json data not show in table when click button jquery

I have url www.DevuEgypt.com/api/employees i need to display FirstName,Id,Salary in table by click button using jquery
when click button not give me any result and give me two message
I try more time but it give me error
submit handler has fired this is normal to check
error error not found this message show to me

my code as below

@{
Layout = null;
}
"viewport" content="width=device-width" />
Index
"~/Scripts/jquery-1.10.2.js">
"button" value="GetData" id="btn" />
"myData">