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Dear All,
I am new with this...

how to call service from javascript? ...

var isUserExists = data.length 0;
if(isUserExists)
alert("userExistsInDB");
else
// CALL MyDB_User_Create_Service

thanks

Hi Winanjaya.

At first you need to add service datasource on the page.
http://prntscr.com/3pshp6/direct

And then you can use following code:

precode

var isUserExists = data.length > 0;
if(isUserExists)
alert("userExistsInDB");
else
//Note you should replace "yourDatasourceService" with your datasource name.
yourDatasourceService.execute();

/code/pre

You also can pass additional parameters if you need inside this service execution if you need.

Regards.

perfect. just what I needed.

You are always welcome!

I am having problem. It says "Uncaught ReferenceError: restService1 is not defined" when i see pressing F12 debugger option this error is thrown up.

Please help asap. Thanks

Hi Shubham,

It means that you don't have this "restService1" service datasource on this page.

Please provide us screen shots of "data" tab of the page where you invoke this code. And the place where you have this JS code.

Regards.