how can i get entered textboxes text of dynamically generated textboxes

It depends on where you are creating the controls. Simple solution which I ever know : Create controls inside Page_PreInit Event.

Page_PreInit event will render your controls easily and store the ViewState of your controls.
Then you can easily find the controls created dynamically using the following code:

TextBox TextBox1= (TextBox)Page.FindControl("TextBox");

If you need little more help or guideline while creating the controls then refer the links for similar articles:

• Dynamically Created Controls in ASP.NET[^]
• Working with Dynamically Created Controls[^]
• Dynamically Created Controls in ASP.NET[^]
• Creating ASP.NET Controls Dynamically[^]
• Also check HOW TO: Dynamically Create Controls in ASP.NET with Visual Basic .NET[^]

--Amit