... call to Fill(). You can use one of following ways to add restrictionstoDataTableandDataColumn objects: • Add the restrictions yourself by setting the properties of your DataTableand DataColumn ... values placed in the DataColumnobjects of the Products DataTable. Adding Constraints toDataTableObjects In this section, you'll see how to add constraints toDataTable objects. Specifically, ... DataTableandDataColumnobjects yourself using the properties of the DataTableandDataColumn objects. For example, assume you have a DataSet object named myDataSet that contains three DataTable objects...
... constraints to the DataTable objects. Next, you'll see how to add restrictions toDataColumn objects. Adding RestrictionstoDataColumnObjects In this section, you'll see how to add restrictions ... restrictionsto the DataColumnobjects stored in a DataTable. Specifically, you'll see how to set the AllowDBNull, AutoIncrement, AutoIncrementSeed, AutoIncrementStep, ReadOnly, and Unique ... ProductID myDataColumn.DataType = System.Int32 myDataColumn.AllowDBNull = False myDataColumn.AutoIncrement = True myDataColumn.AutoIncrementSeed = -1 myDataColumn.AutoIncrementStep = -1 myDataColumn.MaxLength...
... you to deliver applications to computers and users. For example, you can make applications A and B available to computers within a given domain and make applications C and D available to users ... interest, and select the Properties command from the context menu. Then go to the Group Policy tab, highlight the required GPO, and click the Edit button. 3. The Group Policy Object Editor will ... installing software today? If you're still running from machine to machine with the CD-ROM media and forcing users to take a coffee break for 30 to 60 minutes while you install and test the required...
... tích kinh tế theo ngành, nghề kinh tế kỹ thuật, danh mục khách hàng lựa chọn biện pháp cho vay an to n và đạt hiệu quả cao. - Thẩm định và đề xuất cho vay các dự án tín dụng theo phân cấp uỷ quyền. ... có tài sản bảo đảm và không có TSBĐ) và TSBĐ nợ vay (tài sản bảo đảm; tài sản gán nợ; tài sản To án giao cho NHNo & PTNT VN) liên quan đến các khoản nợ của NHNo & PTNT VN để xử lý,...
... OleDbCommand myOleDbCommand = myOleDbConnection.CreateCommand(); // set the CommandType property of the OleDbCommand object to // TableDirect myOleDbCommand.CommandType = CommandType.TableDirect; ... object: OleDbCommand myOleDbCommand = myOleDbConnection.CreateCommand(); You then set the CommandType of myOleDbConnection to CommandType.TableDirect: myOleDbCommand.CommandType = CommandType.TableDirect; ... myDataRow[myDataColumn]); if (myDataColumn.ToString() == "ProviderType") { ); SqlCommand mySqlCommand = mySqlConnection.CreateCommand(); mySqlCommand.CommandText = "SELECT...
... SqlConnection objects is created. A maximum of 10 SqlConnection objects can be stored in the pool. If you attempt to open a new SqlConnection object and the pool is already full with currently used objects, ... SqlConnection object to connect to the // database, passing the connection string to the constructor SqlConnection mySqlConnection = Using a SqlConnection Object to Connect to a SQL Server Database ... you'll see how to open and close a connection. Opening and Closing a Database Connection Once you've created your Connection object and set its ConnectionString property to the appropriate...
... 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 configured ... most interesting nodes to us are Software Installation and Administrative Templates. Note GPOs are applied to user objectsand computer objects only. They are not applied to security groups. ... couple of ways to bring up the Group Policy tool, but perhaps the easiest is to load the Active Directory Users and Computers MMC snap-in. Right-click on a Domain or OU name and select Properties...
... Note To immediately view RSoP for the current user on the local Windows Server 20 03 computer, click the Start button, select the Run command, enter the rsop.msc command into the Open field, and ... one. To do so: 1. Start the Active Directory Users and Computers MMC snap-in, right-click the name of the domain of interest, and select the Properties command from the context menu. 2. Go to ... improvement, since it allows administrators to plan, monitor, and troubleshoot Group Policy. These capabilities in Windows 2000 were limited; only a GPResult.exe command-line Resource Kit utility was...
... mySqlConnection.Open(); // create a SqlCommand object SqlCommand mySqlCommand = mySqlConnection.CreateCommand(); // run a PRINT statement mySqlCommand.CommandText = "PRINT 'This is ... " ;to "+ myEvent.CurrentState ); } To monitor an event, you must register your event handler method with that event. For example, the following statement registers the StateChangeHandler() ... "Introduction to Transact-SQL Programming." The following InfoMessageHandler() method is used to handle the InfoMessage event. Notice the use of the Errors collection to display the...