GridViewUpdateEventArgs::Keys Property
Gets a dictionary of field name/value pairs that represent the primary key of the row to update.
Assembly: System.Web (in System.Web.dll)
Property Value
Type: System.Collections.Specialized::IOrderedDictionaryA System.Collections.Specialized::IOrderedDictionary object containing field name/value pairs that represent the primary key of the row to update.
When the DataKeyNames property of a GridView control is set, use the Keys property (dictionary) to access the value of the primary key in the row to update.
Note |
|---|
To access the values of the non-key fields, use the NewValues or OldValues properties. The NewValues property contains the updated values, while the OldValues property contains the original values. |
The Keys dictionary is automatically populated with the name/value pairs of the field or fields specified in the DataKeyNames property. If multiple fields form the primary key, a separate entry is added to the Keys dictionary for each key field.
To determine the name of a key field, use the DictionaryEntry::Key property of a System.Collections::DictionaryEntry object contained in the Keys dictionary. To determine the value of a key field, use the DictionaryEntry::Value property.
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
Note