I have a problem in c# i want suppose i have 3 coloum in sql
1-date
2-name
3-duty center
Now we want when we insert the value like(01/05/2013,Amit,Dehradun) then second record when we insert like (01\05\2013,jai,Dehradun)in this program we want Dehradun do not come in same date for another user because 01\05\2013 also provide mr.amit please send the propercode in c#
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