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how can i prevent duplicate record in session in c#
Sandeep Mewara 29-Sep-10 2:59am    
Casn you add more to your question about what you mean by 'duplicate record in session'?

Can you explain bit more about your query..

if (Session["sessionname"] == null) { not exist; } else { exist; }

This what you looking for or something else?

more about sessions refer link:[^]

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Session itself stores objects,
if you don't want to have duplicate value in the object (e.g datatable) then check the record before inserting to them,

For better understanding look at the award winning article of abhijit jana.

Exploring Session in ASP.Net[^]

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