Onchange Combo Box Not Being Called?

Oct 5, 2011

i dont think my on change function is being called...why?

Public Sub selCurrentManuf_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles selCurrentManuf.SelectedIndexChanged
Response.Write("<script language='javascript'>alert('"+"oi"+"');</script>")

[code].....

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Combo - Sql Table Called Stock With Two Fields Called StockID And StockCode

Jun 5, 2011

I have an sql table called Stock with two fields called StockID and StockCode. I want the user to select the stockcode from a combo which in turn populates the stockid for that item into a lable on my form. I have already populated the stockcode into the combo but dont know how to compelte the rest.

Imports System.Data.SqlClient

Public Class cbo2
Private Sub cbo2_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

[CODE]...

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Detect OnChange Of DataGridViewComboBox?

Nov 8, 2011

I have a DataGridViewComboBox in a dgv and I need to detect when the user changes the value....I thought I could use the CellContentClick; however, it doesn't fire when I select from the dropdown in my dgv so thinking I need a different method to choose from.

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Dropdownlist Onchange Action

Jan 24, 2012

In my view there is this DropDownList:

@Html.DropDownList("fOrderstatus", TryCast( ViewBag.StatusOptions, SelectList), "--pick--", New With { .title="Pick an orderstatus"} )

The view shows purchaseorders and the dropdownlist should give the user the possibility to filter, e.g. choosing only 'active' orders.

I prefer a solution in plain vanilla ASP.NET MVC.

In old skool ASP classic I would have an onchange=submit in the SELECT and in the called ASP (via the FORM action) a Request.Form([name of the SELECT])...

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Event 'OnChange' Cannot Be Found?

Nov 4, 2009

I can't quite get a variable to pass between buttons. The variable that I want to pass is totalNumbers and each time a different button is pressed its supposed to subtract a predefined number. Im getting three errors all to do with "Statement cannot appear inside a method body. End of method assumed." What I am trying to do is put a sub procedure inside a button that will be passed back and forth between my call statement and my private sub btnBegin.

[code]...

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Javascript: OnChange Not Firing?

Feb 21, 2011

I have a textbox that sets the onchange property but when i start typing in the textbox the onchange doesnt fire initially. it never fires whats going on?

Here is the code:
VB.NET
Dim textBoxUrlYoutube As New TextBox

[code].....

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Have A Column In The Datatable Called Amount And A Textbox Acting As The Filter Called Say Maxamount To Set It?

Feb 9, 2011

i was wondering if it possible to have a condition where lets say you have a column in the datatable called amount and a textbox acting as the filter called say maxamount to set it so the rowfilter when filtering the table will sum the number in the amount column until the number in maxamount is met, then stop and only return the rows where the total sum of the amount column is equal or less than the maxamount value, so i guess if the next row takes us over the maxamount it discards this row and returns the rows previous to it. is this possible using datagridview rowfilter or should i be loooking elsewhere to achieve this?

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Form Called FrmPracDetails Which Is Built Up With A List View Called LvwColProc

Aug 11, 2009

I have a form called FrmPracDetails which is built up with a List view called LvwColProc. Therefore when you click a field on the LvwColProc it takes you to another form called FrmColProcessing, here you can make changes to certain fields which are also present on FrmPracDetails. What I want to do is when you make changes on FrmColProcesing and Click the Save Button (which calls the Save function)the changes appear instantly on FrmPracDetails. Please note, FrmColProcessing will always be open next to FrmPracDetails. I have tried to put this code in the Save function present in FrmCol Processing as shown below, but it doesnt Refresh FrmPracDetails form. [code]

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OnChange Event For Textbox Control

Jun 9, 2011

I want that by using on changevent a calculation can be done in vb.net windosapplication. Suppose I had got some textbox like
totalamount(t) , amountpaid(ap), balancerefund(bf), amount due(ad),
If t > ap Then
bf textbox shows the amount
Else
ad textbox shows the amount
End If
How to this through an on change event

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VB Internet Explorer Onchange Event?

Mar 29, 2010

making a macro in excel that loads up internet explorer and fills out a form. I'm able to do all of that but i have a hard time to trigger a javascript onchange event that is triggered when a user manuallay types a number in the textbox and clicks outside the box.

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Properties - Default Property Set Being Called Mysteriously Called?

Apr 2, 2012

I have the following line of code in my program:

JCL_History.Enqueue(JCL_History(I))


This JCL_History object is basically a Generic.List encapsulated in a wrapper and has the following method:

Public Sub Enqueue(ByRef value As String)
If Members.Contains(value) Then
Me.RemoveAt(Members.IndexOf(value))

[Code].....

In my testing I have 2 items in this JCL_History list. When I call that first line of code I posted (the one that invokes Enqueue) with I = 1 I expect the first item to be shuffled to the bottom and the second item to be shuffled to the top.

After the thread returns from Enqueue I notice that this is exactly what happens to my list, HOWEVER if I hit the "step_in" button after the execution of Enqueue I go into the Default Property's set method where Index = 1 and value = and it screws everything up, because the item that got shuffled to the end (index 1) gets overwritten by the item value shuffled to the top.

So basically the set method on the default property is getting called at what I think to be a completely ridiculous time. What gives? By the way I'm running VS2005 on XP.

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How To Fire Listbox's ONCHANGE Event Programmatically

Sep 14, 2009

I am writing a VB.Net app that interacts with an Internet website via a browser control. Basically, my VB.Net app fills in some textboxes, makes a selection in a listbox (<SELECT> <OPTION>...</SELECT> construct), then hits submit.

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VS 2005 Disable DateTimePicker Onchange Function?

Sep 8, 2010

I have two datetime pickers that when changed call a function that validates the two dates and changes them as needed. This currently causes a loop where the function changes the dates on the datetime pickers that triggers the function again...

So I would like to disable the datetime pickers valuechagned function while the function runs then re-enable it after it makes the required changes.

Private Sub dtpStartDate_ValueChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles dtpStartDate.ValueChanged
subValidateDate()

[Code].....

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.net - ASP.NET: OnChange On Dynamically Created Textbox Inside UpdatePanel Fires Twice

Dec 15, 2011

I'm creating a number of textboxes, all calling a function during the onchange event to update their value to the database. These boxes are dynamically created in the backend because the data changes based on specific criteria that can be changed on the page. Here's the creation of the boxes:

Dim t as TableRow
tC = New TableCell
Dim txtBox As New TextBox

[Code]....

When I enter a number into the Textbox, the event fires as expected, but it fires twice.

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Bind ListView On Onchange Event Of Textbox (search Operation)

Jun 11, 2010

see i have a form in that i have following controls

.combobox
.textbox
.listview

the combobox contains all the column names of listview like docid,firstname,surname etc

when the form is loaded the listview is populated with some data from the database.

is there is anyway to autopopulate the listview control based on search term entered on the textbox.i heard about the "onchange event",but i'm not sure how it works .

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.net - SSRS Report Called From ReportViewer Control Displays No Data In The Report When Called With A Parameter

Apr 11, 2012

Can you look at my coding and let me know what I'm missing or doing wrong?I have a SSRS report that is called from a ReportViewer control and the ProcessingMode for this control is Remote. The report also has 1 parameter in it's DataSet.In the code I placed a MsgBox to make sure the code is finding the parameter and returning the parameter name. I am trying to stick the value of 10 into the parameter for playerID 10. Data for this player does exist.

I believe I need to add some more code to make this work but I'm not sure what else to add.

When the code executes the report is displayed but no data is shown in the report.

[Code]...

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Office Automation :: Called "Freemind" That Is Called A 'mind Mapping' Program?

May 13, 2010

I recently found an awesome tool called "Freemind" that is called a 'mind mapping' program. It's similar to MS Visio but way cooler and more automated.I reeeallly would like to integrate this into a VB.net Form, but how?

Has anyone seen or heard of mind mapping inside VB.net before? Are there programs out there already that work with VB.net or anyone have an example they have seen / built that works?

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Pick A Word In Combo Box A That Has Specific Words/phrases In Combo Box B Show?

Feb 24, 2009

i wanted to link options selected from Comb box A (general) to specific options in combo box B (specific). I want to pick a word in Combo box A that has specific words/phrases in Combo Box B show. But not all the words to show in the combo box B if they aren't associated with the Word picked in Combo Box A. Ex.When "Soda" is picked in A, only "Coke, Sprite, Fanta" should be visible in combo box b, not everything else.This is the code i used to make the boxes, but i don't know how to link them.

Private Sub MainForm_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
' fills the combo boxes with values
Me.xGeneralComboBox.Items.Add("Soda")
Me.xGeneralComboBox.Items.Add("Juice")

[code]....

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Use A Databound Combo Box To Display One Field In The Drop Down And Another As The Combo Box Text On Roll Up?

Feb 21, 2012

How to use a databound combo box to display one field in the drop down, and another as the combo box text on roll up? Using VS 2005... For example, I have a datatable that has 2 fields. One called "ShortDesc" and one called "LongDesc". I want to be able to see the "LongDesc" column values in the drop down on the combo box. When I make a selection, I want the text in the combo box to read the corresponding "ShortDesc" value.

[Code]...

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Object Null Combo - Error When Try To Populate Some Combo Boxes With A Value

Nov 16, 2011

I am getting an error when i try to populate some combo boxes with a value, the combo box has values in and the right amount the code is getting the right number.

the error msg is "Object reference not set to an instance of an object."

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One Combo Box Fills Another And Hits The Second Combo Box's Lost Focus Event?

Jun 7, 2012

Combo box 2 is filled based on a selection made in combo box 1 and a listview is populated based on the selection made in combo box 2.When the LostFocus event completes in combo box 1, it hits the LostFocus event in Combo Box 2 but it shouldn't. How do I prevent this from happening or if I can't prevent it, how do I work around it? The following is the code used.

Private Sub cboCategory_LostFocus(ByVal sender As Object, ByVal e As System.EventArgs) Handles cboCategory.LostFocus

[code].....

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Javascript - Change Values In Combo Box By Selection In First Combo Box?

Jan 12, 2012

I've got some code like the following. I want it so that when I chose an item in 'select 1' it changes the in the second combo box but I'm not sure of the best way to go about it. Does it have to be AJax or can it be done with just Javascript?

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>

[code].....

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Datagridview Combo Box - Set A Single Cell As A Combo Box?

Feb 13, 2009

is there a way to set a single cell as a combo box? it looks to me that you can only set the whole column.

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Forms :: Selected Item In Combo Box Will Not Appear In Another Combo Box?

May 27, 2011

how do i program by saying if a certain item is selected in a combo box then that item will not appear in a second combo box. i have this code for now but it does not work

[Code]...

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Programmatically Add Combo Box Items To A Combo Box In A Datagrid?

Mar 11, 2010

I know how to add the items during design time but how do you add the items through code. I want to fill the combo box in the datagrid with the results of an SQL query?

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Adds A New Row From A Source Table Called "objTablaOrigen" To A Final Table Called "objTablaDestino"?

Feb 26, 2007

My code Adds a New Row from a Source Table called "objTablaOrigen" To a final table called "objTablaDestino". This tables are passed ByRef because they come from a DataSet respectively. objRowNuevo is The Row that will be added to "objTablaDestino" The data from "objRow" is well copied to the "objRowNuevo" (that is the new Row with type of objTablaDestino).

'The problem occurs when the instruction Add is executed. ¿What happens? The new row is added as well, but this generates an Exception with the next message:

[Code]...

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Enable/Disable Combo Box From Another Combo Box?

Feb 7, 2011

I have a form with 8 combo boxes and would like to disble certain combo boxes, depending on what was selected in another combo box. The reason is so the user will not have a blank return on a query. The first form I created like this worked great, no issues. This form only allows one combo box (Number_of_Lightheads) to disable any others. Below is the code I have for this Form. why the other combo boxes will not disable the ones that are called out in the code?

Option Compare Database
Private Sub High_Def_AfterUpdate()
If Me.High_Def = Yes Then

[Code]....

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Selected Item In Combo Box Will Not Appear In Another Combo Box?

May 27, 2011

how do i program by saying if a certain item is selected in a combo box then that item will not appear in a second combo box i have this code for now but it does not work

j = 0
Do While j < cmbSession.Items.Count
If (j <> lesson) Then

[code].....

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.net Dll Called From Vb6?

Jul 13, 2011

in the .net dll (named "Calendar") I have a public class called clsCalendar that has several public properties and functions. In the Calendar project properties I have checked "Register for COM Interop" on the Compile tab. Also on the Application tab I clicked the "Assembly Information" button and selected "Make Assembly COM-Visible".

I have tried every tip/idea I can think of that I stumbled across such as running sn.exe and then in the Signing tab of Calendar properties checking "Sign the Assembly" and picking the .snk file created from running sn.exe.I have tried running "Regasm.exe" against my Calendar.tlb file with the /Codebase option. Nothing seems to work.When testing in a .net app, I needed to code as "new Calendar.clsCalendar" to get it to work. Our existing vb6 apps that need to call the dll simply say "new clsCalendar" and I can't change these apps.

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.net - Get Income Called Id?

Mar 10, 2011

I am developing Restaurant POS Application with home devliery module. Customer call to restaurant and give the order. so whenever customer calls comes i need to show the pop-up on my desktop application with particular customer information. Please guide me how to do this. I am using visual studio 2008 (vb.net)

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