/// <summary></summary>
/// <param name="element"></param>
/// <returns></returns>
public static string Parse(XmlElement element)
{
// <expression >
// <expression key="" value"" type="" prefix="and" >
// <expression key="" value"" type="" >
// </expression >
//
DataQueryExpression expression = new DataQueryExpression();
expression.LoadXml(element);
return(expression.ToString());
}
/// <summary></summary>
/// <param name="element"></param>
/// <returns></returns>
public void LoadXml(XmlElement element)
{
Key = element.GetAttribute("key");
Operation = string.IsNullOrEmpty(element.GetAttribute("operation")) ? "=" : element.GetAttribute("operation").Replace("!=", "<>");
Value = element.GetAttribute("value");
Type = element.GetAttribute("type");
Prefix = element.GetAttribute("prefix").ToUpper();
XmlNodeList nodes = element.ChildNodes;
DataQueryExpression subexpression = null;
foreach (XmlNode node in nodes)
{
subexpression = new DataQueryExpression();
subexpression.Parent = this;
subexpression.LoadXml((XmlElement)node);
Add(subexpression);
}
}
/// <summary></summary>
/// <param name="item"></param>
public void Remove(DataQueryExpression item)
{
list.Remove(item);
}
/// <summary></summary>
/// <param name="item"></param>
public void Add(DataQueryExpression item)
{
list.Add(item);
}