In mvc most of the people will face problem how to bind view model list while post request. If a partial control is binding with a list and want to preserve the user input with view model list, most common issue is id/name is same. If the Id/Name are different only MVC engine can bind it with the model. Please see the below example Build the view/partial view in the following way. By keeping a row counter means all items will have unique names. Suppose this partial view is coming inside a View Called MethodName.ASPX and is included inside the Main Page using html.beginform() [httpGet] { <%html.dropdownlist(model=>model.Test, new {onclick=Test(<%=model.Id%>);}); <.div id="dvPopulatePartialViewWithList"></.div> } Javascript function Test function Test(id) { $.ajax({ type: "Get", data: "Id=" + Id, url: '/MyController/GetPa...
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