Can you call a JavaScript function from C#?

Can you call a JavaScript function from C#?

You can expose C# methods on codebehind pages to be callable via JavaScript by using the ScriptMethod attribute. You cannot call JavaScript from a CodeBehind – that code exists solely on the client.

Can a function return a string JavaScript?

To return a string from a JavaScript function, use the return statement in JavaScript.

Can JavaScript function return value?

JavaScript passes a value from a function back to the code that called it by using the return statement. The value to be returned is specified in the return. That value can be a constant value, a variable, or a calculation where the result of the calculation is returned.

Can you use JavaScript and C# together?

If you want, you can place JavaScript code directly inside your C# code by calling the “Interop. ExecuteJavaScript” method. Such JavaScript code is copied “as is” when the project is compiled. IMPORTANT: creating JavaScript code by concatenating strings such as in “alert(” + messageToDisplay + “)” or by using String.

How can call JavaScript function from server-side in ASP NET?

Calling Server Side Function From JavaScript In ASP.NET

1. Server Code (.cs file) In the following code we create a method named “Name” and his return type is string.
2. [WebMethod]
3. Client Code( .aspx code)
4. ScriptManager Control.
5. Button Control.
6. OnClientClick Method.

How do you call a return function in JavaScript?

Call a JavaScript function with return value This function can be called using the same method as any other function. By just calling it the same way, you will simply ignore the return value, and move on. If you need to capture the return value from the function, then you can assign it’s result to a variable.

Is C# better than JavaScript?

C# runs . NET framework, and it is best for making Desktop Application while Javascript runs in a browser, so for making games and quiz other application, JavaScript is better. C# is a compiled programming language.

How do I call a JavaScript function from server?

How do I call Ajax function behind code in C#?

Step 1: Create an ajax function in an . aspx page. Use one . aspx page with the following code….The ajax function has a few properties, let’s explain a few of them.

1. type: This is nothing but a request type.
2. URL: This is nothing but the location of a C# function.
3. data-type: This defines in which form the data will pass.