How To Create An Array Of Values From A Dropdown List

Mar 3, 2010

How do I create an array of values from a drop down list?

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Forms Data Controls :: Create A Dropdown List That Concatenates Two Values In The Display Field?

Feb 10, 2010

I have a table that has 3 fields (Individual-Id, LastName, and FirstName). I want to create a drop down table that displays both the FirstName and the LastName (example: Smith, John). The field Individual-Id is the 'value' field.

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Add Values To Array and Replace Preexisting Array Items With New Values without The Array Changing Size?

Aug 19, 2010

I need to know what would be the best choice of array to use given the following specifications. This array's size will be predermined upon the loading of the appication. All I want to do is be able to add values to this array and replace preexisting array items with new values without the array changing size. Someone suggested that I use a Dictionary Array Object? I would appreciate any suggestions.

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Web Forms :: Binding An Array To Dropdown List?

Aug 21, 2010

I have the following string which is a list of urls. How do I get this to work so the url shows for the selection and also is the value?

[Code]....

ArgumentNullException: Value cannot be null.
Parameter name: container]
System.Web.UI.DataBinder.GetPropertyValue(Object container, String propName) +121
System.Web.UI.DataBinder.GetPropertyValue(Object container, String propName, String format) +8
System

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Web Forms :: DropDown List Not Retaining The Values(the DropDown Inside Gridview Control)?

Jun 12, 2010

I Have the gridview control with 2 dropdown list and 2 text boxes,When the textbox chnaged event happen 1 row will create and the dropdown back to initial values( its not retaining the selected values),I am binding the control after text changed method,Is there any properties needs to be set or any other way we can retain the values in postbacks?

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JQuery :: Get Unique Values From Array List?

Feb 21, 2011

I am geting a json value with multiple stateid amd more statid are multiple,but I want stateid only unique(distinct) in jquery array.

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Mutli Dimensional Array List - Values In Dataset

Jul 6, 2010

I have this data:

5-16-2010, 5
5-16-2010, 3
5-16-2010, 2
5-16-2010, 4
5-15-2010, 2
5-15-2010, 5
5-15-2010, 1
5-14-2010, 3
5-14-2010, 5

I want to group by the date, these values are now in a dataset. What comes up to my mind is an array list with the following: The master array would have each date listed on the dataset above, within each row of this array I would have the list of numbers for that specific date. How do I do that in VB.NET?

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Web Forms :: To Create A 2 Dimension Array And Then Pull Values From It?

Jan 19, 2011

I have scanned the web, and see things but nothing clear to me.

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Dates Values In A Dropdown List Box

Apr 8, 2010

I have 3 drop down list boxes - One for month, day and year. I'm trying to get the value of what the user selects on those drop down list boxes. I have dynamically populated my drop down list boxes and I'm trying to output the end value on a label

private int month;
private int day;
private int year;
protected void Page_Load(object sender, EventArgs e)
{
for (month = 0; month <= 12; month++)
{
DropDownList2.Items.Add(month.ToString());
}
for (day = 0; day <= 31; day++)
{
DropDownList3.Items.Add(day.ToString());
}
for (year = DateTime.Now.Year; year <= DateTime.Now.Year + 75; year++)
{
DropDownList4.Items.Add(year.ToString());
}
}
protected void Button4_Click(object sender, EventArgs e)
{
month = ?
day = ?
year = ?
Label7.Text = month + "/" + day + "/" + year;

The problem right now is I can't figure out how to actually retrieve the value the user uses

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C# - Add Dropdown List Values By Enum?

Mar 22, 2011

I want to add the below values from Enum to drop down list

<option value="0">-- Select --</option>
<option value="AC">Active</option>
<option value="IN">InActive</option>
<option value="PC">Pending Closure</option>

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MVC :: Bind An Enum Values To A Dropdown List

Apr 26, 2010

I would like someone to explain how I can pass a drop down list from the presentation layer to the controller using the Model View Controller Design Pattern from Microsoft in order to bind enum values to it?

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Dropdown List Won't Populate Values From Database?

Oct 4, 2010

I'm stuck with a problem to populate a DropDownList control with values from the database using item field template in read only mode. since I'm new to ASP.NET. Below is the code and the error I'm getting:

'PictureReadOnlyCategories' has a SelectedValue which is invalid because it does not exist in the list of items. Parameter name: value Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.ArgumentOutOfRangeException: 'PictureReadOnlyCategories' has a SelectedValue which is invalid because it does not exist in the list of items. Parameter name: value

The code for this is :

<asp:SqlDataSource ID="categoriesDataSource" runat="server"
ConnectionString="<%$ ConnectionStrings:ConnectionString %>"
SelectCommand ="SELECT [CategoryID], [Name] FROM [Categories] WHERE ([UserId] = @UserId)">
<SelectParameters>

[Code]....

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Web Forms :: Record DropDown List Values As ID To The Database

Nov 11, 2010

i am using a list view to view, insert, update and delete my data for the admin page this admin page made for the news and we have categories for that so i need to use a drop down list for these categories and when the admin choose on of these categories records its value as an ID to the database.

[Code]....

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MVC :: Passing The Selected Dropdown List Values To Another Page?

Jul 9, 2010

I have googled a lot to find any solution to pass the selected dropdownlist item to another page.

In my controller view, I have a got list of of items:

List<SelectListItem> PackagingService = new List<SelectListItem>();

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Dropdown List Wont Populate Values From Sql Database?

Oct 6, 2010

I have an application as: SelectCommand="SELECT [CategoryID], [Name], [UserId] FROM [Categories] WHERE ([UserId] = @UserId) ORDER BY [Name]">

</asp:SqlDataSource>
Pick a category: <asp:DropDownList ID="categories" runat="server" AutoPostBack="True"
DataSourceID="categoriesDataSource" DataTextField="Name" [code]...

When i take away the <SelectParameters>

<asp:QueryStringParameter Name="CategoryID" QueryStringField="ID" />
</SelectParameters> and ([UserId] = @UserId), the dropdown list control will populate values from the database but when i live those 2, it won't populate any value from the database. When i remove the <asp:QueryStringParameter Name="CategoryID" QueryStringField="ID" />
</SelectParameters>,and live ([UserId] = @UserId), i get the error : Must declare the scalar variable "@UserId".

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ADO.NET :: Fetching Only Distinct Values Of Particular Column To Assign To Dropdown List?

Nov 19, 2010

As I kept my fetched datatables into session and accessing it on another page there I am

wroking on datatable to fetch only distinct values of particular column to assign to dropdown list.

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Bind Datafield To Dropdown List With Hard Coded Values?

Jan 19, 2010

I have a dropdown list with hard coded values:

<asp:ListItem Text="One Day Shoots" Value="1" />
<asp:ListItem Text="Multi-day Shoots" Value="2" />

I want to use this to insert and edit values from a db. For example when adding a record the user selects 'One Day Shoots' and 1 gets inserted into the database. Then if the user goes to edit the page since the value in the db is 1 then the 'One Day Shoots' is selected.

One way I considered accomplishing this was by using a hidden feild - when the user selects something in the dropdown list the field is updated with the value, then when the user actually adds the record the value in the feild is submitted. I'm pretty sure this would work but is there a better way?

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Forms Data Controls :: Getting The Selected Values From A Dropdown List

Jan 25, 2011

I have created a dynamic dropdownlist. I need to get the selected values from the dynamic list and store it my sql database.

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Forms Data Controls :: How To Get The Foreign Key Values In DropDown List

Jun 12, 2010

I'm using objectDataSource and Formview. Currently I'm using a Text-Box to put the CategoryID.

I want to display the Category-Name instead of Category ID in Drop Down list.

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Web Forms :: How To Get A Default Value From Dropdown List That Contains Values From A SQL Select Statement

Sep 27, 2010

I want to have a default value/item of "---Select One---" and then list all of the values from the SQL statement. Currently I am having trouble doing this. I tried to add it to the List Item but it doesn't show on the page.

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Forms Data Controls :: Getting Dropdown List Values In Codebehind (c#)?

Jan 18, 2011

in my proj i have a grid view which consists of name and droppown list as shown below:

<asp:GridView ID="gvJobs" runat="server" AllowPaging="true" AllowSorting="true" AutoGenerateColumns="False" OnRowDataBound="gvJob_RowDataBound" OnRowCommand="gvJobs_RowCommand" >
<Columns>
<asp:TemplateField HeaderText="Jobs" SortExpression="name" HeaderStyle-HorizontalAlign="Left">

[Code]....

when i click the dropdown list it is postbacking(since i made auto postback=true). on that time i am unable to get the selected value from dropdown list.

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Forms Data Controls :: How To Get The Textbox And Dropdown List Values In To Gridview

Jul 16, 2010

i have 4 text boxes and 2 dropdowns are there when ever i fill it all values should place in grid view., after entering of 5 or 6 records, i click on SAVE button then ,i want to save those values in to Data Base ,which are at Grid view.....

Example:

[code]...

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Forms Data Controls :: Display Two SQL Column Values In One Dropdown List

Apr 16, 2010

Is it possible to display two column values from a SQL database in to one DDL? I have been trying to write a SQL query, where in I select two fields to be displayed in the DDL but when I run the application it only displays one. Not sure why. Here is my code below:

<asp:DropDownList ID="DropDownList8" runat="server"
DataTextField="LATA"
DataValueField="LATA"
onselectedindexchanged="DropDownList8_SelectedIndexChanged"
DataSourceID="SqlDataSource1">
</asp:DropDownList>
<asp:SqlDataSource ID="SqlDataSource1" runat="server"
ConnectionString="<%&#36; ConnectionStrings:Inventory_DBConnectionString %>"
SelectCommand="SELECT DISTINCT [LATA], [LATA Name] AS LATA_Name FROM [CA] WHERE ([SWITCH ID] = @SWITCH_ID)">
<SelectParameters>
<asp:QueryStringParameter Name="SWITCH_ID" QueryStringField="ddl1"
Type="String" />
</SelectParameters>
</asp:SqlDataSource>

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State Management :: Retaining The Dropdown List Values Moving From One Page To Another

Mar 27, 2010

I have four dropdowns in the first page and then a button which saves the selected values from the dropdown to a session state .

In the second page I do have previous button which comes to the first page. My problem is that the dropdown values are not getting preserved.

Here is my code for the First page

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using MyBusinessLayer;
using MyDataLAyer;

[Code]......

The problem is that I get the error object instance not set to an instance of an object

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Forms Data Controls :: Unique Values In Dropdown List At Runtime?

Oct 4, 2010

In given code finally I want to populate unique values at runtime in 2 drop downlist.

protected void Page_Load(object sender, EventArgs e)
{
vidDocument.Load(Server.MapPath("~/CurrentStatus.xml"));
HttpContext.Current.Response.Cache.SetCacheability(HttpCacheability.NoCache);
Response.ExpiresAbsolute = DateTime.Now.AddMonths(-1);

[Code]....

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