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การใช้คำสั่ง หรือรูปแบบคำสั่ง Convert.ToInt32 ทำไมถึง error |
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เอา Code กับรูปมาดูหน่อยครับ
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| Date :
2012-05-24 17:00:12 |
By :
mr.win |
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| Date :
2012-05-24 17:05:01 |
By :
Nan Tuesday |
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Code (C#)
private void buttonCalculate_Click(object sender, EventArgs e)
{
double price = Convert.ToDouble(textPrice.Text);
int quantity = Convert.ToInt32(textQuantity.Text);
double total = price * quantity;
textTotal.Text = Convert.ToString(total);
}
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| Date :
2012-05-24 17:05:45 |
By :
Nan Tuesday |
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Code (C#)
textTotal.Text = (string)total;
or
Code (C#)
textTotal.Text = total.ToString();
ลองแบบนี้ดูครับ
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| Date :
2012-05-24 17:20:00 |
By :
mr.win |
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แล้ว .ToDouble , .ToInt32 ล่ะคะ
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| Date :
2012-05-24 17:32:24 |
By :
Nan Tuesday |
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ได้แล้วค่ะ ขอบคุณ คุณ mr.win มากค่ะ
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| Date :
2012-05-24 17:40:36 |
By :
Nan Tuesday |
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ตกลงใช้แบบไหนครับ
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| Date :
2012-05-24 17:45:03 |
By :
mr.win |
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ใช้แบบที่สองค่ะ
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| Date :
2012-05-24 18:04:51 |
By :
Nan Tuesday |
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 Load balance : Server 03
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