/// <summary> /// 更新一条数据 /// </summary> public bool Update(university.Model.CCOM.Nation model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update Nation set "); strSql.Append(" Nation_name = @Nation_name "); strSql.Append(" where Nation_id=@Nation_id "); SqlParameter[] parameters = { new SqlParameter("@Nation_id", SqlDbType.Int, 4), new SqlParameter("@Nation_name", SqlDbType.VarChar, 255) }; parameters[0].Value = model.Nation_id; parameters[1].Value = model.Nation_name; int rows = DBSQL.ExecuteSql(strSql.ToString(), parameters); if (rows > 0) { return(true); } else { return(false); } }
/// <summary> /// 得到一个对象实体 /// </summary> public university.Model.CCOM.Nation GetModel(string strWhere) { StringBuilder strSql = new StringBuilder(); strSql.Append("select Nation_id, Nation_name "); strSql.Append(" from Nation "); strSql.Append(" where " + strWhere); university.Model.CCOM.Nation model = new university.Model.CCOM.Nation(); DataSet ds = DBSQL.Query(strSql.ToString()); if (ds.Tables[0].Rows.Count > 0) { if (ds.Tables[0].Rows[0]["Nation_id"].ToString() != "") { model.Nation_id = int.Parse(ds.Tables[0].Rows[0]["Nation_id"].ToString()); } model.Nation_name = ds.Tables[0].Rows[0]["Nation_name"].ToString(); return(model); } else { return(null); } }
/// <summary> /// 增加一条数据 /// </summary> public int Add(university.Model.CCOM.Nation model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into Nation("); strSql.Append("Nation_name"); strSql.Append(") values ("); strSql.Append("@Nation_name"); strSql.Append(") "); strSql.Append(";select @@IDENTITY"); SqlParameter[] parameters = { new SqlParameter("@Nation_name", SqlDbType.VarChar, 255) }; parameters[0].Value = model.Nation_name; object obj = DBSQL.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 university.Model.CCOM.Nation GetModel(int Nation_id) { StringBuilder strSql = new StringBuilder(); strSql.Append("select Nation_id, Nation_name "); strSql.Append(" from Nation "); strSql.Append(" where Nation_id=@Nation_id"); SqlParameter[] parameters = { new SqlParameter("@Nation_id", SqlDbType.Int, 4) }; parameters[0].Value = Nation_id; university.Model.CCOM.Nation model = new university.Model.CCOM.Nation(); DataSet ds = DBSQL.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { if (ds.Tables[0].Rows[0]["Nation_id"].ToString() != "") { model.Nation_id = int.Parse(ds.Tables[0].Rows[0]["Nation_id"].ToString()); } model.Nation_name = ds.Tables[0].Rows[0]["Nation_name"].ToString(); return(model); } else { return(null); } }