Using 2 Drop Down Lists To Display Dress Size By Country Version?
Nov 20, 2010
I have a Dress Version Table with Colums UK, EU, USA.
Also a Dress Size table which has a VersionId Column corresponding to the Version Table
On my aspx, i have two drop down lists. DD1 is binded to an objectdatasource which
has a select Method to the DAL and retrives the 3 Verions.
DD2 has Get DressSize by Version Method with a Select Parameter which is the DD1 selected Value.
I have wrapped the above in an update panel and the full code is below.
This works but I wonder if there is a better way of doing this?? I also have a probem in that the Dropdowns are in a panel that is within a modal pop up extender. When the dropdowns post back the whole panel disappears. Not sure why??
Dress Size:
</p>
<asp:UpdatePanel ID="UpdatePanel2"
runat="server">
<ContentTemplate>
[Code]....
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[Code]....
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Sep 27, 2010
I've been trying to get this to work for weeks. I am trying to use a cascading drop down to populate drop down lists. The service method is working as i'm able to view the data in the browser but when i run the application the drop down list is empty. see below for the service method.
[Code]....
The code for the drop down list:
Location Name:<asp:DropDownList ID="DropDownList3" runat="server">
</asp:DropDownList>
<asp:CascadingDropDown ID="CascadingDropDown1" runat="server"
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//Event
[Code]...
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[Code]....
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[code]...
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how i would go about creating the following page.
http://www.lifetick.com/app/#/createAccount//
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[Code]....
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Apr 16, 2010
I have a series of GridViews in a Tab Panel - databound to a generic List of Business Objects. The columns in the Gridview are all similar to the following:
<asp:TemplateField HeaderText="Company" SortExpression="Company.ShortName">
<ItemTemplate>
<asp:Label ID="lblCompany" runat="server" Text='<%# Bind("Company.ShortName") %>'></asp:Label>
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.
I'm also trying to avoid javascript and would like this to be a 'pure' aspx/code-behind solution (for simplicity's sake among others).
All the examples I find are of Modal Popups with the panels pre-defined. Even if it (the popup panel) were something like a list of checkboxes, it could be databound to the SortedList I have ready to go and an OK/Cancel button combination to accept or ignore things. I'm just not sure of what goes where.
EDIT: Final solution looks as follows:
<asp:TemplateField HeaderText="Company" SortExpression="Company.ShortName">
<ItemTemplate>
<asp:Label ID="lblCompany" runat="server" Text='<%# Bind("Company.ShortName") %>'></asp:Label>
</ItemTemplate>
<EditItemTemplate>
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<div>
<asp:DropDownList ID="ddlCompany" runat="server" ></asp:DropDownList>
<br/>
<asp:ImageButton ID="btnOKCo" runat="server" ImageUrl="~/Images/greencheck.gif" OnCommand="PopupButton_Command" CommandName="SelectCO" />
<asp:ImageButton ID="btnCxlCo" runat="server" ImageUrl="~/Images/RedX.gif" />
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</asp:Panel>
<cc1:ModalPopupExtender ID="mpeCompany" runat="server"
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</asp:TemplateField>
And in the code-behind, lstIDLabor is the generic List of data lines (of which Company is one of the properties that is also a business object) that is bound to the GridView:
Sub PopupButton_Command(ByVal sender As Object, ByVal e As CommandEventArgs)
Dim intRow As Integer
Dim intVal As Integer
RestoreFromSessionVariables()
Select Case e.CommandName
Case "SelectCO"
intRow = grdIDCostLabor.EditIndex
Dim ddlCo As DropDownList = CType(grdIDCost.Rows(intRow).FindControl("ddlCompany"), DropDownList)
intVal = ddlCo.SelectedValue
lstIDLabor(intRow).CompanyID = intVal
lstIDLabor(intRow).Company = Company.Read(intVal)
Case Else
'
End Select
MakeSessionVariables()
BindGrids()
End Sub
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Aug 20, 2010
I am new to Ajax in general but I have a series of cascading drop down lists that are working fine. I'm using them on a form that I want to be able to either add a new row of data to the database or edit an existing one. I have the insert a new row working but editing an existing one is a bit trickier. The drop down lists are only part of the form but I would like to be able to query for a row id and set their values. Right now I'm querying for a row of data and populating the form with its values on page load and all of the fields work except for the drop down lists. I assume that this is because when the page is loading the web methods haven't run yet to populate the cascading drop downs. Therefore I can't set the selected value because there aren't any values yet. So therefore I'm pretty sure I need to do this from a web method so that it runs after the lists are populated or while the lists are populating but I don't know how.
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Aug 25, 2010
I'm using VWD with a database back end. I have a list of teams which are marked off by league, level, division, teamid and then using gridview for the list of players per teams.I've got the drop downs working correctly but running into a little snag and that is on the auto postback.When I only have one option come up in a list, i obviously don't change that list and thus it doesn't change the next drop down because there is no post back. is there a way to use a "header" value?
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Oct 5, 2010
using below code, I bind 2 drop down lists.
[Code]....
And using the below code, I pass the content of a cell of GridView selectedRow to those DopDownLists .
[Code]....
But there is an error when I try to change the selected value of ddlCity (Detail)...What shall I do ?
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Aug 9, 2010
I am using C#, Object Data Source, formview and a BLL. I have two drop down lists and two data sources. One populates the other. Drop down list #1 populates Drop Down list # 2 based on its selection . Drop down list # 1 is populated with DataSource #1. Forview is using DataSource #3 to send the ietms. When I add: SelectedValue='<%#Bind("Make_ID") %>', I get the error below:
Databinding methods such as Eval(), XPath(), and Bind() can only be used in the context of a databound control
I have seen a solution online but it is using LINQ and I am not familiar with it. I need to find the selected value of the drop down lists.
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Sep 20, 2010
If I have a the following model
[Code]....
And the following generic control template writer (which would have to be extended appropriately)
[Code]....
I would like to be able to add an attribute either builtin or something I create, such as
[Code]....
The generic template writer would then automatically create a Select box instead of a textbox for this item, and populate it with the list I have passed.
There may need to be another property set to have it write option boxes or radio buttons.
The question has two parts: (1) Is this an appropriate metaphor? and (2) Can you point me to an example that does this or to an appropriate metaphor.
What I want is a generic control writer that looks at the type of the object, writes the appropriate html, and a way to pass in external data for things like lists and enums.
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May 25, 2010
To any [compassionate] fellow coders:
I'm at Step 6 in the NerdDinner tutorial. It runs fine until I put in the code beginning in Step 6. I add...
ViewData["Countries"] = new SelectList(PhoneValidator.Countries, dinner.Country);
...in the DinnerController.cs file. I've already found where PhoneValidator.AllCountries should be PhoneValidator.Countries, so that's fixed. But when I run the app and select a country from the new dropdown list...
<p>
<label for="Country">Country:</label>
<%= Html.DropDownList("Country", ViewData["Countries"] as SelectList) %> [code]...
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