/// <summary> /// 更新一条数据 /// </summary> public bool Update(Models.UserComment model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update UserComment set "); strSql.Append("RestaurantID=@RestaurantID,"); strSql.Append("UserName=@UserName,"); strSql.Append("Comment=@Comment"); strSql.Append(" where ID=@ID"); SqlParameter[] parameters = { new SqlParameter("@RestaurantID", SqlDbType.Int, 4), new SqlParameter("@UserName", SqlDbType.NVarChar, 100), new SqlParameter("@Comment", SqlDbType.NVarChar, 200), new SqlParameter("@ID", SqlDbType.Int, 4) }; parameters[0].Value = model.RestaurantID; parameters[1].Value = model.UserName; parameters[2].Value = model.Comment; parameters[3].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(Models.UserComment model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into UserComment("); strSql.Append("RestaurantID,UserName,Comment)"); strSql.Append(" values ("); strSql.Append("@RestaurantID,@UserName,@Comment)"); strSql.Append(";select @@IDENTITY"); SqlParameter[] parameters = { new SqlParameter("@RestaurantID", SqlDbType.Int, 4), new SqlParameter("@UserName", SqlDbType.NVarChar, 100), new SqlParameter("@Comment", SqlDbType.NVarChar, 200) }; parameters[0].Value = model.RestaurantID; parameters[1].Value = model.UserName; parameters[2].Value = model.Comment; object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters); if (obj == null) { return(0); } else { return(Convert.ToInt32(obj)); } }
public List <Models.UserComment> DataTableToList(DataTable dt) { List <Models.UserComment> modelList = new List <Models.UserComment>(); int rowCount = dt.Rows.Count; if (rowCount > 0) { Models.UserComment model; for (int i = 0; i < rowCount; i++) { model = new Models.UserComment(); if (dt.Rows[i]["Id"] != null && dt.Rows[i]["Id"].ToString() != "") { model.ID = int.Parse(dt.Rows[i]["Id"].ToString()); } if (dt.Rows[i]["RestaurantID"] != null && dt.Rows[i]["RestaurantID"].ToString() != "") { model.RestaurantID = (int)dt.Rows[i]["RestaurantID"]; } if (dt.Rows[i]["UserName"] != null && dt.Rows[i]["UserName"].ToString() != "") { model.UserName = dt.Rows[i]["UserName"].ToString(); } if (dt.Rows[i]["Comment"] != null && dt.Rows[i]["Comment"].ToString() != "") { model.Comment = dt.Rows[i]["Comment"].ToString(); } modelList.Add(model); } } return(modelList); }
/// <summary> /// 得到一个对象实体 /// </summary> public Models.UserComment DataRowToModel(DataRow row) { Models.UserComment model = new Models.UserComment(); if (row != null) { if (row["ID"] != null && row["ID"].ToString() != "") { model.ID = int.Parse(row["ID"].ToString()); } if (row["RestaurantID"] != null && row["RestaurantID"].ToString() != "") { model.RestaurantID = int.Parse(row["RestaurantID"].ToString()); } if (row["UserName"] != null) { model.UserName = row["UserName"].ToString(); } if (row["Comment"] != null) { model.Comment = row["Comment"].ToString(); } } return(model); }
/// <summary> /// 得到一个对象实体 /// </summary> public Models.UserComment GetModel(int ID) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 ID,RestaurantID,UserName,Comment from UserComment "); strSql.Append(" where ID=@ID"); SqlParameter[] parameters = { new SqlParameter("@ID", SqlDbType.Int, 4) }; parameters[0].Value = ID; Models.UserComment model = new Models.UserComment(); DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { return(DataRowToModel(ds.Tables[0].Rows[0])); } else { return(null); } }