Tài liệu Adding Restrictions to DataTable and DataColumn Objects phần 1 ppt

... also add restrictions to a DataTable and its DataColumn objects. This allows you to model the same restrictions placed on the database tables and columns in your DataTable and DataColumn objects. ... call to Fill(). You can use one of following ways to add restrictions to DataTable and DataColumn objects: • Add the restrictions yourself by setting...

Ngày tải lên: 24/12/2013, 01:17

... constraints to the DataTable objects. Next, you'll see how to add restrictions to DataColumn objects. Adding Restrictions to DataColumn Objects In this section, you'll see how to add restrictions ... ProductID myDataColumn.DataType = System.Int32 myDataColumn.AllowDBNull = False myDataColumn.AutoIncrement = True myDataColumn.AutoIncrementSeed = -1...

Ngày tải lên: 24/12/2013, 01:17

... = False myDataColumn.AutoIncrement = False myDataColumn.AutoIncrementSeed = 0 myDataColumn.AutoIncrementStep = 1 myDataColumn.MaxLength = -1 myDataColumn.ReadOnly = False myDataColumn.Unique ... myDataColumn.AllowDBNull = False myDataColumn.AutoIncrement = True myDataColumn.AutoIncrementSeed = 0 myDataColumn.AutoIncrementStep = 1 myDataColumn.MaxLength = -1 myDataColumn.Read...

Ngày tải lên: 24/12/2013, 01:17

... to Administrators, Power Users, and Backup Operators. On domain controllers, it is assigned to Administrators, Account Operators, Backup Operators, Print Operators, and Server Operators. To ... Control Panel window, and select Administrative Tools | Local Security Policy. 2. Expand the console tree and navigate to the Account Policy container (Fig. 9. 21 ). Figure 9. 2...

Ngày tải lên: 26/01/2014, 06:20

... landowners were held together by feudalism. One who had land to spare granted a portion of it to another person on condition that the one receiving the land should swear to be true to him and ... bound to the land and were under the control of its proprietor. They[Pg 10 1] tilled such part of the estate as the owner reserved for his own particular use, and provided for his...

Ngày tải lên: 16/02/2014, 23:20

... example, if we have three OUs — OU1, OU2, and OU3 — the policies linked to OU1 are applied to the users and computers listed in OU2. Policies in OU1 and OU2 are applied to OU3. If a setting is not ... Active Directory Users and Computers MMC snap-in, and select the Advanced Features command from the View menu. 2. Expand the console tree, drill down to your Active Direct...

Ngày tải lên: 14/12/2013, 10:15

... ); SqlCommand mySqlCommand = mySqlConnection.CreateCommand(); mySqlCommand.CommandText = "SELECT TOP 5 ProductID, ProductName, UnitPrice, " + "UnitsInStock, Discontinued ... " + unitPrice); short unitsInStock = productsSqlDataReader.GetInt16(unitsInStockColPos); Console.WriteLine("unitsInStock = " + unitsInStock); bool discontinued = pro...

Ngày tải lên: 24/12/2013, 01:17

Ngày tải lên: 14/12/2013, 12:15

Ngày tải lên: 14/12/2013, 12:15

Ngày tải lên: 14/12/2013, 12:15