Sort A List Properly So The Numbers Are Truly In Order?

May 17, 2009

how do I sort a list properly so the numbers are truly in order?

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VS 2005 Sort List Of Objects By Child List Order?

Jul 20, 2011

I'm having a bit of a 'brain doner' moment here

I have a list of Objects. Each of these Objects contains a list of other Objects (pseudo code) :-

Private Structure Object1
dim Name as string
dim ListOfObject2 as List(Of Object2)


I need to sort the list of Object1 by the Value in Object2. I have a comparison class which sorts Object2 by its Value nicely.

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Mar 2, 2011

I have a generic list, like this:
System.Collections.Generic.List<Question> myquestions = new System.Collections.Generic.List<Question>();

And I have a paging example, using a LINQ table acquried from database, doing this for paging:
var questions = context.Questions
.OrderBy(sidx + " " + sord)
.Skip(pageIndex * pageSize)

Right now, for paging my populated from code list, I have:
var questionss = myquestions
.OrderBy(x => x.Id)
.Skip(pageIndex * pageSize)

And what I want is being able to order "myquestions" by a string as in the above example. Is that possible?

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Feb 15, 2012

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Sep 15, 2010

I have a VB.Net 2008/Access 2007 app that I can�t get to display data in an organized way on a listview. The listview displays the data in the order that the data was entered in the products table. In the SQL statement that loads the listview I put ORDER BY SupplierTbl.CompanyName but it doesn't do it. The listview shows the data in the order that the records were entered in the database. So then I was going to settle for if I can get the listview sorted by clicking on the column header.If I can get that to work then that would be acceptable. So I then implemented the sort routine. The sort works and it doesn't.If you click on a column header then all the rows show the information nicely. The database has an OLE object column for storing images. Customer wants images stored in the database not file paths. When you click the listview the image displays in a picturebox.

The proper images display when the listview is clicked when I use the SQL statement below without the ORDER BY. But when I click on a column header and reorder the display it's no good. If you click on a row in the listview the wrong image is being displayed. It displays them in the order as they were in before the sort. All the other columns look good and are behaving except for the Image column. So that then makes me wonder if my original problem with the ORDER BY is directly related with the OLE object column. Is there something about this data type that I need to know to manipulate it in SQL? My reaction is that maybe since this column is resource heavy it goes by different rules. Can someone please tell me what I need to do to make the end result have some order? This is the SQL statement without the ORDER BY:

command.CommandText = "SELECT ProductTbl.ProductID, ProductTbl.PartNumber, " & _
" ProductTbl.AltPartNumber, ProductTbl.Description, ProductTbl.SupplierID, " & _
" SupplierTbl.SupplierID, SupplierTbl.CompanyName, ProductTbl.Category, " & _


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I have a MyObject; myObjects as List(Of MyObject) and a delegate Comparison(Of MyObject) that uses a lot of comparison functions (ByA, ByB, ByC etc) à la:

Shared Function CompareMyObjectsByName(x As MyObject, y As MyObject) As Integer
Return x.Name.CompareTo(y.Name)
End Function


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keep the listbox sort order

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Jul 23, 2011

I want to sort from ascending order so i will know where will be the first priority but i dont know what is lacking in my code and whats wrong with it.

Here's my code for sorting i dont know if this is right. It say's IndexoutOfrangeException was unhandled i dont know what's the meaning of that. . . .

Dim p() As Integer = {TextBox1.Text, TextBox2.Text, TextBox3.Text, TextBox4.Text, TextBox5.Text}
Dim a, c, d, f As Integer


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I have searched high and low and can only find some very bad documentation on how to properly save the data from a rich text editor to a SQL Server database. I am not working with personal profiles, I just want to understand how it is properly done, including how to properly escape said data.

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I am loading an array with data at form load from a text file. I then display that data in a label box. When a user clicks a button I want to sort the data in ascending order. I have a sort code right nowbut it is not correct at all! Another problem i dont know if it will correctly sort becuase the data from the input file is like this: C2 CA D4 S9 HA C4 CQ D3 DA DQ .....AND SO ON AND SO on up to 52 like a card deck, here is my


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Dim list() As Integer
Dim count As Integer = ListBox1.Items.Count


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I am using VB.NET 2008 My DataGridView is bound to a DataSet. After adding a DataGridView row (from another form), I needed to sort the DataGridView in order to put the new row in the appropriate place. I needed to be able to identify the current sort column and the current sort direction (ascending/descending) but I was unable to find out how to obtain that information from the DataGridView properties. Consequently I had to do it the hard way via my own coding. The sort column name (or names) and the sort direction then became available to my program in the global variables.


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Mar 30, 2011

I have a LINQ Query:


This works great and sorts on L_Name. But I am trying to allow the user to sort the gridview themselves so I am passing in the SortExpression as a string. But I don't know how to incorperate the SortExpression into the LINQ Query. I tried Order By c. & SortExpression but that did not work.

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Aug 15, 2010

sorting a code into Ascending order

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I am trying to do a bubble sort using arrays and i am trying to sort a word in its alphabetical order... and my problem is that. i could not assign a value into my array from my textbox and get the length of the word from the text box... i do have this alogorithm'dim asd () as string'asd() = Text1.text'Len(asd()) but it seems that it doesn't work that way as what i am to do it? it has been bothering me for days now and even if i do a lot of library sessions for this but still i could not find what i want to know.

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I have 1 column of buttons that have names in them. i just want to be able to see the in alphabetical order A to Z down. at the moment they just list randomly down. they also have a unique id in the .tag field. How to achieve this alphabetical sort? i am using Visual Basic 2010 Express.

Here is the code that creates the buttons under one another.


Buttons(i) = New Button 'Create a new button object in the array element
With Buttons(i)
.AutoEllipsis = True


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Nov 23, 2009

i have lines like this

1.0 28 Blue [B3-T1 ] (2 16.00 43.0) 10000 -10000 72111 23275
1.0 28 Blue [B3-T2 ] (2 17.00 43.0) 11000 -10000 72111 30275
1.0 28 Blue [B3-T3 ] (2 16.00 44.0) 12000 -10000 70611 23275


Let say the columns that i highlighted is X and Y. I have to arrange the small Y first which is -10000 then arrage big Y which -11000 then arrange again samall Y followed by big Y. Here i only have -10000 and -11000. but let say i also have -12000 so i have to arrange -10000 first then -11000 then -12000. But i also have to look at X column. If let say x value is same next line so it should side by side like i higlighted the two row.

the lines should be identified by [B3] as it will be one group. Can we use IComparer methode here? How to arrange the lines in order thet i want?

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After updating a dgv , i want to again perform sort on the dgv with its already sorted column and the sort direction.

I am able to get the sorted column using 'SortedColumn' property, but how should i know the direction of the sort

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I am trying to do two different things in one giant query. I am trying to specify a custom sort order which i have working in the following query:

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sort a text from a textbox to see if it is in alphabetical order!

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Drag treeview named TreeView1, textbox named TextBox1,button named Button1.I m adding nodes programmatically. Select the node,Enter text in TextBox1 & then click on Button1 to add the node.Mine code is doing this, I want that when the user add nodes it automatically sorts.

Suppose user selects All(node) that is added on form_load,enter 1 in textbox1, click on buuton1,node added.Second time again user selects All,enter 3 in textbox1,click on button1, node added.Now the user enters 2 in textbox,click on button,node added. I want that nodes are automatically sorted after adding.I want


Currently i m getting output



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I have been experimenting with datagridview by designing a bill tracking program. The first challenge I haven't been able to solve myself is how to sort it. I managed to figure out how to save and update from xml but I don't know how to put it in any particular order. Is this possible with it bound, or would I need to write particular code to custom-fill in the date grid? All I am looking for is an a-z sort.

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I have a line like this
18N694 P321 117461, 50374 50MIL;
XTAL_X1 P253 116711, 66524 39MIL;
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P64H2_CLK66_R P2177 110161, 68424 39MIL;
CPLD_NET2 P1151 4711, 90424 75MIL;
V3_3_MGMT_PWR_RST# P3482 4711, 90024 100MIL;

From the above line I have to look the last word MIL. Then I need to arrange the line in ascending orders according to 30MIL,50MIL, 75MIL and 100MIL. Can I use IComparer? Because here I dont know how I can reach the word MIL and sort.

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I am getting data from an SQL Server database and displaying the data on a Windows form.How do I navigate through the data in a Sequential Order or Sort Order using the the REP_ID number? Example: When I use the navigation to move from one data to the other, can I go from; example: 100001 to 100002 and so on?

Finally is there any hint as to why I am getting the time with the dates? I know it is converted to text but not sure how to remove the time and just get the dates.Here is the entire project code:

Imports System.Data
Imports System.Data.SqlClient
Public Class frmBindingData[code]......

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Jan 4, 2010

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2 the numbers to abs absolute

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