I have data in a DataSet and want to extract 3 fields from each row in the DataSet.
Field1 = String
Field2 = Date
Field3 = Time
I then want to add all the Field1 strings to a combo list box, sorted by the dates and times in Field2 and Field3.
Is there an easy way to get the data from the DataSet in a Sorted order?
i.e. Equivalant to saying "SELECT [Field1] From [Table] ORDER BY [Field2], [Field3]" in SQL.
I have an application that receives data input from an automated set of devices. This data stream I have managed to capture & get it into a list box which I can sort based on the Device ID & the time that the response was received.There is a set time window for the devices to transmit their data into the application and during this each device is not limited to the number of responses it can send (ie :- Device 1 can send in 2 responses where Device 3 can send in 40 responses, etc).All of the responses are captured, listed & sorted within the listbox (this bit is working ).I now need to extract the last (ie:- latest) entry in the listbox for each Device ID & this is where I am stuck. I can retrieve the last item in the list but cant seem to extract the last item for each Device ID.The code that I am using for the Device response capture, etc is :-
*********Code Start
Private Sub btnPoll_Click(ByVal sender As System.Object, ByVal e As_ System.EventArgs) Handles btnPoll.Click
[code].....
I'm having a bit of trouble showing the data from my access DB within my application. I am using a DataGridView to display the data. Whenever I click the button I have made to display the data.the table remains blank. I am trying to avoid using the designers in VS2010 as this is for A-level coursework and i wont get any marks.
[Code]...
i having trouble with exporting data from a dataset into an excel file, mainly i have included references to excel 12.0 and included the import line:Imports Microsoft.Office.Interopand i try to export a dataset to excel using a button that contains the following:
Dim row As Integer
Dim col As Integer
Dim rowCount As Integer
[code].....
I have tried everything I can to get beyond this error which shows below as <<<<< error here. It is trying to fill a dataset from a data adapter. If I change the SELECT statement to just SELECT * FROM xTable I get the correct number of records in each table. But anytime I try with a more complex statement I get the error message shown below which indicates System.Data.Common.DbDataAdapter.Fill(DataSet dataSet. I've completely erased all data and entered a new set of test data so I know there is no problem with relationships. Each table has primary key which is foreign key in other table. IS there something wrong with the Imports section: Imports System
[Code]...
i am trying to copy data from a standard Dataset to a Type Dataset (XSD) of same table structure. i want to use Automapper to do that one. So how can i do that using automapper?
View 1 RepliesI have two Datagrids, One grid has all the customers garments on it with style number and contact length. The other grid has the users who have garment issued to them. the style number is in both grids. I need to loop through the users grid and say if the contract number is 1 from the first grid then the contract date on the second grid will be todays date + 365 days (year contract) I have looked at using a stored procedure and also a for each command but I am just getting stuck with it all. [Code]
View 1 RepliesI'm trying to sort a range in excel 2007, copy it and export it to another workbook. I can get as far as selecting the range but, I get lost after that...I have searched a lot of threads but, just can't seem to find one that give me an exact answer.
View 4 RepliesI have this hierarchy of XML
<Chapters>
<Chapter @num="">
<Section @letter="">
[Code]....
There has got to be a simple way of doing this....
I would like to utilize some excel addin data (about 5 worksheets of 1000 rows) in a .net program. Is there a way of storing that data within the .net program or some other means so that it can be accessed by the program.
View 2 RepliesSorting data from a file
View 2 RepliesI have a datagridview with four columns, the first of which is date. I was wondering if there was a way to sort all of the data by date using code. I was thinking about doing a bubble sort, but I feel like there must be an easier method.
View 4 RepliesI would like to sort data in my datatable I am focusing on one of my columns that I want to sort in ascending order. Currently I have been using the following code
[Code]...
I nwant to sort the data so that I can output the data in a gridview.
What I want to do is have data rows on the first sheet that is basically a master list, then have the sheets behind it display the data rows that meet a given critera.For example, sheet 1 column 1 has a person's name, column 2 their phone number, column 3 their address. Column 4 has 'M' or 'F' designating wether they are male or female. I would then like to open sheet 2 and all the entries marked with 'M' are automatically produced and display all the information for each person. I also need to "change the gender" of the person and these changes are also automatically changed on sheet 2. I'm guessing it may be a combination of filtering and macros but have no idea how to execute it
View 2 Repliesto something that sure is really simple. If i have two textboxes. Textbox1 is where you type in the text and textbox2 sorts out the text. Lets say i type in a bunch of letters and numbers "random2random1random3" then sorts it out, so textbox2 only shows the numbers
View 6 RepliesI'm using a NameValueCollection that I'd like to sort the keys on, just not sure how. The keys are basically a 24hr time stamp.
Dim matched As New NameValueCollection
matched.Add("0010","string1")
matched.Add("1545","string2")
[Code].....
basically i had to write a program where a user enters the amount of countrys taking part in the Olympics and enters there medals. i should then be able to sort the country's out with the best country being the one with the most amount of gold meals. my problem is its not sorting it out and oping someone could help. i also have a problem where i automatically want the program t work out the total by it self and don't know where to put it.
data
Public Class fmldn
Structure Olympicsinfo
Dim country As String
Dim gold As String
[code]...
I am constantly receiving 2 lines of data via my serial port, example:
GPRMC, 151243.000 , A, 3723.2475, N, 10354.0208,E,1.26, 290.95, 9.0,,,A*67
GPGGA, 151244.000, 0122.4098, N, 10354.0212, E, 1, 04, 2.1, 71.4, M, 4.3, M,,0000*5F
Apart from the starting 5 alphabets which is the message ID, the other numbers are constantly changing every second. I wish to pick out specific values from these GPRMC and GPGGA and constantly update their respective text boxes, how do I go about doing that?
The 4th, 6th & 8th values of the GPRMC message (in this case '3723.2475' 10354.0208' and '1.26')The 10th value of the GPGGA message (in this case that value is '71.4')
I have a dataset (WW1Dataset) with one data table(WW1).(database used in an access database) I'm trying to filter the dataset e.g a user wants to filter by a chosen surname (SurnameTextBox.text) so the datset is filtered to display only those records wherethe surname column in the dataset matches SurnameTextBox.text.
View 1 RepliesI am a programmer from Uruguay. I have read the other similar questions about my problem, but nobody has given the answer I need. I use VB .net 2005 and its datagridview. I bind it to a dataset which is populated with a table of MySql. And when I sort the numeric columns, it sorts them as string, not numbers. I have tried casting the data to integer in the sql statement, but it doesn`t work. I changed the format of the column of the datagridview to single or long but it didn't worked either. I really can't believe it is happening, it is a so common need! I thingk It should be totally automatic.
View 12 RepliesI have a vb.net app that uses a table from an ESRI shapefile. The user the datagridview is populated based on a query. Now I need the datagrid to sort on three different fields, as in Street Name => Address Number => Unit. (I can sort on one field)
I've tried to use code samples on the IComparer class but am just not getting there from here. I may be missing something really really simple. (so I attached the code sample I'm using).
My 'workaround idea' is to add a column when the datagridview is populated and concatonate the three fields together. Then I can sort on that new field. I can add the column, but haven't figured out yet how to concatonate the values in the three fields into this new one. And I'm concerned about speed.
I am trying to sort a form datagrid alphabetically by the column titled Name. Here is code I am trying. This is my first attemp at programming other than VBA.Public Class Agents
Private Sub Agents_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
'TODO: This line of code loads data into the 'AgentsDataSet.Agents' table. You can move,
[code].....
I have been trying to create an application that will read in the contents of a text file, sort the contents, add together any similar Client-Matter codes (based on the first two field values) and then create a new text file with the summarized results. [code]The first two fields can be treated as one field for sorting purposes. The two 403049,000017 lines would add together the last field, and use the most recent date in the newly created file.For some reason, I can not get the new file with the results created. I added messageboxes throughout the code to see where I am going wrong - they tell me where the program is going. They seem to point to me that everything is working but still, no export file.[code]
View 1 RepliesI'm using Visual Basic Express 2008 and I need to upload and sort two data text files (notepad) in a listview box. It doesn't have to be a listview box I chose that because it has nice options for columns. Anyway I've got the code set up to open the dialog box and allow the upload of multiple files. I've also got it set up to show separate columns, movie titles and box office amounts, titles in one file box office amount in the other. What I nee sorting the data once it's uploaded so the movie titles show in one column and the box office amounts show in another. Currently everything is showing in the left most column. I'd like to be able to represent the data seperately also so I can format the dollar amounts into currency. Here's what I've got so far:
Private Sub LoadButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles LoadButton.Click
Dim DialogBoxResults As System.Windows.Forms.OpenFileDialog
[code].....
This is the Kind of sorting I want to do...to select different fields and click the button search to display info in the data grid.Also is not a must that i must fill all field to sort...i might choose 2 or 3 field and do my sorting by clicking the search button. The combo box contains all the fields in my database. (E.g My Screen shot display how it look like)Below is my snap shot of my page i uploaded.Please comment any CODE provided along with the combo box and text box and the search field.
View 5 RepliesI have a problem with sorting this thing. I want to sort a column without changing the data in the other column. i have an attached document. A picture of my query and database..
View 3 RepliesI am trying to sort an array of ListViewItems, here is my code for setting is up:
vb.net
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim Apps(), Owners() As String
Apps = {"App2", "App1", "App4", "App3", "App5"}
Owners = {"AOwner2", "BOwner1", "COwner4", "DOwner3", "Owner5"}
Dim ListViewItemArray(Apps.Count - 1) As ListViewItem
[Code] .....
I know I can have the ListView be sorted but I want the item "All" to stay at the top. I have tried sorting the array with:
vb.net
Array.Sort(ListViewItemArray)
But I get this error: "Failed to compare two elements in the array.".
I also tried:
vb.net
ListViewItemArray.Sort()
But it says there is invalid number of arguments. Is it possible to sort this array or is there an easier way to accomplish what I am trying to do?
I am trying to sort my array in ascending&Descending order, BUT im having trouble because the code to enter numbers and the code to sort the array was given to me by my professor but i changed the code to enter numbers into the array, so i think that's what messing my code to sort arrays up because the codes aren't matching up.. Dim J As Integer = 0 Dim MyArray As New List(Of Integer)
[Code]...
I am attemping to bubble sort a DataTable.DefaultView (column has hex Integers), problem is that my code isnt working. I think the way I am swapping the rows is not actually happening in the Devault View, but ony happening at the local variables drv1 & drv2.
[Code]...
I am trying to sort an array of processes by the process name. I fill the array by doing the following:
Dim proc() As Process = Process.GetProcesses
Then I tried doing
Array.Sort(proc)
, but that gives me an error.
I see there are a ton of overloads for the sort method, but I dont know which one will work, if any.