/// <summary> /// 更新一条数据 /// </summary> public bool Update(OnLineTest.Model.Difficulty model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update Difficulty set "); strSql.Append("DifficultyRatio=@DifficultyRatio,"); strSql.Append("DifficultyDescrip=@DifficultyDescrip,"); strSql.Append("DifficultyRemark=@DifficultyRemark"); strSql.Append(" where DifficultyId=@DifficultyId"); SqlParameter[] parameters = { new SqlParameter("@DifficultyRatio", SqlDbType.Int, 4), new SqlParameter("@DifficultyDescrip", SqlDbType.NVarChar, 20), new SqlParameter("@DifficultyRemark", SqlDbType.Text), new SqlParameter("@DifficultyId", SqlDbType.Int, 4) }; parameters[0].Value = model.DifficultyRatio; parameters[1].Value = model.DifficultyDescrip; parameters[2].Value = model.DifficultyRemark; parameters[3].Value = model.DifficultyId; 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(OnLineTest.Model.Difficulty model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into Difficulty("); strSql.Append("DifficultyRatio,DifficultyDescrip,DifficultyRemark)"); strSql.Append(" values ("); strSql.Append("@DifficultyRatio,@DifficultyDescrip,@DifficultyRemark)"); strSql.Append(";select @@IDENTITY"); SqlParameter[] parameters = { new SqlParameter("@DifficultyRatio", SqlDbType.Int, 4), new SqlParameter("@DifficultyDescrip", SqlDbType.NVarChar, 20), new SqlParameter("@DifficultyRemark", SqlDbType.Text) }; parameters[0].Value = model.DifficultyRatio; parameters[1].Value = model.DifficultyDescrip; parameters[2].Value = model.DifficultyRemark; 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 OnLineTest.Model.Difficulty DataRowToModel(DataRow row) { OnLineTest.Model.Difficulty model = new OnLineTest.Model.Difficulty(); if (row != null) { if (row["DifficultyId"] != null && row["DifficultyId"].ToString() != "") { model.DifficultyId = int.Parse(row["DifficultyId"].ToString()); } if (row["DifficultyRatio"] != null && row["DifficultyRatio"].ToString() != "") { model.DifficultyRatio = int.Parse(row["DifficultyRatio"].ToString()); } if (row["DifficultyDescrip"] != null) { model.DifficultyDescrip = row["DifficultyDescrip"].ToString(); } if (row["DifficultyRemark"] != null) { model.DifficultyRemark = row["DifficultyRemark"].ToString(); } } return(model); }
/// <summary> /// 得到一个对象实体 /// </summary> public OnLineTest.Model.Difficulty GetModel(int DifficultyId) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 DifficultyId,DifficultyRatio,DifficultyDescrip,DifficultyRemark from Difficulty "); strSql.Append(" where DifficultyId=@DifficultyId"); SqlParameter[] parameters = { new SqlParameter("@DifficultyId", SqlDbType.Int, 4) }; parameters[0].Value = DifficultyId; OnLineTest.Model.Difficulty model = new OnLineTest.Model.Difficulty(); DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { return(DataRowToModel(ds.Tables[0].Rows[0])); } else { return(null); } }