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POA global variable like cookie which retains value after postback, but it should save different value for different instances (tab/window)
 

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    <p>This is an MVC3 web application. In the <code>_Layout.cshtml</code> shared view, there is a left-nav tree for loading pages on the right of the left-nav. On every tree list item click, it will refresh the page to load the appropriate page with the same Layout view.</p> <p>In this _Layout.cshtml, there is a <code>Select Category</code> link and an empty div (<code>targetDiv</code>) below the tree. Select Category link will open a jQuery UI modal dialog with a webgrid and shows all the 'categories'. On clicking on any 'category' link in the table, the dialog will close and targetDiv will be reloaded by AJAX, so that a webgrid inside targetDiv populates all the 'books' in this 'category'.</p> <p>And if an user clicks on any left-nav item, the whole page reloads. So I need to retain the 'books' list of the selected 'categories'. For this, I save a cookie (CategoryId) when a 'category' is selected in modal dialog. On page reload (document ready) I'm using this cookie in _Layout page which again populates all the 'books' in this 'category'.</p> <p>This is working fine, but the new requirement is to allow working on multiple 'Categories'. If I select 'Category 1' in one tab of a browser and get all books by this category, in the next tab (another instance of same app), I should be able to work on a different 'Category' and so different collection of books. In this case, I cannot use cookie because cookie is shared across all the tabs.</p> <p>How will I set different 'Categories' on different instances (browser tabs/window)?</p>
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    1. USVipin Hari
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Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

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