how to add table name in select statement.

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Hi friends

I want to use select statement like this sql = "select * from ['" + table_name + "']";

I am using access 2003 mdb database and provider "Microsoft.Jet.OLEDB.4.0" it is not execute
Dynamic Sql

Suggest Me what should I Do.

Here is my code

C#

string table_name = "", sql="";
            table_name = comboBox1.Text;
            sql = "select * from  ['" + table_name + "']";
            //sql = "Select * from shriya.sysobjects where name=['" + table_name + "']";
            con2.Open();
            Daaccount = new OleDbDataAdapter(sql, con2);
            Daaccount.Fill(Dsaccount);
            dataGridView1.DataSource = Dsaccount.Tables[0];
            con2.Close();

Posted 28-Feb-15 3:41am

Asif 7969814

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OriginalGriff · Accepted Answer · 2015-02-28T03:49:00

You can do it, but you really, really shouldn't: it is extremely dangerous. Do not concatenate strings to build a SQL command. It leaves you wide open to accidental or deliberate SQL Injection attack which can destroy your entire database. Use Parametrized queries instead - except you can't for a table name, because SQL won't let it be a variable.

I wouldn't do it myself (I value my data, and don't want my users destroying it) but if you absolutely must, all you have to do is remove the single quotes:

C#

sql = "select * from  [" + table_name + "]";