Hello,
I am creating a query for multiple tables so i can upload directly data to those table from website, the data maybe is big so i am using SqlBulk query. The import is working fine and is working as it should do ! But the problem is i have other tables
in which 1 Field is unique that is kind of Roll Number. So i want someone to let me know how to modify my code accoridngly so it remove the previous duplicate entry from the database and import new entries to them that is being uploaded from
Database or It should remove the new entry trying to be imported for the same roll number that already exist in the db.
What and how i can achieve, please guide !
Here is my Aspx Frontend Code:
<body>
<form id="form1" runat="server">
<div>
<table style="height: 88px; width: 429px"> ...
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