/// <summary>
/// Changes the type (with extended handling for booleans and empty strings).
/// </summary>
/// <param name="value">The value.</param>
/// <param name="tgtType">Type of the TGT.</param>
/// <param name="culture">The culture.</param>
/// <returns></returns>
public static object ChangeTypeExtended(object value, Type tgtType, CultureInfo culture = null)
{
if (tgtType == null)
{
return(value);
}
object tgtValue = null;
if ((tgtType == typeof(bool) || tgtType == typeof(bool?)) && value is string)
{
// Special handling for Boolean
string strValue = (value as string).Trim().ToLower();
if (strValue == "1" || strValue == "true" || strValue == "yes" || strValue == "y")
{
tgtValue = true;
}
else
{
tgtValue = false;
}
}
else if (tgtType != typeof(string) && string.IsNullOrWhiteSpace(value.ToStringOrEmpty()))
{
// special handling for whitespace strings, for non string types
tgtValue = Activator.CreateInstance(tgtType);
}
else
{
tgtValue = ConvertExtensions.ChangeType(value, tgtType, culture);
}
return(tgtValue);
}
/// <summary>
/// Gets the attribute value.
/// </summary>
/// <param name="element">The element.</param>
/// <param name="name">The name.</param>
/// <param name="defaultValue">The default Value.</param>
/// <returns></returns>
public static T GetAttributeValue <T>(this XElement element, string name, T defaultValue = default(T))
{
XAttribute xAttribute = element.Attribute(XName.Get(name));
if (xAttribute == null)
{
return(defaultValue);
}
if (typeof(T) == typeof(bool))
{
object objvalue;
bool boolValue;
Boolean.TryParse(xAttribute.Value.ToLower(), out boolValue);
objvalue = boolValue;
return((T)objvalue);
//object value = XmlConvert.ToBoolean(xAttribute.Value);
//return (T)value;
}
return(ConvertExtensions.ConvertTo <T>(xAttribute.Value));
}
