How do you implement postback with a text box? What is postback and usestate?

How do you implement postback with a text box? What is
postback and usestate?

Question Posted / guest

How do you implement postback with a text box? What is postback and usestate?..

I mean like that.
<asp:TextBox id="txt1" runat="server" Autopostback="true" />
All right?

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