linq order by age range

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public class FullBucket
   {
       public string Type { get; set; }
       public double OpenAmt { get; set; }
       public double SubmitAmt { get; set; }
       public double NoOfClaims { get; set; }
       public double UniquePatient { get; set; }
   }

"_result" is the list which contains values shown below

Type	      OpenAmt	SubmitAmt	NoOfClaims	UniquePatient
31-60 Days     120	    2000	     235	      12
61-90 Days     110	    2000	    1254	      41
00-30 Days	   100	    2000	     248	      74
120+ Days	    90	    2000	     743	      24
91-120 Days	    80	    2000	     832	      41

i want to order it like this:

Type	     OpenAmt	SubmitAmt	NoOfClaims	UniquePatient
00-30 Days	    100	      2000	      248	    74
31-60 Days	    120	      2000	      235	    12
61-90 Days	    110	      2000	      1254	    41
91-120 Days	     80	      2000	      832	    41
120+ Days	     90  	  2000	      743	    24

I tried like this but its not working since "Type" is a string :( please help me to order it.

C#

List<FullBucket> _df = _result.OrderBy(d => d.Type).ToList();

Posted 6-Jan-16 2:26am

Mohammed_Faisal_Majeed

Updated 6-Jan-16 2:45am

Maciej Los

v2

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Comments

Tomas Takac 6-Jan-16 8:54am

If this is from database, you should show your query to populate _result as well.

[no name] 6-Jan-16 9:03am

this is not from database. i have filtered this result from one more list.

List<fullbucket> _result = InfoDB
.GroupBy(l => l.AgingBucket)
.Select(cl => new FullBucket
{
Type = cl.First().AgingBucket,
OpenAmt = (double)cl.Sum(c => c.BalanceSubmitAmount),
SubmitAmt = (double)cl.Sum(c => c.SubmitAmount),
NoOfClaims = (double)cl.Select(l => l.ClaimNum).Count(),
UniquePatient = (double)cl.Select(l => l.PatientName).Distinct().Count(),
}).OrderBy(d => d.Type).ToList();

2 solutions

Solution 2

If you are able to modify the FullBucket class, I would add a MinDays (int) property - and change the Linq/SQL to return a value for it.

If you are not able to modify it, can you derive a sub-class that expresses a MinDays property? In the sub-class, MinDays would be a get-only property, whose get expression is something like the following:

C#

public int MinDays
{
   get 
   {
	var minDaysText= (Type == null ? "" : Regex.Match(Type, "^[0-9]+").Value);
	minDaysText = string.IsNullOrEmpty(md) ? "99999" : minDaysText;
	return int.Parse(md);
   }
}

And, if you will be using MinDays regularly, you should add a nullable private field (int?), and set its value on the first reference ... so you don't have to do the regex on every reference.

Posted 6-Jan-16 3:06am

Chris Ross 2

Comments

Maciej Los 6-Jan-16 9:08am

Very interesting, a 5!

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Maciej Los · Accepted Answer · 2016-01-06T02:59:00

Solution 1

You may use Dictionary. See:

C#

Dictionary<string, int> orderOfType = new Dictionary<string, int>();
orderOfType.Add("00-30 Days", 0);
orderOfType.Add("31-60 Days", 1);
orderOfType.Add("61-90 Days", 2);
orderOfType.Add("91-120 Days", 3);
orderOfType.Add("120+ Days", 4);

var _result = _df.OrderBy(x=>orderOfType[x.Type]);

Posted 6-Jan-16 2:59am

Maciej Los

Updated 6-Jan-16 3:00am

v2

Comments

[no name] 6-Jan-16 9:30am

THANK YOU IT WORKED :)

Maciej Los 6-Jan-16 9:38am

You're very welcome.

ridoy 6-Jan-16 14:34pm

5ed.

Maciej Los 6-Jan-16 15:08pm

Thank you.