private void ClearFields()
{
ProcessButton.Text = "Add";
txtFieldId.Text = string.Empty;
txtFieldLableText.Text = string.Empty;
txtFieldValues.Text = string.Empty;
chkIsDisplay.Checked = true;
txtSortId.Text = string.Empty;
ddlFieldType.SelectedIndex = 0;
ProcessButton.Visible = true;
btnUpdate.Visible = false;
}