/// <summary>
/// Method to find few expression
/// </summary>
/// <param name="expression"></param>
/// <param name="includes"></param>
/// <returns>Query</returns>
public IQueryable <TEntity> FindByСhain(IQueryable <TEntity> querysource, Expression <Func <TEntity, bool> > expression)
{
if (querysource == null)
{
querysource = EntitiesContext.Set <TEntity>();
}
if (expression != null)
{
querysource = querysource.AddExpressionСhain(expression);
}
return(querysource);
}