public static IEntitySet GetEntitySetOrThrow(this IModelContext context, string name)
{
IEntitySet entitySet;
if (context.TryGetEntitySet(name, out entitySet))
{
return(entitySet);
}
throw new KeyNotFoundException("Entity set not found: " + name);
}
public static bool TryGetNavigationPropertyTarget(
this INavigationProperty navigationProperty,
IModelContext context,
IEntitySet navigationRoot,
out IEntitySet navigationTarget)
{
if (navigationProperty.IsContained())
{
throw new ArgumentException("Only uncontained navigation properties can have a navigation target.");
}
var edmNavigationTarget = navigationRoot.ResultingEdmType.FindNavigationTarget(navigationProperty.ResultingEdmType);
if (edmNavigationTarget != null)
{
if (context.TryGetEntitySet(edmNavigationTarget.Name, out navigationTarget))
{
return(true);
}
}
navigationTarget = null;
return(false);
}
