Hi,
I have a form where user inputs his records, I want that whenever user inputs his data. I want to first make a check whether the particular records is their in the table or not. If it exists it should not allow to input the data.
Please see my form and code behind for your ref, what should I add to check whether the records exists or not?
Aspx Code:-
<table>
<tr>
<td style="vertical-align: top;">
<label class="control-label" for="name">First Name</label></td>
<td>
<div class="control-group">
<div class="controls">
...
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