Solved

sort DataSet with multiple column names

Posted on 2004-08-16
5
917 Views
Last Modified: 2010-08-05
Hi I have one data table and I have usercontrol to return dataset of data table.
Because I have multiple columns in the data table , I like to sort by
"column1(String), column2(String), column3(DateTime) DESC" , and then return dataset.

Here is my code.
//create disk data table already, diskDT
//ds.Tables.Add(diskDT); //assign to dataset as a return later
string sortstr = "PatientID,ShotDate,ShotProc,FileName DESC";
DataView dv = new DataView();
dv = diskDT.DefaultView;
dv.Sort = sortstr;
ds = dv.Table.DataSet;
return ds

However, data set shows the original and did not sort it out.
How can I get the sort result to dataset?

 
0
Comment
Question by:young_nacs
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 2
5 Comments
 
LVL 2

Accepted Solution

by:
vijay_a73 earned 250 total points
ID: 11813552
Try this..

string sortstr = "PatientID,ShotDate,ShotProc,FileName DESC";
diskDT.DefaultView.Sort = sortstr;
return diskDT;
0
 
LVL 2

Expert Comment

by:vijay_a73
ID: 11813596
hey..

its return ds and not diskDT.
0
 
LVL 18

Assisted Solution

by:DotNetLover_Baan
DotNetLover_Baan earned 250 total points
ID: 11816124
Hi there,
DataSet does NOT retain sorting. Not even a Table. We can sort only a VIEW. so, instead of returning DataSet/Table, return the sorted VIEW.

If you want the sorted records in the DataSet/Table, change your Sql query for sorted selection. Something like..
"SELECT * FROM Emp ORDER BY EmpID,EmpName, Dept DESC"  
-Baan
0

Featured Post

Free Tool: IP Lookup

Get more info about an IP address or domain name, such as organization, abuse contacts and geolocation.

One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

IP addresses can be stored in a database in any of several ways.  These ways may vary based on the volume of the data.  I was dealing with quite a large amount of data for user authentication purpose, and needed a way to minimize the storage.   …
Real-time is more about the business, not the technology. In day-to-day life, to make real-time decisions like buying or investing, business needs the latest information(e.g. Gold Rate/Stock Rate). Unlike traditional days, you need not wait for a fe…
Are you ready to implement Active Directory best practices without reading 300+ pages? You're in luck. In this webinar hosted by Skyport Systems, you gain insight into Microsoft's latest comprehensive guide, with tips on the best and easiest way…

739 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question