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updating data after printing it in DB

Member 9702410 asked:

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i want to update data after printing it .
for example if admin enter :

previous account=30
added account=40
total account=70

the result will be stored in DB(total account=70) and also will be printed in gridview

but actually after printing ,i want to update previous account=70
how can i do this

SqlConnection con = new SqlConnection(@"");
            SqlCommand command = new SqlCommand();
            command.Connection = con;
            command.CommandText = "update customer set   jj=@a where jj=@d";
                int i = command.ExecuteNonQuery();
                if (i > 0)

            catch(Exception ex)
Tags: C#


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