/// <summary>
/// Determine the number of objects of a given type that exist that match the supplied expression.
/// </summary>
/// <typeparam name="T">Type.</typeparam>
/// <param name="expr">Expression.</param>
/// <returns>Number of matching records.</returns>
public long Count <T>(DbExpression expr)
{
string tableName = _TypeMetadataMgr.GetTableNameFromType(typeof(T));
Expression e = WatsonORMCommon.DbExpressionConverter(expr);
return(_Database.Count(tableName, e));
}
static void CountAge()
{
Expression e = new Expression("age", Operators.GreaterThan, 25);
Console.WriteLine("Age count: " + _Database.Count(_Table, e));
}