Web Forms :: How To Update More Than One Item Selecting From ListBox

Jan 4, 2011

How can I update the database with more than one item selected from the List Box. What I am currently doing updates only one item

objprp1.plugin_id = Convert.ToInt32(ListBox1.SelectedItem.Value);//passing the value(id) of the plugin thru the listbox property

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I have a asp:ListBox wrapped inside an asp:UpdatePanel. The list box contains Bus Codes. If I select AH, for example, and then scroll down to select XY, the listbox jumps back up to the top of the list instead of staying on XY. Listbox's autopost back is set to True. As I need to get selected values and then pass it to another web page to display a crystal report. The report web page is opened using JavaScript Window.Open and on page load of the web page that contains the listbox this JavaScript is added to a button. Is there a way I can stop my list box jumping back to the 1st item?

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Mar 11, 2011

In ASP.NET I have a dropdown with some items in it, I have a button and a textbox. I am subscribed to the SelectedIndexChanged event of the dropdown where I pass the new selected index of the dropdown to a struct that converts it's index (via enum) to a string. That string is then gotten through a property in a class to put into the textbox.

[Code]....

Now the problem I have is that, when you click it (the button) the first time, the action get's updated with the current action selected in the listbox, but then when you click the button again WITHOUT changing anything in the listbox, the textbox shows the zero'th item in the textbox, (seems to reset), although it actually hasn't changed at all.

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Is this normal? Is there an alternate, faster way of doing this?

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Feb 18, 2010

I've a list box which may contain 300000 or more records. I've another listbox . The user basically selects from the first listbox and adds to second lbx. There is button which when clicked will move the selected records from first listbox to second listbox.

Now if I select around 45000 records and try to move to second listbox .. it moves fine . If I select more than 45000 or so...it takes very long and eventually i get the "Action Cancelled". When I put a break point in page_init ..it does not hit. Is there a way I can restrict the user by selecting more than 40000 items. ie they should not be able to highlight more than 45000 records.

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Web Forms :: Selecting Multiple Items In Listbox?

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I have a dataTable that contains a specific column from a database. A listbox contains 100 list items in it. When page loads, I need those listbox items to be selected, whose value matches the value in the datacolumn of the datatable.

Following is the code i tried, but is not working. For some reason, it selects only the last item in the datacolumn.

if (datTableRelatedSchool.Rows.Count == 0)
{
}
else
{
foreach (DataRow row in datTableRelatedSchool.Rows)
{
foreach (DataColumn myCol in datTableRelatedSchool.Columns)
{
lstRelatedSchool.SelectedValue = row["RelatedSchoolPK"].ToString();
}
}
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Forms Data Controls :: ListBox, Array List / Update The Listbox Content?

Mar 26, 2011

I am designing a program that will let me enter the name of an item to swap and adds the swap 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 using a Remove button

followed by updating array list.

I have done some part which puts item into the listbox1 which i named lstSwapList.I would need some assistance on the Sub Procedure to display the Value or Description on the other listbox2 which i have also named lstContent,if a value is selected from the listbox1.

I would also want to know how to update the Listbox content,However i hv added a sample of the way i guess it may be.

Any complete solution from anybody on the Sub Procedure and the Update Swap procedure will be greately appreciated.

The script below is what i have done so far.

Partial Class _Default
Inherits System.Web.UI.Page
Protected Sub lstContent_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles lstContent.SelectedIndexChanged
End Sub
Protected Sub lstSwapList_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles lstSwapList.SelectedIndexChanged
End Sub
Protected Sub btnAddSwap_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnAddSwap.Click
Dim SwapValue As String = "Sixty Pounds"
Dim Counter As Integer = 8
Dim SwapN0 As Integer
lstSwapList.Items.Add(SwapValue)
lstSwapList.Items.Add(Counter)
lstSwapList.Items.Add(New ListItem("300", "1"))
lstSwapList.Items.Add(New ListItem("ASP.Net", "2"))
lstSwapList.Items.Add(New ListItem("Programming", "3"))
SwapN0 = lstSwapList.SelectedValue
For Counter = 0 To -1
SwapN0 = lstContent.Items.Count
Next
End Sub
Protected Sub btnDeleteSwap_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnDeleteSwap.Click
lstSwapList.Items.Remove(lstSwapList.SelectedValue)
End Sub
Protected Sub btnUpdateSwap_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnUpdateSwap.Click
End Sub
End Class

=======================================
Sub UpdateSwap(ByVal valueA As String, ByVal ValueBAs String, ByVal ValueC As Integer, ByVal ValueD As Date)

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[Code]...

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I have this ugly single line of code:

[Code]....

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here is the rest of the code:

<asp:DetailsView ID="DetailsView1" runat="server" AutoGenerateRows="False" DataKeyNames="ID" DataSourceID="SqlDataSource4"
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%>"SelectCommand="SELECT * FROM [Status]"></asp:SqlDataSource>
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[code]....

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[Code]....

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if any body select listbox then

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regarding this scenario..

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--Select--
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