title: Remove Negative Sign From Textbox
body: <p>Software Utilize C#, VS-2005</p>
  
  <p>How to Remove Nagative Sign From Textbox. my code is:</p>
  
  <pre><code>Private void button1_Click(object sender, EventArgs e)
  {
          decimal t1 = 0;
          decimal t2 = 0;
          decimal res = 0;
          t1 = Convert.ToDecimal(textBox1.Text);
          t2 = Convert.ToDecimal(textBox2.Text);
          res = t1 - t2;
          textBox3.Text = res.ToString();
   }
  </code></pre>
  
  <p>if t1 have value 12000 and t2 have value 20000.  so result is 12000-20000 = -8000</p>
  
  <p>I want to remove (-) sign from textbox. How can i do that?</p>