/// <summary> /// 更新一条数据 /// </summary> public bool Update(ClassLibrary1.Model.StuClass model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update StuClass set "); strSql.Append("CreateTime=@CreateTime,"); strSql.Append("MajorUuid=@MajorUuid,"); strSql.Append("StuClassName=@StuClassName,"); strSql.Append("IsDeleted=@IsDeleted,"); strSql.Append("AddTime=@AddTime,"); strSql.Append("AddPeople=@AddPeople"); strSql.Append(" where ID=@ID"); SqlParameter[] parameters = { new SqlParameter("@CreateTime", SqlDbType.DateTime2, 8), new SqlParameter("@MajorUuid", SqlDbType.UniqueIdentifier, 16), new SqlParameter("@StuClassName", SqlDbType.VarChar, 255), new SqlParameter("@IsDeleted", SqlDbType.Int, 4), new SqlParameter("@AddTime", SqlDbType.VarChar, 255), new SqlParameter("@AddPeople", SqlDbType.VarChar, 255), new SqlParameter("@ID", SqlDbType.Int, 4), new SqlParameter("@StuClassUuid", SqlDbType.UniqueIdentifier, 16) }; parameters[0].Value = model.CreateTime; parameters[1].Value = model.MajorUuid; parameters[2].Value = model.StuClassName; parameters[3].Value = model.IsDeleted; parameters[4].Value = model.AddTime; parameters[5].Value = model.AddPeople; parameters[6].Value = model.ID; parameters[7].Value = model.StuClassUuid; 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 ClassLibrary1.Model.StuClass DataRowToModel(DataRow row) { ClassLibrary1.Model.StuClass model = new ClassLibrary1.Model.StuClass(); if (row != null) { if (row["ID"] != null && row["ID"].ToString() != "") { model.ID = int.Parse(row["ID"].ToString()); } if (row["CreateTime"] != null && row["CreateTime"].ToString() != "") { model.CreateTime = DateTime.Parse(row["CreateTime"].ToString()); } if (row["StuClassUuid"] != null && row["StuClassUuid"].ToString() != "") { model.StuClassUuid = new Guid(row["StuClassUuid"].ToString()); } if (row["MajorUuid"] != null && row["MajorUuid"].ToString() != "") { model.MajorUuid = new Guid(row["MajorUuid"].ToString()); } if (row["StuClassName"] != null) { model.StuClassName = row["StuClassName"].ToString(); } if (row["IsDeleted"] != null && row["IsDeleted"].ToString() != "") { model.IsDeleted = int.Parse(row["IsDeleted"].ToString()); } if (row["AddTime"] != null) { model.AddTime = row["AddTime"].ToString(); } if (row["AddPeople"] != null) { model.AddPeople = row["AddPeople"].ToString(); } } return(model); }
/// <summary> /// 增加一条数据 /// </summary> public int Add(ClassLibrary1.Model.StuClass model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into StuClass("); strSql.Append("CreateTime,StuClassUuid,MajorUuid,StuClassName,IsDeleted,AddTime,AddPeople)"); strSql.Append(" values ("); strSql.Append("@CreateTime,@StuClassUuid,@MajorUuid,@StuClassName,@IsDeleted,@AddTime,@AddPeople)"); strSql.Append(";select @@IDENTITY"); SqlParameter[] parameters = { new SqlParameter("@CreateTime", SqlDbType.DateTime2, 8), new SqlParameter("@StuClassUuid", SqlDbType.UniqueIdentifier, 16), new SqlParameter("@MajorUuid", SqlDbType.UniqueIdentifier, 16), new SqlParameter("@StuClassName", SqlDbType.VarChar, 255), new SqlParameter("@IsDeleted", SqlDbType.Int, 4), new SqlParameter("@AddTime", SqlDbType.VarChar, 255), new SqlParameter("@AddPeople", SqlDbType.VarChar, 255) }; parameters[0].Value = model.CreateTime; parameters[1].Value = model.StuClassUuid; parameters[2].Value = model.MajorUuid; parameters[3].Value = model.StuClassName; parameters[4].Value = model.IsDeleted; parameters[5].Value = model.AddTime; parameters[6].Value = model.AddPeople; 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 ClassLibrary1.Model.StuClass GetModel(int ID) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 ID,CreateTime,StuClassUuid,MajorUuid,StuClassName,IsDeleted,AddTime,AddPeople from StuClass "); strSql.Append(" where ID=@ID"); SqlParameter[] parameters = { new SqlParameter("@ID", SqlDbType.Int, 4) }; parameters[0].Value = ID; ClassLibrary1.Model.StuClass model = new ClassLibrary1.Model.StuClass(); DataSet ds = DbHelperSql.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { return(DataRowToModel(ds.Tables[0].Rows[0])); } else { return(null); } }