C# - What Are The Possibilities Of Displaying Items In A Listbox
Jan 13, 2011
I've been trying to figure out for a long time now how to create an interface that can allows users to input several rows of data and pass those entries into an SQL server database all in one shot. I could not get any better ideas so I came up with this (see picture below).
What I envisioned is that the user enters values in the textboxes and hits the "add to list" button. The values are then populated in the list box below with the heading "exhibits lists" and when the add exhibit button is pressed, all values from the list box are passed into the database.
Well, I'm left wondering again if it would be possible to tie these values from the textboxes to the list box and whether I'd be able to pass them into the database.
how to go about it otherwise I'd be glad if you could recommend a better way for me to handle the situation otherwise I'd have to resolve to data entry one at a time.
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Mar 24, 2011
I need a program that lets me enter the name of an item to swap and adds it to an array list when a button Add is pressed.
Once the item is added to the array list a sub procedure should be called which displays the contents of the array list in a list box.
The system will also allow me to remove items from the array list and then the list box is updated.
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Oct 10, 2010
I'm moving itmes from one ASP.NET ListBox control to another ListBox control from client-side. It works on the client-side but when I tried to count items in destination ListBox on the server-side, it's always nothing. Below, is the jQuery code used to add/remove items from ListBox control.
[Code].....
I know that we can add/remove items from ListBox from server-side. But I'd like to get it done from client-side. Why there isn't anything in the destination ListBox when counting the items from the code-behind, eventhough the items are added from the client-side already.
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May 3, 2010
how to get the items in listbox one by one
e.g : in my listbox i have items (roll no's)
s1
s2
s3
s4
s5
etc...
how to get the items on by one
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Mar 24, 2011
I have XML file with the following structure:
<rule ID="16" Attribute="Savvy" Parametr="">
<body>
<term Operation="AND">
<IF_ID>8</IF_ID>
<Ratio>=</Ratio>
<IF_Value>impossible</IF_Value>
[code]...
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May 11, 2010
Controller:
public ActionResult Create(int id)
{
ViewData["ProductId"] = _repository.getLaborId(id);
ViewData["OperationOrderList"] = _repository.List<OperationOrder>();
return View();
}
[AcceptVerbs(HttpVerbs.Post)]
public ActionResult Create(OperationOrder operationOrder,OperationProduct operationProduct)
{
try
{
foreach (var R in ViewData["ProductId"]as SelectList)
{
_repository.Create<OperationProduct> (operationProduct);
}
_repository.Create<OperationOrder > (operationOrder);
return RedirectToAction("Index");
}
catch
{
return View();
}
}
View:
<%: Html.ListBox("ProductId")%>
Q:How can I save all itmes from listbox to another table, Have I use "foreach" to save ?
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Jun 29, 2010
if checkbox is clicked i need to select all items in the listbox in asp.net...
how to show the items all selected in listbox once the 'selectall' checkbox is clicked
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Feb 25, 2010
I have this C# code.j = myAccountDataset.Tables["AccountsTables"].Rows.Count;
for (i = 0; i <= (j - 1); i++ )
{
listAccountList.Items.Add(myAccountDataset.Tables[0].Rows[i][1]);
[code]...
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May 24, 2010
Hello Good Day,
I want to change the ItemTemplate of Repeater based on different queries on my database.
Scenario -
Say for example,
- First query returns EmployeeID, EmployeeName - In this case repeater should display both fields.
- Second query returns EmployeeID, EmployeeDOB, EmployeeMemo - In this case repeater should display all three fields.
However this cant be done if I set hardcore EVAL in the markup. So i need it to be Dynamic.
Possible Solution in my opinion -
I found one way, that is creating a dynamic Template and then assigning its fields during Item_DataBinding.
Question -
Is there any other simple method, other than creating a dynamic Template all from its scratch. Means let me say, I hardcore fields like
EmployeeID, EmployeeName, EmployeeDOB, EmployeeMemo in the MarkUp, but in case of first query it (Repeater) should neglect
EmployeeDOB, EmployeeMemo and in case of second query it should negect EmployeeName.
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Nov 23, 2010
This has got to be more simple than I'm making it. I want to generate a listbox with years for the values. It needs to be dynamic. It needs to list from 17 years ago to 25 years ago. This is what I have so far, I get the correct number of items in the listbox, but I don't get the correct value. They are all "1985".
<%
Dim y As Integer
Dim NextTime As Date = Now
Dim bday_yr As New ListItem()
y = 0
For y = 17 To 25
NextTime = DateAdd(DateInterval.Year, -y, System.DateTime.Now)
bday_yr.Value = NextTime.Year
bday_yr.Text = NextTime.Year
BirthYear.Items.Add(bday_yr)
Next
%>
<asp:DropDownList ID="BirthYear" runat="server">
</asp:DropDownList>
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Jan 26, 2010
I am moving an app from Silverlight back to ASP.NET. (Don't ask!) I really liked the ability to highlight ListBox items as the user moved the mouse over the items. I have been Bing'ing all morning and cannot seem to find any way to do this in ASP.NET with an ASP:ListBox. I tried setting the onmouseover event for the list items themselves. But that did nothing.
[Code]....
I then tried setting onmouseover event for the list itself. I can get the event, but I don't know how to determine which item I am over. I only seem to have the selectedIndex. If I am just moving the mouse, I have no selectedIndex.
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Feb 8, 2010
I am not able to give spaces between two items in list box. I tried with css- padding, but no luck.
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Jun 29, 2010
How to get all items from Listbox. i need to load all item from Listbox to my database. how to get collection of item and how to save it into databse.
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Jul 13, 2010
Can you append items to a listbox?
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Nov 16, 2010
I start building asp.net web site for my office. I have a listbox with province ID and name. How do i select all item on page_load?
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Nov 16, 2010
When I have multiple entries with the same id in a list box the selected index is always the first instance of the item. How do I get around this without modifying the id of the items in my list box so they are unique?
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Jan 18, 2011
I'm trying to populate 1000 ListItems in a ListBox.
how to do it. Currently only 100 items are being displayed even though I set the capacity of the ListBox to 1000.
Below is sort of how my code looks like. :)
listBox.Items.Capacity = 1000;
foreach(entity ent in enitityCollection)
{
ListItem listItem = new ListItem();
listItem.Value = ent.Id.ToString();
listItem.Text = ent.Name;
listBox.Items.Add(listItem);
}
entityCollection has 989 records in it.
Code does not generate any error. only that at the end of the loop I only get 100 items mapped to my ListBox.
Is this how the ListBox is designed for?
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Apr 11, 2010
Im Using asp .net with Vb Coding.
I have to remove the list of selected items from listbox .
Dim i As Integer
For i = 0 To listbox1.Items.Count - 1
listbox1.Items.Remove(listbox1.SelectedValue.ToString())
Next
My doubt is If i run the page again the listbox shows the items which i deleted already.
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May 1, 2010
I have a list box which is populated using a dictioanry. When I iterate throught the selected items using the following code, it always show only the first items as selected - even if the first item is not selected. Have you ever encountered this scenario? This problem occurs when I use dictionary for binding. On the other hand a generic list works fine.
private void PopulateListBox2()
{
List<string> subjectList = new List<string>();
subjectList.Add("Maths");
subjectList.Add("Science");
ListBox1.DataSource = subjectList;
ListBox1.DataBind();
}
Even it will work fine, if the values are unique. But in my scenario, the values are same; only key varies. The following works
private void PopulateListBox5()
{
Dictionary<string, string> resultDictionary = new Dictionary<string, string>();
resultDictionary.Add("Maths", "Lijo1");
resultDictionary.Add("Science", "Lijo2");
ListBox1.DataValueField = "Value";
ListBox1.DataTextField = "Key";
ListBox1.DataSource = resultDictionary;
ListBox1.DataBind();
}
The following code has the problem......................
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Mar 20, 2010
Im adding items to listbox by using jquery but when i look to the page source(html source) ,the items that I've added dont seen.Im adding items by this way
$("#<%=ListBox2.ClientID%>").append("<option value="+exampleValue+">"+exampleName+"</option>");
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Jan 27, 2010
I made a web part use ASP.NET. There are a listbox and two buttons on it. When you click the Button A, it would add a new item into the listbox.When clicking the Button B, it would postback the list items data. But when you click the button B, the number of listbox number becomes twice.
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Apr 1, 2011
I was following this sample but can't figure out how to add data to another column in the table at the same time:
Ex.
col#1 -id col#2 Employees col#3 Division
[URL]
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Dec 2, 2010
In my project asp.net (c#), I am using threading to process some messages. I have a display page that contain a listbox with all the actions that are taken in processing the message. And a class where I am processing the message.
Default.aspx:
protected void Page_Load(object sender, EventArgs e)
{
//starts the thread and call the method from Process.cs
}
[Code]....
But the listbox do not show nothing. Does anyone has any ideea where I'm wrong?
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Aug 17, 2010
txtquantity.text = lborderlist.Items.Count.ToString(); -> this codes adds how many you have input in the listbox, now i need to know the opposite..
how to remove items from a listbox but it should also counts the how many you have left in the listbox..
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Jan 24, 2011
I'm developping a website in ASP.Net + VB code behind.I have a listbox that fills with Names, I would like to reorder that list using "drag and drop" instead of a up/down button that causes postback.
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