// ...::: INICIO VALIDAÇÕES :::...
 private void txtEMail_Validating(object sender, System.ComponentModel.CancelEventArgs e)
 {
     if (!ValidationData.CreateInstance.ValidaEMail(txtEMail.Text))
     {
         ErrPrvdrContato.SetError(txtEMail, ValidationsMessages.VALIDA_EMAIL);
     }
     else
     {
         ErrPrvdrContato.SetError(txtEMail, string.Empty);
     }
 }
 private void txtNro_Validating(object sender, System.ComponentModel.CancelEventArgs e)
 {
     if (!ValidationData.CreateInstance.ValidaAceiteSomenteNumeros(txtNro.Text))
     {
         ErrPrvdrContato.SetError(txtNro, ValidationsMessages.VALIDA_NUMERO);
         tlstrpActionMenuBtnConfirm.Enabled = false;
     }
     else
     {
         ErrPrvdrContato.SetError(txtNro, string.Empty);
         tlstrpActionMenuBtnConfirm.Enabled = true;
     }
 }
        private void tlstrpActionMenuBtnConfirm_Click(object sender, System.EventArgs e)
        {
            if (txtddd.Text == string.Empty)
            {
                ErrPrvdrContato.SetError(txtddd, ValidationsMessages.VALIDA_CAMPO_VAZIO);
                tlstrpActionMenuBtnConfirm.Enabled = false;
                tlstrpLblError.Visible             = true;
                txtddd.Focus();
                return;
            }

            if (txtNro.Text == string.Empty)
            {
                ErrPrvdrContato.SetError(txtNro, ValidationsMessages.VALIDA_CAMPO_VAZIO);
                tlstrpActionMenuBtnConfirm.Enabled = false;
                tlstrpLblError.Visible             = true;
                txtNro.Focus();
                return;
            }

            ExecuteModifyContato();
            this.Close();
        }
 private void txtNro_KeyPress(object sender, KeyPressEventArgs e)
 {
     ErrPrvdrContato.SetError(txtNro, string.Empty);
     tlstrpActionMenuBtnConfirm.Enabled = true;
     tlstrpLblError.Visible             = false;
 }