Adding restrictions to datatable and datacolumn objects

myPrimaryKey = OrderID myPrimaryKey = ProductID myDataColumn.ColumnName = OrderID myDataColumn.DataType = System.Int32 myDataColumn.AllowDBNull = False myDataColumn.AutoIncrement = False

7p daisuphu 29-07-2010 95 8   Download

constraintName is the name you want to assign to your constraint. isPrimaryKey indicates whether the constraint is a primary key constraint or just a regular unique constraint.

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Adding Restrictions to DataTable and DataColumn Objects As you know, a DataSet object is used to store a copy of a subset of the database. For example, you can store a copy of the rows from database tables into a DataSet

5p daisuphu 29-07-2010 115 6   Download