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WorkSpace

时间:2018-10-25 14:03:45      阅读:165      评论:0      收藏:0      [点我收藏+]

标签:datatable   bre   null   room   之间   ike   source   spm   外键   

  1 2018.9.26
  2 --往GridControl中添加绑定数据
  3  // 房间费用
  4            DataTable dtRoomInfo = new DataTable();
  5            dtRoomInfo.Columns.Add("v_name", Type.GetType("System.String"));
  6            dtRoomInfo.Columns.Add("t_kt_time", Type.GetType("System.String"));
  7            dtRoomInfo.Columns.Add("v_ktsc", Type.GetType("System.String"));
  8            dtRoomInfo.Columns.Add("v_jfgz_name", Type.GetType("System.String"));
  9            dtRoomInfo.Columns.Add("f_room_money", Type.GetType("System.String"));
 10 
 11            DataRow rowRoomInfo = dtRoomInfo.NewRow();
 12            rowRoomInfo["v_name"] = ddModel.v_czzl_name;
 13            rowRoomInfo["t_kt_time"] = ddModel.t_kaitai_time.ToString("yyyy-MM-dd HH:mm");
 14            decimal hour = decimal.Parse((ddModel.i_jfsc * 1.0 / (60 * 60)).ToString());
 15            rowRoomInfo["v_ktsc"] = ((int)hour).ToString() + "小时" + ((hour - (int)hour) * 60).ToString("0") + "分钟";
 16            rowRoomInfo["v_jfgz_name"] = ddModel.v_jfgz_name;
 17            rowRoomInfo["f_room_money"] = ddModel.f_room_money.ToString();
 18            dtRoomInfo.Rows.Add(rowRoomInfo);
 19            this.gridControlRoomInfo.DataSource = dtRoomInfo;
 20 
 21            //预付款           
 22            DataTable dtYFMoney = new DataTable();
 23            dtYFMoney.Columns.Add("v_fkfs", Type.GetType("System.String"));
 24            dtYFMoney.Columns.Add("t_time", Type.GetType("System.String"));
 25            dtYFMoney.Columns.Add("f_yf_money", Type.GetType("System.String"));
 26            dtYFMoney.Columns.Add("v_operation_name", Type.GetType("System.String"));
 27            dtYFMoney.Columns.Add("v_mark", Type.GetType("System.String"));
 28            DataRow rowYFMoney = dtYFMoney.NewRow();
 29             //支付类型
 30                 switch (ddModel.i_yj_payment_type)
 31                 {
 32                     case 0:
 33                         rowYFMoney["v_fkfs"] = "现金";
 34                         break;
 35                     case 1:
 36                         rowYFMoney["v_fkfs"] = "银行卡";
 37                         break;
 38                     case 2:
 39                         rowYFMoney["v_fkfs"] = "微信";
 40                         break;
 41                     case 3:
 42                         rowYFMoney["v_fkfs"] = "支付宝";
 43                         break;
 44                     default:
 45                         break;
 46                 }
 47                 rowYFMoney["t_time"] = ddModel.t_kaitai_time.ToString("yyyy-MM-dd HH:mm");
 48                 rowYFMoney["f_yf_money"] = ddModel.f_yajin_money.ToString();
 49                 rowYFMoney["v_operation_name"] =ddModel.v_operator_name;
 50                 rowYFMoney["v_mark"] =ddModel.v_mark;
 51                 dtYFMoney.Rows.Add(rowYFMoney);
 52                 this.gridControlYFMoney.DataSource = dtYFMoney;
 53 ------------------------------------------------------------------------------------------------------------
 54 2018.10.15:周一
 55 
 56 -- 返回前5个数据 
 57 SELECT TOP 5 * 
 58 FROM Student;  
 59 
 60 -- 返回前50%的数据 
 61 SELECT TOP 50 PERCENT * 
 62 FROM Student;  
 63 
 64 -- 以"C""P"开头 
 65 SELECT *  
 66 FROM Student
 67  WHERE Subject LIKE [CP]%;  
 68  
 69 -- 不以"C""P"开头 
 70 SELECT *  
 71 FROM Student 
 72 -- WHERE Subject LIKE [^CP]%; 
 73 -- WHERE Subject LIKE [!CP]%; //不行
 74 WHERE Subject NOT LIKE [CP]%;  
 75 
 76 -- 以"A-D"开头 
 77 SELECT * 
 78 FROM Student 
 79 WHERE Subject LIKE [A-D]%; 
 80 
 81 --选择科目是java和c#的所有人 
 82  SELECT * 
 83  FROM Student 
 84  WHERE Subject IN (Java,C#); 
 85  -- WHERE Subject NOT IN (Java,C#);  
 86  
 87  --选择范围之间 
 88  SELECT * 
 89  FROM Student 
 90  WHERE StuAge BETWEEN 22 AND 24; 
 91  -- WHERE StuAge NOT BETWEEN 22 AND 24;  
 92   
 93 SELECT * 
 94 FROM Student 
 95 WHERE (StuAge BETWEEN 22 AND 24) AND Subject NOT IN(Java);  
 96  
 97 SELECT *
 98 FROM Student 
 99 WHERE StuName BETWEEN 曹操 AND 关羽 
100 ORDER BY StuName;  
101 
102 --若有日期的话 
103 --SELECT * FROM Student WHERE Date BETWEEN #07/04/1996# AND #07/09/1996#;
104 
105 -- 连接
106 --107 SELECT *
108 FROM Student INNER JOIN UserLogin
109 ON Student.StuName=UserLogin.UserName;
110 -- 左外
111 SELECT *
112 FROM Student LEFT JOIN UserLogin
113 ON Student.StuName=UserLogin.UserName;
114 -- 右外
115 SELECT *
116 FROM Student RIGHT JOIN UserLogin
117 ON Student.StuName=UserLogin.UserName;
118 -- 自然
119 SELECT *
120 FROM Student FULL JOIN UserLogin
121 ON Student.StuName=UserLogin.UserName;
122 
123 -- 自连接
124 SELECT S.StuName AS NAME1,U.UserName AS NAME2
125 FROM Student S,UserLogin U
126 WHERE S.ID =U.ID;
127 
128 --组合并去重复
129 SELECT StuName AS NAME
130 FROM Student
131 UNION
132 SELECT UserName
133 FROM UserLogin
134 ORDER BY StuName;
135 
136 --组合但未去重复
137 SELECT StuName AS NAME
138 FROM Student
139 UNION ALL
140 SELECT UserName
141 FROM UserLogin
142 ORDER BY StuName;
143 
144 --复制表中的数据到另一个新建表
145 SELECT * 
146 INTO Student1015
147 FROM Student;
148 
149 -- 复制到另一个数据库//貌似不可行
150 SELECT * 
151 INTO Student181015 IN Nwind.mdb
152 FROM Student;
153 
154 --只复制一些列到新表
155 SELECT StuName,StuAge 
156 INTO Student1015_1
157 FROM Student;
158 
159 --复制多个表中信息插入新表
160 SELECT UserLogin.ID,Student.StuName,Student.StuAge 
161 INTO Student1015_2
162 FROM Student INNER JOIN  UserLogin
163 ON Student.StuName=UserLogin.UserName
164 ORDER BY UserLogin.ID;
165 
166 --建一个空表,查询返回时无返回值
167 SELECT *
168 INTO newtable
169 FROM Student
170 WHERE 1=0;
171 
172 --把指定列插入另一个表的指定列
173 INSERT INTO Student1015_2(ID,StuName,StuAge)
174 SELECT TOP 3 Student.ID,Student.Subject,Student.StuAge
175 FROM Student
176 WHERE Student.Subject=c#;
177 
178 --删除表
179 DROP TABLE Student1015_2;
180 --只删除表中数据
181 TRUNCATE TABLE Student1015_2;
182 
183 --添加列
184 ALTER TABLE Student1015_1 
185 ADD STU15 DATE;
186 --删除列
187 ALTER TABLE Student1015_1
188 DROP COLUMN STU15;
189 --更改列
190 ALTER TABLE Student1015_1
191 ALTER COLUMN STU15 DATETIME;
192 
193 --创建视图
194 GO
195 CREATE VIEW [MYSTUDENT] AS
196 SELECT ID,StuName
197 FROM Student1015
198 WHERE StuAge=24;
199 GO
200 
201 GO
202 CREATE VIEW [DYMYSTUDENT] AS
203 SELECT ID,StuName
204 FROM Student1015
205 WHERE StuAge>(SELECT AVG(StuAge) FROM Student1015);
206 GO
207 --查询视图
208 GO
209 SELECT *
210 FROM [MYSTUDENT]
211 GO
212 --更新视图//貌似不行
213 GO
214 CREATE OR REPLACE VIEW [MYSTUDENT] AS
215 SELECT ID,StuName
216 FROM Student1015
217 WHERE StuAge=23;
218 GO
219 --删除视图
220 DROP VIEW [MYSTUDENT];
221 
222 --查询时间
223 SELECT *
224 FROM Student1015_1
225 WHERE STU15=2018-10-15;
226 ----------------------------------------------------------------------------------------------------------------
227 2018.10.16:周二
228 --进阶
229 
230 --别名
231 SELECT StuName,StuNum+,+StuClass+,+StuGender+,+StuPhone AS 信息
232 FROM Student;
233 
234 --删除主键约束
235 ALTER TABLE Student DROP CONSTRAINT PK_Student;
236 
237 --创建表并添加唯一性约束
238 CREATE TABLE Persons(
239 P_Id int NOT NULL,
240 LastName varchar(255) NOT NULL,
241 FirstName varchar(255),
242 Address varchar(255),
243 City varchar(255),
244 CONSTRAINT uc_PersonID UNIQUE (P_Id,LastName)
245 );
246 --如果表已被创建添加唯一性约束
247 ALTER TABLE Student
248 ADD UNIQUE (ID);
249 --如果需要命名约束
250 ALTER TABLE Student
251 ADD CONSTRAINT uc_Student UNIQUE (ID,StuName)
252 --删除这个约束
253 ALTER TABLE Student
254 DROP CONSTRAINT uc_Student;
255 
256 --主键约束
257 CREATE TABLE Person(
258 P_Id int NOT NULL,
259 LastName varchar(255) NOT NULL,
260 FirstName varchar(255),
261 Address varchar(255),
262 City varchar(255),
263 CONSTRAINT pk_PersonID PRIMARY KEY (P_Id,LastName)
264 );
265 --在上面的实例中,只有一个主键 PRIMARY KEY(pk_PersonID)。
266 --然而,pk_PersonID 的值是由两个列(P_Id 和 LastName)组成的。
267 --如果表已创建
268 ALTER TABLE Person
269 ADD CONSTRAINT pk_PersonID PRIMARY KEY (P_Id,LastName);
270 --删除约束
271 ALTER TABLE Person
272 DROP CONSTRAINT pk_PersonID;
273 
274 --外键约束
275 CREATE TABLE Orders(
276 O_Id int NOT NULL PRIMARY KEY,
277 OrderNo int NOT NULL,
278 P_Id int FOREIGN KEY REFERENCES Person(P_Id)
279 );
280 
281 --如需命名 FOREIGN KEY 约束,并定义多个列的 FOREIGN KEY 约束
282 CREATE TABLE Orders1(
283 O_Id int NOT NULL,
284 OrderNo int NOT NULL,
285 P_Id int,
286 PRIMARY KEY (O_Id),
287 CONSTRAINT fk_PerOrders FOREIGN KEY (P_Id)
288 REFERENCES Person(P_Id)
289 );
290 
291 -- 当表已被创建时
292 ALTER TABLE Orders
293 ADD FOREIGN KEY (P_Id)
294 REFERENCES Persons(P_Id)
295 -- 如需命名 FOREIGN KEY 约束,并定义多个列的 FOREIGN KEY 约束
296 ALTER TABLE Orders
297 ADD CONSTRAINT fk_PerOrders
298 FOREIGN KEY (P_Id)
299 REFERENCES Persons(P_Id)
300 
301 -- 删除约束
302 ALTER TABLE Orders
303 DROP CONSTRAINT fk_PerOrders
304 
305 -- 默认约束
306 
307 -- 下面的 SQL 在表创建时在 "City" 列上创建 DEFAULT 约束:
308 CREATE TABLE Persons1016_1(
309 P_Id int NOT NULL,
310 LastName varchar(255) NOT NULL,
311 FirstName varchar(255),
312 Address varchar(255),
313 City varchar(255) DEFAULT Sandnes
314 )
315 -- 通过使用类似 GETDATE() 这样的函数,DEFAULT 约束也可以用于插入系统值:
316 CREATE TABLE Orders1016_2(
317 O_Id int NOT NULL,
318 OrderNo int NOT NULL,
319 P_Id int,
320 OrderDate date DEFAULT GETDATE()
321 )
322 
323 --当表已被创建时,如需在 "City" 列创建 DEFAULT 约束
324 ALTER TABLE Persons 
325 ADD CONSTRAINT DF_Persons_City DEFAULT(SANDNES) FOR City
326 --Persons 为表名
327 --City 为列名
328 --DF_Persons_City 为我们创建的默认约束的名称 约束名称一般为:约束类型简称_表名_列名
329 
330 --删除
331 ALTER TABLE Persons1016_1
332 ALTER COLUMN City DROP DEFAULT;
333 
334 --having
335 SELECT ID,StuName,StuClass,StuPhone,StuAge,SUM(ID+StuAge) AS HE
336 FROM Student
337 GROUP BY ID ,StuName,StuClass,StuPhone,StuAge
338 HAVING StuAge>22;
339 ?
2018.10.23-24:周二 周三
// 复制设置
        private void tzxButtonExCopy_Click(object sender, EventArgs e)
        {
            if (this.currentSelectedCzzlModel==null)
            {
                MessageBoxFunction.showInfoMessageBox("请选择正确的餐桌进行复制!");
                return;
            }
            // 弹出选择桌台页面
            SelectTableListForm formSelectTableList = new SelectTableListForm();
            formSelectTableList.ShowDialog();
            //获取到所选择的桌子
            selectCzzlList=formSelectTableList.SelectedTableInfoList;
            //MessageBox.Show(selectCzzlList.Count.ToString());
            if (formSelectTableList.DialogResult != DialogResult.OK)
            {
                return;
            }
            if (selectCzzlList == null || selectCzzlList.Count == 0)
            {
                return;
            }
            //把设置复制到所选择的餐桌
            foreach (cy_jczl_czzl_lb item in selectCzzlList)
            {
                if (this.currentSelectedCzzlModel.pk == item.pk)
                {
                    continue;
                }
                //对某些餐桌上已有设置的菜品进行清空
                List<cy_jczl_czzl_ktsp> deleteKtspList=TableProfileManager.Instance.getKtspList(item.v_no);
                foreach (cy_jczl_czzl_ktsp deleteKtspModel in deleteKtspList)
                {
                    TableProfileManager.Instance.ktspDelete(deleteKtspModel.pk);
                }
                //餐桌资料的一些设置进行复制
                item.i_cwf_type= this.currentSelectedCzzlModel.i_cwf_type;
                if (item.i_cwf_type == 0)
                {
                    item.f_cwf_cz_money = this.currentSelectedCzzlModel.f_cwf_cz_money;
                }
                else if (item.i_cwf_type == 1)
                {
                    item.f_cwf_cz_money = this.currentSelectedCzzlModel.f_cwf_cz_money;
                    item.f_cwf_people_money = 0;
                }
                else if (item.i_cwf_type == 2)
                {
                    item.f_cwf_people_money = this.currentSelectedCzzlModel.f_cwf_people_money;
                    item.f_cwf_cz_money = 0;
                }
                else
                {
                    return;
                }
                item.i_ktcd = this.currentSelectedCzzlModel.i_ktcd; 
                item.i_ktsp = this.currentSelectedCzzlModel.i_ktsp;
                TableProfileManager.Instance.CzzlUpdate(item);
                //餐桌所选的开台菜品进行复制
                List<cy_jczl_czzl_ktsp> currentKtspList = TableProfileManager.Instance.getKtspList(this.currentSelectedCzzlModel.v_no);
                if (currentKtspList == null || currentKtspList.Count == 0)
                {
                    return;
                }
                foreach (cy_jczl_czzl_ktsp currentKtspModel in currentKtspList)
                {
                    cy_jczl_czzl_ktsp copyKtspModel = new cy_jczl_czzl_ktsp();
                    copyKtspModel.f_amount = currentKtspModel.f_amount;
                    copyKtspModel.f_price = currentKtspModel.f_price;
                    copyKtspModel.f_total_money = currentKtspModel.f_total_money;
                    copyKtspModel.i_dalei_pk = currentKtspModel.i_dalei_pk;
                    copyKtspModel.i_czzl_pk = item.pk;
                    copyKtspModel.i_delete = currentKtspModel.i_delete;
                    copyKtspModel.i_goods_pk = currentKtspModel.i_goods_pk;
                    copyKtspModel.i_status = currentKtspModel.i_status;
                    copyKtspModel.i_operator_pk = item.i_operator_pk;
                    copyKtspModel.i_xiaolei_pk = currentKtspModel.i_xiaolei_pk;
                    copyKtspModel.t_create_time = item.t_create_time;
                    copyKtspModel.v_czzl_no = item.v_no;
                    copyKtspModel.v_dalei_name = currentKtspModel.v_dalei_name;
                    copyKtspModel.v_danwei_name = currentKtspModel.v_danwei_name;
                    copyKtspModel.v_goods_name = currentKtspModel.v_goods_name;
                    copyKtspModel.v_goods_no = currentKtspModel.v_goods_no;
                    copyKtspModel.v_mark = currentKtspModel.v_mark;
                    copyKtspModel.v_specs = currentKtspModel.v_specs;
                    copyKtspModel.v_xiaolei_name = currentKtspModel.v_xiaolei_name;

                    TableProfileManager.Instance.ktspAdd(copyKtspModel);
                }   
            }
            MessageBoxFunction.showInfoMessageBox("批量添加成功!");
            base.Close();
            return;
            
        }

 

WorkSpace

标签:datatable   bre   null   room   之间   ike   source   spm   外键   

原文地址:https://www.cnblogs.com/nullcodeworld/p/9849066.html

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