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Membership.DeleteUser Method (String)

Deletes a user and any related user data from the database.

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

public static bool DeleteUser(
	string username
)

Parameters

username
Type: System.String

The name of the user to delete.

Return Value

Type: System.Boolean
true if the user was deleted; otherwise, false.

ExceptionCondition
ArgumentException

username is an empty string or contains a comma (,).

ArgumentNullException

username is null.

User data stored in the database for the Roles, Profile, or WebPart personalization is also deleted when you are using the SqlRoleProvider, SqlProfileProvider, and SqlPersonalizationProvider objects for data storage.

The following code example deletes the currently logged-on user and all related data.

<%@ Page Language="C#" %>
<%@ Import Namespace="System.Web.Security" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">

public void YesButton_OnClick(object sender, EventArgs args)
{
  Membership.DeleteUser(User.Identity.Name);
  Response.Redirect("logincs.aspx");
}

public void CancelButton_OnClick(object sender, EventArgs args)
{
  Response.Redirect("default.aspx");
}

</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>Sample: Delete User</title>
</head>
<body>

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

  <asp:Label id="Msg" ForeColor="maroon" runat="server" /><br />

  <p style="color:red">Are you sure you want to delete the userid <b><%=User.Identity.Name%></b>?</p>

  <asp:Button id="YesButton" Text="Yes" OnClick="YesButton_OnClick" runat="server" />
  <asp:Button id="CancelButton" Text="Cancel" OnClick="CancelButton_OnClick" runat="server" />
</form>

</body>
</html>

.NET Framework

Supported in: 4.6, 4, 3.5, 3.0, 2.0

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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