Forms Data Controls :: Selecting Drop Down List Value From Griedview Selection?
Dec 30, 2010
i want to update data in my table..for which i want to select drop down list value automatically when i click on Select button in my griedview.my drop down list contains City names and that data is shown in griedview, so when i am clicking on select button on particular row in griedview i want to make that city selected in drop down list..my Dropdown list id is "drpCity" and griedview ID is "GrdCity"
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Mar 17, 2011
This is my first post as a newbie to asp.net.
I am in the process of creating a "news system", you can add, edit and delete news. The news items can be entered into the SQL database and you select a category where you want the news item to go into.
What I want is when someone comes to the "Edit" screen, they have a drop down list and what that does is allows you to select a category for you to edit news items from, so rather than at present having the "Edit" page display all the news items, I want people to be able to choose a category that they can edit news items in.
So far my edit page has a datagrid with the following code:
[code]....
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Mar 30, 2010
I have a drop down list that has the initials of about 12 of our sales guys.How can I make it so that when they select their initials from the list, the next drop down list only shows their customers.In my database there is a column for customer name and salesman.
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Jul 15, 2010
multiple selection drop down list for asp .net[ vs-2008] and its works in content page. most of the examples are not working in content page... i wanna implement in content page of master page.
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Feb 4, 2010
create multiselection Dropdownlist in asp.net 2.0 (I don't want use ajax or any other control) i need pure asp.net 2.0 program and c#.netValues are populated in DDL from Shared file location not from data base.After selecting the value in DDL (i e more than one value) based on the search condition it should display the value
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Dec 7, 2010
I am trying to set the item that is selected from a drop down list based on what it in the database for that particular record. I am filling the dropdown list with a SQL DataSource I have tried a couple of example that I have found for selecting the item in the list but I am always getting the first item in the list as the selected item. This is what I am currently working with:
Code:
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
If IsPostBack Then
Else
Dim ID = New Guid(Request.QueryString("ID"))
[code].....
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Jul 4, 2010
In my controller I generated a SelectList that I pass to the dropdown helper:<%= Html.DropDownList("abc123", Model.SomeList) %>I look at the querystring for a value, which is a ID.I then loop through all the items in the SelectList and if it is equal to the ID, I do:The controller action then passes this SelectList to the view and then to the Html helper.In debug mode I can see the value does get set to true, but the html renders without selecting the item.
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Oct 12, 2010
i have only one element in drop downlist so selection index change is not working. the datasource is given to run time. if it was on designing time i can give the select one list item. but at run time what should i do?
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Oct 3, 2010
i have a dropdown list
<asp:DropDownList ID="DDName" runat="server" AutoPostBack="True"
DataSourceID="sdsName" DataTextField="Name" DataValueField="name_ID"
Width="179px">
</asp:DropDownList>
the problem that it is not causing post back on the first selection but on the second, I mean if i select from drop down list first selection no post back on the server,but when i select another item from the list (the second click on a different list item )
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Oct 6, 2010
I have 2 dropdownlists, the second (department) cascades from the first (division). I use a jquery script to update the second drop down list. When the user clicks submit, the underlying model is updated, apart from the new value for department. 2 ideas I have for fixing this are; a) Generate a postback. Prefer not to do this because of bad user experience. b) With a JQuery change event, make a call to server side and set a ViewData variable that I can use to update the field in the model later.
However there must be a better way. This is the view;
<%@ Page Title="" Language="C#" MasterPageFile="~/Views/Shared/AdminAccounts.master"
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Jun 24, 2010
I have drop down list box that I would like to show two columns, is this possible? Or can it be done with a list box?The query correctly retrieves all of the table data to be displayed, one colum is an abbreviation, the other a bit longer description.
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Mar 24, 2011
I have written a code that populates data from database into the tree using C# and is working perfectly , the thing is how can i populate the tree based on a selection from a drop down menu
the code to populate the tree is below :
[code]....
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Dec 1, 2010
I am currently building a web site and I utilize cascading drop down lists. I am having difficulty clearing two of my drop downs. The application is utilizing Visual Basis. Here is what I found through my research but they are not resetting my drop downs after a post back:
cascadingDropDown1.SelectedValue = Nothing
cascadingDropDown1.SelectedValue = ""
I am stumped on this on and have spent several hours researching this. If anyone has a possible solution I would be greatful.
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Dec 15, 2010
How to change the colour of particular row in data Grid view based on drop down selection.
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Oct 7, 2010
Here is my asp and the code behind code. When I click edit and enter a new weight value, the system does not maintain that value, but displays back the original one (if I press enter I see that happening or through debug).
What am I missing?
protected SqlDataSource GetSqlDataSource()
{
SqlDataSource dsL = new SqlDataSource();
dsL.ID = "ds1";
// You can use this utility class to get the connection string
dsL.ConnectionString = DBUtility.GetConnectionString();........
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Aug 23, 2010
I have gried view and add 3 buttons. Insert, update and delete and they show but on the left side. I want to be on the right. How to make it happen?here's my code:
<asp:GridView ID="GridView1" runat="server"
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Nov 25, 2010
when i am selecting an item in dropdown list datasource is bind and after another selection it is bind again .but i want it bind only once.
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Aug 24, 2010
I wanted to populate the dropdown list when selecting the edit button based on the officeid from the gridview.
My code:
<
asp:GridView
ID="gridassignserv"
runat="server"
[Code]....
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Jul 22, 2010
how to fix the height and width of the griedview to have only a scroll to records.
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Feb 19, 2010
I want to rewrite url when the griedview page Index change
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Oct 5, 2010
I have a problem with binding a DropDownList. Let's assume a database five years old with many historical records. In order to enable just working with active data every datasource has a column hidden which is occasionally set by administrator in order to clean up old records. The selection looks like
1) SELECT Id, Value FROM Table WHERE Hidden = 0
The issue arises when the user opens a form with old data. As some records in DropDownListhave have already been hidden an exception is raised as the component cannot find the data for the list. For this case the following selection is valid
2) SELECT Id, Value FROM Table
it is possible to combine these two selection queries? The display value should always use query 2 while the listed values should use the query 1.
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Oct 27, 2010
when i am using dropdownlistin asp.net when i amselect the value from the list it cannot that the selected value but it can take only the first value of list.
How can i select the value in the dropdownlist.
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Jul 9, 2010
I have a gridview with a drop down list. When I do the update I try to get the value from the drop down list, but I get an error saying that the drop down list control 'ddlType' can't be found.
Here's the code.
[Code]....
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Jul 5, 2010
I have a list box in a list view control. I want to access the value of the listbox. I have fixed the height of the list box and the box has scroll bars. If i change the number using the scrollbar and then click on the number (turning it blue) everthing works fine. If I simply change the number using the scrollbar the system throws the error below. Can anyone tell me how to get this to work simply by using the scrollbar to select the number (without having to also click on the number itself) This is the error that is thrown
[FormatException: ??????????????????]
Microsoft.VisualBasic.CompilerServices.Conversions.ParseDouble(String Value, NumberFormatInfo NumberFormat)
+201
Microsoft.VisualBasic.CompilerServices.Conversions.ToInteger(String Value) +66
[InvalidCastException: String "" ??? 'Integer' ??????????]
This is the aspx listbox
<td><asp:label id="Label1" runat="server" text='<%# eval("CustomerID") %>'></asp:label></td>
<td><asp:label id="label2" runat="server" text='<%# eval("ProductID") %>'></asp:label></td>
<td>
<asp:ListBox ID="ListBox1" runat="server" Height="30px">
<asp:ListItem Value="0">0</asp:ListItem>
<asp:ListItem Value="1">1</asp:ListItem>
<asp:ListItem Value="2">2</asp:ListItem>
<asp:ListItem Value="3">3</asp:ListItem>
</asp:ListBox>
</td>
<td>$<asp:label id="label4" runat="server" text='<%# eval("OrderDate") %>'></asp:label></td>
<td>
<asp:Button ID="Button1" runat="server" Text="order" CommandName="cart"
CommandArgument='<%# eval("CustomerID")%>'/></td>
This is the vb page
Partial Class Droplist
Inherits System.Web.UI.Page
Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
If Not Page.IsPostBack Then
Dim db As New DataClassesDataContext
ListView1.DataSource = db.Droplist1
ListView1.DataBind()
End If
End Sub
Sub upload(ByVal sender As Object, ByVal e As ListViewCommandEventArgs)
If e.CommandName = "cart" Then
Dim q As ListBox = e.Item.FindControl("Listbox1")
Dim ProductNumber As Integer = CType(q.SelectedValue, Integer)
Label3.Text = ProductNumber
End If
End Sub
End Class
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Dec 30, 2010
In this code you can see the select statement that the customers are selected for display to the user. Order by is at least being used to disply in name order. but this example here is one of several similar dropdowns. I would like that if they picked one customer then the next view show should be the same customer
<
order by customername
"
asp:SqlDataSource
ID="Customers"
runat="server"
ConnectionString="<%$
ConnectionStrings:SecurityDB_20101025ConnectionString %>"
SelectCommand="SELECT
* FROM [Customers] WHERE ([CustomerId] = ISNULL(@CustomerId, '') OR @IsSuperAdmin = 1 )
>
[code]...
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