sum of textbox

Question

i have textbox1 and button1 i enter textbox1 value is 12 when i click button textbox1 value same value shown in textbox2 then after button click again i enter in textbox3 value is 15 textbox4 value is = 5 my question is i want sum(textbox5 ) = textbox2 + textbox3+textbox4 iam trying but error show attemted to divided by zero. plz help us

Ramesh Maruthi · Answer

private void Button1_Click(System.Object sender System.EventArgs e) { int value1 = 0; int value2 = 0; int value 3 =0; int result = 0; if (int.TryParse(TextBox2.Text out value1) & int.TryParse(TextBox3.Text out value2) & int.TryParse(TextBox4.Text out value3)) { result = value1 + value2 +value3; TextBox3.Text = result.ToString(); } }