Questioner. pls. the tab which is selected or opened should be active. If you want to know How much time the user active on your website, in this case, you can use JavaScript. Each HTML Anchor element inside the Tab Header is assigned a click event handler. The function takes a tab object as its argument and sets the tab as the active tab. Ask Question. Thanks in adavance. I've been playing around with a few ways of doing it. This API is used to set the active header based on the given index value. I dont want to use Tab index to do so, The problem is I hide/show few tab dynamically based on some setting. set_activeTab(tabControl): sets the active tab. how to set a selected tab as an active tab in tabcontainer. Please refer the below code snippet to set the selected Item Index during Initialization. The tabs that were selected in step 2 are still active. Answered Active Solved. i want to change active tab index property at runtime. set_activeTabIndex(intege r): functions takes an integer value starting from 0 to tab collection length – 1 as an argument and sets the tab’ index matching the integer value as the active tab. If the Hidden Field value is blank then the default tab is Selected (set as Active tab). Last Reply on Jul 30, 2012 10:48 AM By Mudassar. For example – you want to know when the user closes the Browser Tab and execute your code. help soon. i get this javascript error: "null is null or not an object line 15 (referring to the line where i call "set_activeTabIndex": i've looked all of the web and still no luck, any help wold be apreciated. When any Tab is clicked, the href attribute value is saved in the Hidden Field. I want to change the selected tab using javascript We can achieve your requirement using our existing property selectedItemIndex. If you are looking for the simplest solution in grouping content, have a look on the previous tabs demo. When user clicks on Tag[1], I call a javascript method, that I've set in the OnClientClick property of Tag[1]. The Tab navigation component is customizable in a variety of ways. I am binding the tabs (Tabs – My Form, Form, Admin etc) and pageviews dynamically in default.aspx page; When I click on the 1st tab I am viewing the page1 ( myform.aspx ) and selected tab index = 0; I am navigating to another page from myform.aspx to form.aspx page using asp.net hyperlink control. When user clicks on a non_active tab, I want to keep active tab as active if some criteria doesn't meet. Using that you only enabled the timer when the user is an active tab on your website. i'm trying to set a specific tab in an ajax tabcontainer. The gridview is inside an updatePanel. I've same but little different problem. Joined: Jul 30, 2012 06:53 AM ASP.Net AJAX TabContainer Set Active Tab Client side using JavaScript; ASP.Net AJAX TabContainer Set Active Tab Client side using JavaScript. 16518 Views 1 Replies 1 Answers bhavini. Requirement Suppose Tag[0] is active tab right now. TabContainer Active Tab using JavaScript Problem Hello I'm using the TabContainer and a bit of client-side code to store the active tab, so that when the user clicks on a command link in a gridview, for eample, 'Delete', they return to the current active tab. Thanks again Jafar, but I've tried passing in the parent and get the same result. This demo shows how to add custom Prev/Next buttons beside the Tab component and how to make page change obvious. there r 4 tabs in tabcontainer . In this scenario, the tab index changes & I can not set the focus using tab index. For reasons I don't want to get into right now, I've settled on using JavaScript to do this on the client-side. 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