DataTable Listbox - Print Out The Message, "The Customer Has No Reservation"
Feb 5, 2010
How do I print out the message, "The customer has no reservation", when the computer cannot find the customerid table.
Private Sub cboSearchCustomer_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cboSearchCustomer.SelectedIndexChanged
Dim dt2 As New DataTable
Dim strFmt As String = "{0,13}{1,13}{2,13}{3,10}{4,13}"
[CODE]...
This is how it should look like when completed. What type of steps should I take to get here?
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Jan 5, 2010
I am trying to autocomplete customer surnames direct from the Customer Datatable, using the code below which I got from another thread, but nothing is happening.
[Code]...
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Apr 21, 2010
I am working on a project that takes an xml schema and xml data files and places them into a DataTable, the 2 files are generated from a working table that i have written to disk. I wish to load these 2 files into a DataTable. Here is What i have
vb.net
Friend Function CreateTable(ByVal tableName As String) As Boolean
Dim table As New DataTable(tableName)
table.ReadXmlSchema(tableName & ".xsd")
[code]....
this however produces the following error on line 3
Quote:
System.ArgumentException was unhandled Message=DataTable 'get_item_list' does not match to any DataTable in source.
get_item_list is the parameter passed into this function (tableName)
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Oct 19, 2010
Private Sub lvList_DoubleClick(ByVal sender As Object, ByVal e As System.EventArgs) Handles lvList.DoubleClick
'Select Customer ID from lvList
frmEdit.txtCustomerId.text = lvList.Select("Customer ID").value
End Sub
my code for selecting the customer id from my listbox doesn't work..
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Mar 24, 2010
I'm selecting a customer from a listbox of surnames...I need to address to display, and the date arrived back...Can't get anything to go into the textboxes, if dr.hasrows is showing up as none I think... not sure how to go about remedey"ing" it though...
Listbox
Private Sub ListBox1_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ListBox1.SelectedIndexChanged
Dim ConnectionString As String
[code]....
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Oct 4, 2011
I have the following problem: I select a customer from a dropdownlist and then the gridview should load all items of all orders of that customer. I have the following query:
Dim allorders = From ord In db.Orders
Where ord.CustomerID = Convert.ToInt32(CustomerDropDownList.SelectedValue)
[CODE]..............
I also tried to modify the query as follows:
Dim orderitems = From oi In db.OrderItems
Where oi.OrderNumber = (From From ord In db.Orders
[CODE]...........
But this does not work. I just started using LINQ.
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Jun 9, 2010
Basically on my form I have a listbox containing data. Under the listbox I want to place a button named "btn_PrintData" or something to that effect. The user will click this, the print dialog box would come up and bingo they could print the contents of the listbox.
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Oct 5, 2011
A registeration sys using a Microsoft acres database I have a table named customer info to store customer details when registering and I need coding that will add the following to my table customer I'd , firstname, lastname , phonenumber and user also has to make selection between radio buttons male or female.
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Oct 15, 2011
I created a RDCL in the designer. I would like the User to Determine what is shown in the Report. How can I change the query at runtime? (ex. changing the customer Name)
This is the query that I have in the properties:
SELECT [Date], Address, Customer, Orders
FROM Report_qry
WHERE (Customer= 'JohnDoe')
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Mar 11, 2010
I am pretty new to Vb and was just wondering is it possible to print out a message box in VB.At the moment i have typed out code which outputs a msgbox with a list and was just wondering is it possible to have a button which when pressed allows me to print out this msgbox with the list
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Dec 31, 2011
I am new to vb.net and I am trying to query a database and print out the records in the row to the console window. I got it to work, but I have a feeling that there is a more concise way to do this. One thing that I am sure is wrong is that I had to convert the dataset to a datatable to be able to retrieve the values. Is that correct? Could you take a look at the code below (especially the for loop) and let me know what I can improve upon?
[Code]...
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Jan 26, 2009
Am using the following code to print the contents of a DataTable
[Code]...
The columns are overlapping each other and am not able set the printed page to landscape
I checked the example in the code bank but it is way more complex than what I need
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Mar 26, 2010
I have created a datatable and now i need to print it,so i did the following:
Private Sub PrintDocument1_PrintPage(ByVal sender As Object, ByVal e As System.Drawing.Printing.PrintPageEventArgs) Handles PrintDocument1.PrintPage
Dim xPos As Single = 20
[CODE]...
The code works fine.But in the above code as you can see that i am printing the each rows content of the datatable one by one and after printing all the contents of a single row i am looping the code again for printing each and every row present in the datatable. So i want to know that inspite of printing each and every data present in the row of the datatable,is it possible to print the entire datarow at a time and then loop through all the rows present in the datatable?
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Dec 30, 2008
airline reservation system in .net
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Feb 22, 2011
I am working on a small program to find all images on drive and display them using Cygwin commands. I found a code snippet that seems to work well but get a error when I run it. Here is code:
Try
Dim r As IO.StreamReader
r = New IO.StreamReader(workingdir + "\images.txt")
[code].....
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Mar 17, 2009
if someone could help about my Guest Reservation SystemI not intending anyone to do it for me,just need some advice want to know what is better or what should I do to make the project better.
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Feb 13, 2011
I have put about 12 Hours into this assignment and i feel that i have most of it completed what have is a combo box that has a FlightBindingSource and a listbox that has ReservationsBindingSource i need to the selected item in the combo box to be sent to a proceedure called DisplayPassengers, and then DisplayPassengers fills the list box with the passengers assigned to each flight.
This is what i have so far:
Public Class AirlineReservationForm
Private database As New ReservationsDataClassesDataContext()
Private Sub FillAll()
[code]...
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Nov 27, 2009
I'm trying to print my list boxes details under their sub headings of there description. I can print all the sub headings using
'Sub titles
PrintFont = New Font("Courier New", 12, FontStyle.Bold)
e.Graphics.DrawString ("Model No Description Guarantee Qty Unit price", PrintFont, Brushes.Black, e.MarginBounds.Left, CurrentY)
PrintFont = New Font("Courier New", 12, FontStyle.Regular)
CurrentY += PrintFont.GetHeight(e.Graphics)
But now I need to get the data from the listboxes and place them under there description.
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Apr 30, 2009
i have three textbox and one list boxi put text on text box and go to the list box like this [code]
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Jan 7, 2011
How to print all the items in a ListBox (as detailed as possible). I read the other responses but I couldn't understand the code so well.[ocde]...
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Jan 16, 2009
how to print the items that i have in a listbox and a line with the name of the document or program!
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Mar 12, 2012
Why doesn't this code work? Public Sub btnSubmit_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSubmit.Click
[Code]...
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Feb 11, 2009
[font=Arial] i whoud like to develop vehical reservation system project what can i do for that?
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Jan 12, 2010
I am trying to bind a simple 2 column data table to a ListBox control with the following code. I am not getting an error but the ListBox is not displaying any items. When debugging, it looks like the DataSource is set to Nothing.
lbAvailable.Items.Clear()
lbAvailable.DataSource = MyDS.Tables("tableAvailableHotFixes")
lbAvailable.DisplayMember = "Name"
[code].....
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Apr 27, 2011
I have a listbox control (in a WinForms application) that lists a bunch of statistics about records selected from a database.
Is there an easy way using VB .NET to take the contents of this listbox and send it all to the printer, or at least have one of those standard windows print dialogs come up, prompting the user for which printer to send the listbox contents to? Doesn't have to be fancy or anything.
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Jan 28, 2011
I'm busy with a project in Visual Basic 2010. I have a "Save" button in my form. I want to make sure that when a user clicks that button a SaveFileDialog should pop up. The user then types a name for the file and the file is then saved as a text file.
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Oct 14, 2009
I cannot find how to display an error message when what I typed in the listbox field is not in the listbox collection.
For example the listbox contains the following items
1) Apple
2) Strawberry
3) Mango
If for example I type "Mongo" and then press tab to another field, a message will pop up saying I typed something not in the listbox. Anyone who knows how to code if text in textbox1 is not in listbox then blah blah blah.
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Jul 4, 2011
i have 3 listboxes and a calculate button and a lblGrandTotalCost, the program works like this when i select an item from listbox 1 and listbox 2 then click "calculate" it shows a result in listbox 3, after repeating this rocess few times if u click the lblGrandtotalCost button it calculates the grand total of all the totals that are in listbox 3, Now i want the program to show an error message if some one click the lblcalculateGrandTotal button when listbox 3 has nothing in it or empty. how do i do that?
i wrote this code but it don't seem to work
If lstGrandTotalCost.Items = "" Then
MessageBox.Show("warning! theres nothing in listbox 3", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning)
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Dec 22, 2010
I have a functioning program that has been completed that based on miles and gallons used, both will display the individual MPG for each single entry as well as compile a total for the miles, gallons used and overall MPG at the bottom.My problem is that when 0 is entered for fuel, the MPG calculation says Infinity and 0 is placed in the gallonsUsedListBox.I've been trying to get the statement "Gallons must be greater than zero" into thegallonsUsedTextBox by utilizing an If..Then statement but to no avail. I'm not sure where to input it or if my avenue of using the If..Then statement is even on track. Here is the code I have:
Option Strict On
' MPG Average
Public Class MPGAverage
[code].....
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Aug 27, 2010
I am trying to update my table reservation I am just trying to update only on column which is total amount but it is not updating.
Here is my code.
Dim a As Integer
a = MessageBox.Show("Are you sure you want to exit????", "ALI ENTERPRISES", MessageBoxButtons.YesNo, MessageBoxIcon.Information)
If a = vbYes Then
Me.Close()
[Code] .....
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