MembershipProviderCollection Class
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MembershipProviderCollection Class

 

A collection of objects that inherit the MembershipProvider abstract class.

Namespace:   System.Web.Security
Assembly:  System.Web.ApplicationServices (in System.Web.ApplicationServices.dll)

System.Object
  System.Configuration.Provider.ProviderCollection
    System.Web.Security.MembershipProviderCollection

public sealed class MembershipProviderCollection : ProviderCollection

NameDescription
System_CAPS_pubmethodMembershipProviderCollection()

Creates a new, empty membership provider collection.

NameDescription
System_CAPS_pubpropertyCount

Gets the number of providers in the collection.(Inherited from ProviderCollection.)

System_CAPS_pubpropertyIsSynchronized

Gets a value indicating whether access to the collection is synchronized (thread safe).(Inherited from ProviderCollection.)

System_CAPS_pubpropertyItem[String]

Gets the membership provider in the collection referenced by the specified provider name.

System_CAPS_pubpropertySyncRoot

Gets the current object.(Inherited from ProviderCollection.)

NameDescription
System_CAPS_pubmethodAdd(ProviderBase)

Adds a membership provider to the collection.(Overrides ProviderCollection.Add(ProviderBase).)

System_CAPS_pubmethodClear()

Removes all items from the collection.(Inherited from ProviderCollection.)

System_CAPS_pubmethodCopyTo(MembershipProvider[], Int32)

Copies the membership provider collection to a one-dimensional array.

System_CAPS_pubmethodCopyTo(ProviderBase[], Int32)

Copies the contents of the collection to the given array starting at the specified index.(Inherited from ProviderCollection.)

System_CAPS_pubmethodEquals(Object)

Determines whether the specified object is equal to the current object.(Inherited from Object.)

System_CAPS_pubmethodGetEnumerator()

Returns an object that implements the IEnumerator interface to iterate through the collection.(Inherited from ProviderCollection.)

System_CAPS_pubmethodGetHashCode()

Serves as the default hash function. (Inherited from Object.)

System_CAPS_pubmethodGetType()

Gets the Type of the current instance.(Inherited from Object.)

System_CAPS_pubmethodRemove(String)

Removes a provider from the collection.(Inherited from ProviderCollection.)

System_CAPS_pubmethodSetReadOnly()

Sets the collection to be read-only.(Inherited from ProviderCollection.)

System_CAPS_pubmethodToString()

Returns a string that represents the current object.(Inherited from Object.)

NameDescription
System_CAPS_pubinterfaceSystem_CAPS_privmethodICollection.CopyTo(Array, Int32)

Copies the elements of the ProviderCollection to an array, starting at a particular array index.(Inherited from ProviderCollection.)

NameDescription
System_CAPS_pubmethodAsParallel()

Overloaded. Enables parallelization of a query.(Defined by ParallelEnumerable.)

System_CAPS_pubmethodAsQueryable()

Overloaded. Converts an IEnumerable to an IQueryable.(Defined by Queryable.)

System_CAPS_pubmethodCast<TResult>()

Casts the elements of an IEnumerable to the specified type.(Defined by Enumerable.)

System_CAPS_pubmethodOfType<TResult>()

Filters the elements of an IEnumerable based on a specified type.(Defined by Enumerable.)

The membership providers for an application are exposed as a read-only MembershipProviderCollection by the Providers property of the Membership class. You can access a specific membership provider in the collection by name and cast it as the specific provider type, such as SqlMembershipProvider. This enables you to manage membership information from multiple data stores in a single application as well as access custom members of a membership provider that are not part of the MembershipProvider abstract class.

System_CAPS_noteNote

If you are not familiar with the membership features of ASP.NET, see Introduction to Membership before continuing. For a list of other topics related to membership, see Managing Users by Using Membership.

The following code example lists the providers enabled for an application and their respective types.

<%@ Page Language="C#" %>
<%@ Import Namespace="System.Web.Security" %>
<%@ Import Namespace="System.Configuration.Provider" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>List Enabled Providers</title>
</head>
<body>

<%
foreach (ProviderBase p in Membership.Providers)
  Response.Write(p.Name + ", " + p.GetType() + "<br />");
%>

</body>
</html>

.NET Framework
Available since 2.0

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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