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date time a sql query

Member 8584763 asked:

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I've c# app, I'm comparing in query between dates ,it doesn't recognize the comparison .The error is
An expression of non-boolean type specified in a context where a condition is expected, near '10/31/2012 09:00:00 م'.
Here's my code

            string x=textBox1.Text;
            string y=textBox1.Text;
            DateTime fro=Convert.ToDateTime (x);
            DateTime to=Convert.ToDateTime (y);
            SqlConnection con = new SqlConnection(@"Data Source=.\Ahmed;Initial Catalog=Market;Integrated Security=True");
            cmd=new SqlCommand ( "SELECT dat , product_id FROM  market where dat >= '" + fro + "' and '"+to+"' ",con);
            dr = cmd.ExecuteReader();
            DataSet sd = new DataSet(); ;
            while (dr.Read())
                DateTime d = (DateTime)dr["dat"];
                if (d >= fro && d <= to)

How to send the result of datareader to dataset?
Tags: C#


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