Databases
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    <p>I had a similar problem inside an HtmlHelper; I wanted to generate links that linked backed to the current page, with a small adjustment in parameters (think incrementing the page number). So if I had URL /Item/?sort=Name&amp;page=0, I wanted to be able to create links to the same page, but just change the page parameter, and have the sort parameter automatically included (ie /Item/?sort=Name&amp;page=1).</p> <p>My solution was this (for use in an HtmlHelper extension method, but since you can access the same data almost anywhere in MVC, you can adapt it easily to your uses):</p> <pre><code>private static RouteValueDictionary CreateRouteToCurrentPage(HtmlHelper html) { RouteValueDictionary routeValues = new RouteValueDictionary(html.ViewContext.RouteData.Values); NameValueCollection queryString = html.ViewContext.HttpContext.Request.QueryString; foreach (string key in queryString.Cast&lt;string&gt;()) { routeValues[key] = queryString[key]; } return routeValues; } </code></pre> <p>What the method does is take the RouteValueDictionary for the current request and create a copy of it. Then it adds each of the query parameters found in the query string to this route. It does this because, for some reason, the current request's RouteValueDictionary does not contain them (you'd think it would, but it doesn't).</p> <p>You can then take the resultant dictionary, modify only a part of it, for example:</p> <pre><code>routeValues["page"] = 2; </code></pre> <p>and then give that dictionary to the out-of-the-box HtmlHelper methods for them to generate you a URL/etc.</p>
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    1. POASP.Net MVC Keeping action parameters between postbacks
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    1. USRobert Harvey
    1. USDaniel Chambers
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    1. COthe only real solution to the question, should've been accepted.
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      1. USdaniel
    2. COAlthough I can't see any other way of doing this, all that collection copying doesn't look very pretty.
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      1. USMartin Brown
 

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Guidance
A row detail

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.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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