24.3 Collections Reference

PropertyCollection ep = DataColumn.ExtendedProperties;

Accesses the PropertyCollection object of the DataColumn that allows custom information related to the DataColumn to be stored. Nonstring properties aren't persisted when the DataSet is written as XML.

Example

The following example shows how to set and retrieve custom information for the DataTable using ExtendedProperties:

// set
col.ExtendedProperties.Add("MyKey", "MyCustomData");

// get
String customData = col.ExtendedProperties["MyKey"].ToString();

Note

See the Notes for the ExtendedProperties collection section in Chapter 22.