Tài liệu Adding Restrictions to DataTable and DataColumn Objects phần 3 ppt

... OrderID myDataColumn.ColumnName = OrderID myDataColumn.DataType = System.Int32 myDataColumn.AllowDBNull = False myDataColumn.AutoIncrement = False myDataColumn.AutoIncrementSeed = 0 myDataColumn.AutoIncrementStep ... ProductID myDataColumn.ColumnName = OrderID myDataColumn.DataType = System.Int32 myDataColumn.AllowDBNull = False myDataColumn.AutoIncrement = False myDataColumn.AutoIncrementSeed = 0 myDataColumn.AutoIncrementStep ... = False myDataColumn.AutoIncrement = False myDataColumn.AutoIncrementSeed = 0 myDataColumn.AutoIncrementStep = 1 myDataColumn.MaxLength = -1 myDataColumn.ReadOnly = False myDataColumn.Unique...

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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 the properties of your DataTable and DataColumn ... values placed in the DataColumn objects of the Products DataTable. Adding Constraints to DataTable Objects In this section, you'll see how to add constraints to DataTable objects. Specifically,...

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Tài liệu Adding restrictions to datatable and datacolumn objects phần 2 pptx

... 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 ... restrictions to the DataColumn objects stored in a DataTable. Specifically, you'll see how to set the AllowDBNull, AutoIncrement, AutoIncrementSeed, AutoIncrementStep, ReadOnly, and Unique ... illustrates how to add constraints to DataTable objects and add restrictions to DataColumn objects */ using System; using System.Data; using System.Data.SqlClient; class AddRestrictions...

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Tài liệu Group Policy Objects phần 3 ppt

... 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...