I have searched everywhere, and I can't seem to find a solid example.
Is anyone doing this? Can anyone provide and example of calling a remote validation using the JQuery validation plugin through a WebMethod in an aspx page (Web Forms)?
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2 Answers
I think the reason that code gives you a bad taste is because writing json as strings is pretty smelly. One slight improvement would be to create a real JSON object and then use the JSON.stringify(...) function.
Create a variable with your json object, this gives you syntax checking at design time and run time
var customerInput = {"customerToAssignTo":$("#customerToAssignTo").val()};
var serializedCustomerInput = JSON.stringify(customerInput );
then you could replace the line
data: "{'customerToAssignTo':'" + $("#customerToAssignTo").val() + "'}"
with
data: serializedCustomerInput
you would need to include https://github.com/douglascrockford/JSON-js/blob/master/json2.js
more info:
http://msdn.microsoft.com/en-us/library/cc836459(VS.85).aspx - this is in the context of windows scripting but gives a good description of the function
Comments
Just as I posted this I found a way that works, but I really don't like it. It is very cumbersome and requires constructing your own Json, which doesn't seem like a good solution.
var validated = $("#aspnetForm").validate(
{
rules:
{
customersToReassign:
{
required: true
},
customerToAssignTo:
{
required: true,
remote:
{
url: window.location + "/IsValidCustomer",
type: "POST",
contentType: "application/json; charset=utf-8",
dataType: "json",
data: "{'customerToAssignTo':'" + $("#customerToAssignTo").val() + "'}"
}
}
},