{/// <summary>
/// Method for retrieving the list
/// </summary>
/// <param name="source">IDataManipulation interface</param>
/// <param name="displayPath">Path for display in combo box</param>
/// <param name="valuePath">Path for getting the value from in combo box</param>
/// <param name="selected">Id of the selected item</param>
/// <returns></returns>
public SelectList GetList(IDataManipulation source, string valuePath, string displayPath, int selected = -1)
{
var all = source.GetAll().Result;
//Func<SelectList> deleg = () => {
// SelectList res = selected == -1 ? new SelectList(all, displayPath, valuePath) : new SelectList(all, displayPath, valuePath, selected);
// return res;
//};
// var t1 = new Task<SelectList>(deleg);
SelectList res = selected == -1 ? new SelectList(all, valuePath, displayPath) : new SelectList(all, valuePath, displayPath, selected);
return(res);
}