How to restrict insert value for Jmeter?

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Ajax

Hi,

I am developing ASP.NET MVC application with C#. My QA team doing automation testing using JMeter but the issue is they can able to inject value from jmeter. That values are stored in the database. How to restrict?

$.ajax({
type: "POST",
data: {id:"1", value: "some value here"},
url: "../../Controller/Action",
success: function (data) {
}
});