System.Design 2.0.0.0 The interface allows a class to implement a set of properties that describe a field in a data source. The class implements the interface. Classes that implement the are used by custom control designer components to provide lists of data source fields and properties for data-bound controls at design time. Provides basic functionality for describing the structure of a data field at design time. Property System.Type To be added. To be added. Gets the type of data stored in the field. 2.0.0.0 Property System.Boolean To be added. For a object, the property corresponds to the property. In SQL Server, an Identity column is a numerical column that automatically increments with each added record, thereby ensuring that the value uniquely identifies that record. Gets a value indicating whether the value of the field automatically increments for each new row. 2.0.0.0 Property System.Boolean To be added. For a , the property corresponds to the property. Gets a value indicating whether the field is editable. 2.0.0.0 Property System.Boolean To be added. For a object, the property corresponds to the property. Gets a value indicating whether values in the field are required to be unique. 2.0.0.0 Property System.Int32 To be added. For a object, the property corresponds to the property. Gets a value indicting the size of data that can be stored in the field. 2.0.0.0 Property System.String To be added. For a object, the property corresponds to the property. Gets the name of the field. 2.0.0.0 Property System.Boolean To be added. For a object, the property corresponds to the property. Gets a value indicating whether the field can accept null values. 2.0.0.0 Property System.Int32 To be added. To be added. Gets the maximum number of digits used to represent a numerical value in the field. 2.0.0.0 Property System.Boolean To be added. To be added. Gets a value indicating whether the field is in the primary key. 2.0.0.0 Property System.Int32 To be added. To be added. Gets the number of decimal places to which numerical values in the field are resolved. 2.0.0.0