static private string TeStCalculation(DbElement ele, DbAttribute att, DbQualifier qualifier)
{
// get Expression uda attribute
var userDefinedAttributeExp = DbAttribute.GetDbAttribute(":uExpTest");
var value = string.Empty;
try
{
// evaluate attribute from :uExpTest to :uResultTest
value = ele.EvaluateAsString(DbExpression.Parse(ele.GetAsString(userDefinedAttributeExp)));
}
catch (System.Exception)
{
value = "Default value";
}
// Result of UDA must be returned
return(value);
}