_contact_phone,"); strSql.Append("School_info=@School_info"); strSql.Append(" where School_id=@School_id"); SqlParameter[] parameters = { new SqlParameter("@School_name", SqlDbType.VarChar, 50), new SqlParameter("@School_address", SqlDbType.VarChar, 250), new SqlParameter("@School_contact_man", SqlDbType.VarChar, 20), new SqlParameter("@School_contact_phone", SqlDbType.VarChar, 12), new SqlParameter("@School_info", SqlDbType.VarChar, 500), new SqlParameter("@School_id", SqlDbType.Int, 4) }; parameters[0].Value = model.School_name; parameters[1].Value = model.School_address; parameters[2].Value = model.School_contact_man; parameters[3].Value = model.School_contact_phone; parameters[4].Value = model.School_info; parameters[5].Value = model.School_id; int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters); if (rows > 0) { return(true); } else { return(false); } }
/// <summary> /// 得到一个对象实体 /// </summary> public Lythen.Model.schools GetModel(int School_id) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 School_id,School_name,School_address,School_contact_man,School_contact_phone,School_info from schools "); strSql.Append(" where School_id=@School_id"); SqlParameter[] parameters = { new SqlParameter("@School_id", SqlDbType.Int, 4) }; parameters[0].Value = School_id; Lythen.Model.schools model = new Lythen.Model.schools(); DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { return(DataRowToModel(ds.Tables[0].Rows[0])); } else { return(null); } }