Combobox Isn;t Returning A Value?

Nov 23, 2010

i am new to VB programming, actually this is my first time with VB any ways here is my situation that is driving me mad

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Databound Combobox Returning -1?

Sep 10, 2009

All I want is to enter text into a databound combo box. If the entry is not in the list, then the user should have the option of updating the table that the combo box is bound to.The way I have set up the project is by dragging objects from the toolbox and having the application set up the datasource through the data sources tab. This in turn creates the bindingsource, dataset and tableadapter.For updating the combobox I have added code into the leave event. This does indeed update the client table as required. However, the id stored in the quotes table is -1. How do I make sure that the correct id is stored that references the newly added client record. For your information, the client table only has an id and clientname column.

The code is as follows:

[CODE] Private Sub ClientComboBox_Leave(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ClientComboBox.Leave
Dim con As New OleDb.OleDbConnection
Dim dsClients As New DataSet

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Returning Selected Item From ComboBox

Jul 1, 2010

I am writing a program that is connection to an oracle database using the tableadapter method. I am populating a drop down list with a distinct set of values. I am then wanting to display the item that user selects in a text box. However, instead of the desired result being displayed the text box is returning system.data.datarowview.

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VS 2010 Returning Entire Row From SQL Table To Combobox?

Apr 11, 2011

I am designing an clock-in/clock-out program as a learning exercise. So far I can type the name of an employee and add them to my timeclock database in a row called "EMPNAME". The issue I'm having now is that I need each of those employees in column of EMPNAME to appear in a combobox when I hit "GET LIST". Is there a simple way to do this using a SELECT statement for the commandtext? I've tried to google but cant find exactly what im looking for.

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Combobox - Returning "hidden" Value?

Feb 15, 2012

Fairly new to the VB.NET world, but a long time Access and FoxPro programmer.I'm trying to do something that was extremely easy in Access, but can't believe it is this difficult in VB.NET.I populated a combobox with values from a mySQL table. I want to return a hidden value from the combobox (Username), but the values that are being displayed are the full names (Firstname and Lastname). So the user selects the full name, but never sees the Username.

I've searched many different sites, and have seen examples that involve creating classes, and other complicated ways of doing it.This site explains what I am trying to do, where you select a City Name from the combobox, and it returns the zipcode. [URL].. However, the ValueMember/SelectedValue doesn't seem to work for me, or I am not understanding how it is used.or even a link showing my how this is done? I am just not finding the right info on my own.

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Asp.net - Returning In Oracle INSERT Is Not Returning Proper Value?

Mar 15, 2012

I have an ASP.NET web application (VB.NET) using an Oracle database. On an insert, I need to get the identity of the inserted row back. I am trying to use RETURNING, but I keep getting a value of 1 returned.

Dim strInsert As String = "INSERT INTO L.TRANSACTIONS (LOCATION_KEY, TRANS_CREATOR, TRANS_EMAIL, TRANS_PHONE) VALUES (:location_key, :trans_creator, :trans_email, :trans_phone) RETURNING TRANS_ID INTO :ukey"

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Returning A Function Vs. Returning Variable Name?

Dec 12, 2011

My brain may just be fried since it's the end of the semester, but my teacher kicked this back to fix and resubmit...she said that I am "returning the name of your function rather than your variable name".

Here is my code for all 3 forms.

code:

These are forms to calculate the cost of getting a cell phone package.

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Dynamicaly Refresh Databound Combobox Items Based On Selected_index_changed Event Of Another Combobox?

Jan 27, 2010

I am using VB.NET together with ADO.NET to create a program. I have set my TableAdapters as needed and bound the correct tables-columns to my comboboxes.My problem though is this:My combobox2 item is bound to a datatable. The table adapter's Fill method (the select command basicaly) includes a public variable in the where clause to fetch the correct results. I ll put some code here to clarify it a bit more.Public Class Frm_inv

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Combobox Bug - Text Typed In Combobox Appears In Another Control (textbox) On The Form?

Feb 20, 2012

I have a tab control application, each tab loads a particular user control and each of those user controls will then add other user controls that are used amongst other the user controls. For example, I have an "ucQuotes" page and an "ucInventory" page, when the specific tab is selected, the "uc****" user control is loaded on that page, and in the case of "ucQuotes" and "ucInventory" they both use a control called "ucPartNumber"; a user control consisting of a combobox, textbox, and button. I have no issues reusing the shared user controls, in this case. My problem arises with my "ucQuickPrice" control, as it is always present at the bottom of the tab control form (separate from the tabcontrol, but on the same form), and it too uses ucPartnumber.

Here's my issue, as I type into the ucPartnumber combobox, the text I type does not appear in the combobox, it appears in the textbox of the ucPartnumber control that is being used on the tabcontrol page. There are no shared instances of ucPartNumber, nor do I have this issue between typing on one tab page and the text showing on the user control of another tab page.I tried just creating the ucPartNumber controls on the ucQuickPrice control, not adding a new instance of ucPartnumber on the .Load event, and the issue persists.

The combobox(s) in question are bound programmatically with about 40,000 items, ".datasource = dataset.tablename" not to a bindingsource. Autocomplete is set to none, I added code to utilize tool tips and the basic combobox filtering functionality. Is this a bug, or is there something I'm neglecting? I'm about 95% complete with this application, and this just happened today. I made the decision, to just reuse the ucPartNumber control on the ucQuickPrice control (originallly it's size and orientation would not fit, but I added some coding to detect what parent is adding ucPartNumber and to change its appearance accordingly). Before, I made this change, I did not have this problem. And, in trying to go back to how I had things set up before the change, the problem will not go away. if the whole control within a control verbage I used is a bit confusing, let me know and I'll try to better explain what is happening. At this point, I'm going to close and reopen vbexpress, as when I started this ordeal, vb started acting weird and wanted me to save all my work, it usually does this before locking up.

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Change List Of Combobox A Based On Item Chosen From Combobox B?

Jun 17, 2011

I am new to vb.net and I am using visual studio 2010. I have two comboboxes on a form, each combobox is set to DropDownList so that a list of items can show in the combobox, but no text is allowed to be entered.

For combobox A, if user chooses item 1, the list of combobox B should be updated accordingly. I think this is quite common on a lot of applications. But I do not know to implement it. I even do not know the keyword to search for the relevant property or event handler.

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ComboBox Reset To Select The Text Of The ComboBox In Windows Application

Aug 10, 2009

I had added the items

1
2
3 to the combobox.

Then I gave the "Select" to the text of the combobox.

How can I able to reset combobox to select the text("Select").

I had tried by giving -1 to the SelectedIndex. But it gives only Empty.

This is for VB.NET Windows Application

I have given an Image for your reference

Image path for the reference [URL]

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ComboBox When Clicking Suggestions Will Clear Combobox Text Area

Mar 26, 2011

When I will click the suggested text shown in the combobox it will disappear.My Combobox btw is connected in a database.If I type Kev then kevin and kevsky will show at its suggestion then when I will click any of it ,the combobox text will be empty or will clear what I typed ("Kev") and will not show what I clicked.[code]

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Reset ComboBox To Select The Text Of The ComboBox In Windows Application

Aug 11, 2009

I had added the items 1 2 3 to the combobox.

Then I gave the "Select" to the text of the combobox.

How can I able to reset combobox to select the text("Select").

I had tried by giving -1 to the SelectedIndex. But it gives only Empty.

This is for VB.NET Windows Application

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VBA UDF Returning #VALUE

Nov 13, 2010

So I have a pretty simple UDF written in visual basic for use in excel. It calculates your approx. taxes. Lets say I use it as such: =Taxes(I23-I18,I24-I20,"Married")

If I type this in it works great. Now if I save the sheet and restart excel the cell now says #VALUE! If I select the formula and hit enter once again it recalculates it fine. What am I doing wrong? Application.Volatile shouldn't be needed but I was trying ideas. [Code]

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.net - Make A Custom ComboBox (OwnerDrawFixed) Looks 3D Like The Standard ComboBox?

May 3, 2011

I am making a custom ComboBox, inherited from Winforms' standard ComboBox. For my custom ComboBox, I set DrawMode to OwnerDrawFixed and DropDownStyle to DropDownList. Then I write my own OnDrawItem method. But I ended up like this:

How do I make my Custom ComboBox to look like the Standard one?

Update 1: ButtonRenderer After searching all around, I found the ButtonRenderer class. It provides a DrawButton static/shared method which -- as the name implies -- draws the proper 3D button. I'm experimenting with it now.

Update 2: What overwrites my control?I tried using the Graphics properties of various objects I can think of, but I always fail. Finally, I tried the Graphics of the form, and apparently something is overwriting my button.

Here's the code:

Protected Overrides Sub OnDrawItem(ByVal e As System.Windows.Forms.DrawItemEventArgs)
Dim TextToDraw As String = _DefaultText
__Brush_Window.Color = Color.FromKnownColor(KnownColor.Window)

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Access ComboBox Properties And Events When The ComboBox Is In A DataGridView?

May 2, 2012

DataGridView TIPs has TextBoxes and ComboBoxes in it and the data comes from an SQL table. I see how to get or set the cell values that come from the ComboBoxes using Item, but how do I access the actual ComboBox events and properties?

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Bind A ComboBox, To Show ID1 Through ID5 In The Combobox When My Form Loads

Sep 28, 2011

I have a table in my database with 5 columns (ID1 to ID5) and just one row. I'm trying to bind a comboBox, to show ID1 through ID5 in the combobox when my form loads. I have a dataset and tableAdapter's made for this already. I just want to know how to bind a combobox to those ID values.

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Combobox.items.add - Combobox To Have A List Of Choices From A Table In A Db

Jun 14, 2011

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I'm making a combobox on a form. I want the combobox to have a list of choices from a table in a db. The two columns are a String and a Date. I want the date column to only show the year. I'm hoping I have the code right as it is above, but I'm not positive I've done the whole date thing right.

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Datagrid - Filter Combobox In A Datgrid Based On Another Combobox

Oct 19, 2010

I think my question is discriptive, or as Microsoft in the Documentation for Data Grid the question is, How do I have a combo box column display a sub set of data based upon the value of a different combo box column?

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Make The Combobox Go Back To The Original Text Of The Combobox?

Jun 19, 2009

I have a combobox..... When a user clicks on the list inside the combobox my webbrowser opens to the selected items website.how to make the combobox go back to the original text of the combobox?

Example: Combobox list
---- Select Item ----
Royals
Mets

[code]....

When the user see's the screen the ---- Select Item ---- is visible. When a user clicks a teams name it opens the teams website and the name stays in the box. I want it to go back to ---- Select Item ---- immediately after they click a list item.

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Update Source Combobox To Printer Combobox Selection?

Mar 27, 2011

Is there a way to update source combobox to printer combobox selection?So going from printer1 to printer2 the source will update according to what that printer has to offer.

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VS 2008 Combobox Properties - Make The Combobox Not To Be Able To Write Yourself?

May 13, 2009

I have completed my project and i have one remaining thing to settle... I want to make the combobox not to be able to write yourself. for example there are 4 options ,"A","b", "c","d".If i type w in the combo all the project is ruined!i want not to be able to type at all to prevent this...Which property should i change?

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.net - Calling A Sub And Returning A Value?

Mar 15, 2012

This might seem like an insanely easy question, but I cant seem to find an answer anywhere to it. I'd like to think that I am decent at VB but while I was learning javascript the other day I found something that seemed awesome and now I cant figure out how to do it in VB.in javascript it looks like this

var someValue = getThatValue()Its both calling and setting the value from the getThatValue() sub. what is the VB equivalent?

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Asp.net - DaylightSavingTime Returning Different Value?

Nov 2, 2010

I have a piece of code that checks a time and then adds hours based on the daylight savings time value.

Dim CommentDateTime as Date = "11/2/2010 8:21:42 PM"
If CommentDateTime.IsDaylightSavingTime Then
'do something
Else
'do something else
End If

The problem that I'm having is that IsDaylightSavingTime behaves differently on the production server than it does on the development.On the development server the case is TRUE, but on the production it is false.

Both servers are running the same OS and are both running .NET 3.5

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Asp.net - GetConstructor Returning Nothing

Oct 10, 2011

I have two different GetConstructors(), one is returning what it should be returning the other however is returning nothing. ItemName is BSRPTReportPerformanceSubcontractorRating
The first one which is returning what it properly should is:

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C# - Returning XML From A Web Service?

Mar 20, 2012

I have an XML file that sits on the hard drive of a Server running my Web Service. I need to access that file from another application.

This is my method on my Web Service

Public Function getXMLFile()
Dim xmlDocument As System.Xml.XmlDocument
xmlDocument = New System.Xml.XmlDocument()

[Code]....

This is caused when I try to return the xmlDocument object

From the information I gathered, it's like SOAP wants to wrap my XML in more XML and stops me from doing that.

How do I go about getting the XML File from my Web Service if I can't return XML?

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Msgbox Returning A Value?

Jun 22, 2010

I am creating a message box in VB8 for an error. I created the message box and everything works. The message box returns a value of 0 which is the default one. Where does it return 0 to. Or do you have to tell it where to return it.

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Returning A DataTable In WCF And .NET

Apr 25, 2011

Thanks William, that was the ticket. Had to assign the name property on both ends [DataTable.TableName].

On a side note here: There appears to be some school of thought (no offense Marc) that the following statement is always true:

"Everything in the world can and should be made into an object."

It is, simply, not always true. There are cases where you cannot cram your 'object' into any cookie-cutter or class no matter how you try to customize it. For me to objectize this beast, I'd have to create roughly 4,000 objects. I don't have time to do that, and yet this project must run as a service. Frankly I think the developers at MickeySoft need to get out more into the real world, and see for themselves that although theory is great it does not represent true-life challenges. I am all for working with objects for the obvious benefits, but there is a reality that universals do not exist. In my trade, even 'most of the time' rarely happens.

Before they push out a new technology set, and cease support of an old one, they need to make sure that the new technology has the same capabilities the old one had.

For the record: The people who believe the above statement to be true are also the same people who would refuse to take the project I'm currently working on.

Just the same -- thank you both for your time, efforts and opinions!

I'm trying to create a WCF function that will return a table to my console testing app. I am a total noob. The data is 2-dimensional and looks like this:

23 Letter
42 Another Letter
43 Document

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...Of course, it won't work. I just need to get the WCF to pass a basic table to my console application. The execute SQL seems to work just fine, I just can't get the data back to my application.

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Returning A Function Value

Dec 14, 2009

returning a function value? I have a simple function that returns an integer. This function works fine when executed in SQL Developer but, when called from my apps, it always returns 2 regardless of anything. I have checked it over and over again, I cant seems to find where I am going wrong.

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Returning A Value From A Form?

Jun 15, 2010

I want to return a value (vbCancel or vbOK) from a form which is shown as a dialog from the calling form.So, I overloaded the showdialog method to return the value.Trouble is, a value of zero is returned as soon as the form is shown.Now, if I can make it behave more like the showDialog method where execution doesn't continue until the form is hidden everything would be fine.

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