The function takes a tab object as its argument and sets the tab as the active tab. i want to change active tab index property at runtime. Using that you only enabled the timer when the user is an active tab on your website. If you want to know How much time the user active on your website, in this case, you can use JavaScript. Please refer the below code snippet to set the selected Item Index during Initialization. I've been playing around with a few ways of doing it. how to set a selected tab as an active tab in tabcontainer. Each HTML Anchor element inside the Tab Header is assigned a click event handler. Ask Question. This API is used to set the active header based on the given index value. When user clicks on a non_active tab, I want to keep active tab as active if some criteria doesn't meet. If the Hidden Field value is blank then the default tab is Selected (set as Active tab). 16518 Views 1 Replies 1 Answers bhavini. I dont want to use Tab index to do so, The problem is I hide/show few tab dynamically based on some setting. The tabs that were selected in step 2 are still active. 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. the tab which is selected or opened should be active. The Tab navigation component is customizable in a variety of ways. Thanks in adavance. ASP.Net AJAX TabContainer Set Active Tab Client side using JavaScript; ASP.Net AJAX TabContainer Set Active Tab Client side using JavaScript. When user clicks on Tag[1], I call a javascript method, that I've set in the OnClientClick property of Tag[1]. Hi All, I want to set the focus on a specific tab in an ajaxToolkit:TabContainer using javascript. 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. Suppose Tag[0] is active tab right now. help soon. Answered Active Solved. I've same but little different problem. This demo shows how to add custom Prev/Next buttons beside the Tab component and how to make page change obvious. i'm trying to set a specific tab in an ajax tabcontainer. 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. pls. there r 4 tabs in tabcontainer . 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. For example – you want to know when the user closes the Browser Tab and execute your code. Requirement 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. Last Reply on Jul 30, 2012 10:48 AM By Mudassar. Questioner. In this scenario, the tab index changes & I can not set the focus using tab index. The gridview is inside an updatePanel. I can find the tabcontainer control OK but the methods aren't available when I call them form an event raised by a dynamically loaded user control. 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