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System.FormatException: 'Cadeia de caracteres de entrada com formato incorreto.'


TiagoReis

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TiagoReis

Boas a todos, quando eu ponho um dos meus programas a executar aparece este erro, mas eu não o consigo entender.

System.FormatException: 'Cadeia de caracteres de entrada com formato incorrecto.'

This exception was originally thrown at this call stack:
    [External Code]
    WindowsFormsApplication3.Form1.button1_Click_1(object, System.EventArgs) in Form1.cs
    [External Code]
    WindowsFormsApplication3.Program.Main() in Program.cs

Segue abaixo parte do código.

Alguém me pode ajudar, por favor?

Cumprimentos,

double total = 0;
            double hst = 0;
            double totaldue = 0;

            foreach (ListViewItem item in listView1.Items)
            {
                total += Convert.ToDouble(item.SubItems[2].Text);
            }

            hst = total * 0.13;
            totaldue = hst + total;

            string hstDisplay = hst.ToString("c2");
            string totalDisplay = totaldue.ToString("c2");
            string amount = total.ToString("c2");
            
            textBox8.Text = amount;
            textBox9.Text = hstDisplay;
            textBox10.Text = totalDisplay;

            tabControl1.SelectTab("tabPage2");

 

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Sem mais informação - o log de erro deve ter bem mais informação do que o que metes ai - diria que é essa conversão para double que está a dar o problema.

10 REM Generation 48K!
20 INPUT "URL:", A$
30 IF A$(1 TO 4) = "HTTP" THEN PRINT "400 Bad Request": GOTO 50
40 PRINT "404 Not Found"
50 PRINT "./M6 @ Portugal a Programar."

 

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