How to stop duplicated records

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SQL-Server-2005

I am making a event management system....
I want only 3 events can be booked per day not more than 3
I do not know how to do this
any help will be appreciated

Posted 23-Nov-12 3:02am

fahad hassan 2050

Updated 23-Nov-12 3:03am

fjdiewornncalwe

v2

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[no name] 23-Nov-12 9:06am

string str="";

foreach(DataRow dr in dataTable.Rows)
{
if(dr.count>3)
{
str = "Enough Records are there for today..";
}
}

return str;

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fjdiewornncalwe · Accepted Answer · 2012-11-23T03:04:00

Solution 1

Before you insert a new record, run a query against your table where you store the events and count how many already exist. If there are already 3, then simply don't allow a user to continue adding new records.

Posted 23-Nov-12 3:04am

fjdiewornncalwe