Get Alias Attribute Values in Dynamics CRM using c#

Single Line of Text:

String name = ((AliasedValue)entity.Attributes["name"]).Value.ToString();


OptionsetValue:

String optionsetvalue = ((AliasedValue)entity.Attributes["attributename"]).Value.ToString();


OptionsetText:

String optionsettext = entity.FormattedValues["attributename"].ToString();


Lookup:

String name = ((EntityReference)((AliasedValue)entity.Attributes["attributename"]).Value).Name;
String id= ((EntityReference)((AliasedValue)entity.Attributes["attributename"]).Value).Id.ToString();


Currency:
 Fetchxml Query:

<entity name='account'>
                <attribute name='name' />
                <attribute name='accountid' />
                <order attribute='name' descending='false' />
                <filter type='and'>
                  <condition attribute='statecode' operator='eq' value='0' />
                </filter>
                <link-entity name='amountentity' from='amountentityid' to='amountentity' visible='false' link-type='outer' alias='amount_entity'>
                  <attribute name='totalamount' />
                </link-entity>
              </entity>

Decimal amount = ((Money)(((AliasedValue)student.Attributes["amount_entity.totalamount"])).Value).Value;


Whole Number:

int Totalnumber = Convert.ToInt16(((AliasedValue)entity.Attributes["totalcredithours"]).Value);