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How to pass variable number of parameters from jsp page to the java controller


How to pass variable number of parameters from jsp page to the java controller

By : Auto_K
Date : November 17 2020, 11:55 AM
With these it helps The answer to my question is much simpler than I expected. All I have to do is just know how many parameters I will pass and their names. I don't have to specify it in the controller as @RequestParam("itemId") String itemId, @RequestParam("product1SkusCnt") etc.
Instead I should only pass a request as an argument:
code :


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How to conditionally pass parameters in Java to a method that takes a variable number of arguments?

How to conditionally pass parameters in Java to a method that takes a variable number of arguments?


By : Rajendra Patel
Date : March 29 2020, 07:55 AM
this will help I would suggest using the executeWithArray method: dynamically build up the array of parameters using an instance of java.util.ArrayList which you can then convert to an array using the toArray method. The code might look something like the following:
code :
ArrayList<Object> args = new ArrayList<Object>();
args.add(alphaP);
args.add(bravoP);
args.add(charlieP);
// Add other arguments here...

List<ResultClass> results = (List<ResultClass>) query.executeWithArray(args.toArray());
How to pass parameters to Codeigniter controller from view page

How to pass parameters to Codeigniter controller from view page


By : user3042954
Date : March 29 2020, 07:55 AM
wish help you to fix your issue Hi I need to pass variable parameters to codeigniter controller without click function any link from view page. I have no idea how to pass data to controller from view with out click anything. , You can using helper without any clicks.
Helper
code :
 //some_helper
 function abc($b)
 { 
   $a=$b-10;
   return $a;
 }
 $this->load->helper("some_helper");  //note that helper file name always should be postfixed by '_helper'

 abc(20);
How to pass parameters present in a jsp page to controller/view?

How to pass parameters present in a jsp page to controller/view?


By : lexart
Date : March 29 2020, 07:55 AM
this will help use ajax, when you click button,in js function you can get the the row parent which clicked by using jquery ,use jquery you can get everything you need in this row,the make them into object,pass to controller,
C - Pass variable number of command line arguments into method with variable number of parameters

C - Pass variable number of command line arguments into method with variable number of parameters


By : Anshuman Singh
Date : March 29 2020, 07:55 AM
I hope this helps you . What it is not possible to do (at least in K&R, ansi-c and c99 and barring implementation dependent tricks) is to append selected command-line arguments to some kind of argument list at run time and pass that to your function. Too bad, as that's the first thing that comes to mind.
That makes your problem one of figuring out what you can do. You could for instance call (the given varidac function as) FindFile(fname, argc, argv); every single time. It would be silly (really, very, very silly) to write code like that instead of just giving FindFile a fixed signature, but the given varargs version of FindFile could be written to manage that just fine.
How to pass a Func<T> with a variable number of parameters

How to pass a Func<T> with a variable number of parameters


By : Roy45
Date : March 29 2020, 07:55 AM
Any of those help The answer is don't. First of all, you are attempting to call a method that takes no parameters and returns some object. You can't just "make" a function that requires parameters this type, otherwise how else are you going to invoke it with the required parameters.
You're already creating lambdas, you'll need to close over the "parameters" you want that way you can effectively add additional parameters.
code :
// No arguments
var result = GetValue("Bob", () => { return "Bob Smith"; });

// 1 argument
var i = ...;
var result = GetValue("Joe", () => { return "Joe " + i.ToString(); });

// 2 arguments
var i = ...;
var e = ...;
var result = GetValue("Henry", () => { 
    return $"i: {i.ToString()}, e: {e.ToString()}"; 
});
public object GetValue<T>(string name, Delegate func, params object[] args) { 
    var result = func.DynamicInvoke(args);
}
var result = GetValue("Bob", new Func<object>(() => { return "Bob Smith"; }));

// 1 argument
var result = GetValue("Joe", new Func<T, object>((i) => { return "Joe " + i.ToString(); }), argI);

// 2 arguments
var result = GetValue("Henry", new Func<T1, T2, object>((i,e) => { 
    return $"i: {i.ToString()}, e: {e.ToString()}"; 
}), argI, argE);
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