Como ocultar os botoes de exportar e salvar da barra do Toolbar (Ribbon) do controle ASPxRibbon do DevExpress.Vamos la...Crie uma pagina .aspx e adicione o controle DocumentViewer<dx:ASPxDocumentViewer ID="ASPxDocumentViewer1" runat="server" ToolbarMode="ExternalRibbon" AssociatedRibbonID="ASPxRibbon1"> </dx:ASPxDocumentViewer>Modifique o atributo ToolbarMode para ExternalRibbon e defina o nome do controle Ribbon que sera associado ao DocumentViewer, propriedade AssociatedRibbonID, como destacado no codigo acima.Codigo do controle Ribbon usado pelo DocumentViewer:<dx:ASPxRibbon ID="ASPxRibbon1" runat="server" EnableTheming="True" OnInit="ASPxRibbon1_Init"> <Tabs> <cc1:DocumentViewerHomeRibbonTab> <Groups> <cc1:DocumentViewerPrintRibbonGroup> <Items> <dx:DocumentViewerPrintReportRibbonCommand> </dx:DocumentViewerPrintReportRibbonCommand> <dx:DocumentViewerPrintPageRibbonCommand> </dx:DocumentViewerPrintPageRibbonCommand> </Items> </cc1:DocumentViewerPrintRibbonGroup> <cc1:DocumentViewerExportRibbonGroup> <Items> <dx:DocumentViewerSaveToDiskDropDownRibbonCommand> <Items> <dx:RibbonPdfFormatCommand> </dx:RibbonPdfFormatCommand> <dx:RibbonXlsFormatCommand> </dx:RibbonXlsFormatCommand> <dx:RibbonXlsxFormatCommand> </dx:RibbonXlsxFormatCommand> <dx:RibbonRtfFormatCommand> </dx:RibbonRtfFormatCommand> <dx:RibbonMhtFormatCommand> </dx:RibbonMhtFormatCommand> <dx:RibbonHtmlFormatCommand> </dx:RibbonHtmlFormatCommand> <dx:RibbonTextFormatCommand> </dx:RibbonTextFormatCommand> <dx:RibbonCsvFormatCommand> </dx:RibbonCsvFormatCommand> <dx:RibbonPngFormatCommand> </dx:RibbonPngFormatCommand> </Items> </dx:DocumentViewerSaveToDiskDropDownRibbonCommand> <dx:DocumentViewerSaveToWindowDropDownRibbonCommand> <Items> <dx:RibbonPdfFormatCommand> </dx:RibbonPdfFormatCommand> <dx:RibbonXlsFormatCommand> </dx:RibbonXlsFormatCommand> <dx:RibbonXlsxFormatCommand> </dx:RibbonXlsxFormatCommand> <dx:RibbonRtfFormatCommand> </dx:RibbonRtfFormatCommand> <dx:RibbonMhtFormatCommand> </dx:RibbonMhtFormatCommand> <dx:RibbonHtmlFormatCommand> </dx:RibbonHtmlFormatCommand> <dx:RibbonTextFormatCommand> </dx:RibbonTextFormatCommand> <dx:RibbonCsvFormatCommand> </dx:RibbonCsvFormatCommand> <dx:RibbonPngFormatCommand> </dx:RibbonPngFormatCommand> </Items> </dx:DocumentViewerSaveToWindowDropDownRibbonCommand> </Items> </cc1:DocumentViewerExportRibbonGroup> <cc1:DocumentViewerNavigationRibbonGroup> <Items> <dx:DocumentViewerFirstPageRibbonCommand> </dx:DocumentViewerFirstPageRibbonCommand> <dx:DocumentViewerPreviousPageRibbonCommand> </dx:DocumentViewerPreviousPageRibbonCommand> <dx:DocumentViewerPageNumbersTemplateRibbonCommand> <Template> <dx:DocumentViewerRibbonCurrentPageLabel runat="server"> </dx:DocumentViewerRibbonCurrentPageLabel> <dx:DocumentViewerRibbonPagesComboBox runat="server"> </dx:DocumentViewerRibbonPagesComboBox> <dx:DocumentViewerRibbonPageCountLabel runat="server"> </dx:DocumentViewerRibbonPageCountLabel> </Template> </dx:DocumentViewerPageNumbersTemplateRibbonCommand> <dx:DocumentViewerNextPageRibbonCommand> </dx:DocumentViewerNextPageRibbonCommand> <dx:DocumentViewerLastPageRibbonCommand> </dx:DocumentViewerLastPageRibbonCommand> </Items> </cc1:DocumentViewerNavigationRibbonGroup> <cc1:DocumentViewerReportRibbonGroup> <Items> <dx:DocumentViewerSearchRibbonCommand> </dx:DocumentViewerSearchRibbonCommand> <dx:DocumentViewerParametersPanelToggleCommand> </dx:DocumentViewerParametersPanelToggleCommand> <dx:DocumentViewerDocumentMapToggleCommand> </dx:DocumentViewerDocumentMapToggleCommand> </Items> </cc1:DocumentViewerReportRibbonGroup> </Groups> </cc1:DocumentViewerHomeRibbonTab> </Tabs> </dx:ASPxRibbon>Codigo C#Metodo do evento OnInit="ASPxRibbon1_Init":///Evento do controle Ribbonprotected void ASPxRibbon1_Init(object sender, EventArgs e) { List<Formato_Arquivo_Grid_BD> oExtensoes = null; using (DB_Portal_Transparencia oBD = new DB_Portal_Transparencia()) { oExtensoes = SG_Configuracao_NG.Formato_Arquivo.Pesquisar_Grid(oBD, new Formato_Arquivo_BD()); } if(oExtensoes!=null && oExtensoes.Count > 0) { foreach (RibbonTab tab in ASPxRibbon1.Tabs) { RibbonGroup reportGroup = tab.Groups[1]; if (reportGroup == null) continue; RibbonItemBase reportGroup2 = reportGroup.Items[1]; foreach (var group2 in reportGroup2.Collection) { if (group2 is DocumentViewerSaveToDiskDropDownRibbonCommand) { DevExpress.XtraReports.Web.DocumentViewerSaveToDiskDropDownRibbonCommand DocumentViewerSaveToDiskDropDownRibbonCommand = group2 as DevExpress.XtraReports.Web.DocumentViewerSaveToDiskDropDownRibbonCommand; foreach (var item in DocumentViewerSaveToDiskDropDownRibbonCommand.Items) { Definir_Visibilidade(item as DocumentViewerRibbonDropDownButtonItemBase, oExtensoes); } } else if (group2 is DocumentViewerSaveToWindowDropDownRibbonCommand) { DevExpress.XtraReports.Web.DocumentViewerSaveToWindowDropDownRibbonCommand DocumentViewerSaveToWindowDropDownRibbonCommand = group2 as DevExpress.XtraReports.Web.DocumentViewerSaveToWindowDropDownRibbonCommand; foreach (var item in DocumentViewerSaveToWindowDropDownRibbonCommand.Items) { Definir_Visibilidade(item as DocumentViewerRibbonDropDownButtonItemBase, oExtensoes); } } } } //var showParametersPanelCommand = (RibbonToggleButtonItem)reportGroup.Items.FindByName("ShowParametersPanelToggleCommand"); //var showDocumentMapCommand = (RibbonToggleButtonItem)reportGroup.Items.FindByName("ShowDocumentMapToggleCommand"); } }///metodo que consulta a lista do banco e define a visibilidade do botao de exportacao.private DocumentViewerRibbonDropDownButtonItemBase Definir_Visibilidade(DocumentViewerRibbonDropDownButtonItemBase pItem, List<Formato_Arquivo_Grid_BD> pExtensoes) { DocumentViewerRibbonDropDownButtonItemBase obj = null; switch (pItem.GetType().Name) { case "RibbonPdfFormatCommand": obj = pItem as RibbonPdfFormatCommand; obj.Visible = pExtensoes.Exists(c => c.Sigla.ToUpper() == "PDF" && c.Exibir == true); break; case "RibbonXlsFormatCommand": obj = pItem as RibbonXlsFormatCommand; obj.Visible = pExtensoes.Exists(c => c.Sigla.ToUpper() == "XLS" && c.Exibir == true); break; case "RibbonXlsxFormatCommand": obj = pItem as RibbonXlsxFormatCommand; obj.Visible = pExtensoes.Exists(c => c.Sigla.ToUpper() == "XLSX" && c.Exibir == true); break; case "RibbonRtfFormatCommand": obj = pItem as RibbonRtfFormatCommand; obj.Visible = pExtensoes.Exists(c => c.Sigla.ToUpper() == "RTF" && c.Exibir == true); break; case "RibbonMhtFormatCommand": obj = pItem as RibbonMhtFormatCommand; obj.Visible = pExtensoes.Exists(c => c.Sigla.ToUpper() == "MHT" && c.Exibir == true); break; case "RibbonHtmlFormatCommand": obj = pItem as RibbonHtmlFormatCommand; obj.Visible = pExtensoes.Exists(c => c.Sigla.ToUpper() == "HTML" && c.Exibir == true); break; case "RibbonTextFormatCommand": obj = pItem as RibbonTextFormatCommand; obj.Visible = pExtensoes.Exists(c => c.Sigla.ToUpper() == "TEXT" && c.Exibir == true); break; case "RibbonCsvFormatCommand": obj = pItem as RibbonCsvFormatCommand; obj.Visible = pExtensoes.Exists(c => c.Sigla.ToUpper() == "CSV" && c.Exibir == true); break; case "RibbonPngFormatCommand": obj = pItem as RibbonPngFormatCommand; obj.Visible = pExtensoes.Exists(c => c.Sigla.ToUpper() == "IMAGE" && c.Exibir == true); break; default: break; } return obj; } Conheca os 4 Pilares da Produtividade Extraordinariahttps://youtu.be/X1vdtj3FlEkA decisao!https://youtu.be/X1vdtj3FlEk?t=1h4m41s *Faleceu ontem a pessoa que atrapalhava sua vida...* Um dia, quando os funcionarios chegaram para trabalhar,