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POHow do I pass a Dictionary as a parameter to an ActionResult method from jQuery/Ajax?
 

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  1. POHow do I pass a Dictionary as a parameter to an ActionResult method from jQuery/Ajax?
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    <p>I'm using jQuery to make an Ajax call using an Http Post in ASP.NET MVC. I would like to be able to pass a Dictionary of values.</p> <p>The closest thing I could think of was to pass in a multi-dimensional array of strings, but the result that actually gets passed to the ActionResult method is a single dimensional string array containing a string concatenation of the "key/value" pair.</p> <p>For instance the first item in the below "values" array contains the below value:</p> <pre><code>"id,200" </code></pre> <p>Here's an example of my ActionResult method:</p> <pre><code>public ActionResult AddItems(string[] values) { // do something } </code></pre> <p>Here's an example of how I'm calling the method from jQuery:</p> <pre><code>$.post("/Controller/AddItems", { values: [ ["id", "200"], ["FirstName", "Chris"], ["DynamicItem1", "Some Value"], ["DynamicItem2", "Some Other Value"] ] }, function(data) { }, "json"); </code></pre> <p>Does anyone know how to pass a Dictionary object from jQuery to the ActionResult method instead of an Array?</p> <p>I would really like to define my ActionResult like this:</p> <pre><code>public ActionResult AddItems(Dictionary&lt;string, object&gt; values) { // do something } </code></pre> <p>Any suggestions?</p> <p><strong>UPDATE:</strong> I tried passing in a comma within the value and it basically just makes it impossible to actually parse the key/value pair using string parsing.</p> <p>Pass this:</p> <pre><code>values: [ ["id", "200,300"], ["FirstName", "Chris"] ] </code></pre> <p>results in this:</p> <pre><code>values[0] = "id,200,300"; values[1] = "FirstName,Chris"; </code></pre>
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    1. USChris Pietschmann
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      1. POHow do I pass a Dictionary as a parameter to an ActionResult method from jQuery/Ajax?
      1. USChris Pietschmann
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    1. COI don't think there is a way to do that.I may be wrong, but it will be trivial to parse the data passed into as a string array, and create the dictionary yourself inside the AddItems method.
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      1. POHow do I pass a Dictionary as a parameter to an ActionResult method from jQuery/Ajax?
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    2. CONot sure what parsing issues would be caused by any commas within the values.
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      1. POHow do I pass a Dictionary as a parameter to an ActionResult method from jQuery/Ajax?
      1. USChris Pietschmann
    3. COAt last I figured it out, thanks to all who made suggestions! I added my final solution as an answer below. I'll mark it as the Correct Answer as soon as SO lets me. Thanks everyone!
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      1. USChris Pietschmann
 

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