ASP.NET.in.a.Nutshell.Second.Edition [Electronic resources] نسخه متنی

The DataKeyCollection class contains a read-only
collection of primary field key names as strings. This class is used
by the BaseDataList.DataKeys property to
facillitate editing (for example, you can use a unique ID for your
key field and use it to build SQL statements when you need to update
a record in response to a user edit operation). You must specify the
data key you want to use in the
BaseDataList.DataKeyField property before you bind
the data list.

public sealed class 
DataKeyCollection  : ICollection, IEnumerable {
// Public Constructors
public 
DataKeyCollection (System.Collections.ArrayList 
keys );
// Public Instance Properties
public int 
Count {get; }                          // implements ICollection
public bool 
IsReadOnly {get; }
public bool 
IsSynchronized {get; }                // implements ICollection
public object 
SyncRoot {get; }                    // implements ICollection
public object 
this [int 
index ]{get; }
// Public Instance Methods
public void 
CopyTo (Array 
array , int 
index );                  // implements ICollection
public IEnumerator 
GetEnumerator ( );              // implements IEnumerable
}

Returned By

BaseDataList.DataKeys