How to create the XML file from the textboxs.

I want to create the XML file from the textbox(User will give the value) Based on the given value in textbox, the XML should create.And I want to store the multiple value to textbox.

 

   

 

 

 

 

 

 

 

I have like this textboxes and and Button. I will enter multiple values for each textbox and It should save in XML file. Please Anyone can send the Code for it in C# Language?