private void bunifuThinButton21_Click(object sender, EventArgs e) { if (richTextBox1.Text.Length == 0) { MessageBox.Show("Enter A Notice First"); } else { string result = emp.postNotice(this.Emp_Id, richTextBox1.Text); MessageBox.Show(result); richTextBox2.Text = richTextBox1.Text; richTextBox1.Text = ""; } }