This documentation is archived and is not being maintained.

Membership.FindUsersByEmail Method (String)

Gets a collection of membership users where the e-mail address contains the specified e-mail address to match.

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

public static MembershipUserCollection FindUsersByEmail(
	string emailToMatch


Type: System.String
The e-mail address to search for.

Return Value

Type: System.Web.Security.MembershipUserCollection
A MembershipUserCollection that contains all users that match the emailToMatch parameter.
Leading and trailing spaces are trimmed from the emailToMatch parameter value.

FindUsersByEmail returns a list of membership users where the e-mail address matches the supplied emailToMatch for the configured applicationName.

The SqlMembershipProvider performs its search using a LIKE clause against the emailToMatch parameter. Any wildcards that are supported by SQL Server in LIKE clauses can be used in the emailToMatch parameter value.

The following code example uses the FindUsersByEmail method to retrieve membership user information from the membership database based on user input and displays the results in pages of data.

Security noteSecurity Note

This example contains a text box that accepts user input, which is a potential security threat. By default, ASP.NET Web pages validate that user input does not include script or HTML elements. For more information, see Script Exploits Overview.

<%@ Page Language="C#" %>
<%@ Import Namespace="System.Web.Security" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
<script runat="server">

public void GoButton_OnClick(object sender, EventArgs args)
  UserGrid.DataSource = Membership.FindUsersByEmail(EmailTextBox.Text);

<html xmlns="" >
<title>Sample: Find Users by Email</title>

<form id="form1" runat="server">
  <h3>User List</h3>

  E-mail address to Search for: 
    <asp:TextBox id="EmailTextBox" runat="server" />
    <asp:Button id="GoButton" Text=" Go " OnClick="GoButton_OnClick" runat="server" /><br />

  <asp:DataGrid id="UserGrid" runat="server"
                CellPadding="2" CellSpacing="1"
    <HeaderStyle BackColor="darkblue" ForeColor="white" />



.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

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.