C# :: Sorting A ListView?
Apr 22, 2014
at the moment I lack access to the pc with the code on it, so for now I will try to keep my question basic.
now here is my problem: I have a listview witch is populated by user input(lets say for the ease of argument that the input is "first-name" "last-name" and "e-mail adres") all of with get there information from textboxes.
then all the information gets stored in a list and on closing that list is stored in a xml-file in the following format
<Root>
<Data>
<first-name>
Samual
[Code].....
the input, saving and loading is no problem. when you open the file this listview is in view = List so that you only see the last-name(I prefer it that way since I know how to code that) and when you click it it fills the textboxes with the corresponding information.
what I am trying to figure out it how to make it that it sorts itself(preferred sorting when something is changed).
I tried the ListView.sorting = SortOrder.Ascending; when I do it that way it messes up the corresponding information(is it clear what I mean or do I need to add an example).
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Jan 15, 2013
i'm making a hotel reservation system for our final project in database management.. i'm having difficulty on how can i attach an image in a listview, if i insert a room category, the roomstatus will automatically insert a value of 1 on the table, and in the listview the data 1 in the column of status must be view as an image that indicates that the room is available...
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Aug 27, 2014
I was using the same item click event on another listview, and it worked perfectly... I don't know why this is happening, but here's my problem:
When I double click on an item, and try to obtain its index in the listview, the items index always comes back as -1... Obviously -1 isn't an index, and I'm guessing that it is returning -1 because that item does not exist on the listview, but from what I'm seeing, it is impossible for the item not to be inside of the listview...
Here is the xaml for my listview:
<ListView x:Name="lstBookmarks" HorizontalAlignment="Left" Height="250" Margin="10,10,0,0" VerticalAlignment="Top" Width="327" ItemsSource="{Binding Bookmarks}">
<ListView.View>
[Code]....
When I uncomment the MessageBox, it shows -1... This is obviously not right lol. I have the same exact click event in another class, and I obtain the items index the same exact way.. The only difference between this listview and that one is that this listview is databound.. Is that the issue? If so, how does one overcome it?
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Oct 28, 2014
i have a list view, which is shown below as an example, i am hoping to achieve to find out a method of adding up the values in the Sub2 Column in C#. Then i will output it to a label on my form. So the total should be 14. But i don't have a pre-defined number of rows, and thats what i needs to be. I thought of something like
label1.Text = ListView1.SubItem2.text
But no such luck....
Index Item Sub1 Sub2
-------------------------------------------
0 IE Micro 8.0
1 FF Mozil 3.0
2 Safari Apple 3.0
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Oct 4, 2014
I have 3 columns already made Product, Price, Quantity, - what I want to do is take the textbox's txtName, txtPrice, txtQuantity, and add them to the columns in the right specific places.
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Mar 26, 2013
Is there an easy way to create a column of buttons ina listView?
I need that every file of the listView has a button in the first cell. Is that possible?
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Mar 27, 2013
If we work with a ListView,and want implement some functions like OnLBDblClick(), we only have a CPoint, but not the column and row that this point suppose. How can i Know that, is there another type of functions that gave us the row and column?
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Jan 23, 2014
I've been trying for a while now and I can't seem to replicate this model without using a grid. I've tried making some simple custom panels and a wrappanel that makes a new column after n pixels or n number of items which works; however, I'm unable to find a way to stagger each column.
Here's an image of what I'm trying to do:
enter image description here
I've made solutions that use a Grid that do stagger the columns however what I need is a panel that uses columns only and it must be able to be used as the itemspanel for a ListView.
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Jan 25, 2015
I'm using listView to show content (selected item) in ComboBox, TextBox, Labels..
I was using
DropDownStyle = DropDown
and actually i use DropDownStyle = DropDownList.
With this change,
comboB.Text = Name;
stopped working correctly (onload), only work after first click any item. Why?
I tried too
private void comboB_KeyPress(object sender, KeyPressEventArgs e)
{
e.Handled = true;
}
but with copy/paste with mouse i can add text in ComboBox.
PS: My objective is combobox no editable.
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Sep 11, 2014
I'm trying to use a listview component to show all the fonts on my system, and display each item (row) in the actual font design.
When I run the following code, nothing displays in the listview.
If I rem out line 4, then the list populates with all the fonts, but of course, in the default listview font.
I thought I read somewhere that each item in a listview can be set to a different font.
int i = 0;
foreach (FontFamily oneFontFamily in FontFamily.Families) {
listView1.Items[i].Font = new Font(oneFontFamily, 10);
listView1.Items.Add(oneFontFamily.Name);
i++;
}
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Jan 9, 2013
//user list view
da = new SqlDataAdapter("SELECT * FROM [user]", con);
DataTable t = new DataTable();
ds = new DataSet();
da.Fill(ds);
t = ds.Tables[0];
listView1.View = View.Details;
[Code] ....
I tried with datagridview.refresh, update but its not working can any body sugesst me what to do for refresing the data ....do timer we have to use..? if yes then how ...?
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Apr 2, 2013
I know how to change the back color of text in th ListView for all the View, but if I only want to change the back color of one cell i don`t find any way. Is it possible?
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Apr 9, 2013
I want to add ComboBox inside ListView on mouse double click event. On each double click, a new ComboBox should be added on the next row.
I tried it with the code below, but its not working.
private void form_DblClick(object sender, form_DblClickEvent e)
{
ComboBox c;
this.Controls.Add(c = new ComboBox());
c.Items.Add("Input");
c.Items.Add("Delay");
c.Items.Add("Message");
c.Items.Add("comment");
listView1.Controls.Add(c);
}
actually i want to add combobox will all of the above elements in one combobox..when i double click it again..in next line another combobox will be added with all elements...
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Feb 4, 2013
How to display the record that match for the duplicate items in a Listview. I use C# with linq queries.
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Oct 5, 2013
This is my problem in my subject programming but i dont how to use Array in windows form ... If i run my code i want my Data in listview would not be disappear if i close the form ...?
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May 14, 2014
I'm working on a program for payroll that will calculate and display a list of payroll variables (including net pay) then run again sorting the net pay. So the program should run once display all the variables with the net pay not sorted then run a second time with the net pay sorted.
I've written a program. It is working. But it only runs once and it and it only displays the results with the net pay after it's sorted. What I need to do in order to get it to run a first time without sorting the net pays before it runs the second time sorting the net pays.
My input file reads:
1645JohnDoe4025.00
8932JaneSmith4020.00
7104ChrisDavis4012.50
2816SaraWhite4026.00
5387AliceBaker4021.00
6780LauraJackson4013.50
5641JackBenson4011.25
9000KateRussle6025.00
9001MattJones5020.00
9002FredShultz5523.00
My Output for Net Pay Post Sorting reads:
405.00
450.00
486.00
720.00
756.00
832.00
880.00
900.00
1150.00
1400.00
My Output for Net Pay Pre Sorting should read:
900.00
720.00
450.00
832.00
756.00
486.00
405.00
1400.00
880.00
1150.00
My Program Reads:
#include <iostream>
#include <iomanip>
#include<fstream>
#include <string>
using namespace std;
//function prototypes
int readalldata(long int id[], string fname[], string lname[], int hoursworked[], float hourlyrate[], int n);
[Code] ....
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Mar 2, 2013
I'm trying to take a users input and break it up into four separate numbers, then take those numbers and arrange them from smallest to largest.So far I can't seem to get them working right.
Code:
# include <stdio.h>main ()
{
int inputVariables[4]; //where userinput goes after being broken up
int arrangedValues [4];// the user values arranged lowest to highest
int i;
int j;
}
[code].....
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May 14, 2014
So my ongoing work sorting my net pay program continues.I've got it working to the point where it sorts the net pay and only the net pay. I've been told I can comment out the other variables (hours worked, hourly rate, etc...) with the exception of First Name, and Last Name which I need to sort along with Net Pay.I need to sort First Name and Last Name along with Net Pay so that while Net Pay is being sorted it still corresponds to the same individual.
Right now as I'm only sorting Net Pay and individuals end up with different Net Pays as the sorting occurs. This is the programs current output (Pre Sorting)
John Doe 900.00
Jane Smith 720.00
Chris Davis 450.00
Sara White 832.00
Alice Baker 756.00
Laura Jackson 486.00
Jack Benson 405.00
Kate Russle 1400.00
Matt Jones 880.00
Fred Shultz 1150.00
[code]....
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Nov 21, 2013
I am trying sort my Calorie array and day array corresponding to each other but how to start i cant grasp the concept for some reason. I want it to sort by calories in descending order.
So instead of this...
Day: Calories:
1 200
2 500
3 400
4 600
5 100
I want this.....
5 100
1 200
3 400
2 500
4 600
#include <cstdlib>
#include <iostream>
using namespace std;
//Prototypes
int getDays(int);
void getCal(int*,int);
float calcSum(float,int*,int);
[Code] ....
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Feb 21, 2015
I have a map which contains a multiset and another map
std::map<std::multiset<int>, std::map<int, int> >
And I need to sort the whole map according to the mapped value of the inside map, then output the data from the keys i.e. from the multiset and the first value of the inside map. I have tried to create a vector of pairs
std::vector<pair<std::map<:std::multiset<int>, std::map<int, int> >, int> >
and populate the first element with the map and where the second integer of the pair will be the mapped value to sort. I have tried iterating over the map to populate the vector but I'm not sure how to do so.
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Apr 15, 2014
I have a text file containing the names and surnames of enrollment numbers and grades of students
(looks like this:
RIKI Rikic E2345678 10
JUPI jupic E1232345 9
Etc ......)
I'm interested in sorting by name and surname, registration number and grade.My example:
struct student {
string name;
string surname;
string enrollment;
int grade;
[Code] ....
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Feb 8, 2015
I tried sorting arr2 from lowest to highest value, but it only gives me 4 values and then the rest are zero.
Code:
#include <iostream>
#include <iomanip>
using namespace std;
int main()
{
cout << fixed << setprecision(1);
[code].....
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Sep 20, 2013
I have to read data from a text file, load it into an array and then bubble sort it! Here is my code:
Code:
#include <iostream>
#include <string>
#include <fstream>
[Code]....
Basically what i am trying to do is that sort the names of 10,000 movies and then write those names to a text file. It gives an error in the nested loop by underlining arr and tells that no suitable conversion function from std::string to const char* exists.
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Mar 6, 2015
I am accepting the word from user and arranging it in ascending order like in dictionary in a file . I am doing this by comparing the user entered word from existing word in the file . All the word which is smaller then user entered word is copied to another file "temp.txt" , then the user word is printed and then the remaining word ( which are larger) from "abc.txt" to "temp.txt" . But program close as soon as i enter the second word
Code:
#include<stdio.h>
#include<string.h>
main() {
FILE *fp,*ft ;
fp = fopen("abc.txt","r+");
ft = fopen("temp.txt","r+");
[Code]....
Both file are already created before /
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Feb 16, 2013
I have a file which has records with 2 fields--one int and one float..what is the best way to sort it?
The sorting has to be based on the int field(the first field) (each time the program runs the file might end up with some hundreds of records).
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Feb 13, 2013
Selection sorting a 2D array . Let's say i have an array like
1 2 3 4 //4 elements
1 2 // 2 elements
1 2 3 4 5 //5 elements
1 2 3 //3 elements
1 //1 element
And I want to do a selection sort it in descending order which the row with 5 elements will come first then 4 then 3 and so on. So that it would look like this
1 2 3 4 5
1 2 3 4
1 2 3
1 2
1
Code:
void selectionSortDescending(int list[MAX_ROW], int size){
int temp;
int walk;
int curr;
int large; // index of the largest element
for (walk = 0; walk < size - 1; walk++)
[Code] ....
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