Adding To Listview Inside Tab Control Without Knowing The Name
Sep 23, 2011
I have a tab control, that the user can add/remove tabs as they please. It is an inventory manager, and the tabs are the departments. Everytime a user adds a department, a new listview is cloned and added to the page. Upon form load, i need it to go through the tab pages, and query the database for items matching the department their in. In other words, if the Department column in the inventory database, matches the Tab Pages text, add it to the listview inside that particular page. I've tried several things, but they all end up buggy. Either it adds them all to the first listview, or it skips every other page, or worse - doesn't add anything at all. Here is the code I have, could anyone help me figure out how to:
Cycle through the pages, if any of the DB's rows Department column matches the tab page text, add it to the listview inside that tab page, then move to the next tab page, and cycle through the DB again. Here is my code, a decent start I believe.
Sub FillList()
Dim incs As Integer
Dim inc As Integer
Dim lst As ListView
[CODE]...
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Feb 12, 2011
I have an asp.net usercontrol which represents a "popup" dialog. Basically, it's a wrapper for the jQuery UI dialog which can be subclassed to easily make dialogs. As part of this control, I need to inject a div into the page the control is used on, either at the very top or very bottom of the form so that when the popup is instantiated, it's parent is changed to this div. This allows "nested" popups without the child popup being trapped inside the parent popup.
The trouble is, I can't find a safe way to inject this div into the page. A usercontrol doesn't have a preinit event, so I can't do it there, and calling Page.Form.Controls.Add(...) in Init, Load or PreRender causes the standard exception "The control collection cannot be modified during DataBind, Init, Load, PreRender or Unload phases."
I thought I had found a solution by using. ScriptManager.RegisterClientScriptBlock(Page, Me.GetType, UniqueID + "_Dialog_Div", containerDiv, False) which seemed to work well normally, but recently a coworker tried putting an UpdatePanel inside the dialog and now she's getting the error "The script tag registered for type 'ASP.controls_order_viewzips_ascx' and key 'ctl00$ContentBody$OViewZips_Dialog_Div' has invalid characters outside of the script tags: . Only properly formatted script tags can be registered."
How are you supposed to add controls to the pages control collection from inside a user control?
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Jan 12, 2010
[code]Now ifrm.document will refer to the parent document.So what is the document INSIDE ifrm?
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Jul 26, 2011
Getting value of a PasswordBox that's inside a ListView [code]...
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May 14, 2011
I have a tab control in my form and inside it I put a listview. What I wanted to do is populate the listview everytime I clicked on each tab. But I don't know how to do it.
Here is the bit of my code
Public Class Form2
Private Sub PopulateRecords()
Dim TSR As New ADODB.Recordset
Dim STRSQL As String = ""
[code]....
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Mar 8, 2010
I've made a user control and have added some internal labels inside it. In the User control class I'm trying to handle the mouse events so that: When the mouse enters the User-Control the background of the User-Control turns white - using MouseEnter event. When the mouse leaves the User-Control the background of the User-Control turns grey - using MouseLeave event. However as soon as I move the mouse over the internal labels it triggers the MouseLeave event. I don't want it to do that, because the mouse hasn't left the bounds of the User-Control! So, how do I get it to not trigger the MouseLeave event when the mouse is still internal to the User-Control?
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May 8, 2011
i have to list views A,and B listview B is inside listview A. i want to pass some parameters from Listview A to Listview B's ObjectDataSource.
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Mar 1, 2010
I want to create a listview type user control which'll have a picturebox and a label inside each item. Is that possible?
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Jun 3, 2011
I need to be able to add items to a ListView Control and to additionally add a label as well. I have included an image to serve as a reference. This is for an application I am building for a handheld device.
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Oct 20, 2009
The following code will display items in the listview control when For Each strElementToSearch As String In fruitArray loops once using the string strTheses1 however when it loops again using the string strTR1 it will replace the items from the first loop. In another words I want to keep adding items to the ListView control. [Code]
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Nov 16, 2009
I am very new to Visual Basic, and I need to add items from my database to the ListView control. I have a table in the database called tblChannels that I would like to draw the information from and populate the ListView control in VB, in the form of a column. I currently am unsure about how to go about doing this. Previously I have created combo boxes that draw the information from the database, but trying this method for the ListView does not work how I want it to.
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Jan 15, 2011
I would like to refer to a control but i do not know its number but i do know that it is a ComboBox. I was told to use this
Me.Controls("ComboBox" & 1 + i).Text
Which would get the text property of the i +1 ComboBox. However when run this I get an ullReferenceException was unhandled error. What an I doing wrong?
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Oct 5, 2011
adding a "NumberUpDown" control to a ListBox, ListView or DataGridView column (multiple-rows) corresponding to other adjacent columns?
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Apr 30, 2012
I am making an invoicing application. I have a label (lblCost) inside of a UserControl (InvoiceEntry) inside of a FlowLayoutPanel (pnlEntries). InvoiceEntry represents a line item on the invoice, and pnlEntries is the "body" of the invoice. pnlEntries can hold several InvoiceEntry controls.
I am attempting to sum all of the lblCost values from each InvoiceEntry control to make a subtotal, and I want that subtotal to change automatically if costs are changed (e.g., a change in quantities being ordered). Is there a way to handle when the lblCost.Text property of any of the InvoiceEntry controls contained within pnlEntries changes?
InvoiceAdd.vb:
' Instantiate objects of the various database interaction classes.
Private mCustomer As New Customers
Private mItem As New Items
[code]....
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Sep 2, 2011
I am trying to make a listview custom control based on the standard listview control that will allow me to drag a column header outside the standard listview control and drop it on a panel. I plan to use the drop event to determine which column I should group by view on.
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Apr 10, 2010
I would like to know if there is some simple code to release a child control from it's parent control, without having to name the parent control. In pseudocode, I'm looking for something like this:
[Code]...
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Oct 12, 2011
I have a listview "CategoriesList" and i have a repeater "NewsRepeater" inside the listview "CategoriesList"
<asp:ListView ID="CategoriesList" runat="server" DataKeyNames="CatID" DataSourceID="CategoriesListODS"
EnableModelValidation="True">
[Code]....
how to pass the catID from the listview and make it as SelectParameters in ObjectDataSource "NewsRepeaterODS"?
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Oct 27, 2011
I have a DataList inside another DataList. I want to access the child DataList "dlQuestion" events, ItemDataBound event. Also, I'm tring to find the control LableControl "lblQuestion" in the child datalist. How do I do that? Here's the mark-up:
<asp:DataList ID="dlSection" runat="server" Width="100%">
<ItemTemplate>
<div>
[code].....
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Jul 29, 2009
I've created my own ascx control with button inside it. Now I'm using this control inside other control. (In my case it is a webpart). What I would like to do is program button.click logic from my custom control inside webpart
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Jan 10, 2010
I am trying to add up numbers in a listbox.I know how to add them up and make them display on a messagebox but what I cant do is add the numbers in one listbox and then add the numbers in another listbox and subtract the total of the numbers from 2nd listbox from the total of the 1st BUT instead of displaying them on a message box how would I output those results into a label?This is the code I have for outputting the totals of a listbox onto a message box:
------------
Dim intTotal As Integer = 0 'Running
Dim intX As Integer = 0 ' Index Position
For intX = 0 To lstDebitsBalance.Items.Count - 1
[code]....
btw the name of the second listbox I want to sum up is lstCreditsBalance
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Jul 26, 2011
I have a ListView that has 3 GridViewColumns and about 10 items. The third GridViewColumn's content is:
<GridViewColumn.CellTemplate>
<DataTemplate>
<PasswordBox Width="200" Name="pbPass" />[code].....
how to get the value of pbPass for say ListViewItem no 3?
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Jul 29, 2010
I have 3 forms, one frmMain - main form, second is frmUserType- childform, and the last frmCreateUserType. In the main form I have a menu item to open my frmUserType, In this form I have a button to open another form which is my frmCreateUserType, In this form I have a button to add records then update the listview in frmUserType. The problem is the listview will not access with my add button control in frmCreateUserType. I tried not to used mdiparent declaration for my frmMain and frmUserType as children and it works, so meaning that the problem is showing my frmUserType as childform?I am using vb.net 2008
Code to open my second form (frmUserType)
[CODE]...........
Code for my add button to update the listview in frmUserType
[CODE]...........
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Mar 3, 2010
i am making a table through vb.net code (htmltablecell, htmltablerow..) no this table populates with an sql query and works perfectly. but inside this table in one tablecell, i need to add a dropdownlist which shall require a completely differernt query and shall run on its own on each row. so the code is as follows
Sql = "..."
rd = ExecuteReader(SqlCnn, Sql)
Dim newcounter As Integer = 0
While rd.Read()
[code]....
the ??? in the code is where the dropdownlist shall get populated each time with its own datareader and while loop and query.
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May 19, 2009
I have an enum that I want to give some methods. I thought about changing the enum to a structure so I could add properties, but then the enum is a value inside the structure (not the structure itself), so this would affect comparisons and such. (For example, instead of writing
EnumVariable=EnumConstant,
Now it is
StructureVariable.EnumValue=EnumConstant).
At least, this is my understanding of it. It seems awkward to have to do this for such a simple scenario, so is it possible give enums properties, yet still have them treated as before? I've thought maybe I need to create a new valuetype from scratch, but I've never done that before.
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Dec 2, 2011
I have this simplified code:
<asp:ListView ID="ListView1" runat="server" DataSourceID="sqldatasource1">
<ItemTemplate>
<asp:Button ID="ButtonTest" runat="server" BackColor="Silver" Text="Add to Cart" />
</ItemTemplate>
</asp:ListView>
I am trying to run some code behind the button but I don't know how. I can't access it within the listview. Not that this is important, but im trying to get information from the current listview(the product ID) and pass it to the next page.
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Oct 27, 2011
I have a DataList (Question) inside the ListView (Section). ListiView is to hold the sections. DataList holds the questions of a section. Let's say I have 3 sections, each section has 2 questions.
<asp:ListView ID="lvSection" runat="server">
<LayoutTemplate>
<div id="itemPlaceholder" runat="server" />
[code]....
But it does not get anything back, question always gets nohting. I think it's because there are 3 DataList inside the ListView now, due to 3 sections, and it cannot find DataList dlQuestion anymore. How do I access these DataLists of ListView from the code behind? I need to loop through each control of the DataList .
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Mar 15, 2012
I'm using ListView control, with SmallIcons style in VB.NET. Icons are loaded fine, but when I start to scroll ListView down or up from scrollbar (clicking from arrows), rowheight drops to about half from normal in next 20-30 rows below/above upper/bottom row (depends from the scrolling position). After 1-2 seconds, ListView is "refreshed" and scrolling continues normally. When focus in on the ListView and I'm moving up/down with arrow keys or PageUp/PageDown, everything is normal. Any suggestions, what is happening? SmallIcons size is 16 * 16. Is it compulsory to set "Blank icon" with SmallIcon size to all rows, when adding them or what? Wasn't like that in VB6, how is it in VB.NET?
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Sep 22, 2009
I have a vb-2008 program that contains a (listview) control.
View = details
AllowColumnReorder = true
Lets say the table has 3 columns (a,b,c) and 1 row of data.
a b c
1 2 3
I want the user to be able to re-arrange the columns (by dragging the column headers) before printing the contents of the table.
c a b
3 1 2
Statements like:
.. ListViewX.Columns(2).Text
.. ListViewX.Columns.Item(2).Text
.. ListViewX.Items(0).SubItems(2).ToString
Give the column-name (c) and cell-contents (3) of the origional table .. not the (3rd) column (b) of the re-arranged table.
How can i get the column-name and cell-contents of the (3rd) column of the re-arranged table?
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Jun 1, 2011
if I have the following vb code,
for i = 0 to dTable.Rows(i).Count -1
Dim sql As String = ""
Dim strConn As String = ConnString
[Code]....
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Nov 8, 2010
I have tried this but it does not work:
[Code]...
What is the solution?
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