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Work in a WEB application . aspx that saves data in the database. The problem is that after recording this data and displaying a successful information to the user, if I do a Reload on the page the browser will send the information again to the server that will write in the database. How can I avoid that?
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you can check if it is a postback, if positive you can redirect to another page
if(IsPostBack) {
Response.Redirect("/");
} else {
//Salva dados.
}
Take a look : http://msdn.microsoft.com/pt-br/library/system.web.ui.page.ispostback%28v=vs.110%29.aspx
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@Paulohdsousa, thank you for your attention but that doesn’t solve my problem. I will try to be clearer, the message above appears when I press F5 on the keyboard after SUBMIT to the SERVER through the protected void Salvar_click(Object Sender, Eventargs and){//commands }, that is, this event is triggered the first time when I click on it, and the second time when I press F5 and then the REPEAT button of the above message, if I click CANCEL happens what I want, that is, the screen is displayed without sending the data again to the server.
– dil_oliveira