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i can create one dropdownlist. I click one item how can i retrieve the selected item datatable.

my DropDownList Item is


For example,
I select DropDownList item Course, display the output course details retrieve from course DataTable.

i have already course DataTable.

how to do i refer the source code please send related link or tutorials
Varun Sareen 21-Feb-12 23:25pm
not clear. post some code
Mahmud Hasan 21-Feb-12 23:29pm
I am not fully clear what you exactly want to know. Can you please re-phrase your problem possibly with some example?

You can bind a datatable to a dropdownlist.
You can use this link[^] to help you out.
postback property of dropdown list set true
on selectedindexchange event use drop down list selected value
pass it your datatable field filter datatable and populate
second drop down list

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