本文整理汇总了VB.NET中System.Web.Security.RoleProvider.GetUsersInRole方法的典型用法代码示例。如果您正苦于以下问题：VB.NET RoleProvider.GetUsersInRole方法的具体用法？VB.NET RoleProvider.GetUsersInRole怎么用？VB.NET RoleProvider.GetUsersInRole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。
在下文中一共展示了RoleProvider.GetUsersInRole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: GetUsersInRole
Public Overrides Function GetUsersInRole(ByVal rolename As String) As String()
If rolename Is Nothing OrElse rolename = "" Then _
Throw New ProviderException("Role name cannot be empty or null.")
If Not RoleExists(rolename) Then _
Throw New ProviderException("Role does not exist.")
Dim tmpUserNames As String = ""
Dim conn As OdbcConnection = New OdbcConnection(connectionString)
Dim cmd As OdbcCommand = New OdbcCommand("SELECT Username FROM UsersInRoles " & _
" WHERE Rolename = ? AND ApplicationName = ?", conn)
cmd.Parameters.Add("@Rolename", OdbcType.VarChar, 255).Value = rolename
cmd.Parameters.Add("@ApplicationName", OdbcType.VarChar, 255).Value = ApplicationName
Dim reader As OdbcDataReader = Nothing
Try
conn.Open()
reader = cmd.ExecuteReader()
Do While reader.Read()
tmpUserNames &= reader.GetString(0) + ","
Loop
Catch e As OdbcException
' Handle exception.
Finally
If Not reader Is Nothing Then reader.Close()
conn.Close()
End Try
If tmpUserNames.Length > 0 Then
' Remove trailing comma.
tmpUserNames = tmpUserNames.Substring(0, tmpUserNames.Length - 1)
Return tmpUserNames.Split(CChar(","))
End If
Return New String() {}
End Function