System.Design 2.0.0.0 System.Object System.Web.UI.Design.IDataSourceFieldSchema Use the class to get the properties of a data field using a . You can discover the structure of a data field by using the following properties in this class: , , , , and . In addition, you can use the property to determine if a data column is set for , or the property to determine if a data column is in the primary key. The class is used by custom control designer components to provide information about a data field at design time. To examine the components of data using a , use the following classes.

Represents the structure, or schema, of a data field.

Constructor 2.0.0.0 Use the class to examine the properties of a data field using a object.

Initializes a new instance of the class using a specified .

A object that the object describes. Property 2.0.0.0 System.Type To be added. To be added.

Gets the type of data stored in the data field.

Property 2.0.0.0 System.Boolean To be added. The property corresponds to the property of a .

Gets a value indicating whether the value of the data field automatically increments for each new row added to the table or view.

Property 2.0.0.0 System.Boolean To be added. To be added.

Gets a value indicating whether the is read-only.

Property 2.0.0.0 System.Boolean To be added. The property corresponds to the property of a .

Gets a value indicating whether values in the data field are required to be unique.

Property 2.0.0.0 System.Int32 To be added. The property corresponds to the property of a .

Gets a value indicating the size of data that can be stored in the data field.

Property 2.0.0.0 System.String To be added. The property corresponds to the property of a .

Gets the name of the data field.

Property 2.0.0.0 System.Boolean To be added. The property corresponds to the property of a .

Gets a value indicating whether the data field can accept null values.

Property 2.0.0.0 System.Int32 To be added. The property is required by the interface, but is not used by the class.

Gets the maximum number of digits used to represent a numerical value in the data field.

Property 2.0.0.0 System.Boolean To be added. To be added.

Gets a value indicating whether the data field is in the primary key for the containing table or view.

Property 2.0.0.0 System.Int32 To be added. The property is required by the interface, but is not used by the class.

Gets the number of decimal places to which numerical values in the data field are resolved.