Answer / rajesh

make sure that dropdownlist is there in the webform

Answer / sujit biswas

if (!IsPostBack)
{
ArrayList books=new ArrayList();
books.Add("gone with the wind");
books.Add("rahulsriramprakash");
books.Add("vishal");
dropdowndisplay.DataSource = books;
dropdowndisplay.DataBind();
}

Answer / vyas pyk

though u have the control in the web form some times is
shows like that onle,
the solutions is u better delete the control and add it
again u will get it

Answer / rahul

Even i tried with that even it's saying the same error.

Answer / tarun

instead of arrayList use HashTable

and create one bindingsourse

BindingSource bs=new BindingSource();

HashTable hs=new HashTable();
hs.Add("Value","Key");

bs.dataSource=hs;

dropdowndisplya.datasource=bs;
dropdowndisplay.databind();

What is difference between user control and custom control?

1 Answers   TVS,

Can a master page have more than one contentplaceholder?

0 Answers  

How does output caching work in ASP.NET?

0 Answers  

how can you handle "control is not part of this page " error?

3 Answers   FactorH,

I am trying to implement sorting facility from client side code in GridView Control. So how can I fill up an Array inside client side code (using JavaScript), i want to assign my DataSet object declared and filled up on Server side(in code behind) to the array (on client side)

0 Answers   HCL,

Can we use MSSql as backend in asp.net...if yes then How.?

0 Answers   MCN Solutions,

what is the difference between response.write() and response.output.write()?

0 Answers  

What is cross page posting? How is it done?

0 Answers  

Name two properties common in every validation control?

1 Answers  

If i have 1000 records in dataset, how to do paging?

2 Answers   Mind Tree,

What are the types of session in asp.net?

0 Answers  

Which method is used to force all the validation controls to run?

0 Answers