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VB.NET RoleProvider.GetUsersInRole方法代碼示例

本文整理匯總了VB.NET中System.Web.Security.RoleProvider.GetUsersInRole方法的典型用法代碼示例。如果您正苦於以下問題:VB.NET RoleProvider.GetUsersInRole方法的具體用法?VB.NET RoleProvider.GetUsersInRole怎麽用?VB.NET RoleProvider.GetUsersInRole使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。


在下文中一共展示了RoleProvider.GetUsersInRole方法的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的VB.NET代碼示例。

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
開發者ID:VB.NET開發者,項目名稱:System.Web.Security,代碼行數:40,代碼來源:RoleProvider.GetUsersInRole


注:本文中的System.Web.Security.RoleProvider.GetUsersInRole方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。