c sharp

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    Question Invalid Attempt To Call Metadata When Reader Is Closed

    I get an error " INVALID ATTEMPT TO READ METADATA WHEN READER IS CLOSED" when i run my program. Plz help me solve this problem. Below is my Code. Private Sub cmbstudentid_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles...
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