asp .net dropdown list check

I have a dropdown list and would like to know in the code behind if any item is selected from this dropdown list. If nothing is selected, I will be using a database value. How do I check that? Thanks,

c#, asp.net
rajeevcsAsked:
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sijishJohnCommented:
try this..

if (DropDownList1.SelectedItem == null)
{

}
0

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dhiraj79Commented:
Add First Item as --Select-- in drop down list of Items by using edit Item  

Now check for
if (DropDownList1.SelectedValue == "--Select--")
{
 // Means nothing is selected.
}
else
{
//Something is selected.
}
0
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