C#

Member 3499052 wrote:

How can i calculate this text box.
TextBox1.Text = "1+2+3";
to giv me int total = 6;

<br />
int i = 1+2+3;<br />
TextBox1.Text = i.ToString();<br />

Member 3499052 wrote:

textbox.Text = 1+3+4+5+6

<br />
int i = 1+3+4+5+6; // you can calculate here<br />
textbox.Text =i.ToString(); // here you can convert i to string 

Member 3499052 wrote:

int i = Convert.ToInt32(TextBox1.Text);
Label1.Text = i.ToString();

ExpressionEval eval = new ExpressionEval(txtFunction.Text);
object output = eval.Evaluate();
if (output != null)
{
  // You have your answer. Do what you want with it.
}