How to trigger dynamic link buttons in modalpopupExtender

Question

Hi I have created a dynamic link button in modalpopupextender. But when i click on the link button file in modalpopupExtender it is not getting downloaded. It is throwing an error Unable to evaluate expression because the code is optimized or a native frame is on top of the call stack..Can any one please help me out Regards Karthik.S

karthik saraswatula · Answer

public void Page_Init(object sender EventArgs e) { if (IsPostBack == true) { userData = (UserDetails)Session[USERDATA]; DynamicLinkButtons(sender e); } } public void DynamicLinkButtons(object sender EventArgs e) { lstPhyInvHeader = new List (); lstPhyDetails = new List (); lstEqpDtls = new List (); GetPhysicalInventoryDetailList(); GetEqpDetailsList(); Session[lstEqpDtls] = lstEqpDtls; for (int k = 0; k { LinkButton lnks = new LinkButton(); lnks.ID = lnk + k; lnks.Text = lstEqpDtls[k].IMG_PATH; lnks.CommandName = lnks.Text; lnks.Click += new EventHandler(Clicked); Img.Controls.Add(lnks); k++; } } Below is my gridview linkbutton click event protected void lnkGenerateNwFile_Click(object sender EventArgs e) { lstPhyInvHeader = new List (); lstPhyDetails = new List (); lstEqpDtls = new List (); GetPhysicalInventoryDetailList(); GetEqpDetailsList(); int Total_Rows = GvPhyInventoryReview.Rows.Count; LinkButton lb = sender as LinkButton; string eqpId = string.Empty; GridViewRow row = (GridViewRow)lb.NamingContainer; int i = Convert.ToInt32(row.RowIndex); Label lblEqpId = (Label)GvPhyInventoryReview.Rows[i].FindControl(lblEqpId); eqpId = lblEqpId.Text; if (lstPhyDetails[i].CHANGED_TYPE == ) { HSC_HOSP_EQUIPMENT Equipdetails = new HSC_HOSP_EQUIPMENT(); PHYSICAL_INVENTORY_DETAILS PhyInvDetails = new PHYSICAL_INVENTORY_DETAILS(); log4net.ThreadContext.Properties[METHODNAME] = MethodBase.GetCurrentMethod().Name; using (wcfService = new HSCServiceClient()) { try { PhyInvDetails = new PHYSICAL_INVENTORY_DETAILS(); Equipdetails = new HSC_HOSP_EQUIPMENT(); PhyInvDetails.EQP_ID = lblEqpId.Text; Equipdetails.EQP_ID = lblEqpId.Text; if (log.IsDebugEnabled) { log.Debug(Before Calling Bind SavePhyInvReview: ); } retValue = wcfService.GetImagesFromEqpMaster(ref lstEqpDtls eqpId userData); Session[lstEqpDtls] = lstEqpDtls; for (int k = 0; k { string xyz = lstEqpDtls[k].IMG_PATH; var pqr = xyz.Split(''); for (int Z = 0; Z { LinkButton lnks = new LinkButton(); lnks.ID = lnk + Z; lnks.Text = lstEqpDtls[Z].IMG_PATH; lnks.CommandName = lnks.Text; lnks.CommandArgument = pqr[Z]; Img.Controls.Add(lnks); lnks.Click += new EventHandler(Clicked); } } if (log.IsDebugEnabled) { log.Debug(After calling SavePhyInvReview with Status:  + retValue); } } catch (Exception ex) { if (log.IsFatalEnabled) { log.Fatal(Getting SavePhyInvReview Details failed with exception :  + ex.Message +  & status:  + retValue); } } finally { if (wcfService.State == CommunicationState.Faulted) { wcfService.Abort(); } else { wcfService.Close(); } } } } else if (lstPhyDetails[i].CHANGED_TYPE != ) { HSC_HOSP_EQUIPMENT Equipdetails = new HSC_HOSP_EQUIPMENT(); PHYSICAL_INVENTORY_DETAILS PhyInvDetails = new PHYSICAL_INVENTORY_DETAILS(); log4net.ThreadContext.Properties[METHODNAME] = MethodBase.GetCurrentMethod().Name; using (wcfService = new HSCServiceClient()) { try { PhyInvDetails = new PHYSICAL_INVENTORY_DETAILS(); Equipdetails = new HSC_HOSP_EQUIPMENT(); PhyInvDetails.EQP_ID = lblEqpId.Text; Equipdetails.EQP_ID = lblEqpId.Text; if (log.IsDebugEnabled) { log.Debug(Before Calling Bind SavePhyInvReview: ); } retValue = wcfService.GetImagesFromPhyInvDetails(ref lstPhyDetails eqpId userData); if (log.IsDebugEnabled) { log.Debug(After calling SavePhyInvReview with Status:  + retValue); } } catch (Exception ex) { if (log.IsFatalEnabled) { log.Fatal(Getting SavePhyInvReview Details failed with exception :  + ex.Message +  & status:  + retValue); } } finally { if (wcfService.State == CommunicationState.Faulted) { wcfService.Abort(); } else { wcfService.Close(); } } } } this.ModalPopupExtender1.Show(); }

karthik saraswatula · Answer

The file name does not contain any spaces..I have kept grid ID in trigger even though am getting same error.File is not getting downloaded.

Manas Mohapatra · Answer

Hi Make sure that file name should not contain any space. If it doesn't resolve the problem please follow below link it might help you: http://stackoverflow.com/questions/13564168/unable-to-evaluate-expression-because-the-code-is-optimized-or-a-native-frame-is

karthik saraswatula · Answer

protected void Clicked(object sender EventArgs e) { LinkButton lnk = (LinkButton)sender; string path = lnk.CommandName; string file=Server.MapPath(~/images/Eqp/ + path); try { Response.Clear(); Response.AddHeader(Content-Disposition attachment; filename= + file); Response.ContentType = application/octet-stream; Response.TransmitFile(file); Response.End(); } catch (System.Threading.ThreadAbortException IException) { } catch (Exception ex) { } }

Manas Mohapatra · Answer

Please provide code what happens when you click on link button. It will be better to understand the problem.