Dropdownlist - ASP.NET

André Almeida Maldonado

Hy Guys,

I'm receiving this error and I don't know why...

A DropDownList cannot have multiple items selected.

What can I do??????????

Thank's

Nov 18 '05 #1

Subscribe Reply

2180

Kevin Spencer

You have 2 choices:

1. Don't allow multiple selections in your DropDownList Control.
2. Use a ListBox Control instead, which allows multiple selections.

--
HTH,
Kevin Spencer
..Net Developer
Microsoft MVP
Big things are made up
of lots of little things.

"André Almeida Maldonado" <de***@bol.com.br> wrote in message
news:#W**************@TK2MSFTNGP09.phx.gbl...

Hy Guys,

I'm receiving this error and I don't know why...

A DropDownList cannot have multiple items selected.

What can I do??????????

Thank's

Nov 18 '05 #2

Michelle Stone

use a listbox where you can do multiple-selection

Regads,

Michelle

-----Original Message-----
Hy Guys,

I'm receiving this error and I don't know why...

A DropDownList cannot have multiple items selected.

What can I do??????????

Thank's
.

Nov 18 '05 #3

Tu-Thach

This is because you have more than one item selected.
Check your code and make sure that you only set one item
selected.

Tu-Thach

-----Original Message-----
Hy Guys,

I'm receiving this error and I don't know why...

A DropDownList cannot have multiple items selected.

What can I do??????????

Thank's
.

Nov 18 '05 #4

Similar topics

2760

How do you load a dropdownlist when edit is clicked in a datagrid

by: Stanley J Mroczek | last post by:

How do you load a dropdownlist when edit is clicked in a datagrid ? <Columns> <asp:BoundColumn DataField="OptionDescription" ItemStyle-Wrap="True" HeaderText="Option...

.NET Framework

5449

Dynamically adding DropDownList - if I set ID also, I lose PostBack EventHandler

by: DotNetJunky | last post by:

I have built a control that runs an on-line help system. Depending on the category you selected via dropdownlist, it goes out and gets the child subcategories, and if there are any, adds a new...

C# / C Sharp

16975

Catching an SelectedIndexChanged event from a DropDownList inside a DataGrid

by: Dominic | last post by:

Hi guys, I'm not sure if this question belongs to FAQ, but I couldn't find a concrete answer. I created a Datagrid control using ItemTemplate, but it's NOT a in-place editing datagrid. One of...

ASP.NET

2375

Dependent DropDownList in DataGrid

by: Shiju Poyilil | last post by:

Hello, I have a datagrid with only one row and its having 2 dropdownlists, I need to populate the secodn dropdownlist on the basis of the selection in the first dropdown. but I am not able to...

ASP.NET

5284

How to find all DropDownList Controls on a page

by: Sacha Korell | last post by:

I'm trying to load a drop-down list with all DropDownList control names from another page. How would I be able to find those DropDownList controls? The FindControl method will only find a...

ASP.NET

3075

Adding dummy item to DropDownList in a DataGrid

by: glenn | last post by:

Hi folks, I have a DropDownList in a DataGrid that is populated from records in a database. I want to add a value that might be a string such as "Select a Company" for the first item since an...

ASP.NET

4637

Create Dynamic Dropdownlist Controls and related event - ASP.NET

by: MaryamSh | last post by:

Hi, I am creating a Dynamic Search in my application. I create a user control and in Page_load event I create a dynamic dropdownlist and 2 dynamic button (Add,Remove) By pressing Add button...

.NET Framework

3466

Create Dynamic Dropdownlist Controls and related event

by: MaryamSh | last post by:

Create Dynamic Dropdownlist Controls and related event -------------------------------------------------------------------------------- Hi, I am creating a Dynamic Search in my application. I...

.NET Framework

4908

DropDownList has SelectedValue which in invalid

by: Brett | last post by:

I have a DropDownList in an ASP.NET web form that is populated with items from a lookup table by binding that DropDownList to a SqlDataSource. However, the items in the lookup table can change over...

ASP.NET

1917

value from dropdownlist to txtbox when you enterd a sign in txtbox

by: asmx126453 | last post by:

Hey mensen I am having some big troubles here i tryd solving it myself with internet for 2 days but i kind fix it. Its about this i have a DotNet project that alrydi is online and working for...

.NET Framework

7203

What is ONU?

by: marktang | last post by:

ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However,...

General

7281

Problem With Comparison Operator <=> in G++

by: Oralloy | last post by:

Hello folks, I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>". The problem is that using the GNU compilers,...

C / C++

7334

Maximizing Business Potential: The Nexus of Website Design and Digital Marketing

by: jinu1996 | last post by:

In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven...

Online Marketing

6993

The easy way to turn off automatic updates for Windows 10/11

by: Hystou | last post by:

Overview: Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows...

Windows Server

5579

AI Job Threat for Devs

by: agi2029 | last post by:

Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing,...

Career Advice

5014

Access Europe - Using VBA to create a class based on a table - Wed 1 May

by: isladogs | last post by:

The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM). In this session, we are pleased to welcome a new...

Microsoft Access / VBA

4675

Couldn’t get equations in html when convert word .docx file to html file in C#.

by: conductexam | last post by:

I have .net C# application in which I am extracting data from word file and save it in database particularly. To store word all data as it is I am converting the whole word file firstly in HTML and...

C# / C Sharp

737

How to add payments to a PHP MySQL app.

by: muto222 | last post by:

How can i add a mobile payment intergratation into php mysql website.

PHP

383

Comprehensive Guide to Website Development in Toronto: Expert Insights from BSMN Consultancy

by: bsmnconsultancy | last post by:

In today's digital era, a well-designed website is crucial for businesses looking to succeed. Whether you're a small business owner or a large corporation in Toronto, having a strong online presence...

General