Counting The Rows Of Listview?
Mar 5, 2012
I have this search form and I want to count the rowsThis is the code for the textbox wherein I type te names.
Public Sub showitems2()
Dim com As OleDbCommand
Dim oledbda As OleDbDataAdapter
[code].....
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Sep 23, 2009
I would like to count records of a datagridview after having applied a search criteria
the code i am using is the following:
Private Sub count_btn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles count_btn.Click
[code].....
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Oct 30, 2009
Compute("COUNT([SoldDate])", "[SoldDate] >= #" & DateTime.Today.ToString() & ateTime.Today.AddDays(180).ToString & "#") get the following error:
tring was not recognized as a valid DateTime.
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Jan 15, 2012
I have an application that needs to know how many excel rows are in a worksheet before they are imported into my application.
At the moment I am asking the end user to enter this into a text box, but would like my application to do this can anyone suggest the best way to do this?
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Feb 16, 2012
I have a datagridview with rows and 2 columns the first for staffname the second for the price the first column name is "staff" the second is "price" I want code count's how many time the row have been repeated to count the item price
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Apr 30, 2009
I am using a tableadapter to connect my project to an MS database. I need a a function which counts the number of rows in the table for something which I am doing. I have sucessfully used the count function to count the number of rows for my other tables, but when I tried to reuse it for another table, it wouldn't work. I get an error...
An unhandled exception of type 'System.ArgumentException' occurred in System.Data.dllAdditional information: Input string was not in a correct format.Couldn't store <AH25> in ProductCode Column. Expected type is Int32.
and this is the code which I used
Dim record As Integer = TAProduct.GetData.Rows
Do Until record = TAProduct.GetData().Count
' other codes
loop
It only seems to work if the first column is an integer datatype, which is the case for my other tables, but the table which I am currently dealing with using a string datatype. Is there another way to count the number of rows without using SQL statements or can I adapt my existing code in some way?
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May 10, 2011
I am trying to count all the rows on a datagrid after it has been populated from my DB. I have searched online on how to do this but nothing seems to work.[code]where test is my datasource it gets thrown into
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May 11, 2009
how do I count all non-new rows in a datagridview?
datagridview always give a blank row at the last row, and when i do a rows.count, it always adds up
is there a way to count only non new rows, or do i just need to subtract 1 every count (which is weird)
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Mar 16, 2012
This is my first time posting in a forum like this, so please excuse me if I accidentally break any thread rules (btw, where can i find these?). I am very new to Visual Basic and have been trying to teach myself as I create this program. I have experience with macros in excel so I do understand some of the coding, but definitely nowhere near being proficient. I am using Visual Basic 2008 Step by Step (Michael Halvorson) to teach myself.
I am trying to create some code in my program that will allow the user to open an excel file and then return the number of rows and columns in the worksheet. There will only be 1 worksheet in the workbook (since this is just a small part of a larger program I am writing). I already tested the code that will open the file in another program and it worked fine; the thing that is catching me is the row and column counts. I'm a bit stuck here and was hoping someone could point me in the right direction. Here is the code as follows: Code: I have another sub for a quit button which I chose to leave out. The last line for the MessageBox is causing me problems.
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Sep 3, 2011
I have the following code. It works as is, but... I am not always going to have an even number of items in the RSS feed So, at the end of the table, I might have only one table cell on the last row. So, is there a way to count the number of ItemTemplates and AlternatingItemTemplate, so if it is an odd number I would be able to add another cell <td> </td></tr> and close the table row?
[Code]...
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Feb 22, 2012
I have two listview in a separate form, basically what i want to do is whenever I select a row in my first listview the items in that selected row will be copied in my second listview which is empty.
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Aug 11, 2010
I have tried reading the documentation and can't find a good example of how to add rows to a 5-column unboudn listview. I manually added the 5 columns thru the designer. I'm getting an error on the highlighted line of code. See attached screenshot.
Private Sub LoadComponentGrid()
Try
Dim lvItem As New ListViewItem
[code]....
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Feb 17, 2012
' PayList form
sSql = "SELECT FullName ,InvNomer, date,BalanceDue FROM Invoice"
With LvList
.Columns.Add("Name", 150)
[code]....
After I ADD To my Payment Datagridview Payment Form With InvNomer in DGV.Rows(i).Cells(1).Value
DGV.Columns.Add("FullName", "Name")
DGV.Columns.Add("InvNomer", "InvNomer")
DGV.Columns.Add("Date", "Date")
DGV.Columns.Add("BalanceDue", "Total")
Now hide my Paylist row with InvNomer where InvNomer in Payment.DGV.rows(i).cell(1).value I Have tried
Private Sub cmdPaylist_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdPaylist.Click
If pbNew Then
Dim AllItems As String = ""
[code]....
how to hide Listview rows ?
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Apr 4, 2010
It is so easy in windows form, but in wpf it seems to be different.[code]...
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Apr 17, 2010
how to highlight specific rows of ListView in vb.net?
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Aug 8, 2011
I have a listview that can contain up to roughly 2,000 listview items I need to loop through the listview and insert each item into a mysql database
is there a better, bulk way, to insert the data instead of doing an insert for each item like follows:
for each itm ...
insert into whatever ( id ) values ( itm.text ) ...
next
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Feb 22, 2012
I have two listview in a different form what I want to do is that whenever I select a row in my firstlivew the selected items will be copied in my second listview which is empty
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Feb 8, 2012
I am trying to get the selected rows from a listview. To achieve this, I did this:
Dim numsel As Integer
numsel = Me.ListView1.Items.Count
For countme As Integer = 0 To numsel
[Code]....
It does count the selected rows, but it always throws out the error saying "ArgumentOutOfRange Exception", or something along those lines. For example, if I selected a row, it will output the results of that row. But the loop goes on. I tried everything I can but to no avail. I specifically want to select multiple rows, and I can achieve that if someone can assist me with this simple "problem" I have.
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Apr 19, 2010
How to select the ListView rows by using up down keys instead of clickng each row everytime?
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Apr 6, 2012
I am using a listview to populate a table with 1000 rows. The DB table is about questions and answers.
I want to use accordion control with listview. Should i put the accordion control inside listview itemtemplate?
What i want is clicking on the 1st question opens the 1st answer and clicking on the 2nd question closes the 1st answer and opens the 2nd answer.
UPDATE:
I am trying it this way
<asp:ListView ID="lvQuestions" runat="server"
DataKeyNames="QueryID"
DataSourceID="SqlDataSourceQueries">
[Code].....
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Sep 22, 2009
I am populating the list view using mysql and i dont know how to avoid duplicate rows.
Private Sub Btnrefresh_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Btnrefresh.Click
Using connection As New MySqlConnection(";")
Using command As New MySqlCommand("SELECT Distinct name, type, uploaded, uploader, location FROM programs", connection)
connection.Open()
[Code] .....
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Apr 4, 2010
I know that this has been asked alot on the internet and i've searched for it, but can't find any good thread/page about it.What i wanna do is:I have a listview where the user can add items to. But i want the user to able to choose backgroundcolor.The only option i can find is ForeColor, and it does nearly what i want, it colors all text on the row the user add. But as I said I want it to color the background of the row, not the text.
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Nov 15, 2009
I have a little problem with interacting with sql server from vb.net. I look here [URL]. I made an sql server table called Per: Until here all it's ok. What I want to do is to insert in the two textboxes the user types Mike (in textbox1) and Bottomley (in textbox2) ,press the button search and stored the results in listview if he finds the row (and in this case it finds).
Here is the printscreen of my windows forms application vb.net (I am using visual studio 2008. So I type in the two textboxes Mike(textbox1), Bottomley(textbox2) press the button and it searches in my sql server table (if it finds -in this case I have this rows it's row1) it displays me the result in the Listview.
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Dec 29, 2011
How can I create alternating background colors for listview rows while only using ItemTemplate? I don't want to use AlternateTemplate because I would have to edit both of them everytime I want to change something when all I'm using it for is to create the alternating background colors. So what's a way I could do it using only the ItemTemplate?
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Dec 21, 2010
I'm attempting to insert rows form a ListView into an access DB. Here is the code from the Finish button. From line 55 down is my trouble area.
[Code]...
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Aug 26, 2009
Does anyone know why a ListViews dragover event does not fire when dragging over a listview column header or an empty row?I'm trying to highlight the row a user is dragging over. Everything works with the exception that when I drag over the column header or an empty row the previous row stays highlighted since the dragover event doesnt fire. Is there another event that I should be looking at? I've checked the hover over and it doesnt fire either.
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Oct 12, 2009
I have a ListView that I populate with running processes and would like to highlight specific rows based on the amount of memory consumption. After I add the processes to the list and and call the WorkingSet64 property of the process, I tried this:
vb.net For Each lvi In ListViewProcess.Items If proc.WorkingSet64 >= 2000 Then lvi.BackColor = Color.Yellow End If Next
Processes is the variable I used to grab the collection of processes. proc is defined as a variable and then used to loop through the processes.
lvi is of course the ListViewItems in the ListView.So, by the code I have above, I loop through the ListViewItems, and if any of the processes are above or equal to 2000, then I set the background color to Yellow.
However, it sets every line to yellow, and I can't seem to figure out to set only those processes that have a WorkingSet64 above 2000.
Would I need to loop through the processes and then set the background color of the ListViewItem based on that? That kind of makes sense to me, but if I do that, I'm not sure how to set it just for those processes. Maybe by setting a separate variable?
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Apr 23, 2012
In WinXP with LV FullRowSelect enabled I can press and hold down the left mouse button and drag it down the right side of the left-most LV column and the rows are selected, but under Win7 I can only multiselect items with the mouse if FullRowSelect is set to false.
So I guess I need to write code to support this sort of feature for Win7 ? , and if true are there any code examples (I can't find anything) to save me some time?
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Jan 20, 2011
I am working on Treeview control and Gridview Control VB.NET08. In the Treeview i have Parent and Child Nodes. Like:
- 31
3101
3102
[Code].....
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Jan 19, 2011
I am working on Treeview control and Gridview Control VB.NET08. In the Treeview i have Parent and Child Nodes. Like: [Code] Comparing the Parent Node text and first two digits in the Column values. I want to add rows inbetween the gridview rows based on the parent and Child Nodes. If i expand the First Parent Node Called "31" then according to the Number of Child Nodes (for first parent node(31) there are 5 child nodes.) add rows in the gridview.
These New rows should be add under the 31-xxxx. If i expand the 32 Parent Node based on number of Child Nodes, add rows under the 32-xxxx. [Code] I am getting the rows in the end of the Gridrow not in the Specific row.
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