how to use javascript code in between C# Code?

Question

How to use return value of javacript alert function when we use in C# by RegisterStartupScript. This is my code: string scriptString =   + confirm(are u sure to book this?); ; Page.RegisterStartupScript(ScriptString  scriptString ); I want to use return value of that alert i.e i user click yes iwant to do something. if No some other thing can i use that return value:if yes how to use that?Is ther modifications in the to scriptString use the return value?

savan gandhi · Answer

First you need to find whether the coding after determining yes/no will be placed in javascript or c#. If in javascript then you need to emit other code block for that.