Populating A Dropdown List Based On Value Selected In Previous List (mvc3)

Mar 18, 2011

I'm trying to progam a strongly typed "Create" view using MVC 3 and razor. I want the user to be able to select a customer from a dropdown list (I populated this from my database using ViewBag in the controller). When the user has selected a customer I want a separate dropdown list to generate a list of dogs belonging to that customer related by the customerID in the database. The create button on the form will then take both of these values along with the the other fields and save it to the database.



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Populating Dropdown List With Previous Dates?

Mar 2, 2009

I have to populate 1st drop down list with today's date and 100 dates prior to today. I am trying to use adddays method but in reverse order. With adddays I have today's date and next 100 dates. This code doesn't work:

Dim i
As
Integer
For i = 1
To 100
DropDownList1.Items.Add(date.today.AddDays(i-1))
Next i

The 2nd dropdown should read date selected from 1st dropdown and then populate 2nd dropdown list with 7 days preceeding the selected date.

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AJAX :: Display Cascading Dropdown List Based On Checkbox List Selected Value

Nov 10, 2010

How can i generate dropdown lists based on what has been selected in the checckbox list. Below is an example of what i need. if the user selects the options day, lotID and waferID, then 3 cascading dropdown lists should be displayed. And then a gridview displays data based on what has been chosen in the dropdown lists.

Day
LotID
SlotID
WaferID
VendorID
ToolID
LocationDetected
ProcessStep
Stage
Precipe
WaferStartMaterial
WaferStartVendor
WaferStartLot
WaferDiameterCOA
WaferMapTitle
BreakPoint
BreakpointSide
BreakpointMeasurement

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C# - How To Disable Dropdown List Value In The Current Form That Was Selected In The Previous Page

Aug 27, 2010

I am having 2 web formsand will have a drop down list on those web forms. If i select a value from drop down and click on ok i will get tranfer to next page. In that page i will have a drop down with the same values in the previous form . What i need is i would like to disable the selected value in the previos form and would like to display the remaining normal

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Web Forms :: Populating Text Boxes Based On Dropdown List Selection From Stored Procedure?

Aug 26, 2009

I have a drop down list being populated from a stored procedure. The drop down list contains job titles and there are text boxes that I need to populate with the corresponding pay structures based on the selection from the drop down list. Those pay structure values are also located in my database. Something tells me that I will need a second stored procedure to accomplish this.

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Web Forms :: How To Disable Dropdown List Value In The Current Form That Was Selected In The Previous Page

Aug 27, 2010

I am having 2 web formsand will have a drop down list on those web forms. If i select a value from drop down and click on ok i will get tranfer to next page. In that page i will have a drop down with the same values in the previous form . What i need is i would like to disable the selected value in the previos form and would like to display the remaining normal.

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AJAX :: Open Modelpopup Window Based On Value Selected In Dropdown List?

May 27, 2010

Is there a way to open modelpopup window based on value seleted in dropdown list? I want to open a window when Urgent is selected in the dropdown list=!!!!

here is the code for ModalPopupExtender:

<ajaxToolkit:ModalPopupExtender ID="ModalPopupExtender1" runat="server"
TargetControlID="DropDownList1"
PopupControlID="Panel1"
BackgroundCssClass="modalBackground"

[Code]....

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Forms Data Controls :: Display A Popup Comment Box Based A Selected Value From A Dropdown List Control?

Nov 23, 2009

How can I display a popup combo box or make visible a comment box if i select the value other form a visual studio drop down list. The drop down list control is within FormView1. I am using visual studio 2005.

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Web Forms :: Clicking The Label Of A Dropdown List - Resets The Selected Value To The First Item In The List?

Feb 17, 2010

Clicking the label of a drop down list, re-sets the selected value to the first item in the list. This has a history of causing data entry problems when users accidently click on the label.

In the below example ddlContactType has a selected value as 'PRIMARY' and whenever i click on the lblContactType Text, the dropdown box Selected value is changing to "Select One" Text.

How to prevent this one. It should be on PRIMARY Only.

<p>
<tr> <td ><asp:Label ID="lblContactType" Font-Bold="true" Text="Contract Type: *" ForeColor= "red" runat="server" AssociatedControlID="ddlContactType"></asp:Label> </td> <td > <asp:DropDownList runat="server" ID="ddlContactType" DataSourceID="SqlDataSource2" AppendDataBoundItems="true"
DataTextField="TYPE" DataValueField="ID" SelectedValue='<%# Bind("CONTACT_TYPE_ID") %>'>
<asp:ListItem Text="Select One" Value="0" Selected="True"></asp:ListItem>.......

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Web Forms :: Dropdown List Not Populating

Sep 17, 2009

Dropdown list not populating

[Code]....

[Code]....

[Code]....

CodeBehind:

[Code]....

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Populating A DropDown List With Multiple Items?

Apr 30, 2010

I am running into some additional difficulties with dropdown lists, and I'm hoping you can correct my thinking.

I have a table populated with items; ITEM_ID, ITEM_NAME, ITEM_COST.

Here is my code:

[Code]....

With this code I get this error: DataBinding: 'ITEM' does not contain a property with the name '2'.

If I remove the assignment of DataSource to c1, the dropdown generates this error: 'DropDownList3' has a SelectedValue which is invalid because it does not exist in the list of items.

Parameter name: value

How should I code this so that the user is presented with a list of ITEM_NAMES, and that the ITEM_ID is stored in the value field so I can use it when the selection event is fired? I know I could databind the source directly to the dropdown list, but I am trying to understand the behind the scenes working of a dropdown list object.

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C# - Populating Dropdown List With Enum Using Reflection?

Mar 29, 2011

I am populating a page with controls reading properties of a class using reflection. If the property type is 'String' I will add a text-box. If the property type is enum I am adding a dropdownlist. Now I have to populate the dropdown options with enums. How can this be done?

Both the enum definition class(Assignment) and the class(classOne) using which I am populating the page with controls are in the same Namespace(MySolution.Data). While looping through classOne properties when the property name is 'SkillLevel' I will have to go to assignment class get the members of enum SkillLevelEnum and populate the dropdown.

Same needs to be done for other dropdowns also.

My Code:

namespace MySolution.Data
{
public class classOne : MyAdapter
{
private string _Model;

[code]....

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Populating DropDown List / How To Populate With Values From A Table

Jun 25, 2009

I have a DropDownList called "ddlCountry" that I need to populate with values from a table. Normally I would just push the recordset's "countryName" field into an array and useddlCountry.DataBind to populate it with the array.

resulting in something like this:

[Code]....

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Web Forms :: Populating Dropdown List To Show Many Integers

Mar 19, 2010

I want to populate a Dropdown list from divisons of a figure in my projects database

for example database figure 50

I want the dropdown list to show 5,10,15,20,25,30,35,40,45,50

The database figure wont always be the same.

how would i go about doing this ? esp the populating of the dropdown list itself based on the way i want to show it.

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Update Panel - Populating Dropdown List From Database

Mar 25, 2011

I have a ASP.NET AJAX Autocomplete Textbox and Two other dropdownlist in a Update Panel. On selection of an item in Autocomplete Textbox, I want to populate Dropdown list from Database.

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Web Forms :: Dropdown List With Previous Month?

Jan 5, 2011

I have a dropdown list for last months reports. the following is the code:

[Code]....

But this month as of Jan 2011, the dropdown list for the month shows December, but the year is current, i.e. 2011;

guide me how can i accomplish this.

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Web Forms :: Populating A Text Box With Data From DropDown List On Page Load?

Mar 9, 2011

I have a dropdown control that has a list of names in it called PlayerNameDropDownList_Insert and a textBox called PlayerName.

When I select a name from the dropdown it populates the textbox correctly.However, when the page opens the first name is selected in the dropdown but nothing in the textbox. How can I get the textbox to populate with the value of the dropdown at pageload?

[Code]....

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Web Forms :: DropDown List Not Populating When Text Changes In The Textbox Its Query Fires Off

Sep 14, 2009

I have a query that ties into two other controls (2 textboxes) -- this query is used to populate one of my drop down lists to show the amount of vendors a certain company has -- the query allows me to do a search (based off of the company's name (which i get from textbox1) and then search criteria which I get from searchbox 2. Its not reading from searchbox2 when i put my search criteria in and i was wondering how i could get it to populate correctly.

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Web Forms :: Dropdown Selection Based On Other Dropdown List For State, City, Zipcode?

Dec 3, 2009

I got a qq. I have 3 Dropdownlists.State,city, zipcode. I will be loading state from stored proc. For City I will be loading based on State from stored proc. For zipcode I will be loading on State, city from stored proc. When I am selecting state I am getting city list in city dropdown. But I am loosing the values from state dropdown list.i want to show selected state value in dropdownlist.Why its become empty. I will be loading zipcodes based on State & City. Why I am loosing the state values.??Can you suggest me... I copied my code below.

[Code]....

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JQGrid Inline Editing - Filter Subcategory Dropdown List Based On Another Category Dropdown

Jul 9, 2010

I have a category and a subcategory column in a Jqgrid. I have enabled inline editing, both category and subcategory are dropdownlists columns (edittype:'select'). I need to filter the subcategory list based on the selected category. I wonder how can I acheive this functionlity? I tried the below event but its not working for me

afterEditCell: function(rowid, celname, value, iRow, iCol) {
//to do here
}

the above event doesn't get fired. my all column are editable

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Forms Data Controls :: 2 Dropdown List / "Displaying A Dropdown List Of Categories With A --None -- Option?

Oct 10, 2010

I am stuck at this point "Displaying a dropdown list of Categories with a --None -- Option. I want the gridview control to display 2 dropdown list one in read-only mode and the other in edit mode. When a record is in read-only mode, the dropdownlist's enabled property will be set to false."When it's on a read-only mode, it doesn't display the selected Category. it shows but the "No Category". When i click on edit to edit or change category, it doesn't display the selected category.

The example is given below( I am reading the book Sams Teach yourself ASP.NET 2.0 by Scott Mitchell. page 628)

<asp:Label ID="UserIdValue" runat="server" Visible="False"></asp:Label>
<asp:SqlDataSource ID="picturesDataSource" runat="server"
ConnectionString="<%$ ConnectionStrings:ConnectionString %>"
SelectCommand="SELECT * FROM [Pictures] WHERE ([UserId] = @UserId) ORDER BY [UploadedOn] DESC"
DeleteCommand="DELETE FROM [Pictures] WHERE [PictureID] = @PictureID"
InsertCommand="INSERT INTO [Pictures] ([UserId], [CategoryID], [Title], [Description], [UploadedOn]) VALUES (@UserId, @CategoryID, @Title, @Description, @UploadedOn)"
UpdateCommand="UPDATE [Pictures] SET [UserId] = @UserId, [CategoryID] = @CategoryID, [Title] = @Title, [Description] = @Description, [UploadedOn] = @UploadedOn WHERE [PictureID] = @PictureID">
<DeleteParameters>
<asp:Parameter Name="PictureID" Type="Int32" />
</DeleteParameters>
<InsertParameters>
<asp:Parameter Name="UserId" />
<asp:Parameter Name="CategoryID" Type="Int32" />
<asp:Parameter Name="Title" Type="String" />
<asp:Parameter Name="Description" Type="String" />
<asp:Parameter Name="UploadedOn" Type="DateTime" />
</InsertParameters>
<SelectParameters>
<asp:ControlParameter ControlID="UserIdValue" Name="UserId" PropertyName="Text"/>
</SelectParameters>
<UpdateParameters>
<asp:Parameter Name="UserId"/>
<asp:Parameter Name="CategoryID" Type="Int32" />
<asp:Parameter Name="Title" Type="String" />
<asp:Parameter Name="Description" Type="String" />
<asp:Parameter Name="UploadedOn" Type="DateTime" />
<asp:Parameter Name="PictureID" Type="Int32" />
</UpdateParameters>
</asp:SqlDataSource>
<br />
<asp:SqlDataSource ID="categoriesDataSource" runat="server"
ConnectionString="<%$ ConnectionStrings:ConnectionString %>"
SelectCommand="SELECT [CategoryID], [Name] FROM [Categories] WHERE ([UserId] = @UserId)">
<SelectParameters>
<asp:ControlParameter ControlID="UserIdValue" Name="UserId" PropertyName="Text" />
</SelectParameters>
</asp:SqlDataSource>
<br />
<asp:SqlDataSource ID="maxPictureIDDataSource" runat="server"
ConnectionString="<%$ ConnectionStrings:ConnectionString %>" SelectCommand="SELECT MAX(PictureID)
FROM Pictures
WHERE UserId = @UserId">
<SelectParameters>
<asp:ControlParameter ControlID="UserIdValue" Name="UserId"
PropertyName="Text" />
</SelectParameters>
</asp:SqlDataSource>
<br />
<asp:Label ID="cannotUploadImageMessage" runat="server"
Text="The photo could not be added to your album either because you did not specify a file to upload or the file specified was not a JPEG image with the file extension .JPG"></asp:Label>
<br />
<asp:DetailsView ID="dvPictureInsert" runat="server"
DataSourceID="PicturesDataSource" Height="50px" Width="125px"
AutoGenerateRows="False" CellPadding="4" DataKeyNames="PictureID"
DefaultMode="Insert" ForeColor="#333333" GridLines="None">
<AlternatingRowStyle BackColor="White" />
<CommandRowStyle BackColor="#D1DDF1" Font-Bold="True" />
<EditRowStyle BackColor="#2461BF" />
<FieldHeaderStyle BackColor="#DEE8F5" Font-Bold="True" />
<Fields>
<asp:TemplateField HeaderText="Picture">
<InsertItemTemplate>
<asp:FileUpload ID="imageUpload" runat="server" />
<asp:RequiredFieldValidator ID="RequiredFieldValidator3" runat="server"
ControlToValidate="imageUpload" Display="Dynamic"
ErrorMessage="There was no file selected" ValidationGroup="PictureAdd"></asp:RequiredFieldValidator>
</InsertItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Category" SortExpression="CategoryID">
<EditItemTemplate>
<asp:TextBox ID="TextBox1" runat="server" Text='<%# Bind("CategoryID") %>'></asp:TextBox>
</EditItemTemplate>
<InsertItemTemplate>
<asp:DropDownList ID="pictureCategory" DataSourceID="categoriesDataSource"
runat="server" DataTextField="Name" DataValueField="CategoryID"
SelectedValue='<%# Bind("CategoryID") %>'
Visible='<%# Bind("CategoryID") %>' AppendDataBoundItems="True">
<asp:ListItem Selected="True" Value="">-- Select Category --</asp:ListItem>
</asp:DropDownList>
</InsertItemTemplate>
<ItemTemplate>
<asp:Label ID="Label1" runat="server" Text='<%# Bind("CategoryID") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Title" SortExpression="Title">
<EditItemTemplate>
<asp:TextBox ID="TextBox2" runat="server" Text='<%# Bind("Title") %>'></asp:TextBox>
</EditItemTemplate>
<InsertItemTemplate>
<asp:TextBox ID="TextBox1" runat="server" Text='<%# Bind("Title") %>'></asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server"
ControlToValidate="TextBox1" Display="Dynamic"
ErrorMessage="you must provide a name for the title"
ValidationGroup="PictureAdd"></asp:RequiredFieldValidator>
</InsertItemTemplate>
<ItemTemplate>
<asp:Label ID="Label2" runat="server" Text='<%# Bind("Title") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Description" SortExpression="Description">
<EditItemTemplate>
<asp:TextBox ID="TextBox3" runat="server" Text='<%# Bind("Description") %>'></asp:TextBox>
</EditItemTemplate>
<InsertItemTemplate>
<asp:TextBox ID="TextBox2" runat="server" Text='<%# Bind("Description") %>'

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Trying To Set Selected Value On A Dropdown List

Nov 17, 2008

I'm trying to set the selected value of a dropdown list, but it just doesn't seem to work. I've gone so far as to display a label next to the dropdown list to make sure my query is working properly. What am I missing? My code is below...

asp.net page where I set the sqldatasource, dropdown list, and my temporary "label"

[Code]....

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Getting Selected Value From A Dropdown List

Jan 22, 2009

im using a dropdown list in a gridview. the list is databound to a table. im trying to retreive the selected value in the click event of a button, but i always get the first value. i have visited many forums but couldnt get anything.

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Dropdown List Selected Value?

Nov 23, 2010

In my application iam having two dropdownlist .i bind the the database to dropdownlist using c# with asp.net but i store the datavaluefeild(id).similar way i fallow for another ddl also. My Aim is while selected index change event of first ddl i have show the corresponding text of second ddl in front end....both the textbox i store the selected value in database

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How To Get The Value Selected From Dropdown Instead Of 1st Value In List

May 21, 2009

I have a simple vb.net page. On it is a dynamic dropdown list. And when the user clicks the continue button, I want to grab the value they selected in the drop down, however my code below doesn't grab the value they select, it always grabs the first value from the drop down list. what am I doing wrong? I want to set the value of a hidden field (hdnMatterID) equal to the value selected in the ddInProgress Matters drop down list.

Protected Sub btnContinueInProgressMatters_Click(ByVal
sender As
Object,
ByVal e
As System.EventArgs)
Handles btnContinueInProgressMatters.Click
hdnMatterID.Value = ddInProgressMatters.SelectedValue
End
Sub

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MVC :: How To Set The Default Selected Value For A Dropdown List

Aug 31, 2010

how i can set the default selected value for a dropdown list. My actual code is:

[Code]....

the GetAvatars() function return a List<MyObject> that contains the avatars informations such as filename and file url. I don't know if i this is correct, anyway i want to display a selectbox that shows the list of the avatars in a folder with a predefinited avatar selected and i would like to show an image near the selectbox with the current selected avatar. How can i do it? I don't find any way to set the default value

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MVC :: DropDown List Selected Property Not Set?

Mar 9, 2010

I have a main "index" view that has a drop down and a submit button. When a selection is made (CampaignId) and a submit button is pressed a list of items is displayed and filtered based on the selection from the drop down list.

I've added a partial view (on the right rail) of my site that lists a bunch of campaigns. when a link is pressed in that partial view a (CampaignId) is passed to my page and the same thing happends as if you would make a selection from the drop down. The issue is that the dropdown "Campaign Name" should be selected based on the selection from the partial view.

[code]....

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How To Specify The Selected Option To A Dropdown List MVC

Apr 14, 2010

I have a list of options (IEnumerable< SelectListItem >) in my model that I want to use in multiple dropdowns in my view. But each of these dropdowns could have a different selected option.

Is there an easy way to simply specfiy which should be selected if using the Html.DropDownList helper?

At this point, the only way I can see is to generate the html myself and loop through the list of options like so:

[code]....

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MVC :: Dropdown List Selected Item Asp.2

Jul 24, 2010

After validation dropdown list do not select previous value.

<%: Html.DropDownList("Country",(SelectList)ViewData["Country"],"") %>

However in Quick View there is correct selected value. :(

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Selected Value From A Dropdown List Not Displayed?

May 8, 2009

i have a dropdown list which has three options. The "select" option is displayed by default.

None of the other options work when clicked.

this is the code that i use in vb:

If DropDownListSelect.Text =
"--Select--"
Then
LabelError.Text = "Select an option to continue."
ElseIf DropDownListSelect.SelectedItem.Value.Trim =
"Associate Inventory to PAC"
Then
GridViewConfigure.DataSource = tblAdinvtopac.GetData()
GridViewConfigure.DataBind()
'ElseIf DropDownListSelect.SelectedItem.Value.Trim = "Bench to Bench" Then
'ElseIf DropDownListSelect.SelectedItem.Selected = "Associate Bench to PAC" Then
' MsgBox("1")
End
If

The page displays the select option by default. even when some other option is selected in the DropDown list , there is no change in the page.

The grid that i am trying to display in one of the selected options of the dropdown list is displayed otherwise.

i cant understand why the grid never shows up when i select the corresponding option in the dropdown list.

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