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hi i am using 2 dropdowns in that 1st dropdown contains some values..i am binding through database..
in that 1st dropdown contains 10th
2nd pu

2nd dropdown contains 10th
2nd pu

if i am selecting 10th from 1 drodown it should be removed from 2nd dropdown(oly 10th) like so on
can anyone help regarding this issue


If you're writing a desktop app ( which is what C# 3.0 means ), then you just go through the collection of options in your drop list, and remove it. If you're not, then you could use jquery if it's a web app, and also, tag your question properly and make it clear, next time.
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if a desktop app can background processing ,if a web can use js or jquery script.
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