private void BtnCalcular_Click(object sender, EventArgs e)
{
if (TxtCant.Text.Trim().Length == 0)
{
MessageBox.Show("Ingrese un dato");
TxtCant.Focus();
return;
}
if (TxtPrecu.Text.Trim().Length == 0)
{
MessageBox.Show("Ingrese un dato");
TxtPrecu.Focus();
return;
}
double cant, precu, totalp;
cant = Convert.ToDouble(TxtCant.Text);
precu = Convert.ToDouble(TxtPrecu.Text);
totalp = cant * precu;
TxtTotalp.Text = totalp.ToString();
}
private void button2_Click(object sender, EventArgs e)
{
if (TxtDescrip.Text.Trim().Length == 0)
{
MessageBox.Show("INGRESE UN DATO");
TxtDescrip.Focus();
return;
}
if (TxtCant.Text.Trim().Length == 0)
{
MessageBox.Show("INGRESE UN DATO");
TxtCant.Focus();
return;
}
if (TxtPrecu.Text.Trim().Length == 0)
{
MessageBox.Show("INGRESE UN DATO");
TxtPrecu.Focus();
return;
}
cant = Convert.ToDouble(TxtCant.Text);
precu = Convert.ToDouble(TxtPrecu.Text);
LstMostrar.Items.Add(TxtDescrip.Text.Trim());
LstCatn.Items.Add(TxtCant.Text.Trim());
LstPrecu.Items.Add(TxtPrecu.Text.Trim());
LstTotal.Items.Add(cant * precu);
TxtCant.Clear();
TxtDescrip.Clear();
TxtPrecu.Clear();
TxtDescrip.Focus();
}
private void BtnLimpiar_Click(object sender, EventArgs e)
{
TxtCant.Clear();
TxtPrecu.Clear();
TxtTotalp.Clear();
TxtCant.Focus();
}
private void BtnCalcular_Click(object sender, EventArgs e)
{
if (TxtCant.Text.Trim().Length == 0)
{
MessageBox.Show("Ingrese los datos");
TxtCant.Focus();
return;
}
if (TxtPrecu.Text.Trim().Length == 0)
{
MessageBox.Show("Ingrese los datos");
TxtPrecu.Focus();
return;
}
double cant, precu, desc, totalp, tp;
cant = Convert.ToDouble(TxtCant.Text.Trim());
precu = Convert.ToDouble(TxtPrecu.Text.Trim());
totalp = cant * precu;
if (cant >= 3)
{
desc = totalp * 0.2;
}
else
{
desc = 0;
}
tp = totalp - desc;
TxtdDesc.Text = TxtdDesc.Text + desc;
TxtTotalp.Text = TxtTotalp.Text + tp;
}
