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This article is a solution to resolve the Panel scroll bar not automatically back to the top after the ASP-click Trigger event, and for the page to trigger an event, the Panel scroll bar is back to the top, and the following work is pulled down every time, especially when choosing the TreeView, the problem is very headache, being This . the revelation of MaintainScrollPositionOnPostBack = true;
The principle is to save the position of the Panel scroll bar when clicked, and re-assign when the page trigger event finishes loading. Make sure the page is saved every time you click, including all the buttons and other click events.
Steps:
1. Scripts
2.body<body onclick= "Setpanelscroll ()" >
3. Assigning valuesfunction Viewobj () {document.getElementById (' Panel1 '). scrolltop = document.getElementById (' Hidden1 '). Value;} Window.onload = Viewobj;
ASP. NET page trigger event panel scroll bar height unchanged
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