This tutorial will teach you how to make a + calculator in C#.net step by step.
private void txtone_Click(object sender, EventArgs e) { txtans.Text = txtans.Text + txtone.Text; } private void txttwo_Click(object sender, EventArgs e) { txtans.Text = txtans.Text + txttwo.Text; } private void txtthree_Click(object sender, EventArgs e) { txtans.Text = txtans.Text + txtthree.Text; } private void txtfour_Click(object sender, EventArgs e) { txtans.Text = txtans.Text + txtfour.Text; } private void txtfive_Click(object sender, EventArgs e) { txtans.Text = txtans.Text + txtfive.Text; } private void txtsix_Click(object sender, EventArgs e) { txtans.Text = txtans.Text + txtsix.Text; } private void txtseven_Click(object sender, EventArgs e) { txtans.Text = txtans.Text + txtseven.Text; } private void txteight_Click(object sender, EventArgs e) { txtans.Text = txtans.Text + txteight.Text; } private void txtnine_Click(object sender, EventArgs e) { txtans.Text = txtans.Text + txtnine.Text; } private void txtzero_Click(object sender, EventArgs e) { txtans.Text = txtans.Text + txtzero.Text; } private void txtdot_Click(object sender, EventArgs e) { txtans.Text = txtans.Text + txtdot.Text; } double sum1 = 0; double sum2 = 0; private void txtequl_Click(object sender, EventArgs e) { sum2 = sum1 + double.Parse(txtans.Text); txtans.Text = sum2.ToString(); sum1 = 0; } private void txtplus_Click(object sender, EventArgs e) { sum1 = sum1 + double.Parse(txtans.Text); txtans.Clear(); } private void txtClear_Click(object sender, EventArgs e) { txtans.Clear(); }
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