/C#/Come controllare se textbox è vuota c#

Come controllare se textbox è vuota c#

  private void button1_Click(object sender, EventArgs e)
        {
            if (CheckText(textBox1, textBox2))
            {
                MessageBox.Show("Compilare tutti i campi obbligatori");
            }

            else
            {
                // il resto del tuo codice qui
            }
        }

Source: social.msdn.microsoft.com

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