/// <summary>
/// 设置Xmldoc的内容为strInnerXml
/// </summary>
/// <param name="Xmldoc"></param>
/// <param name="strInnerXml">为空时初始化Xmldoc</param>
protected void SetInnerXml(XmlDataDocument Xmldoc, string strInnerXml)
{
if (strInnerXml == "")
{
strInnerXml = @"<variables></variables>";
}
if (Xmldoc.HasChildNodes)
{
Xmldoc.RemoveAll();
}
Xmldoc.InnerXml = strInnerXml;
}