Here are some code snippets obtained using the browser's DevTools ( search for .ModalPopupBehavior.prototype.
And if you open it after a full postback it also centers fine. If you open it for a second time after a partial postback it centers fine. The ModalPopupBehavior on the other hand reacts to any click event inside TargetControlID control's element. My ModalPopupExtenders doesn't center correctly when you open them for the first time after a partial postack. Add ASP.NET Panel control and the content which. This is because the ModalPopupExtender control will show the content of the Panel control as a popup. Once you have added the ModalPopupExtender control you need an ASP.NET panel control. It should not be necessary to render the whole page on updates, like the AJAX UpdatePanel does.
If it was, it would not trigger the OnClientSelectedIndexChanging event, hence no postback on clicking a selected item. Click the Add Extender menu option and select ModalPopupExtender from Extender Wizard popup. Test Drives Schedule A Demo Documentation Center Webinars White Papers Product Manuals Request Pricing Data Sheets Case Studies Evoq Preferred Products. The user should be able to interact with the user controls. I have a gridview that is loaded inside a panel that is displayed using a ModalPopUpExtender. The RadListBox has an internal logic on item click to determine if the item was already selected. RdListView_Chart.DataSource = LoadCassetteForFoodChart(iResultID) ĭotnet-csharp dotnet-aspnet-general dotnet-entity-framework-core
Int iResultID = Convert.ToInt32(lboxTestedMachines.SelectedValue) ' I hope you have got How to enable/disable asp.net controls on textbox value change or typing text in Asp. I've tried just about everything, but the click/selection of a list item in the RadListBox immediately shows the Modal and I can't seem to get before/inbetween the Modal showing to do any type of selected item checking to see if its the same item as before, and if so, then to do nothing or issue a Hide on the Modal.Īnd here is my ASPX.CS code protected void lboxTestedMachines_SelectedIndexChanged(object sender, EventArgs e) The problem I'm having is if the same list item is selected again, the Modal popup shows again, but never goes away. The popup works brilliantly however when I reduce the size of the browser window instead of the popup displaying scrollbars when the popup it is too big for the screen, sections of the popup are not visible as they’re off screen. The Modal does Hide when the loading is completed. I have a ModalPopupExtender which shows a popup on click of a link button. I have a ModalPopupExtender tied to a Telerik RadListBox so that when an item is selected from the list box, I need a "Please Wait" message while the page behind loads the data into Telerik RadCharts.