private static IEntityPropertyDefinition GetFirstEntityProperty(
IEntityType entityType)
{
// Simple types are non business types/ non navigation properties
IEnumerable <IEntityPropertyDefinition> simpleTypeProperties =
entityType.Properties.Where(p => p.PropertyType is ISimpleType);
// Find the first string property, or the first one that can
// be represented as a string
IEntityPropertyDefinition defaultSummaryProperty =
simpleTypeProperties.FirstOrDefault(
p => CustomEditorHelper.GetBaseSystemType(
(ISimpleType)p.PropertyType) == typeof(string)) ??
simpleTypeProperties.FirstOrDefault(
p => CustomEditorHelper.IsTextProperty(p));
return(defaultSummaryProperty);
}
public static IEntityPropertyDefinition GetSummaryProperty(IEntityType entityType)
{
//Return the specified property if one is specified
ISummaryPropertyAttribute attribute = entityType.Attributes.OfType <ISummaryPropertyAttribute>().FirstOrDefault();
if (attribute != null && attribute.Property != null)
{
return(attribute.Property);
}
//If none is specified, try to infer one
IEnumerable <IEntityPropertyDefinition> properties = entityType.Properties.Where(p => (!(p is INavigationPropertyDefinitionBase)) && (!p.PropertyType.Name.Contains("Binary")));
IEntityPropertyDefinition stringProperty = properties.FirstOrDefault(p => p.PropertyType.Name.Contains("String"));
if (stringProperty == null)
{
return(properties.FirstOrDefault());
}
else
{
return(stringProperty);
}
}
public static bool IsComputed(IEntityPropertyDefinition entityProperty)
{
return(entityProperty.Attributes.OfType <IComputedAttribute>().Any());
}
public static bool IsComputed(IEntityPropertyDefinition entityProperty)
{
return entityProperty.Attributes.OfType<IComputedAttribute>().Any();
}