cell factory worksheet

When you use Excel to create a worksheet, you will inevitably encounter situations where you need to insert (or delete) cell data, and then learn how to insert and delete cells. ⑴ Insert Cells Move the cursor to the cell near where you want to insert the cell. Click the Start tab, click the Insert button in the cells

The cell has a table view and a collection view of cell two, and the Factory mode is implemented in roughly the same way.1. First introduce the cell factory of the table view1): First create the cell base class Basetableviewcell t

tableThen modify the intermediate tables for users and rolesThen this program will interact with the database three timesBut if you put three action lines into a cache, wait until the last commit to the databaseThis reduces the number of interactions in the database and increases the throughput of the databaseThis is the unit work mode.This functionality can be easily implemented in EF (the last step in the data manipulation class is not to use the SaveChange save operation of the data context,