本文整理汇总了VB.NET中System.Web.ClientServices.Providers.ClientRoleProvider.IsUserInRole方法的典型用法代码示例。如果您正苦于以下问题：VB.NET ClientRoleProvider.IsUserInRole方法的具体用法？VB.NET ClientRoleProvider.IsUserInRole怎么用？VB.NET ClientRoleProvider.IsUserInRole使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Web.ClientServices.Providers.ClientRoleProvider的用法示例。
在下文中一共展示了ClientRoleProvider.IsUserInRole方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的VB.NET代码示例。
示例1: AttemptManagerTask
Private Sub AttemptManagerTask()
Dim identity As System.Security.Principal.IIdentity = _
System.Threading.Thread.CurrentPrincipal.Identity
' Return if the authentication type is not "ClientForms".
' This indicates that the user is logged out.
If Not identity.AuthenticationType.Equals("ClientForms") Then Return
Try
Dim provider As ClientRoleProvider = _
CType(System.Web.Security.Roles.Provider, ClientRoleProvider)
Dim userName As String = identity.Name
' Determine whether the user login has expired by attempting
' to retrieve roles from the service. Call the ResetCache method
' to ensure that the roles are retrieved from the service. If no
' roles are returned, then the login has expired. This assumes
' that every valid user has been assigned to one or more roles.
provider.ResetCache()
Dim roles As String() = provider.GetRolesForUser(userName)
If roles.Length = 0 Then
MessageBox.Show( _
"Your login has expired. Please log in again to access " & _
"the roles service.", "Attempting to access user roles...")
' Call ValidateUser with empty strings in order to
' display the login dialog box configured as a
' credentials provider.
If Not System.Web.Security.Membership.ValidateUser( _
String.Empty, String.Empty) Then
MessageBox.Show("Unable to authenticate. " & _
"Cannot retrieve user roles.", "Not logged in", _
MessageBoxButtons.OK, MessageBoxIcon.Error)
Return
End If
End If
If provider.IsUserInRole(userName, "manager") Then
PerformManagerTask()
End If
Catch ex As System.Net.WebException
MessageBox.Show( _
"Unable to access the remote service. " & _
"Cannot retrieve user roles.", "Warning", _
MessageBoxButtons.OK, MessageBoxIcon.Warning)
End Try
End Sub开发者ID:VB.NET开发者，项目名称:System.Web.ClientServices.Providers，代码行数:57，代码来源:ClientRoleProvider.IsUserInRole