// Get the properties that have the attribute var attrProps = modelType.GetProperties().Where(x => Attribute.IsDefined(x, typeof(/*Attribute*/))).ToList(); // Add the property name and the attribute value var columns = new Dictionary<string, string>(); foreach (var prop in attrProps) { var attr = (/*Attribute*/)prop.GetCustomAttributes(typeof(/*Attribute*/), false).FirstOrDefault(); columns.Add(prop.Name, attr./*Attribute property*/); } // Attribute Example public class XcelHeaderAttribute : Attribute { public XcelHeaderAttribute(string headerName) { this.HeaderName = headerName; } public string HeaderName { get; set; } } // Property example [XcelHeader("Твърда сума")] public decimal hard_price { get; set; }