Karthikeyan

• Jul 21st, 2006

 

Use Custom Validator by specifying

if (DropDownList1.SelectedIndex>-1)

{

}

ghanshyam

• Sep 8th, 2006

 

use requiredfieldvalidator and set the initial value property of validator to the zero'th value of the dropdownlist if which zero'th item contains "---select---"

Rupesh Tiwary

• Dec 23rd, 2006

 

RequiredField validation control is one best option for it..

riteshop_modi

 Profile Answers by riteshop_modi 

• Feb 10th, 2007

 

The best control to validate Dropdown Selection is range validator.In range validator just assign upper and lower limit and the type of value.

samiksc

 Profile Answers by samiksc 

• Jul 17th, 2007

 

Use RequiredFieldValidator control. Set its 'InitialValue' property to something like 'Select an item'.
This control will ensure that the user has to change the value from InitialValue to another value.
If InitialValue is not set the dropdown list will be initially empty. It is not mandatory to set InitialValue property