insert unique data in table

Question

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SQL-Server-2008R2

SQL

cmd.CommandText = "insert into " + table + " values ('" + textBox1.Text + "', '" + textBox2.Text + "') where not exists(select * from " + table + " where character='" + textBox1.Text + "' and entity='" + textBox2.Text + "');";

i want to insert unique data in my table and i'm getting error in this query (Incorrect syntax near where)...

Posted 2-Jun-14 22:06pm

ShobuGpta

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2 solutions

Solution 1

T-SQL does not allow for a where clause in that place. See here: http://msdn.microsoft.com/de-de/library/ms174335.aspx[^]

Cheers!

Posted 2-Jun-14 22:13pm

Manfred Rudolf Bihy

Comments

ShobuGpta 3-Jun-14 4:17am

I dint get it

ShobuGpta 3-Jun-14 4:27am

i checked the NOT EXISTS condition first and it's working

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Bh@gyesh · Accepted Answer · 2014-06-03T00:44:00

Solution 2

Hi,

Try following query.

C#

cmd.CommandText = "if not exists (select * from " + table + " where character='" + textBox1.Text + "' and entity='" + textBox2.Text + "') insert into " + table + " values ('" + textBox1.Text + "', '" + textBox2.Text + "') where not exists";

Thanks,
Bhagyesh

Posted 3-Jun-14 0:44am

Bh@gyesh

Comments

ShobuGpta 3-Jun-14 7:30am

yeah thnx...