How to store data from two different webforms in teo different tables using single button in ASP.NET C#?

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C#

ASP.NET

Suppose I have 2 webforms i.e. webform1 and webform2. Two tables in the database table1 and table2. I want the data to be stored from webform1 to table1 only when user click on submit button on webform2. Because I don't want data to be stored in table1 if user leaves before submitting webform2 as they both are connected.

What I have tried:

I tried using both insert query on submit button but it didn't work as thete is no way to distinguish textbox1 of webform2 to textbox1 of webform2