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i want to multiply the textbox value

i have two text box

project cost 1000

tax 5% from project cost

for that 5% tax i want to use chekbox

when i click the checkbox in tax field 5% from project cost to be calculate.

please help me

send the design and code

help me

2 Replies

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jit sun14y ago
hi,

just try to solve write the code yourself.

here is the code and do not forget to mark the accepted answer.

if (checkBox1.Checked)

                textBox2.Text = Convert.ToString(1.05 * Convert.ToInt16(textBox1.Text));
            else
                textBox2.Text = textBox1.Text;

sun
0
Vulpes14y ago
Try:

private void checkBox1_CheckedChanged(object sender, EventArgs e)
{
if (checkBox1.Checked)
{
decimal cost = decimal.Parse(textBox1.Text);
decimal tax = cost / 20;
textBox2.Text = tax.ToString();
}
else
{
textBox2.Clear();
}
}
0